Hydrojet unit

FIELD: power industry.

SUBSTANCE: hydrojet unit contains water conduit as system of channels with input water intake holes, vertical side walls and horizontal curved walls in channels cross-section. Water conduit is divided into two or more cascades and in each cascade there are systems getting narrower along flow direction of channels. Each further cascade has bigger height. Side walls of each conduit cascade are made with front and rear edges bevelled along the flow direction. Each conduit cascade has upper and lower outside channels, at least one upper inner channel, one lower inner channel and one central channel. At each side wall of cascades there vertical chambers formed by concave plates along rear edge of vertical side walls.

EFFECT: invention allows improvement of hydrojet unit efficiency at conversion of roll and pitch energy of a ship into hydraulic-jet energy.

3 dwg

 

The invention relates to a device for converting wave energy, in particular for the conversion of energy fluctuations of the vessel in hydro jet energy, including during storm conditions with simultaneous decrease of pitching hydro jet device together with the device on which it is installed, for example a vessel.

A device for reducing the speed of drift of the vessel containing located in the forward Bulba symmetrically with respect to the median plane of the ship vertical input channels connected through swivel knees with the corresponding horizontal output channels to generate when the rolling of the ship keel traction force, which reduces the drift velocity of the vessel (see patent RU No. 2184047, 27.06.2002).

This device allows you to use the energy of the waves only in roll, pitch and which limits its capabilities.

Closest to the invention to the technical essence and the achieved result is hydro jet device containing made in the forward Bulba vessel conduit in which there is a means of converting mechanical energy pitching of the ship on the wave in hydro jet energy (see patent RU No. 2338088, CL F03B 13/14, 10.11.2008).

This device creates a hydro jet force. However, this device does not fully uses energy waves during its conversions is the training in hydro jet energy.

Task to be solved by the present invention is directed, is more than the full energy of the keel and heave, when water runs on the device at an angle to its longitudinal axis.

The technical result achieved by the invention is to improve the efficiency of its use in the conversion of wave energy in hydro jet energy.

This problem is solved and the technical result is achieved due to the fact that the hydro jet device comprises a conduit, made in the form of arranged symmetrically about its longitudinal axis system of channels with input intake holes, vertical side walls, common to all channels and a horizontal cross-section of the channels curved walls forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy, the conduit is divided into at least two cascade, each of which is formed symmetrically relative to its longitudinal axis system of channels with input intake holes, vertical side walls common to all channels and a horizontal cross-section of the channels curved walls forming a narrowing in the course of the stream nozzle for converting mechanical energy to the AI pitching of the ship in hydro jet energy and on each side of the channels on the outside of the conduit is made of a vertical chamber with an inlet from the front side of the conduit, each subsequent stage is executed by increasing the height of the cascades are interconnected by a flat connecting bars, vertical side walls each cascade conduit is made with beveled along the flow front and rear edges, each of which forms an angle respectively from the entrance to the cascade conduit and exit from the top corners located on the longitudinal axis of the conduit, each stage of the pipeline has upper and lower external channels, at least one internal top and one inside lower channels and one Central channel, and input the intake opening of the Central channel is vertically perpendicular to the longitudinal axis of the conduit, the outer wall of the upper and lower external channels are concave relative to the longitudinal axis of the conduit, the upper and lower walls respectively of the upper and lower inner channel, shared with adjacent channels, respectively, the upper and lower external channels, and top and bottom walls of the Central channel is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe, and the output to the each of the inner channel set flow energizers, made in the form of curved horizontal plates located in the middle section between the curved walls across emerging from the flow channels, and on each side of the cascades on the outside of the conduit is made of a vertical chamber with an entrance hole from the front side of the cascade conduit, with vertical chambers formed along the rear edge of the vertical side walls of each cascade concave plates with the formation of the latter with the side walls of the conduit confused-cone nozzles.

During tests it was found that the execution of the hydro jet device in the form of systems containing water line, separated by at least two cascade, each of which is formed symmetrically relative to its longitudinal axis system of channels with input intake holes, vertical side walls, common to all channels, and a horizontal cross-section of the channels curved walls forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy, and on each side of the channels on the outside of the conduit is made of a vertical chamber with an inlet from the front side of the conduit each subsequent stage is executed at inicialmente height, the cascades are interconnected by a flat connecting bars, vertical side walls each cascade conduit is made with beveled along the flow front and rear edges, each of which forms an angle respectively from the entrance to the cascade conduit and exit from the top corners located on the longitudinal axis of the conduit, each stage of the pipeline has upper and lower external channels, at least one inner top and one inside lower channels and one Central channel, and input the intake opening of the Central channel is vertically perpendicular to the longitudinal axis of the conduit, the outer wall of the upper and lower external channels are concave relative to the longitudinal axis of the conduit, the upper and lower walls respectively of the upper and lower inner channel, shared with adjacent channels, respectively, the upper and lower external channels, and top and bottom walls of the Central channel is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe, and the output of each internal channel set flow energizers, made in the form of curved horizontal plates located in the middle section between the curved walls of the transversely extending channel flow,allows full use of the energy of the waves lapping on the device stream to convert them energy in hydro jet energy.

