The working fluid being air, e.g. for ventilation (F04D25/08)

Fan assembly // 2614378
FIELD: satisfaction of human life necessities.SUBSTANCE: fan assembly containing a nozzle and the main part, on which the nozzle is installed. The nozzle contains a rear section, having at least one the first air inlet, at least one the first air outlet and the first internal passage for moving the air from the first air inlet to the first air outlet; and a front section, having at least one the second air inlet, at least one the second air outlet and the second internal passage, which is isolated from the first internal passage for moving the air from the second air inlet to the second air outlet. The nozzle sections define the internal hole through which the air from fan assembly outside is drawn by the air emitted from the nozzle. The main part includes the means for creating the first air flow through the first internal passage and the second air flow through the second internal passage, and also means for changing the second air flow moisture parameters before it enters the second internal passage.EFFECT: improvement of the device reliability.15 cl, 8 dwg

Fan and layout, including such fan // 2612648
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering. Fan nozzle (27) is fixed on support plate (25), on which rear wall (11) there is fastener (26) with, at least one upper (15) and lower (16) fixing devices for fan fixation (10) on mounting rail (1). Upper (15) and lower (16) fixing devices in fixed condition envelope mounting rail (1) upper (2) and lower (3) edges and arranged with displacement relative to each other in direction, in fan (10) fixed condition passing parallel to mounting rail (1) longitudinal axis. Fixing devices (15, 16) ends facing each other in this direction form inner ends (17, 18). Between inner ends (17, 18) of upper (15) and lower (16) fixing devices there is gap (d) with width, which is larger, than gap (b) between mounting rail (1) upper edge (2) and lower edge (3), so, that fan (10) as result of inclination relative to inclination axis (Z) in direction of inclination (k) during insertion is inserted into mounting rail (l) perpendicular to mounting rail longitudinal direction (X).EFFECT: technical result consists in reduction of mounting space for mounting/dismantling.11 cl, 9 dwg

Ventilator // 2584387
FIELD: personal and household goods.SUBSTANCE: invention relates to fan assembly to develop air flow in room, which includes impeller and electric motor for actuation of impeller to draw air flow in fan assembly and body with continuous internal channel with tangential inlet air, through which air flow enters inner channel and at least one outlet air outlet, for at least portion of air flow. Body forms hole, around which inner channel and through which air outside fan assembly is captured by air coming out of at least one air outlet.EFFECT: invention is aimed at reduction of dimensions of fan, as well as high efficiency of air flow.16 cl, 22 dwg

Shelf bladeless fan // 2581117
FIELD: ventilation.SUBSTANCE: present invention relates to nozzle for ceiling fan intended to create air flow in room, and to ceiling fan, including such nozzle. Ring-shaped nozzle for ceiling fan nozzle including inner wall forming hole with axis, outer wall passing around inner wall, air intake, air intake section extending between inner and outer wall and containing at least one air outlet hole, and inner channel passing around axis of hole to feed air flow to air outlet section, wherein air intake section is made so that to output air flow from hole axis.EFFECT: this allows to create air flow around nozzle, and as consequence fan orientation sufficiently close to ceiling.19 cl, 13 dwg

Fan assembly // 2580781
FIELD: ventilation.SUBSTANCE: present invention relates to fan assembly. It includes nozzle and main part, on which nozzle is mounted. Nozzle comprises rear section, having first air inlet and outlet, and first internal passage for air movement from first air inlet to first outlet hole for air; and front section with second air inlet and one second outlet, and second internal passage, which is isolated from first internal passage for air movement of at least one second air inlet to second outlet hole for air. Nozzle sections are determined inner hole, through which air outside fan assembly is drawn by air emitted from nozzle. Main part includes means for creation of flow of first air flow through first internal passage and second air flow through second internal passage, and changing one of following parameters: temperature, humidity, electric charge of second air flow prior to its input to second internal passage.EFFECT: this allows to create optimal microclimate in serviced room.18 cl, 8 dwg

