CN104481890A - Hydrodynamic driving pump - Google Patents
Hydrodynamic driving pump Download PDFInfo
- Publication number
- CN104481890A CN104481890A CN201410798852.XA CN201410798852A CN104481890A CN 104481890 A CN104481890 A CN 104481890A CN 201410798852 A CN201410798852 A CN 201410798852A CN 104481890 A CN104481890 A CN 104481890A
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- pump housing
- impeller cavity
- fluid
- transmission shaft
- driving wheel
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Abstract
The invention discloses a hydrodynamic driving pump. The hydrodynamic driving pump is characterized by comprising a driving device, a driven device, a transmission shaft, a supporting bearing and a bearing sleeve; the middle of the transmission shaft is connected with the bearing sleeve through the supporting bearing; one end of the transmission shaft is connected with the driving device and the other end of the transmission shaft is connected with the driven device. The hydrodynamic driving pump has the advantages that by the above structure, any other applied power and electric equipment such as a motor, an electric valve and an electric execution mechanism are not required during an integral driving or driven process or an energy synchronous exchange process, the structure is simple and compact, the service life is long, the application is reliable, the energy transmission or conversion efficiency is high, the utilization effect is good and the like. The hydrodynamic driving pump can be widely applied to rotating machinery with fluid serving as a power source, industrial procedures and sea water desalination projects to serve as a recycling device of all kinds of fluid waste energy. A driving wheel and a driven wheel in the hydrodynamic driving pump can also drive a fan.
Description
Technical field
The present invention relates to mechanical engineering pump technical field, specifically a kind ofly drive one other fluid using high-energy fluid as power source or reclaim unnecessary discarded high-energy fluid to drive the fluid dynamic driven pump of the another kind of low energy fluid of supercharging.
Background technique
Up to the present, use fluid to be all independent driving arrangements as the device of power, be such as that the water turbine of power drives electrical power generators by connection set with water, be that the steam turbine of power drives electrical power generators by connection set with gas.In addition, carry out fluid energy at employing mechanical device and reclaim field, reversion pump is extensively adopted to connect with motor as energy recycle device at present, motor drives another water pump again, high-energy fluid unnecessary or discarded on industrial flow utilizes reversion blowback receiving portions energy and the mechanical energy being converted to rotation passes to motor, and the input electric energy to reducing motor reaches the function of energy regenerating.Such driving device equipment all uses in large-scale water power (thermoelectricity) construction project, because of the narrow limitation in the aspects such as its design principle, efficiency, structure and manufacture cost, the fluid drive apparatus for entirety can not be manufactured and designed, therefore be all that the driving machine product different from being divided into two by driving machine carries out manufacture and support the use, and the device of gas-powered and liquid driven can not be general, also namely steam turbine can not use as water turbine, and water turbine can not use as steam turbine.Driven device can not be general, also namely by driver be gas or liquid time, driven mechanism pump impeller or impeller of blower can not be general.
Also not by power engine and the fluid dynamic drive unit (fluid dynamic driven pump) be combined as a whole by driving machine (such as water pump, blower fan).
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of novel structure, compact structure, the fluid dynamic driven pump that easy to use, energy saving, energy conversion efficiency are high are provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of fluid dynamic driven pump, it is characterized in that being provided with drive unit, driven device, transmission shaft, spring bearing and bearing housing, be connected with bearing housing through spring bearing in the middle of described transmission shaft, described transmission shaft one end is connected with drive unit, the other end is connected with driven device, described drive unit comprises driving wheel, drive the pump housing, mechanical sealing parts A, machine envelope axle sleeve A, locking nut A and wear ring A, described driving pump housing center is provided with impeller cavity A and machine sealing chamber A, axle center, described driving pump housing one end is provided with fluid output A, the other end is fixedly connected with bearing housing, described driving pump housing radial direction is provided with fluid input A, the fluid input A of the described driving pump housing is connected with fluid output A through impeller cavity A, fixed cover organic envelope axle sleeve A on transmission shaft in the machine sealing chamber A of the described driving pump housing, transmission shaft in the impeller cavity A of the described driving pump housing is provided with driving wheel, described driving wheel is fixed on transmission shaft through locking nut A, described machine envelope axle sleeve A is provided with mechanical sealing parts A, described machine envelope axle sleeve A one end is fixedly connected with driving wheel, the other end is connected with spring bearing, described driven device comprises by driving wheel, the passive pump housing, mechanical sealing parts B, machine envelope axle sleeve B, locking nut B and wear ring B, described passive pump housing center is provided with impeller cavity B and machine sealing chamber B, axle center, described passive pump housing one end is provided with fluid input B, the other end is