Install on each side of the conduit from its external side of the vertical confused with-diffuser profile chambers with the inlet side of the front of the conduit allows the use of emerging given the turbulence of the water jet at the output of these cameras to optimize the conditions of the output streams of water from the water supply in the full cycle of the keel and heave, leaving hydro jet device, to reduce the drift of the vessel "under the wind".

Installed on the ship below the waterline on the spot nasal Bulba hydro jet device enables you to convert the energy of the vertical and pitching of the ship in hydro jet energy, which in turn helps to stabilize the position of the vessel in heavy weather sailing and reduce rocking of the ship. In addition, the device in combination with positive qualities Bulba to reduce the hydraulic resistance to the movement of the vessel converts the energy of pitching in hydro jet energy of a jet of water, which is at the front during the vessel is able to compensate some loss of speed of the vessel in heavy weather against waves without increasing the speed of the screw, which saves fuel consumption in heavy weather sailing.

Figure 1 shows the side view of the hydro jet device.

Figure 2 presents prodol the initial incision hydro jet device.

Figure 3 presents a top view of the hydro jet device.

Hydro jet device comprises a conduit 1 which is divided at least into two cascade 2 (the drawing shows three cascade 2), and each subsequent cascade 2 is increasing in height. Cascades 2 are interconnected by a flat connecting strips 3. The vertical side walls 4 of each cascade 2 water line is made with beveled along the flow front 5 and rear 6 edges, each of which forms an angle respectively from the entrance to the cascade 2 water passage and exit from the top corners located on the longitudinal axis 7 of the conduit. Each cascade 2 formed by the upper 8 and lower 9 external channels, at least one inner top 10 and one inner bottom 11 channels and one Central channel 12. Input the intake hole 13 of the Central channel 12 is vertically perpendicular to the longitudinal axis 7 of the conduit. The outer wall 14 of the upper 8 and lower 9 external channels are concave relative to the longitudinal axis 7 of the conduit. The top 15 and bottom 16 walls respectively of the upper 10 and lower 11 internal channels, shared with adjacent channels, respectively, the upper 8 and lower 9 external channels. The top 17 and bottom 18 walls of the Central channel 12, and the top 15 and bottom of the wall 16, respectively, of the upper 10 and lower 11 internal channels made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe. The output of each of the inner channel 10 and 11 installed energizers 19 flow, made in the form of a curved horizontal plates located in the middle section between the curved walls 15 and 17, respectively, as well as 16 and 18, across emerging from the channels 10 and 11 of the thread. Thus, symmetrically relative to the longitudinal axis 7 of the conduit formed by the pipe system 8, 9, 10, 11 and 12 with the input water holes, vertical side walls 4, total for all channels of each cascade 2, and a horizontal cross-section of the channels 8, 9, 10, 11 and 12 curved walls 14, 15, 16, 17 and 18, forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy. On each side wall 4 of the outer side of the cascades 2 conduit is made of a vertical chamber 20 with an input hole from the front side of the cascades 2 conduit, and a vertical chamber 20 formed along the rear edge of the vertical side walls 4 of each cascade 2 concave plates 21 with the formation of the latter with the side walls 4 of the cascades 2 conduit confused-cone nozzles.

Hydro jet device installed in the fore part of the hull and/or from the stern below the waterline, which allows hydro jet device to implement with the ois possible fluctuations in the vessel in the direction of the vertical axis (up) and angular oscillations around a transverse axis (pitching).

Energy conversion pitching in reactive focus is the result of the filling of the Central channel 12, the internal channels 10 and 11 and external channels 8 and 9 through the intake openings of the water and push the water flows by the pressure of the flow of water through the channels specified stages 2 and output streams of water from the formed channels nozzles in the form of a rectangular pipe with a speed greater than that at the entrance to these channels, and in the opposite direction to the movement of the vessel at the front of the fly, creating a hydrodynamic focusing.