Fan assembly // 2580503
FIELD: ventilation.SUBSTANCE: invention relates to fan assembly. It includes nozzle and base on which nozzle is installed. Nozzle has first air inlet, first outlet and first internal passage for air movement from first inlet hole to first outlet. Nozzle also includes second air inlet, plurality of second outlet holes for air and second internal passage for air movement from second inlet hole to second air outlets. Nozzle determines inner opening, around which pass internal passages and air from outside of fan is exhausted by air emitted by air outlets. Housing includes engine and unit of impeller to create first air flow through first internal passage and second air flow through second internal passage. First air passage moves first air flow to first inlet hole, and second air passage moves second air flow to second inlet hole. One of following parameters - temperature, humidity, composition and electric charge of second air flow is changed before it is emitted from nozzle.EFFECT: this allows to create and maintain required parameters of microclimate in room.16 cl, 9 dwg

Ventilator // 2576734
FIELD: ventilation.SUBSTANCE: invention relates to a fan assembly to generate air flow in a room, which includes an annular housing forming an inner channel. Inner channel includes an air inlet and, downstream of air inlet, accommodates an impeller and an electric motor for actuation of impeller to capture air flow through air inlet in into fan assembly. Inner channel also has an air outlet from which exits at least part of air flow generated in fan assembly. Annular housing forms an opening, which extends around inner channel and through which secondary air stream outside fan assembly is captured by air discharged from air outlet.EFFECT: invention aims to provide a compact fan.17 cl, 22 dwg

Blower assembly // 2574694
FIELD: ventilation.SUBSTANCE: blower assembly nozzle has an air inlet, a circular air outlet and the inner air channel that extends from the air inlet and air outlet. The inner channel is arranged between the circular inner wall and the outer wall extending around the inner wall. The said inner wall defines the channel for air to be sucked from outside the nozzle which is ejected from the air outlet. The inner wall is offset relative to the outer wall so that the inner passage cross-section area varies around the channel.EFFECT: controlled airflow ejection direction, hence, lower turbulence of the airflow developed by the blower.43 cl, 6 dwg

Fan // 2567345
FIELD: ventilation.SUBSTANCE: invention comprises a base with an air inlet hole and an air outlet hole, with that, an impeller and an engine designed for rotation of the impeller to create an air flow from the air inlet hole to the air outlet hole are located in the base. Besides, the fan includes an elongated vertical ring-shaped nozzle containing an internal passage having an air inlet hole intended to receive the air flow from the base and an outlet section intended to discharge the air flow; with that, the nozzle determines the hole through which the air flow leaving the outlet section draws the air outside the fan.EFFECT: design of a small-size fan with a uniform air flow.20 cl, 14 dwg

Assembled fan // 2566843
FIELD: ventilation.SUBSTANCE: nozzle for assembled fan includes air inlet hole, air outlet hole, internal channel for air movement from air inlet hole to air outlet hole, ring internal wall and external wall passing around the internal wall. The internal channel is located between the internal wall and external wall. Internal wall, at least partially determines the hole, through which air outside the nozzle is drawn in by air released from the air outlet hole. The flow control port is located along the flow after the air outlet hole. The flow control chamber is provided for air movement to the flow control port.EFFECT: control mechanism selectively prevents air flow passage through the flow control port, to reflect the air flow released from the air outlet hole.21 cl, 12 dwg

Fan // 2545478
FIELD: heating.SUBSTANCE: invention refers to fan (10) for air jet generation. The fan includes nozzle (14) mounted on a base. The base includes external case (16), noise absorbing element inside the external case (16), impeller case (64) inside the external case (16) featuring hole (70) for air inlet and hole for air outlet, impeller (52) in the impeller case, and motor (56) rotating the impeller against axis to generate air flow through impeller case. The nozzle includes external channel (86) for air flow from air outlet hole in the impeller case, and outlet section (26) through which air flow exits the fan, while noise absorbing element is positioned under air inlet hole (70) in the impeller case (64) and runs from air inlet hole along the axis at 5 to 60 mm distance.EFFECT: bladeless low-noise fan.15 cl, 3 dwg

