The discharge valve, the method of controlling flow through such valve and flush tank with the use of such a valve

 

(57) Abstract:

The invention relates to the construction. In the present invention discloses a valve which uses the imbalance generated by the flow of the pressure to maintain the valve in open or closed state. The valve has an internal cavity 15, in which there are arranged opposite each other coaxial input channel 12 and the output channel 14. Inside the cavity posted by localizeable body 16, fastened to a rod 17 mounted with the possibility of reciprocating motion, and this rod passes through an outlet channel. The offset body increases the flow area from one end of the body and reduces the cross-sectional area of flow at the other end of the body. According to theory of Bernoulli thus change the pressure acting on the body 16, leading to the formation acting on the body of the resulting force. Also opens the inlet valve flush tank and himself flush tank. Increased reliability. Reduced noise level. 3 C. and 15 C.p. f-crystals, 13 ill.

The present invention relates to injection and unloaded hydraulic valve, which is used in particular as an inlet valve in tank ogranichivaetsya data of a particular case. The invention also relates to inlet valves for flushing cisterns and flush each jaw-whisker.

Valves for flush tanks in the preceding technical level can be divided into two large groups. The first group includes a manual lever valves having a valve seat with a circular hole in it and drive, which is actuated by the float arm to open or close the circular hole. A float attached to a lever that creates a buoyancy force, which increases due to the gear ratio provided by the length of the lever arm. This design is relatively simple, very reliable and used for many years.

Recently, however, the average width of the flush tank has decreased due to the reduction of the amount of water used for flushing toilets. Because require smaller volumes of water were also performed corresponding size reduction flush tanks that contain water for flushing. As a consequence, in such tanks you can now use the length of the float arm, which was used before. This has reduced the closing force of the above-mentioned mechanical inlet valve. This makes the type cleanrest such trends, in the flush tank is increasingly applied hydraulic inlet valves. In the hydraulic intake valve is used, the input pressure to ensure closure of the valve by the application of pressure equal to the pressure at the entrance to the relatively large opposite surfaces of the valve element, that is, the resulting clamping force. However, the hydraulic inlet valves have several disadvantages. One drawback is that in case of failure of one of the elements of the valve hydraulic valve always fails in the open state. That is, the output valve of the system leads to the fact that the water flow cannot be stopped. Because the consequence will be flooded bathroom and a significant loss of water, it is much preferable to such a construction, in which the valve, even if it fails, will stop working, being closed. Then the consequence of failure would be the impossibility of obtaining any water flow.

As for the inlet valves of flush tanks, in addition to closing upon failure, another desirable property is quiet operation. Traditionally inlet valves when they were istochnikovedenie execution of the flush-water tank next portion of water for flushing takes considerable time, the noise created by the inlet valve has a place in the period of filling of the flush tank. This noise is generated by cavitation, turbulence and noise free water surface (the latter arise due to the presence of boundary surfaces water-air-water). It is possible to achieve significant advantages in the market, if you can perform the inlet valve flush tank noiseless during operation.

The present invention is the result of research made with a view to the eventual elimination of the above mentioned disadvantages and at least partially implementing the above-described advantages. Accordingly, the aim of the present invention to provide an improved valve.

According to the first aspect of the present invention is disclosed injection and the counterbalance valve flow, comprising a valve body having inlet channel leading into the inner cavity, and an outlet channel leading from it, and these input and output channels are mainly located opposite each other, and, as a rule, localizeable the valve body is located inside this cavity and installed with offset to the specified output channel and from him, and the specified output channel specified by the valve body, characterized in that the inner surface of the specified cavity and the outer surface of the specified valve body are of the form and positioned to reduce the cross-sectional area available for flow in the direction of the specified output channel and between the said valve body and cavity, and simultaneously to increase the cross-sectional area available for flow from the specified input channel and between the said valve body and a cavity when the specified valve body is shifted to the specified output channel, and Vice versa, when the specified valve body is displaced from the specified output channel to thereby change the balance generated by the flow rate of the pressure, operating on the specified valve body.

Preferably, if localizeable the valve body is an Ovoid (egg-shaped body), ellipsoid or ovaloid Rankin (Rankine ovuloid).

In accordance with the second aspect of the present invention is disclosed a method of controlling the flow through the discharge and the counterbalance valve flow, comprising a housing, which has an input channel, leading into the internal cavity, and an outlet channel leading from it, and these input and output channels of raspolagal cavity, moreover, the method includes operations: displacement of the valve body from the outlet channel to increase the cross-sectional area available for flow between the valve body and the cavity next to the output channel, and to simultaneously decrease the cross-sectional area available for flow between the valve body and the cavity next to the input channel, in order thereby to the valve body have been applied, the resulting pressure force generated by the flow, thus ensuring the continued displacement of the valve body from the outlet channel and the opening, and the displacement of the valve body in the direction of the output channel to reduce the cross-sectional area, available for flow between the valve body and the cavity next to the output channel, and to increase the cross-sectional area available for flow between the valve body and the cavity next to the input channel, in order thereby to the valve body has been applied, the resulting pressure force generated by the flow, thus ensuring the continued displacement of the valve body to the outlet channel and a valve overlapping.

According to a third aspect of the present invention discloses a flushing tank having an inlet valve flush tank, Prietenia disclosed a method of filling the flush tank, using the above method of controlling the flow through the valve.