Essentially hydrodynamic device or devices mounted or mounted on the hull of a ship, working as additional hydro jet propulsion, disposing the vibration energy of the mass of the ship in the incident wave and giving the vessel an additional "stop" when moving in forward motion against the waves.

When the vessel is moving forward water (shown by arrows in figure 2), coming in a vertical chamber 20, and accelerates, dripping from them, optimizes the conditions of the output flows from the conduit hydro jet device as in surfacing the boat bow and/or stern (depending on the installation location of the hydro jet device), and when diving due to pitching. Dripping from educated vertical chambers 20 confused-cone nozzles, the output of the latter is the flow along the side walls of the conduit with turbulence specified direction.

As an example of the use of the hydro jet device offers a more detailed description of his work for the version of oscillation of the vessel around the transverse axis (pitching).

When driving the hydro jet device installed in the bow of the vessel, forward and upward in the water column moves hydro jet device forward and up. At the top of the outer channel 8, the upper inner channel 10 and into the Central channel 12 of each cascade 2 intensively receives water. Partially water enters the lower channels 9 and 11.

At the entrance to the channels specified flows are under the pressure of the water lapping on the device and, in addition, in each subsequent cascade 2 after the first under the pressure created by the previous cascade 2.

The pressure of the incoming water provides flow through the above channels 8, 10 and 12, which change in a given direction along the vessel flows of water, as well as creating conditions for passing the flow of water through these channels 8, 10 and 12, forming a tapering rectangular nozzle, to create a owing stream compression higher than at the entrance, the velocity of the flow at the outlet of the hydrodynamic device that allows you to convert the energy of pitching in hydro jet force directed horizontally in the direction of travel of the vessel.

When is the movement of a fore end of the ship forward and down movement mounted on a fore end of the vessel hydro jet device forward and down. In the Central channel 12, and at the bottom of the channels 9 and 11 are intensively fed water. Partially water enters the upper channels 8 and 10. Otherwise, the same processes take place energy conversion pitching in hydro jet energy, as described above.

In addition, hydro jet device, campfire disturbing force that rocks the ship, and counteracting these forces like hydrogenosome, both inside and outside of the hydro jet device is formed of multiple vortices, trying to maintain the position of their axes of rotation, contribute to the stabilization of the position of the ship on course and reduce pitching of the vessel, especially in stormy conditions.

The present invention can be used wherever there is a need to transform wave energy, providing the pitching of the vessel, hydro jet energy producing work to maintain the speed of the vessel at the front of the fly in stormy sailing conditions, primarily in the shipbuilding industry.

Hydro jet device containing a conduit, made in the form of arranged symmetrically about its longitudinal axis system of channels with input intake holes, vertical side walls common to all channels and a horizontal cross-section of the channels curved walls forming a narrowing on the ode flow nozzle for converting mechanical energy pitching of the ship in hydro jet energy characterized in that the conduit is divided at least in two cascades each of which is formed symmetrically relative to its longitudinal axis system of channels with input intake holes, vertical side walls common to all channels and a horizontal cross-section of the channels curved walls forming a narrowing in the course of the stream nozzle to convert the mechanical energy of pitching of the ship in hydro jet energy, and on each side of the channels on the outside of the conduit is made of a vertical chamber with an inlet from the front side of the conduit, each subsequent stage is executed by increasing the height of the cascades are interconnected by a flat connecting slats of the vertical side walls of each cascade conduit is made with beveled along the flow front and rear edges, each of which forms an angle, respectively, on the input side in a cascade of conduit and exit from the top corners located on the longitudinal axis of the conduit, each stage of the pipeline has upper and lower external channels, at least one inner top and one inside the lower channel and the Central channel, and input the intake opening of the Central channel is vertically perpendicular to p is dolinoy axis of the conduit, the outer walls of the upper and lower external channels are concave relative to the longitudinal axis of the conduit, the upper and lower walls, respectively, the upper and lower inner channels shared with adjacent channels, respectively, the upper and lower external channels, and top and bottom walls of the Central channel is made of straight plates with convex relative to the longitudinal axis of the conduit inlet pipe, and the output of each internal channel set flow energizers, made in the form of curved horizontal plates located in the middle section between the curved walls across emerging from the flow channels, and on each side of the cascades with the outer side of the conduit is made of a vertical chamber with an entrance hole from the front side of the cascade conduit, with vertical chambers formed along the rear edge of the vertical side walls of each cascade concave plates with the formation of the latter with the side walls of the conduit confused-cone nozzles.