Centrifugal ceiling fan // 2544396
FIELD: heating.SUBSTANCE: this invention relates to a centrifugal ceiling fan. The proposed fan includes a casing, a motor and an impeller. The above casing has an upper surface with an air intake and a lower surface with an air bleed. According to a preferable version of the invention, the specified lower surface has a round, bowl shape; besides, there is a group of holes in it, which determine the air bleed. The above impeller includes a rotary shaft and a group of blades located around the above said shaft. The above said blades are preferably of a curved shape to provide air flow in all directions between the first direction that is mainly perpendicular to the rotary shaft and the second direction that is mainly parallel to the rotary shaft, due to which uniform room ventilation is provided. In the proposed fan a provision can also be made for a heating element for heating of the air leaving the fan.EFFECT: invention is aimed at creation of a noiseless fan that is safe at operation and provides for uniform air distribution inside the room.15 cl, 9 dwg

Fan // 2526135
FIELD: heating, ventilation.SUBSTANCE: fan designed for creating the air flow and comprising a base with a hole for air inlet and a hole for air outlet, at that in the base there is an impeller and a motor for rotating the impeller to create an air flow from the hole for air inlet to the hole for air outlet. In addition, the fan comprises a vertical elongated annular nozzle comprising an inner channel having a hole for air inlet, designed for receiving air flow from the base, and an outlet part designed for outlet of the air flow, at that the nozzle defines the hole through which the air flow exiting from the outlet part, sucks the air outside the fan.EFFECT: invention is aimed at creation of the fan with smaller radial size, without loss of capacity.32 cl, 14 dwg

Air fan, in particular, for heating device of vehicle // 2513509
FIELD: heating.SUBSTANCE: invention relates to a fan for a heating device in a vehicle. The fan comprises an electric drive of a fan, and also a wheel made as capable of fan driving with the drive, besides, closure of the electric contact of the fan drive is carried out with the help of spring contacts. Besides, there is a fan channel made in the fan body connected to the fan electric drive as circularly arranged around the axis (A) of rotation, being open at the axial side closed with the fan wheel, and the fan channel comprises an inlet zone and an outlet zone separated by means of an interruption zone, besides, in the fan body there is a hole, through which the driving shaft of the fan drive stretches as connected with the wheel for joint rotation.EFFECT: invention is aimed at creation of more reliable electric closure of a fan contact.10 cl, 4 dwg

Fan // 2507419
FIELD: engines and pumps.SUBSTANCE: bladeless fan includes nozzle 1 and a creation device of flow through it. Nozzle 1 has internal channel 10, outlet opening 12 for receiving air flow from internal channel 10. Coanda surface 14 adjacent to outlet opening 12; with that, outlet opening 12 is located so that air flow can be directed along that surface, and a diffuser located after Coanda surface. Diffuser has surface 46. Air flow creation device through nozzle 1 is made in the form of impeller 30 driven by electric motor 22.EFFECT: creation of a more uniform air flow along the whole working surface of the fan; making its more compact and safer.17 cl, 5 dwg

Fan // 2505714
FIELD: ventilation.SUBSTANCE: fan is designed for creation of an air jet in a room, an office or other rooms. A bladeless fan includes nozzle (14) installed on base (12), and an air flow creation device. Nozzle (14) includes internal channel (94) intended to receive an air flow, outlet section (26) designed for air flow discharge and several fixed guide vanes (120), each of which is located in internal channel (94) and intended to direct some part of the air flow to outlet section (26). Nozzle (14) determines hole (24) through which the air flow leaving outlet section (26) sucks the air outside the fan.EFFECT: improvement of comfortable conditions and increase of fan safety.33 cl, 14 dwg

Fan // 2504694
FIELD: machine building.SUBSTANCE: bladeless fan includes a nozzle and an air flow creation device through the nozzle; besides, the nozzle includes an internal channel, an outlet section intended for air flow reception from the internal channel and a surface that adjoins the outlet section, above which the outlet section is made so that it guides the air flow; the nozzle is installed on a rack with adjustable height.EFFECT: increasing safety when using a fan.19 cl, 15 dwg