Now will be described in three variants of the present invention with reference to the drawings, in which

Fig. 1 is a cross-section of essentially conventional hydraulic valve; Fig. 2 is a similar section of the inlet valve according to the first embodiment; Fig. 3 is an equivalent cross-section of the inlet valve according to the second embodiment; Fig. 4 is an enlarged cross-section overlying the siphon Poppet valve contained in the valve according to Fig. 3; Fig. 5 is a perspective image of a Poppet valve according to Fig. 4 with the spatial separation of the parts prior to Assembly; Fig. 6 is a side view of an inlet valve according to a third embodiment; Fig. 7 is a longitudinal section of the valve of Fig. 6; Fig. 8 is a perspective representation of the valve of Fig. 7 with the spatial separation of the parts; Fig. 9 to 12 represent, respectively, a perspective image, side view, top view and bottom view of the valve body according to Fig. 6 to 8 and Fig. 13 is a cross-section of the valve body and the cavity in the first embodiment, ispolnenny hydraulically zadeistvovany inlet valve flush tank. Valve represents essentially the same valve as described in the application N 81732/91 patent Australia on behalf of the applicant on this application. As can be seen in Fig. 1, a hydraulic inlet valve 1 has an inlet 2, which leads to the valve seat 3 valve, and output channel 4. The 3 saddle valve is closed by the valve element 5, which carries the rubber diaphragm 6. The bypass channel 7 allows you to direct water from the inlet 2 to the side of the diaphragm 6, which is located downstream. The pilot valve 8 controlled by the lever 9 and the float 10, regulates the pressure applied to the side of the diaphragm 6, the downstream.

In operation, when the auxiliary valve 8 is opened, as shown in Fig. 1, water may pass from the input channel 2 to the downstream side of the diaphragm 6 and thence for the auxiliary valve 8. Accordingly, there is no significant pressure is applied to the downstream side of the diaphragm 6, and, consequently, the valve element 5 is displaced from the seat 3 of the valve under the action of the water pressure in the inlet channel 2. This gives the possibility to open the hydraulic inlet valve 1 and to ensure the passage of water from the inlet 2 through the 3 saddle valve and vyhodnocovani closes the auxiliary valve 8. As a consequence, the inlet pressure is applied to a large surface area, and the downstream side of the diaphragm 6. The same pressure is applied to the relatively small surface of the valve element 5, which is directly converted to the input channel, however, the difference of squares leads to the formation of the resulting closing force applied through the aperture 6 to the valve element 5. Accordingly, the valve element 5 rests on the 3 saddle valve and closes the hydraulic inlet valve.

Such hydraulic inlet valve may be damaged because of number of reasons. One of the reasons is the punching of holes in the diaphragm 6, thereby the water gets a chance to seep from the downstream side of the diaphragm 6 to the output channel 4, thereby reducing the closing force of the pressure acting on the valve element 5, and the resulting output of the intake valve fails in the open state. Similarly, the bypass channel 7 may be clogged. This again reduces the pressure applied to the downstream side of the diaphragm 6 and again causes the outlet valve to fail open. In addition, the auxiliary valve 8 can securitygateway downstream side of the diaphragm 6 and leads to the output hydraulic inlet valve fails in the open state.

In Fig. 2 shows a first variant of the injection and counterbalance valve 11 flow according to the present invention. The valve 11 has an inlet 12, a seat 13 of the valve and generally cylindrical output channel 14. Between the inlet channel 12 and the output channel 14 is a cavity 15 within which is placed, as a rule, localizeable body 16 of the valve. The shaft 17, which is held in the sleeve 18 with the possibility of sliding, serves to support the body 16 of the valve.

As a constructive element, the valve 11 is formed by the inner housing 20, which has an input channel 12, and is attached to the shaped annular part 21, which together with the inner housing 20 forms a cavity 15. Around the inner housing 20 is a cylindrical outer housing 22, and the passage between the two parts limits the output channel 14. The head 23 forms the output end of the channel 14 and creates a support sleeve 18.

It is obvious that if the shaft 17 is shifted upwards, the body 16 of the valve closes the seat 13 of the valve, thereby preventing any flow from the inlet 12 to the outlet channel 14. On the contrary, when the rod 17 is pushed down, the valve opens and water can flow through the inlet channel 12, lowermost output channel 12, the cavity 15, the body 16 of the valve and of the outlet channel 14 is smooth and formed of smooth curves that limit the flow path, simulating theoretical line of flow, the flow of water behaves mainly as laminar. Thus, turbulence and cavitation is minimized. Accordingly, receive mostly silent stream.

A minor drawback of the design according to Fig. 2, is that the ring output channel 14 contains a significant amount of air which must be completely removed in order to achieve the highest possible noise level of the stream. With this purpose we developed the second version, shown in Fig.3. Injection and the counterbalance valve 111 of the flow in Fig. 3 has an input channel 112, saddle valve 113 and one tubular output channel 114. As in the previously described embodiment, the valve 111 also contains a cavity 115 and the body 116 of the valve, glued with the rod 117. The rod 117 is connected to rotate with the lever 109 float that can move in an arc under the action of the float 110.

Input channel 112 and output channel 114 is made jointly in the main body 120, in which is mounted a ring-shaped part 121, held in place by the cylinder 123, which soedinenie define the cavity 115. The head 123 is also mounted bearing sleeve 118 to shaft 117. In this regard, the rational is that the seal between the sleeve 118 and the rod 117 is not extremely necessary, because the water is in the output channel 114 only when the valve 111 is opened.