fixedly connected with bearing housing, described passive pump housing radial direction is provided with fluid output B, the fluid input B of the described passive pump housing is connected with fluid output B through impeller cavity B, fixed cover organic envelope axle sleeve B on transmission shaft in the machine sealing chamber B of the described passive pump housing, transmission shaft in the impeller cavity B of the described passive pump housing is provided with by driving wheel, describedly be fixed on transmission shaft by driving wheel through locking nut B, described machine envelope axle sleeve B is provided with mechanical sealing parts B, described machine envelope axle sleeve B one end is fixedly connected with by driving wheel, the other end is connected with spring bearing, by drive unit of the present invention with driven device in conjunction with as a whole, make driving power by high energy gas (as pressure energy, the air of speed kinetic energy, water vapour and other gas) or energized fluid (as pressure energy, speed kinetic energy, the clear water of high potential energy, seawater and other liquid) as power source, by the fluid matasomatism containing energy in driving wheel, driving wheel converts the high-energy of fluid the moment of torsion of mechanical energy-transmission shaft to, thus drive transmission shaft to rotate, transmission shaft drives simultaneously and is carried out synchronous rotary by driving wheel in driven device, high-octane fluid is become by driving fluid (liquid or gas) by driven device by low-energy, thus synchronous realization drives and driven process, that is complete energy interchange or the energy regenerating of two kinds of fluids.
Driving wheel of the present invention and be by wheel hub respectively by driving wheel, front shroud, back shroud and blade are formed, described front shroud and back shroud center are separately fixed at wheel hub two ends, between front shroud and back shroud, Circle-Array shows at least three blades, described blade is that involute in form is fixed, and described blade according to the spatial flow rule of water movement from inside to outside by water absorbing section, collection section and compressed water section are formed, the lower streamline of described blade extends according to the curved abduction gradually of the flowing law of water, upper streamline then according to the flowing law of water relatively descend streamline gradually curved adduction back, and the depth of transverse section of described blade by water absorbing section to collection section, compressed water section gradually transition reduces, the section arc of the transverse section of described blade by water absorbing section to collection section, compressed water section gradually transition increases, blade is made to form spatial warping arc shape, be beneficial to by driving wheel with by the suction chamber of driving wheel water inlet, liquid be introduced, according to flow velocity and the motion change of liquid, make the water absorbing section of liquid runs down blade, the spatial warping arc shape of collection section and compressed water section screws out, due to fluid, resistance loss is little at the volley, the complex space characteristics of motion of the particle of realistic fluid, substantially increase the energy transfer and conversion efficiency of current.
The present invention can be provided with cooling chamber in the bearing bore outside of described bearing housing, and described cooling chamber is imported and exported through cooling liquid and is communicated with outer low temperature fluid-phase, is beneficial to synchronously cool mechanical sealing parts and spring bearing.
The present invention also the driving pump housing between described impeller cavity A and machine sealing chamber A can be provided with sealing water hole A, described drive hub is axially arranged with balance water hole A, A one end, described sealing water hole is connected with impeller cavity A, the other end is connected with machine sealing chamber A, and described machine sealing chamber A is connected with impeller cavity A through balance water hole A; The passive pump housing between described impeller cavity B and machine sealing chamber B is provided with sealing water hole B, described driving wheel hub is axially arranged with balance water hole B, B one end, described sealing water hole is connected with impeller cavity B, the other end is connected with machine sealing chamber B, described machine sealing chamber B is connected with impeller cavity B through balance water hole B, to reach the effect of balance machine sealing chamber and impeller cavity pressure, ensure the sealability of mechanical sealing parts.
The present invention also can be provided with outage A bottom the impeller cavity A driving the pump housing, described outage A is tightly connected through discharge opeing flange, be provided with outage B bottom the impeller cavity B of the passive pump housing, described outage B is tightly connected through discharge opeing flange B, is beneficial to the fluid getting rid of bottom.
The present invention is owing to adopting said structure, in whole driving or driven process or in the handshaking process of energy, without any need for other additionaling power and consumer as motor, electric valve and electric actuator etc., have that structure is simple, compact, long service life, application be reliable, energy transferring or conversion efficiency high, the advantages such as using effect is good.The present invention can extensive use with by fluid as in the rotating machinery of power source, in industrial flow and in Seawater Desalination Project, as the recovering device of various fluid discarded energy.Driving wheel in the present invention and also can be driven blower fan by driving wheel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is driving wheel and/or the structural representation by driving wheel Leaf in the present invention.