 

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EFFECT: increasing use efficiency of hydraulic jet device at conversion of wave energy to hydraulic jet energy.

4 dwg

Hydrojet device // 2362045

FIELD: engines and pumps.

SUBSTANCE: invention is related to devices for transformation of waves energy, in particular, for transformation of vessel vibration energy into hydrojet energy. Hydrojet device comprises channel-tube system, lateral right 1 and left 2 walls of device. System consists of fixed straight and profiled plates. It contains the first and second stages of energy transformation. The first stage of energy transformation includes wall 3 of central pipeline 4, wall 5 of internal channel-pipeline, internal channel - pipeline 6, external wall 7 of external channel-pipeline 8. The second stage of transformation includes wall 9 of central pipeline 10, wall 11 of internal channel-pipeline 12, internal channel- pipeline 12 and external wall 13 of external channel-pipeline 14. Central channels 4 and 10 are arranged with inlets 15. Also cutoff plates 16 are installed in channels.

EFFECT: invention makes it possible to use all energy of waves, independently on angle of flow striking at device along its longitudinal axis, which results in higher efficiency of device application during transformation of waves energy into hydrojet energy and stabilisation of vessel position.

2 dwg

FIELD: engineering industry.

SUBSTANCE: invention refers to wave energy conversion devices and is meant for converting ship's vibration energy into hydrojet energy. Device includes a water conduit provided in bow bulb of the ship. Therein arranged is device meant for conversion of mechanical energy into hydrojet one. That device is made in the form of chambers. Chambers are located one above the other in a vertical longitudinal plane of water conduit section and symmetrically relative to its longitudinal axis. Each chamber is provided with an inlet water-intake opening. Walls of chambers form nozzles with outlet openings, which narrow in the flow direction. Hydrojet energy of water jet at the ship's going ahead can compensate some part of lost speed. In order to stabilise ship's position at strong side wind, on each side wall of bulb on its external side there provided is a vertical chamber with an inlet opening from the side of bulb front. Nozzles provided in the flow direction forward the outgoing flow to the sides from external side wall of the bulb, thus creating jet reaction in the direction opposite to direction of ship's transfer. After each vertical chamber in side wall of the bulb there provided are outlet openings of water conduit.

EFFECT: converting ship's vibration energy into hydrojet energy.

2 cl, 3 dwg

Hydrojet device // 2342559

FIELD: motors and pumps.

SUBSTANCE: invention relates to devices for wave energy conversion including vessels swinging energy to hydrojet energy. Device includes water conduit in the shape of chambers (C), which are symmetrical with regard to longitudinal axis of device. Chambers are provided with water intake inlets (I) and curvilinear walls, which are horizontal in cross-section. Walls constrict to nozzles with outlets I. Device includes one central C, two external C and no less than two internal chambers C. All chambers C are rectangular in cross-section. Vertical walls of chambers C are formed by flat horizontal plates (P). Horizontal in cross section C walls C are formed by curvilinear in longitudinal section plates P. Inlets I of external chambers C are located along horizontal walls of rectangular plates P forming vertical walls C. They are directed opposite to each other. Inlets I of internal chambers C are situated at an angle to water conduit longitudinal axis and form obtuse angle together with inlets I of external chambers C in vertical longitudinal cross section. The inlet I of the central C is situated vertically and perpendicular to longitudinal axis and along vertical walls of plant rectangular plates P forming vertical walls of water conduit. The external wall of the external chamber C is made concave with regard to longitudinal axis of water conduit. Curvilinear walls of internal chambers C, which are common with external chamber C consist of smoothly bent plates P with convex section regarding longitudinal section from the side of inlet I and with convex section regarding outlet nozzle I. Two concave curvilinear plates are installed at the inlet part of the central chamber and are symmetrical with regard to longitudinal axis. Curvilinear plate P, which is convex regarding longitudinal axis, is installed at the inlet part of each internal chamber.

EFFECT: improvement of wave energy conversion into hydrojet thrust energy.

2 cl, 2 dwg

FIELD: engines and pumps.

SUBSTANCE: device incorporates water duct arranged in the ship bow bulb housing appliance of converting mechanical energy in hydraulic-jet power representing a set of chambers arranged one above the other in the said water duct lengthwise section and in symmetry with the said duct lengthwise axis. Every chamber incorporates an inlet water-intake hole, the chamber walls forming the nozzles narrowing streamwise and furnished with outlet holes. The proposed device incorporates one central chamber, two external upper and lower chambers and, at least, two internal upper and lower chambers the water duct chamber side walls are formed by the bulb lateral walls. The water duct chamber upper and lower walls represent lengthwise-curvilinear and horizontal-section plates. The central chamber inlet accommodates two concave curvilinear plates arranged in symmetry with the water duct lengthwise axis. The inlet of every internal chamber houses a curvilinear plate concave relative to the water duct lengthwise axis.