In addition, the annular part 121 is mounted overlying the siphon Poppet valve 125, which, as best seen in Fig. 4 and 5, is a T-shaped valve 126 with ribs and disk 127 with holes. When the disk 127 is mounted on the rod 128 of the valve 126, the rod 128 is holding the disk head 129. Since there are five holes 130 and four ribs 131, the air always has a chance to go through the disk 127 and output channel 114 when the valve 126 is not limited to the annular part 121. The purpose of the Poppet valve 125 is that in the case when the valve 111 is closed and the pressure in the output channel 114 are thus reduced, to ensure the flow of air into the output channel 114 so that water is not retained in the output channel 114 above the water level in wash tank. Consequently, if the input channel 112 is accidentally submitted a negative pressure (vacuum), water has no chance 211 according to the third embodiment is installed in the upper part of the stem 228, where the rise and fall of the float 210 in accordance with the water level within the flush-water tank 19. The float 210 is connected to the intake valve 211 using the lever 209 float. Gear rack 240 provides the relationship of the lever 209 float and inlet valve 211.

As can be seen in Fig. 7, the stem 228 is formed from two concentric cylindrical elements, the inner of which is input to the channel 212, which is surrounded by the outlet channel 214. Near the base of the output channel has one or more apertures 241, which restrict the flow in the exit channel, as will be explained below. The whole structure (Fig. 6) can be mounted in a known manner in the hole in the base flush bull 19 (shown in dashed lines) and hermetically fixed in place by a nut 242.

As best seen in Fig. 8, the input channel 212 opens into the cavity 215 of the valve, which contains an egg-shaped body 216 of the valve installed on the lower end of the rod 217. The rod 217 can be raised or lowered using a rack and pinion 240 and the lever 209 float to respectively close and open the valve 211. The cavity 215 of the valve is formed of two parts, the upper of which is the way the valve.

Three generally U-shaped channel 248 with a narrowed cross-sectional dimension of lead from the saddle valve 245 in the annular chamber 249, which, in turn, opens into the outlet channel 214. U-shaped channels 248 formed by grooves made on the reverse side of the cover 250. The cover 250 can be attached to the socket 251, made at the upper end of the rod 228, with connecting elements 253, 254 bayonet lock. In this way it is possible to attach the cover 250 to the socket 251 so as to lock the saddle 245 valve in a certain position.

Through the socket 251 passes a number of small holes 255, which, thus, provide a flow of air from the atmosphere through the annular space between the bottom (skirt) of the cover 250 and the socket 251 and thence into the annular chamber 249. Between the cover 250 and the socket 251 is a rubber bushing 256 having the shape of a truncated cone. The upper edge of the sleeve 256 is formed by a rim 257, which functions as a sealing ring and forms a seal between the socket 251 and the cover 250. In the sleeve 256 is made the Central hole 258 (Fig. 8), the walls of which are in the initial position shown in Fig. 7, are pressed against the outer part (walls) of the cavity 215 of the valve.

The CIG. 7, the water can flow from the input channel 212 through the cavity 215 of the valve, past the saddle valve 245 and U-shaped channels 248. Because the trajectory of the channel 248 is formed by a smooth curve, this stream flows mainly in a laminar mode, thereby avoiding cavitation and turbulence.

In addition, the rubber bushing 256, which initially blocks the flow of water from the U-shaped channel 248 in the annular chamber 249, deformed outwards under the action of water pressure, which is now attached to the inner surface of the sleeve 256 through the open saddle valve 245. The consequence of this pressure and the resulting flow of water is the expansion of the rubber bushing 256 outward so that the effective diameter of its Central hole 258 is increased.

This offset rubber bushing 256 simultaneously produces two results. First, the Central hole 258 rubber sleeve 256 is really a hole with a variable diameter (aperture), which increases with increased flow and/or pressure. This gives a highly desirable advantage in providing the pressure drop near the saddle valve 245.

In addition, the expansion of the rubber bushing 256 radially outward under the action which allows effective sealing of holes 255. Consequently, air from the atmosphere cannot enter through the openings 255 and thus be captured by the water passing from the U-shaped channel 248 in the annular chamber 249 and thence to the output channel 214. This leads to a very significant noise reduction.

In conclusion, narrow hole 241 at the base of the outlet channel 214 are designed to output channel 214 quickly was completely filled with water during operation of the valve. Consequently excluded a significant proportion of the noise associated with splashing and bubbles. In addition, the holes 241 is preferably narrow so as to form an additional means providing a pressure drop. Consequently, the primary pressure decreases gradually between the input and output channels, thereby reducing the likelihood of falling water pressure below the pressure of the water vapor. It is a drop in water pressure below the pressure of water vapor leads to the formation of cavitation, and, consequently, noise due to cavitation.

In Fig. 9-12 shows the preferred shape of the body 216 of the valve. From graphic materials clearly seen that the valve body is not spherical.

Specialists in this field it is clear that the above Konstrukcija which is contained in the incoming water of small solid particles and dirt is quite large, located in saddle valve 245. Therefore, even if any material stuck in this place, most likely in the next cycle of operation of the valve it will be ejected. Moreover, any such material washes easily portable (with water) through the channels 248, through the Central opening 258 of the rubber bushing 256 and in the annular chamber 249. From there any such dirt can be carried in the internal part of the receptacle 19, no harm.

Additionally, if you open the intake valve 211 randomly in the input channel 212 is filed low vacuum, the rubber bushing 256 absorbed inside, thereby pressing the wall of the Central hole 258 to the outer surface of the walls of the cavity 215 of the valve. Moreover, the Central part 259 rubber bushing 256 will move inward, thereby releasing holes 255 and allowing passage of atmospheric air and an outlet channel 214. Consequently, any water in the outlet channel 214 drops to the water level within the flush-water tank 19. This is ensured by preventing any reverse siphonaria.

Moreover, if there is a sudden and complete failure, such as failure of the valve 217, the body 216 of the valve is pushed out by the water pressure at the input t is AI, and not as open as other hydraulic valves.