The structural representation of Fig. 3 centre bearer bush of the present invention.
Reference character: transmission shaft 1, spring bearing 2 and bearing housing 3 driving wheel 4, drive the pump housing 5, mechanical sealing parts A6, machine envelope axle sleeve A7, locking nut A8 and wear ring A9 impeller cavity A10 and machine sealing chamber A11 fluid output A12 fluid input A13 is by driving wheel 14, the passive pump housing 15, mechanical sealing parts B16, machine envelope axle sleeve B17, locking nut B18 and wear ring B19 impeller cavity B20 and machine sealing chamber B21 fluid input B22 fluid output B23 water absorbing section 24, streamline 28 on collection section 25 and compressed water section 26 times streamlines 27.Cooling chamber 29 cooling liquid is imported and exported 30 sealing water hole A31 and is balanced water hole A32 sealing water hole B33 balance water hole B34 outage A35 through discharge opeing flange 36 outage B37 through discharge opeing flange B38 support 39
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of fluid dynamic driven pump, it is characterized in that being provided with drive unit, driven device, transmission shaft 1, spring bearing 2 and bearing housing 3, be connected with bearing housing 3 through spring bearing 2 in the middle of described transmission shaft 1, described transmission shaft 1 one end is connected with drive unit, the other end is connected with driven device, described drive unit comprises driving wheel 4, drive the pump housing 5, mechanical sealing parts A6, machine envelope axle sleeve A7, locking nut A8 and wear ring A9, the described driving pump housing 5 center is provided with impeller cavity A10 and machine sealing chamber A11, axle center, the described driving pump housing 5 one end is provided with fluid output A12, the other end is fixedly connected with bearing housing 3, the described driving pump housing 5 radial direction is provided with fluid input A13, the fluid input A13 of the described driving pump housing 5 is connected with fluid output A12 through impeller cavity A10, fixed cover organic envelope axle sleeve A7 on transmission shaft 1 in the machine sealing chamber A11 of the described driving pump housing 5, transmission shaft 1 in the impeller cavity A10 of the described driving pump housing 5 is provided with driving wheel 4, described driving wheel 4 is fixed on transmission shaft 1 through locking nut A8, described machine envelope axle sleeve A7 is provided with mechanical sealing parts A6, described machine envelope axle sleeve A7 one end is fixedly connected with driving wheel 4, the other end is connected with spring bearing 2, described driven device comprises by driving wheel 14, the passive pump housing 15, mechanical sealing parts B16, machine envelope axle sleeve B17, locking nut B18 and wear ring B19, the described passive pump housing 15 center is provided with impeller cavity B20 and machine sealing chamber B21, axle center, the described passive pump housing 15 one end is provided with fluid input B22, the other end is fixedly connected with bearing housing 3, the described passive pump housing 15 radial direction is provided with fluid output B23, the fluid input B22 of the described passive pump housing 15 is connected with fluid output B23 through impeller cavity B20, fixed cover organic envelope axle sleeve B17 on transmission shaft 1 in the machine sealing chamber B21 of the described passive pump housing 15, transmission shaft 1 in the impeller cavity B20 of the described passive pump housing 15 is provided with by driving wheel 14, describedly be fixed on transmission shaft 1 by driving wheel 14 through locking nut B18, described machine envelope axle sleeve B17 is provided with mechanical sealing parts B16, described machine envelope axle sleeve B17 one end is fixedly connected with by driving wheel 14, the other end is connected with spring bearing 2, by drive unit of the present invention with driven device in conjunction with as a whole, make driving power by high energy gas (as pressure energy, the air of speed kinetic energy, water vapour and other gas) or energized fluid (as pressure energy, speed kinetic energy, the clear water of high potential energy, seawater and other liquid) as power source, by the fluid matasomatism containing energy in driving wheel, driving wheel converts the high-energy of fluid the moment of torsion of mechanical energy-transmission shaft to, thus drive transmission shaft to rotate, transmission shaft drives simultaneously and is carried out synchronous rotary by driving wheel in driven device, high-octane fluid is become by driving fluid (liquid or gas) by driven device by low-energy, thus synchronous realization drives and driven process, that is complete energy interchange or the energy regenerating of two kinds of fluids.