EFFECT: conversion of ship heaving and pitching energy into hydraulic-jet power, ship stabilisation in storm.

1 dwg

The invention relates to shipbuilding, namely to ship devices that reduce the drift velocity of the ship through the use of energy pitching

The invention relates to shipbuilding, to devices for providing maneuvering vessels and reduce pitching due to the reaction of the resulting jets

FIELD: engines and pumps.

SUBSTANCE: device incorporates water duct arranged in the ship bow bulb housing appliance of converting mechanical energy in hydraulic-jet power representing a set of chambers arranged one above the other in the said water duct lengthwise section and in symmetry with the said duct lengthwise axis. Every chamber incorporates an inlet water-intake hole, the chamber walls forming the nozzles narrowing streamwise and furnished with outlet holes. The proposed device incorporates one central chamber, two external upper and lower chambers and, at least, two internal upper and lower chambers the water duct chamber side walls are formed by the bulb lateral walls. The water duct chamber upper and lower walls represent lengthwise-curvilinear and horizontal-section plates. The central chamber inlet accommodates two concave curvilinear plates arranged in symmetry with the water duct lengthwise axis. The inlet of every internal chamber houses a curvilinear plate concave relative to the water duct lengthwise axis.

EFFECT: conversion of ship heaving and pitching energy into hydraulic-jet power, ship stabilisation in storm.

1 dwg

Hydrojet device // 2342559

FIELD: motors and pumps.

SUBSTANCE: invention relates to devices for wave energy conversion including vessels swinging energy to hydrojet energy. Device includes water conduit in the shape of chambers (C), which are symmetrical with regard to longitudinal axis of device. Chambers are provided with water intake inlets (I) and curvilinear walls, which are horizontal in cross-section. Walls constrict to nozzles with outlets I. Device includes one central C, two external C and no less than two internal chambers C. All chambers C are rectangular in cross-section. Vertical walls of chambers C are formed by flat horizontal plates (P). Horizontal in cross section C walls C are formed by curvilinear in longitudinal section plates P. Inlets I of external chambers C are located along horizontal walls of rectangular plates P forming vertical walls C. They are directed opposite to each other. Inlets I of internal chambers C are situated at an angle to water conduit longitudinal axis and form obtuse angle together with inlets I of external chambers C in vertical longitudinal cross section. The inlet I of the central C is situated vertically and perpendicular to longitudinal axis and along vertical walls of plant rectangular plates P forming vertical walls of water conduit. The external wall of the external chamber C is made concave with regard to longitudinal axis of water conduit. Curvilinear walls of internal chambers C, which are common with external chamber C consist of smoothly bent plates P with convex section regarding longitudinal section from the side of inlet I and with convex section regarding outlet nozzle I. Two concave curvilinear plates are installed at the inlet part of the central chamber and are symmetrical with regard to longitudinal axis. Curvilinear plate P, which is convex regarding longitudinal axis, is installed at the inlet part of each internal chamber.

EFFECT: improvement of wave energy conversion into hydrojet thrust energy.

2 cl, 2 dwg

FIELD: engineering industry.

SUBSTANCE: invention refers to wave energy conversion devices and is meant for converting ship's vibration energy into hydrojet energy. Device includes a water conduit provided in bow bulb of the ship. Therein arranged is device meant for conversion of mechanical energy into hydrojet one. That device is made in the form of chambers. Chambers are located one above the other in a vertical longitudinal plane of water conduit section and symmetrically relative to its longitudinal axis. Each chamber is provided with an inlet water-intake opening. Walls of chambers form nozzles with outlet openings, which narrow in the flow direction. Hydrojet energy of water jet at the ship's going ahead can compensate some part of lost speed. In order to stabilise ship's position at strong side wind, on each side wall of bulb on its external side there provided is a vertical chamber with an inlet opening from the side of bulb front. Nozzles provided in the flow direction forward the outgoing flow to the sides from external side wall of the bulb, thus creating jet reaction in the direction opposite to direction of ship's transfer. After each vertical chamber in side wall of the bulb there provided are outlet openings of water conduit.

EFFECT: converting ship's vibration energy into hydrojet energy.

2 cl, 3 dwg

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