Now the principle of operation of the valve according to Fig. 6 and 7 will be described with reference to Fig. 13 and using the number of the position according to Fig. 7. First, professionals in this field it is clear that if the valve is positioned vertically, as shown in Fig. 13, the effect of gravity, which pulls the body 216 of the valve and the valve 217 down, largely counteracts the buoyancy of the body 216 of the valve and, thus, these oppositely directed forces are largely compensated. On the contrary, if the valve is positioned horizontally, these forces perpendicular to the direction of displacement of the valve 217 and body 216 of the valve, and thus they can be neglected.

The position of the body 216 of the valve, when the valve is mainly in the fully open position shown in Fig. 13 in phantom lines. In this regard, the rational is that the cross-sectional area available for water flow inside the cavity 215 next to the input channel 212 and between the inner surfaces of the cavity 215 and the outer surface of the body 216 of the valve, is substantially reduced. On the contrary, the cross-sectional area available for flow between the outer surface of the body 216 of the valve and the inner surface is lapena almost closes the saddle valve 245 and output channel 214, shown in dotted lines in Fig. 13. Specialists in this field it is clear that with the areas of cross section of flow is reversed situation in relation to the above.

The body 216 of the valve, as a rule, is an ovoid (egg-shaped body) or ellipsoid. Preferably the body 216 of the valve is ovaloid Rankin (Rankine ovuloid) and, thus, in cross-section forms an oval Rankin, for which you can calculate laminar flow around a solid body.

Since the flow inside the cavity 215, flowing body 216 of the valve, mainly laminar and mostly without turbulence, the total energy in the fluid flow can be assumed constant with essentially negligible loss of energy.

As a consequence, the energy at all points along the path of flow of the same. The total energy per unit mass E at any given point is determined by the following equation

< / BR>
where

V is the flow velocity;

P is the pressure in the considered point;

the density of the liquid.

Because you made the assumption of no energy loss, the energy in the area next to the input channel i is equal to the energy in the area next to output channel 0. Thus, the following applies ur is/BR> V = Q/A,

where

V is the flow velocity;

Q is the flow rate;

A is the cross sectional area of the stream.

From the above equations 2 and 3 and due to the fact that the fluid is for all practical purposes is assumed incompressible, i.e. the density remains constant, it follows that if the cross-sectional area of flow increases, the flow rate will decrease. However, if the flow rate decreases, the pressure of the flow will increase to the energy remained largely constant. The opposite is true, i.e., if the flow area decreases, the velocity increases and the pressure decreases.

According to Pascal's law the pressure in a fluid acts equally in all directions and, thus, applied to the surface of the cavity 215 and, in particular, to the surface of the body 216 of the valve. Thus, as follows from Fig. 13, if the body 216 of the valve is in the position shown in phantom lines in Fig. 13, the sectional area of the flow next to the input channel 212 is reduced, and thus, the flow velocity near the inlet channel 212 is increased, and the pressure applied to the free end of the body 216 of the valve decreases. On the contrary, next to the output channel sectional area po valve near the spool 217, increases. Since pressure is a force divided by area, and surface area "hemispheres" of the body 216 of the valve connected to the valve 217, approximately equal surface area "hemispheres" of the free end of the body 216 of the valve, the resultant pressure difference leads to the formation of the resulting force, which consequently shifts the body 216 of the valve from the seat 245 of the valve against the direction of fluid flow and, thus, keeps the valve open.

As the fluid flows past the body 216 of the valve is formed leading to the power flow, which makes the body 216 of the valve to be displaced in the direction of the output channel. This attractive force flow can be counteracted by surface area "hemispheres" of the body 216 of the valve connected to the valve 217, greater than the surface area of the hemisphere of the free end of the body 216 of the valve. For example, "hemisphere" side of the valve can be quasivoluntary, while the other "hemisphere" can represent half of the ellipsoid.

From the above consideration it follows that there exists an equilibrium position at which fluid flow past the body 216 of the valve does not create any resultant axial sunwise lead to an imbalance of forces, which leads to the continuation of the offset for valve opening or closing of the valve. This means that you can easily control valve even when the short lever 209 float, such as shown in Fig. 6 and 7. It is evident from Fig. 6 and 7 shows that the initial displacement of the float 210 down caused by the emptying of the flush-water tank 19, leads to displacement of the body 216 of the valve down so as to partially open the saddle valve 245. Then in effect of the above-mentioned pressure difference, ensure the continuation of the valve opening 211. The displacement of the body 216 of the valve down preferably limited by limiting the displacement of the down rod 217. In the alternative case, the body 216 of the valve eventually comes into contact with the input channel 212.

As the flush-water tank 19 is filled with water in wash tank through the inlet valve 211, the float 210 is raised, thereby raising the lever 209 float and the body 216 of the valve upward, as seen in Fig. 7, in the direction of the equilibrium position. When the equilibrium position is passed, the pressure difference applied to the body 216 of the valve tends to raise the body 216 of the valve and, thus, acts in concert with the rising float 210. This leads to the closing of the valve, during which the body 216 of the valve with the"hemispheres" of the body 216 of the valve. This leads to the fact that the closing occurs reliably and quickly.

For specialists in this area it is obvious that the above described valve design allows you to create a valve that is easily opened and closed. When the valve starts to open or close, and localizeable body passes the position of equilibrium, the valve is opened or closed completely due to the imbalance of power. Thus, the amount of energy required to actuate the valve, is small compared with the conventional valve. This feature makes the valve suitable for use with very short arms of floats.

In addition, you can adjust the relative area of the surfaces of the two "hemispheres" localizeering body 16/116/216, to ensure that the resulting closing pressure during the entire "course". Thus, even if there is a sudden and complete (catastrophic) failure such as the destruction of the upper end of the valve or the float arm, valve always closes after will be a limited amount of water, and then will remain closed. So, basically eliminated the mechanisms of the processes that exist in conventional hydraulic intake valve, PR is to achieve noise level due mainly laminar flow with essentially almost not audible cavitation and extremely low turbulence.