Fan // 2463483
FIELD: ventilation.SUBSTANCE: fan without blades for creation airflow contains a nozzle 1 mounted on the basis 16, comprising means for creating an air flow - the impeller 30 and diffuser 32, through the nozzle 1. Nozzle 1 has an inner channel 10 for receiving the air flow from the base 16 and an outlet 12 through which the air flow is released. The nozzle 1 is located around the axis and locates the opening 2, through which outside the fan the air is pulled in through airflow discharged from the outlet 12. The nozzle 1 has a surface over which there is a discharge opening 12 for directing the air flow. The surface comprises a diffuser part 46 moving away from the axis, and the guiding part 48, located downstream after the diffuser part 46 at an angle to the latter.EFFECT: creation of a compact low noise safe device.28 cl, 5 dwg

odular electrically driven compressor plant // 2461738
FIELD: machine building.SUBSTANCE: proposed plant comprises housing accommodating motor stator with multiphase winding, compressor compression radial-flow stage flow section fixed elements, housing cover accommodating stator elements of plant rotor magnetic suspension system bearings, and plant rotor carrying rotor elements of bearings and compressor and motor rotary assemblies. Note here that motor stator magnetic core is made up of sections, their number complying with that of compression stages. Magnetically and electrically not conducting separation cylinders are arranged between said sections. Note here that stator winding is shared by all sections and laid in core section and separation cylinder grooves. Every integrated rotary assembly of compressor and motor comprises impeller. Said impeller inlet has guide channels to feed gas to impeller inlet while motor rotor section is located there outside. Note also that magnetic coupling between motor and rotor sections is ensured by fixed cylinders made from electrically nonconducting materials with built-in cores made up of thin stacks of radial plates of electric steel.EFFECT: decreased overall dimensions.2 cl, 2 dwg

Blower assembly // 2460904
FIELD: engines and pumps.SUBSTANCE: blower assembly 10 is designed to create air jet. Blower comprises outlet 14 arranged on bed. Said bed comprises outer housing 16 and case 64 of impeller 52 arranged in outer housing 16. Case 64 has air inlet 70 and air outlet and houses impeller 53 and its drive motor 56 to force airflow through case 64. Aforesaid outlet has inner chamber 86 to direct airflow from impeller case 64 and constricted section 26 for airflow to be forced out from blower 10. Flexible sealing element is arranged between outer housing 16 and case 64 of impeller 52.EFFECT: reduced air loss and noise, increased airflow.19 cl, 17 dwg

Fan // 2458255
FIELD: ventilation.SUBSTANCE: vaneless fan includes nozzle 1 and device for creation of flow through it. Nozzle 1 has internal channel 10, outlet hole 12 for receiving the air flow from internal channel 10 and Koand surface 14 adjacent to outlet hole 12. The latter is located so that the air flow can be directed along that surface. Device for creation of the air flow through nozzle 1 is made in the form of impeller 30 brought into action with electric motor 22.EFFECT: creation of more uniform air flow along the whole working surface of fan; more compact and safe design.18 cl, 5 dwg

Fan // 2458254
FIELD: ventilation.SUBSTANCE: vaneless fan 100 for creation of the air flow includes nozzle 1 installed on the housing of base 16 for creation of the air flow passing through it. Nozzle 1 has internal channel 10 for receiving the air from base 16 and outlet hole 12 through which the air flow is discharged. Nozzle 1 is essentially located orthogonally to the axis and forms hole 2 through which the air is injected from outer side of fan 100 due to the air flow leaving the outlet hole 12. Both nozzle 1 and base 16 have the depth in the direction of axis; at that, depth of base 16 does not exceed double depth of nozzle 1. As an alternative, fan 100 has the height measured from the end of base 16, which is the most distant from nozzle 1, to the end of nozzle 1, which is the most distant from base 16, and width which is perpendicular to the height. At that, both the height and the width are perpendicular to the axis, and width of base 16 does not exceed 75% of nozzle 1 width.EFFECT: fan has compact design.25 cl, 5 dwg