Driving wheel 4 of the present invention and be by wheel hub respectively by driving wheel 14, front shroud, back shroud and blade are formed, described front shroud and back shroud center are separately fixed at wheel hub two ends, between front shroud and back shroud, Circle-Array shows at least three blades, described blade is that involute in form is fixed, and described blade according to the spatial flow rule of water movement from inside to outside by water absorbing section 24, collection section 25 and compressed water section 26 are formed, the lower streamline 27 of described blade extends according to the curved abduction gradually of the flowing law of water, upper streamline 28 then according to the flowing law of water relatively descend streamline gradually curved adduction back, and the depth of transverse section of described blade by water absorbing section 24 to collection section 25, compressed water section 26 gradually transition reduces, the section arc of the transverse section of described blade by water absorbing section to collection section, compressed water section gradually transition increases, blade is made to form spatial warping arc shape, be beneficial to by driving wheel 4 with by the suction chamber of driving wheel 14 water inlet, liquid be introduced, according to flow velocity and the motion change of liquid, make the water absorbing section of liquid runs down blade, the spatial warping arc shape of collection section and compressed water section screws out, due to fluid, resistance loss is little at the volley, the complex space characteristics of motion of the particle of realistic fluid, substantially increase the energy transfer and conversion efficiency of current.
The present invention can be provided with cooling chamber 29 in the bearing bore outside of described bearing housing 3, and described cooling chamber 29 is imported and exported 30 through cooling liquid and is communicated with outer low temperature fluid-phase, is beneficial to synchronously cool mechanical sealing parts A6, mechanical sealing parts B16 and spring bearing 2.
The present invention also the driving pump housing 5 between described impeller cavity A10 and machine sealing chamber A11 can be provided with sealing water hole A31, described driving wheel 4 hub is axially arranged with balance water hole A32, A31 one end, described sealing water hole is connected with impeller cavity A10, the other end is connected with machine sealing chamber A11, and described machine sealing chamber A11 is connected with impeller cavity A10 through balance water hole A32; The passive pump housing 15 between described impeller cavity B20 and machine sealing chamber B21 is provided with sealing water hole B33, described driving wheel 14 wheel hub is axially arranged with balance water hole B34, B34 one end, described sealing water hole is connected with impeller cavity B20, the other end is connected with machine sealing chamber B21, described machine sealing chamber B21 is connected with impeller cavity B20 through balance water hole B34, to reach the effect of balance machine sealing chamber B20 and impeller cavity B21 pressure, ensure the sealability of mechanical sealing parts.
The present invention also can be provided with outage A35 bottom the impeller cavity A10 driving the pump housing 5, described outage A35 is tightly connected through discharge opeing flange 36, outage B37 is provided with bottom the impeller cavity B20 of the passive pump housing 15, described outage B37 is tightly connected through discharge opeing flange B38, is beneficial to the fluid getting rid of bottom.
Working principle of the present invention: the present invention operationally, the present invention can be fixed on support 39, driving power can by high energy gas (with pressure energy, the air of speed kinetic energy, water vapour and other gas) or energized fluid (with pressure energy, speed kinetic energy, the clear water of high potential energy, seawater and other liquid) as power source, containing high-octane fluid matasomatism in drive unit, enter in impeller cavity A10 through the fluid input A13 of the driving pump housing 5 of drive unit, energized fluid or gas-powered driving wheel 4 rotate, the high-energy of fluid is made to convert the moment of torsion of mechanical energy-axle to, thus drive transmission shaft 1 to rotate, transmission shaft 1 drives the driven device of the other end to carry out synchronous rotary simultaneously, by low-energy need supercharging entered in impeller cavity B20 by driving fluid by the fluid input B22 of the axis direction of the passive pump housing 15 of driven device, and by liquid or gas being introduced by the suction chamber of driving wheel 14 water inlet in impeller cavity B20, according to flow velocity and the motion change of liquid or gas, make the water absorbing section 24 of liquid runs down blade, the spatial warping arc shape of collection section 25 and compressed water section 26 screws out and after doing work, flow in technological process through high-energy fluid outlet B23 again, thus become high-octane fluid, due to fluid, resistance loss is little at the volley, the complex space characteristics of motion of the particle of realistic fluid, substantially increase the energy transfer and conversion efficiency of current, thus realize the energy a kind of energy transferring of fluid being converted to one other fluid, also namely realizing with a kind of fluid is that power-driven pump (or blower fan) carries the function with supercharging one other fluid, reach