The above material describes only three variants of the present invention, and the modifications that are understandable for specialists in this area can be made, without departing from scope of the present invention.

The list of designations positions

1 - hydraulic inlet valve

2 - output channel

3 - seat

4 - output channel

5 - element valve

6 - aperture

7 - bypass channel

8 - auxiliary valve

9, 109, 209 - float arm

10, 110, 210 - float

11, 111, 211 - injection and the counterbalance valve flow

12, 112, 212 - input channel

13, 113, 213 - seat

14, 114, 214 - output channel

15, 115, 215 - cavity

16, 116, 216 of the valve body

17, 117, 217 - stock

18, 118 - sleeve

19 - flush tank

20 - the inner housing 120 to the main body

21, 121 - ring detail

22 - the outer body

23 - head - 123-head

125 - disc valve

126 - valve with edges

127 disc with holes

128 - stock

129 - head

130 - hole

131 - edges

240 - gear rack

241 - hole

242 - nut

245 - seat

246 - o-ring

247

248 - U-style elements bayonet lock

255 - hole

256 - sleeve

257 - rim

258 Central hole

259 Central chastic

1. Injection and the counterbalance valve flow 11, 111, 211, containing the valve body, which has an input channel 12, 112, 212, leading to the internal cavity 15, 115, 215, and output channel 14, 114, 214, leading from it, and these input and output channels are mainly located opposite each other, and, as a rule, localizeable body 16, 116, 216 of the valve placed inside this cavity and mounted with a possibility of displacement in the direction of the outlet channel and from him, moreover, the dimensions of the valve body and the outlet channel is made so as to enable the closing of the output channel of the valve body, wherein the inner surface of the cavity 15, 115, 215 and the outer surface of the body 16, 116, 216 of the valve are of such form and are located (relative to each other) so as to reduce the cross-sectional area available for flow in the direction of the outlet channel between the valve body and the cavity, and simultaneously to increase the cross-sectional area available for flow from the input channel between the valve body and the cavity, when the valve body is displaced in the direction of the output canalmost flow of the pressure, acting on the valve body.

2. The valve p. 1, characterized in that the body is installed on the shaft 17, 117, 217, which passes through the output channel.

3. The valve p. 2, characterized in that the rod is installed with a possibility of longitudinal reciprocating motion.

4. Valve according to any one of paragraphs.1-3, characterized in that the output channel is curved 21, 23 and passes around the specified internal cavity in the direction of the specified input channel.

5. The valve p. 4, characterized in that the specified output channel consists of a set of parallel connected passages 248.

6. The valve under item 4 or 5, characterized in that the specified output channel 14, 214 of the valve surrounds the specified input channel 12, 212 valve.

7. Valve according to any one of paragraphs. 1-6, characterized in that the specified output channel has at least one hole 130, 255, related with the atmosphere.

8. The valve p. 7, characterized in that the(s) hole(s) 255 opening(s) into the atmosphere, is closed(are) 256, when the output channel 245 is not closed.

9. Valve according to any one of paragraphs. 1-8, characterized in that localizeable body 16, 116, 216 is shaped or ovoid (egg-shaped body), or ellipsoid, Libiamo water flush tank as the inlet valve 11, 111, 211.

11. The valve p. 10, characterized in that it is mounted on the upper end of the rod 128, 228 flush-water tank and includes the input channel for the specified flush-water tank.

12. Flush the tank containing the inlet valve 11, 111, having a valve body, which contains the input channel 12, 112, 212, leading to the internal cavity 15, 115, 215, and output channel 14, 114, 214, leading from it, and these input and output channels are located essentially opposite each other and, as a rule, localizeable body 16, 116, 216 of the valve placed inside the cavity and mounted with a possibility of displacement in the direction of the outlet channel and from him, and the dimensions of the valve and the output channel is made such to enable the closing of the output channel of the valve body, wherein the inner surface of the cavity 15, 115, 215 and the outer surface of the body 16, 116, 216 of the inlet valve is of such a shape and are located (relative to each other) so as to reduce the cross-sectional area available for flow in the direction of the output channel and between the valve body and the cavity, and simultaneously to increase the cross-sectional area available for flow from the input channel and between the valve body and the cavity of the output channel, to thereby change the balance generated by the flow rate of the pressure acting on the valve body, the valve body is made of the input channel flush-water tank.

13. The method of controlling the flow through the discharge and the discharge valve 11, 111, 211, containing the valve body, which has an input channel 12, 112, 212, leading to the internal cavity 15, 115, 215, and output channel 14, 114, 214, leading from it, and these input and output channels are mainly located opposite each other, and as a rule, localizeable body 16, 116, 216 of the valve placed inside this cavity, characterized in that the method comprises the steps: displacement of the valve body from the outlet channel to increase the cross-sectional area available for flow between the body and the cavity next to the output channel, and to simultaneously decrease the cross-sectional area available for flow between the body and the cavity next to the input channel, in order thereby to the body was attached spawned thread resultant pressure force, whose action ensures the continued displacement of the valve body from the outlet channel and the opening of the valve and the shift valve body in the direction of the output channel for reducing the area of Poperechnaya cross-sectional area, available for flow between the body and the cavity next to the input channel, in order thereby to the body was attached spawned thread resultant pressure force, whose action ensures the continued displacement of the valve body in the direction of the output channel and closing of the valve.

14. The method according to p. 13, characterized in that the displacement of the valve body provide so that it passes through the equilibrium position, which is generated by the flow of the pressure is essentially equal to zero.