Compression unit // 2455530
FIELD: machine building.SUBSTANCE: compressor unit (1) comprises a compressor (5), a suction line (2) and a return line (3), a block (20) that controls the compressor (5). Moreover, in line (2) the suction is ensured by at least one device (21, 22) to detect amounts of non-gaseous fluid medium in the fluid to be compressed, on their way to the entrance to compressor (5), and detection device (21, 22) is connected to management block (20) ensuring signal transmission, and compressor unit (1) contains dissolution unit (30), which dissolves the amount of non-gas on its way to the entrance of compressor (5), while the dissolution is initiated when the amount of detected non-gaseous fluid exceeds a certain limit.EFFECT: any damage caused by a number of non-gaseous fluid into the suction inlet to the compressor is excluded.7 cl, 1 dwg

Electric fan set with improved cooling // 2453967
FIELD: electric engineering.SUBSTANCE: invention relates to electric engineering, namely - to electric machines, and deals with the specific features of fixing elements design for electric motors, particularly, fan sets intended for heating, ventilation and/or air-conditioning plants. This invention proposes a device (40) for fixing electric motor (16) containing accommodating seat (41) for motor installation with a wall (42). According to the invention, the device (40) for fixing electric motor (16) implemented so that the first (18A) and second (18B) air pumping element can be rotated. The air pumping element includes accommodating seat (41) to install electric motor (16) and a wall (42). Besides, the obstructing elements (60, 62; 72, 74, 76; 80) are placed between the electric motor (16) and accommodating seat (41) wall (42). The obstructing elements are implemented so that they can obstruct air flowing between electric motor (16) and wall (42) of accommodating seat and air flow be redirected through electric motor (16).EFFECT: improved cooling of electric motor and ensured control of different heating, ventilation and/or air conditioning equipment parameters.21 cl, 9 dwg

Fan unit // 2355916
FIELD: ventilation.SUBSTANCE: invention relates to fan engineering and can be used as a component of space technology temperature control systems. The technical result is achieved by a fan unit comprising a casing including a cylindrical boring and two flanges with axial holes, two bushes are coaxial to the casing and connected to it by piers; an electric motor is set in each bush and its shaft is equipped by an impeller set inside the cylindrical boring. The casing consists of two parts; the first flange is fitted at the end face of the first casing part and the second one - of the second casing part. A bush with piers is placed in each casing part; the first flange is fitted with threaded holes; the flanges are contacting with each other and interconnected by screws screwed into the threaded holes and passing through the axial holes of the second flange with the screw heads being placed on the second flange side; the outer surface of the first casing part is cylindrical along the section from its free end face to the first flange and the first flange axial holes are projecting beyond the second flange outline.EFFECT: ensuring repairability and increasing variety of the fan unit assembly patterns.1 dwg

Centrifugal compressing device // 2304233
FIELD: non-positive-displacement pumps.SUBSTANCE: centrifugal compressing device comprises engine (50) that set rotor (52) in rotation and at least one compressor that has housing of the stator and a set of wheels provided with blades (56) mounted on the driven shaft that is set in rotation inside the housing of the stator. The motor is mounted in pressure-tight crank case (86). The compressing device additionally has a set of active guiding axial and radial bearings (60), (62), (64), (66), and (67) of the rotor and driven shaft and means for cooling engine and guiding bearings by means of sucking gas supplied by the compressor at the outlet of the first compression stage. The cooling means have a set of inner pipelines (80-1), (80-2), (80-3), (80-4), (80-5) and (80-6) that supply cooling gas to the engine and bearings. The flow rate of the cooling gas supplied to the engine differs from that of the cooling gas supplied to the bearings and flow together upstream of the first compression stage .EFFECT: enhanced reliability.