the energy interchange (or energy regenerating) of two kinds of fluids, the present invention is in whole driving or driven process or in energy exchange processes, without any need for other additionaling power and consumer as motor, electric valve and electric actuator or unnecessary connection and transmission device etc., simple and compact for structure, long service life, application are reliable, energy transferring or conversion efficiency high, using effect is good, can extensive use with by fluid as in the rotating machinery of power source, in industrial flow and in Seawater Desalination Project, the recovering device of rich as various fluid in discarded energy, in conversion process of energy, when there being side's working medium to be high temperature fluid, bearing part is outside owing to being provided with cooling cavities, accessible outer low temperature fluid or to pass in cavity as cooling medium by the side's cryogen in work cools mechanical seal and bearing simultaneously, in running, the driving pump housing 5 between described impeller cavity A10 and machine sealing chamber A11 is provided with sealing water hole A31, described driving wheel 4 hub is axially arranged with balance water hole A32, A31 one end, described sealing water hole is connected with impeller cavity A10, the other end is connected with machine sealing chamber A11, described machine sealing chamber A11 is connected with impeller cavity A10 through balance water hole A32, the passive pump housing 15 between described impeller cavity B20 and machine sealing chamber B21 is provided with sealing water hole B33, described driving wheel 14 wheel hub is axially arranged with balance water hole B34, B34 one end, described sealing water hole is connected with impeller cavity B20, the other end is connected with machine sealing chamber B21, described machine sealing chamber B21 is connected with impeller cavity B20 through balance water hole B34, ensure that the pressure balance balancing machine sealing chamber A, impeller cavity A and balance machine sealing chamber B, impeller cavity B, substantially increase the sealability of mechanical sealing parts.
The present invention is owing to adopting said structure, in whole driving or driven process or in the handshaking process of energy, without any need for other additionaling power and consumer as motor, electric valve and electric actuator etc., have that structure is simple, compact, long service life, application be reliable, energy transferring or conversion efficiency high, the advantages such as using effect is good.The present invention can extensive use with by fluid as in the rotating machinery of power source, in industrial flow and in Seawater Desalination Project, as the recovering device of various fluid discarded energy.Driving wheel in the present invention and also can be driven blower fan by driving wheel.
Claims (5)
1. a fluid dynamic driven pump, it is characterized in that being provided with drive unit, driven device, transmission shaft, spring bearing and bearing housing, be connected with bearing housing through spring bearing in the middle of described transmission shaft, described transmission shaft one end is connected with drive unit, the other end is connected with driven device, described drive unit comprises driving wheel, drive the pump housing, mechanical sealing parts A, machine envelope axle sleeve A, locking nut A and wear ring A, described driving pump housing center is provided with impeller cavity A and machine sealing chamber A, axle center, described driving pump housing one end is provided with fluid output A, the other end is fixedly connected with bearing housing, described driving pump housing radial direction is provided with fluid input A, the fluid input A of the described driving pump housing is connected with fluid output A through impeller cavity A, fixed cover organic envelope axle sleeve A on transmission shaft in the machine sealing chamber A of the described driving pump housing, transmission shaft in the impeller cavity A of the described driving pump housing is provided with driving wheel, described driving wheel is fixed on transmission shaft through locking nut A, described machine envelope axle sleeve A is provided with mechanical sealing parts A, described machine envelope axle sleeve A one end is fixedly connected with driving wheel, the other end is connected with spring bearing, described driven device comprises by driving wheel, the passive pump housing, mechanical sealing parts B, machine envelope axle sleeve B, locking nut B and wear ring B, described passive pump housing center is provided with impeller cavity B and machine sealing chamber B, axle center, described passive pump housing one end is provided with fluid input B, the other end is fixedly connected with bearing housing, described passive pump housing radial direction is provided with fluid output B, the fluid input B of the described passive pump housing is connected with fluid output B through impeller cavity B, fixed cover organic envelope axle sleeve B on transmission shaft in the machine sealing chamber B of the described passive pump housing, transmission shaft in the impeller cavity B of the described passive pump housing is provided with by driving wheel, describedly be fixed on transmission shaft by driving wheel through locking nut B, described machine envelope axle sleeve B is provided with mechanical sealing parts B, described machine envelope axle sleeve B one end is fixedly connected with by driving wheel, the other end is connected with spring bearing.