15. The method according to p. 13 or 14, characterized in that it includes an operation limit offset 109, 123 of the body 116 of the valve from the outlet channel 114 to prevent the entrance of the valve body into contact with the input channel 112.

16. The method according to one of paragraphs. 13 to 15, characterized in that when the valve is used as an inlet valve 11, 111, 211 flush-water tank, a body 16, 116, 216 of the valve is shifted in response to changes in water level within the flush tank.

17. The method according to p. 16, characterized in that it includes a join operation body with the float 110, 210 in wash tank 19 through the lever 109, 209 of the float.

18. The method according to p. 16 or 17, characterized in that by moving the valve body to provide filling of the flush tank.

 

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Filling float valve // 2248489

FIELD: hydraulic power engineering.

SUBSTANCE: invention relates to hydraulic intake valves designed for metered delivery of liquid into reservoir to be filled. Proposed filling float valve contains housing with vertical inlet branch pipe, outlet hole and cone-like seat inside housing. Shutoff member arranged opposite to seat is made in form of elastic diaphragm with thickening in zone of interaction with seat. Axially movable rod of shutoff member is arranged in bracket. The latter is fixed relative to housing by means of union nut. Rod of shutoff member is mechanically connected with float through lever. Float is installed for vertical displacement in cup installed for vertical adjustment relative to housing. Hole is made in bottom of cup. Float valve fitted in said hole serves to communicate inner space of cup with reservoir under filling when liquid is being drained from the latter. Float is installed for displacement relative to lever by means of adjusting screw. Adapter bracket is found on head of adjusting screw. Post with projections on its side surface is secured on bracket of valve housing. Projections are pointed to side of cup. Shaped projection is made in the latter. Cup is fixed relative to post by means of projection and fitted-on detachable clamp. Diaphragm is hermetically secured over perimeter on housing by means of bracket with union nut to form space in housing from side of seat. Said space communicates with outlet hole and, through seat, with vertical inlet branch pipe. Shaped axle is made on one end of lever. Cylindrical sections of said axle are arranged in coaxial holes of housing bracket. Section in form of sector of circumference in cross section of axle is made between cylindrical section of axle. U-shaped recess is made in rod in its middle part. Said recess accommodates section of lever axle made in form of sector in cross section. Maximum width of said section of axle is from 0.8 to 0.85 of width of U-shaped recess of rod. Wide side of sector is pointed to side of base of U-shaped recess for interaction with sides of U-shaped recess of rod. Center of rotation of sector relative to rod is arranged at distance from rod axis equal to 0.27-0.29of width of U-shaped recess. Hole is made on other end of lever. End of tie-rod mechanically coupled with lever is arranged in said hole of lever. Other end of tie-rod is secured in adapter bracket for adjustment of length of tie-rod.

EFFECT: enlarged functional capabilities of filling float valve, improved reliability in operation.

2 dwg

Filling float valve // 2248490

FIELD: hydraulic power engineering.

SUBSTANCE: invention relates to hydraulic intake valves designed for metered delivery of liquid into reservoir to be filled. Proposed filling float valve contains housing with horizontal inlet branch pipe, side outlet branch pipe and cone-like seat inside housing and shut off member arranged opposite to seat. Axially movable rod of shutoff member is mechanically connected with float by means of two levers. Float is installed for vertical displacement in cup. Hole is made in cup bottom. Float valve installed in said hole communicates inner space of cup with filled reservoir when liquid is being drained from the latter. Cup is installed for vertical adjustment relative to housing. Float is installed for displacement relative to lever by means of adjusting screw. Bracket with axle is secured in screw head. Post with projections on side surface pointed to side of cup is secured on valve housing. Shaped projection is made on cup. Cup is fixed relative to post by means of said projection and fitted-in detachable clamp. Shutoff member is made in form of elastic diaphragm with thickening in zone of interaction with seat. Diaphragm is hermetically secured on housing over perimeter by means of bracket with union nut to form space in housing from side of seat. Said space communicates with side outlet branch pipe and, through seat, with horizontal inlet branch pipe. Rod is arranged in bracket. One of levers is made stepped. One of steps of said lever is secured on housing bracket by means of hinge joint. Fork-like hole is made in second step of said lever. Axle of bracket fitted in said hole is installed for displacement along hole. Axle is secured on head of adjusting bolt. Oblong hole is made in first step of lever connected with housing bracket. Axle is fitted in hole for displacement hole. Axle is cantilever mounted on end of second lever. Shaped axle is made on other end of said lever. Cylindrical sections of said axle are arranged in coaxial holes of housing bracket. Section in form of sector in cross section of axle is made between cylindrical sections on axle. U-shaped recess is made in middle part of rod. Said recess accommodates section of axle of second lever made in form of sector in cross section. Maximum width of said section of axle is from 0.8 to 0.85 of width of rod U-shaped recess. Wide side of sector is pointed to said of base of U-shaped recess engagement with sides of rod U shaped recess. Center of rotation of sector relative to rod is arranged at distance from rod axis equal to 0.27-0.29 of width of U0-shaped recess. Oblong and fork-like holes of stepped lever are parallel to each other. Distance between longitudinal axes of said holes is form 1.25 to 1.35 of hole width.

EFFECT: enlarged functional capabilities of filling float valve, improved reliability of hydraulic delivery valve, reduced noise in operation.

2 dwg

Valve // 2280803

FIELD: water power engineering.