Plenum duct type ventilating system // 2290568
FIELD: in-flow ventilating systems.SUBSTANCE: ventilating system includes ventilating unit 1, radiator unit 2, filtering unit 3 and distributing unit 4. Unit 1 includes main and reserve radial fans 6, 7 having inlet manifolds 8, impellers 9 with main and covering discs 11, 12, radial blades 10 and converging gap between manifold 8 and disc 12. Fans 6, 7 are separated by partition 17 in housing 16 for forming vortex cavities between manifold 8 and disc 12 and ducts 19. Vortex suppressing plates are mounted in said cavities. Surface area of cross sections of ducts 19. Surface area and diameter of impeller 9, distance between one wall 18 and blades 10 are mutually related by predetermined relations. When flow is directed to duct 19 of fans 6 or 7 by means of flaps 25 arranged in unit 4 or valves, it is possibly to perform maintenance of system without interrupting its operation.EFFECT: reduced size, improved comfort of maintenance of system.17 cl, 13 dwg
Self-contained gas-transfer energy complex of gas mains // 2256821
FIELD: natural gas transportation mains.SUBSTANCE: invention relates to gas-transfer energy complexes used for increasing pressure of natural gas transported along gas mains. Novelty in proposed self-contained gas-transfer energy complex of gas mains including at least one compressor station with at least one centrifugal gas charger driven by electric motor is that proposed complex contains power plant consisting of at least power turbine unit including turbine and multiple turbogenerator (with two or more pairs of poles) with common shaftline installed on magnetic supports. Leads of turbogenerator stator winding are electrically connected directly with ins of electric motor stator winding, and electric motor with gas charger have common shaftline installed on magnetic supports. Rated speed of shaftline is set equal to rated speed of gas charger, and rated output voltage frequency of turbogenerator ftg is equal to nch · pm/60 where nch is speed of shaftline of electric motor and charger, pm is number of pairs of electric motor poles, and number of pairs of poles ptg of turbogenerator is 60, ftg/ntg where ntg is speed of shaftline of turbine and turbogenerator. Proposed invention provides self-contained operation of complex with remote control. Groups of turbine-generator and charger and drive are simplified in design, power loses for production and transmission of energy and electric drive are brought to minimum.EFFECT: increased efficiency as compared with known systems.7 cl

The fan // 2241860
The invention relates to ventilyatorostroeniya and can be used as part of systems management products aviation and rocketry

The fan // 2194883

The fan cooling system of the power plant // 2187024
The invention relates to ventilation systems cooling (CO) power plants with open air tract, a feature of which is the lack of conditions for the axisymmetric flow of air entering the impeller ventilation unit (WU) and sufficient power pack offices (MTO) to build a full-profile devices release air to the atmosphere

Axial fan // 2184274
The invention relates to electrical engineering and ventilyatorostroeniya, namely the production of axial fans and fan installations, in which the motor and the fan are combined in a single unit with the formation of the combined unit is called an electric fan

Adjustable fan air cooler // 2183290
The invention relates to ventilator settings variable performance and provides reliable and rigid positioning of the blades of the impeller, ease of adjustment, the possibility of local, remote and automatic control of the position of the blades by changing the angle of inclination when the fan stops or during rotation

Fan // 2176332
The invention relates to a fan used to circulate air in the refrigeration compartment of the refrigerator, and ensures safe operation and reduce the cost of installation

Duplicate fan // 2174195
The invention relates to ventilyatorostroeniya and can be used in the composition of thermal control systems upper stages by reducing the axial size and weight and simplify the design

The fan // 2170856
The invention relates to ventilyatorostroeniya and can be used as part of systems management products aviation and rocketry

Wave fan // 2161271
The invention relates to the field of Aerohydrodynamics, namely the fans

Duplicate fan // 2150031
The invention relates to ventilyatorostroeniya and can be used in the composition of thermal control systems

Electric fan // 2148193
The invention relates to ventilyatorostroeniya, namely to electric fans are used for cooling internal combustion engines of vehicles, and improves the efficiency of the electric fan and reduce the noise at work

Axial fan // 2098936

Fan // 2029137

Axial fan // 2011890
The invention relates to ventilyatorostroeniya and can be used in the composition of thermal control systems

The fan // 2009376
 
2551215.
Up!