2. a kind of fluid dynamic driven pump according to claim 1, it is characterized in that described driving wheel and be by wheel hub respectively by driving wheel, front shroud, back shroud and blade are formed, described front shroud and back shroud center are separately fixed at wheel hub two ends, between front shroud and back shroud, Circle-Array shows at least three blades, described blade is that involute in form is fixed, and described blade according to the spatial flow rule of water movement from inside to outside by water absorbing section, collection section and compressed water section are formed, the lower streamline of described blade extends according to the curved abduction gradually of the flowing law of water, upper streamline then according to the flowing law of water relatively descend streamline gradually curved adduction back, and the depth of transverse section of described blade by water absorbing section to collection section, compressed water section gradually transition reduces, the section arc of the transverse section of described blade by water absorbing section to collection section, compressed water section gradually transition increases, blade is made to form spatial warping arc shape.
3. a kind of fluid dynamic driven pump according to claim 1, is characterized in that the bearing bore outside of described bearing housing is provided with cooling chamber, and described cooling chamber is imported and exported through cooling liquid and is communicated with outer low temperature fluid-phase.
4. a kind of fluid dynamic driven pump according to claim 1, it is characterized in that the driving pump housing between described impeller cavity A and machine sealing chamber A is provided with sealing water hole A, described drive hub is axially arranged with balance water hole A, A one end, described sealing water hole is connected with impeller cavity A, the other end is connected with machine sealing chamber A, and described machine sealing chamber A is connected with impeller cavity A through balance water hole A; The passive pump housing between described impeller cavity B and machine sealing chamber B is provided with sealing water hole B, described driving wheel hub is axially arranged with balance water hole B, B one end, described sealing water hole is connected with impeller cavity B, and the other end is connected with machine sealing chamber B, and described machine sealing chamber B is connected with impeller cavity B through balance water hole B.
5. a kind of fluid dynamic driven pump according to claim 1, outage A is provided with bottom the impeller cavity A that it is characterized in that the described driving pump housing, described outage A is tightly connected through discharge opeing flange, be provided with outage B bottom the impeller cavity B of the passive pump housing, described outage B is tightly connected through discharge opeing flange B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798852.XA CN104481890B (en) | 2014-12-22 | 2014-12-22 | Fluid dynamic driven pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798852.XA CN104481890B (en) | 2014-12-22 | 2014-12-22 | Fluid dynamic driven pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104481890A true CN104481890A (en) | 2015-04-01 |
| CN104481890B CN104481890B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410798852.XA Active CN104481890B (en) | 2014-12-22 | 2014-12-22 | Fluid dynamic driven pump |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111325A (en) * | 1994-06-16 | 1995-11-08 | 龚冬柏 | Double water pump |
| CN101684820A (en) * | 2008-09-28 | 2010-03-31 | 湖北三六一一机械厂 | Hydraulic centrifugal and submersible pump |
| CN103216451A (en) * | 2013-05-03 | 2013-07-24 | 南京信诚艾尔克工业灭火设备制造有限公司 | Water-power-driving centrifugal pump |
| CN103352855A (en) * | 2013-06-20 | 2013-10-16 | 江苏大学 | Novel hydrodynamic turbine pump free of shaft seal structure |
| RU2511967C1 (en) * | 2013-04-22 | 2014-04-10 | Открытое акционерное общество "ЭНТЕХНО" | Turbo-pump unit, and cold, hot and industrial water pumping method |
-
2014
- 2014-12-22 CN CN201410798852.XA patent/CN104481890B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111325A (en) * | 1994-06-16 | 1995-11-08 | 龚冬柏 | Double water pump |
| CN101684820A (en) * | 2008-09-28 | 2010-03-31 | 湖北三六一一机械厂 | Hydraulic centrifugal and submersible pump |
| RU2511967C1 (en) * | 2013-04-22 | 2014-04-10 | Открытое акционерное общество "ЭНТЕХНО" | Turbo-pump unit, and cold, hot and industrial water pumping method |
| CN103216451A (en) * | 2013-05-03 | 2013-07-24 | 南京信诚艾尔克工业灭火设备制造有限公司 | Water-power-driving centrifugal pump |
| CN103352855A (en) * | 2013-06-20 | 2013-10-16 | 江苏大学 | Novel hydrodynamic turbine pump free of shaft seal structure |
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| Publication number | Publication date |
|---|---|
| CN104481890B (en) | 2016-03-02 |
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