SUBSTANCE: valve comprises housing with inlet and outlet branch pipes and cylindrical seat, closure member that cooperates with the seat, and sleeve mounted in the tank filled with fluid. The bottom of the sleeve is provided with the opening that receives the floating valve for communication of the inner space of the sleeve with the tank when fluid is discharged from the tank. The float is mounted for permitting vertical movement inside the sleeve. The inlet branch pipe of the housing is connected with the inlet connecting pipe of the tank through a flexible pipe. The cylindrical seat is made in the housing for defining a ring space around it. The space is in communication with the inlet branch pipe. The closure member is made of a flexible flat diaphragm whose diameter is equal to the diameter of the greater step of the ring collar. The flexible diaphragm is tightly pressed to the step of greater diameter of the housing by means lid and nut.

EFFECT: enhanced reliability.

4 dwg

Filling valve // 2280804

FIELD: water power engineering.

SUBSTANCE: filling valve comprises housing with inlet and outlet branch pipes and cylindrical seat, flexible valving member that cooperates with the seat, lid, lever, tie, and float. The cylindrical seat is made in the housing to define the ring space around it. The space is in communication with the inlet branch pipe. The lid is set in the housing and its bottom is provided with the nozzle projecting outward. The outer side of the lid is provided with the cylindrical flange. The flexible valving member is clamped inside the housing over periphery by means of the lid. The space of the lid is separated from the ring space of the housing by means of the the flexible valving member and is in communication with the space around the through nozzle and to the ring space of the housing through the orifice. The lever is mounted for permitting rotation with respect to the lid by means of the cantilever. One of the ends of the lever is provided with the gate. The other end is kinematically connected with the tie. The tie is provided with a float for permitting movement with respect to the ring. The tank filled with fluid receives the sleeve. The bottom of the sleeve is provided with the opening that receives the floating valve for communication of the inner space of the sleeve with the tank when the fluid is discharged from the tanks. The float is mounted inside the sleeve for permitting vertical motion. The housing is provided with two-step ring collar. The collar is located at the level of the cylindrical seat. The L-shaped pillar is secured to the lid. The vertical large side of the pillar is provided with the sleeve. The sleeve has rectangular passage arranged along its side. The pillar passes through the passage for permitting the sleeve to move with respect to the second cantilever of the housing. The seats of their pillars are mutually perpendicular and provided with the long side along or counter to the inlet branch pipe of the housing.

EFFECT: enhanced reliability.

7 dwg

Filling float-valve // 2351835

FIELD: machine building.

SUBSTANCE: present invention pertains to hydro-automation, particularly to hydraulic inlet valves with dosed supply of liquid into a filling tank, and is meant for use in systems for filling different types of reservoir with water. The filling float-valve has housing with an inlet, an outlet opening and a seat inside the housing in form of a nozzle, a gate opposite the seat, in form of an elastic membrane with thickening in the area where it is in contact with the seat. The axially moveable coupling of the gate is on an arm support. The arm support is fixed against the housing using a cap nut and is kinematically linked to the float through a lever and a tie-rod. The float is fitted with provision for vertical displacement. The perimeter of the membrane is pressed into the housing by the arm support with a cap nut, forming a cavity in the housing on the side of the seat. The cavity is linked to the outlet opening and, through the nozzle, to the inlet. There is a cavity on the arm support above the membrane. This cavity is linked to the cavity in the housing through at least one opening on the membrane. The coupling rod is pressed against the arm support using stocking type sealing rings. Inside the cavity in the housing, on the side of the seat, an encircling seat is fitted, forming an annular gap, as well as a throttle insertion which is in form of a cup. A bypass hole is made at the bottom of the latter. The perimeter of the membrane is pressed between the bottom of the cup and the arm support. An outlet opening is made in the side wall of the cup. On the inner wall of the cup and the outer side surface of the seat there are radial ribs with formation by the latter in the annular gap, a labyrinth in the cross-section of the throttling channel.

EFFECT: increased reliability and easier operation of a filling float-valve.

4 dwg

FIELD: machine building.

SUBSTANCE: stop water-supply valve comprises body, which contains the following components that are coaxially installed and tightly pressed one into another - threaded insert, couplings of various diametre and valve tube. The latter comprises a through hole with valve stem and thrust tube installed in it with the possibility of axial displacement. Thrust tube is spring-loaded with standpipe stem on one side and is fixed by a thrust ring at the other side. Valve stem is made in the form of hollow tube with plug at the end, is limited with a collar and connected to disk by means of thrust. Disk is a stop-relief valve of hydraulic chamber. This chamber is formed by coupling of smaller diametre, threaded insert and coupling of larger diametre. One or several openings are located in lower part of valve stem and thrust tube above collar. Centre of thrust tube openings is coaxially installed above centre of openings of valve stem.

EFFECT: protection against valve freezing at low temperatures.

4 cl, 3 dwg

FIELD: construction.

SUBSTANCE: support structure passes along the axis and includes a vessel. The valve body has a gate interacting with a moistureproof seat, and is arranged with the possibility of displacement around the axis. The upper and lower floats are arranged at various heights along the axis and interact with the valve body. The floats are arranged as movable independently on each other relative to the valve body together with variations of water level inside the vessel for selective and independent engagement with the valve body at various heights along the axis. The first and second control buttons impact a control lever. The control lever is attached to the valve body to lift the valve body along the axis. The buttons are arranged with the possibility of displacement at according various lengths along the axis, in order to lift the valve body at according various heights and to drain according amounts of water. The first button is arranged with the possibility of displacement to the first specified length in order to lift the valve body into the position of a partial drain. In position of the partial drain the valve body is only engaged with the upper float, besides, the lower float is not engaged with the valve body. The second button is arranged with the possibility of displacement to the second specified length, which is more than the first length, in order to lift the valve body in position of a full drain, where the valve body is engaged with the lower float.

EFFECT: increased efficiency of device operation.

12 cl, 8 dwg

FIELD: machine building.

SUBSTANCE: hydraulic actuating device (1) for actuating discharge mechanism (2) consists of driven device (4) with plunger(s) (9, 80), of control unit (5), of at least one hydraulic T-valve (6) and of at least one hydraulic cylinder (3) of simple action with one hydraulic T-valve (6). Control unit (5) can be united with driven device (4). Water from a water main comes into hydraulic T-valve (6). Control valve (5) hydraulically operates hydraulic T-valve (6). Hydraulic cylinder (3) of simple action with one hydraulic T-valve (6) actuates the said discharge mechanism by lifting a shut off valve. Each plunger (9, 80) interacting with one hydraulic T-valve (6) also interacts with one hydro-cylinder (3) of simple action.

EFFECT: reduction of pressure applied to plunger for discharge by user.

9 cl, 12 dwg

Float fill valve // 2557817

FIELD: machine building.

SUBSTANCE: float fill valve with bottom water supply contains body with seat in form of nozzle and external securing cylinder, post with bracket and guide, installed in cavity of the post, stock and elastic membrane connected with stock. The stock is connected via the lever and tie-rod with float that moves along the guide. The bracket is made with internal and external sleeves, at that the membrane is secured in the internal sleeve of the bracket. The internal sleeve of the bracket has slots, and in closed position of the fitting interacts with the ring shoulder made on the body around the seat.

EFFECT: invention reduces uncontrolled leaks and increases operation efficiency of the valve.

2 cl, 2 dwg

FIELD: construction.

SUBSTANCE: method involves setting up public bathrooms, wash basins and toilets with flush tanks. Each bathroom contains at least one toilet with a flush tank, which is connected through a duct with drain holes of the sink and contains a device whereby flush tanks of at least some other toilets are connected to a supply duct with drain holes of the sinks, which opens the feed line when the flush tank is full and closes it when it is empty. Flush tanks of toilets or some of the toilets are connected to the water supply system through a supply line.

EFFECT: reduced consumption of clean water, improved hygiene, reduced incidence of infectious diseases, a more comfortable environment for users.

2 cl, 2 dwg

FIELD: sanitary equipment, particularly water flushing devices thereof.

SUBSTANCE: float-operated inlet valve for flushing tank comprises body made as hollow cylinder with inlet and outlet orifices and transversal partition with axial throttling orifice, which divides body interior into inlet and outlet cavities. Valve also comprises water channels, which connect above body cavities, annular valve seat arranged around above outlet orifice, movable valve member, namely flexible membrane with throttling orifices crossing the body and connected thereto. The membrane is installed so that the first membrane side defines working space between the membrane and the seat and the second membrane side creates backpressure chamber with transversal partition adapted to support the membrane. Membrane orifice communicating backpressure chamber with above outlet body orifice is closed with closing member. The closing member is made as pusher arranged in above outlet orifice and kinematically connected with float so that closing member closes the orifice simultaneously with full float ascending. Water filtering member may be arranged in inlet body chamber.

EFFECT: simplified valve structure and improved technical and operational characteristics thereof, namely increased service life and reliability.

2 cl, 1 dwg

FIELD: construction.

SUBSTANCE: valve comprises the main pipe for water supply, which may be fixed near the bottom of the appropriate flush tank. The main pipe is made as capable of adjustment of its length for adjustment to flush tanks of various depth. Near the upper part there is a neck for placement of various facilities for sending of a water flow, its closing and control. The water supply pipe comprises three main parts. All three parts are connected with each other as capable of mutual replacement in axial direction. One of the main parts forms an inner tube with a stem designed for fixation near the bottom of the flush tank. The inner tube enters the middle tube. The middle tube forms the second main part. The second part is installed inside the third main part as capable of limited displacement between both parts. The third main part may be considered as an outer one and has a facility for pulling and (or) pushing. This facility serves to perform the appropriate relative displacement of the middle pipe in the inner tube. Thus adjustment is realised along pipe height or length.

EFFECT: possibility to do manual control along height of an already installed drain valve.

5 cl, 3 dwg

Dump tank valve // 2535416

FIELD: machine building.

SUBSTANCE: dump tank valve contains discharge branch, drain hydraulic line and stop device between them. The stop device is provided with pusher that via the rotation lever interacts with a float. The stop device contains installed in series resilient servo-motored valve, intermediate bushing, membrane, nozzle, choke and separator. The resilient servo-motored valve is connected with the pusher. The intermediate bushing is equipped with closed hole connected with drain hydraulic line by the bypass channel, and with the central rod having at least one longitudinal groove. The membrane has rigid central part, a hole for bushing rod is made in this part. The nozzle is connected with the discharge branch and creates seat surface for the membrane central part. The choke is installed in the drain hydraulic line and limits power of the passing flow. The separator is located in the discharge branch upstream the nozzle and ensures the passing flow spinning.

EFFECT: increased life of valve fault-free operation.

3 cl, 4 dwg

Float filling valve // 2606002

FIELD: machine building.

SUBSTANCE: invention relates to hydraulic automation and is intended for calibrated filling of various vessels with liquid, in particular drain tanks with side supply of water. Float filling valve with side supply of water comprises a nozzle, housing with bracket installed in cavity of housing of rod and coupled with rod elastic membrane. Nozzle is equipped with a seat in form of nozzle and external mounting cylinder. Bracket of housing is formed by inner and outer shells. Rod by means of main lever interacts with a float. Membrane is fixed in bracket and interacts with nozzle. On housing is fixed a guide, on which float moves. Float is connected with main lever by means of thrust. Control action of main lever is transmitted to rod by means of support lever. Membrane is secured in inner cup of bracket, which is provided with slots and in closed position of fitting interacts with a collar on nozzle around seat.

EFFECT: higher efficiency of valve operation.

1 cl, 1 dwg

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