CN114645853B - Intelligent cooling permanent magnet variable frequency pump - Google Patents
Intelligent cooling permanent magnet variable frequency pump Download PDFInfo
- Publication number
- CN114645853B CN114645853B CN202210275447.4A CN202210275447A CN114645853B CN 114645853 B CN114645853 B CN 114645853B CN 202210275447 A CN202210275447 A CN 202210275447A CN 114645853 B CN114645853 B CN 114645853B
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- China
- Prior art keywords
- cooling
- waterway
- bearing
- variable frequency
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000012809 cooling fluid Substances 0.000 claims abstract description 27
- 238000004146 energy storage Methods 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent cooling permanent magnet variable frequency pump, and belongs to the field of permanent magnet variable frequency pumps. An intelligent cooling permanent magnet variable frequency pump comprises a pump body, a centralized cooling element and a circulating cooling element; the centralized cooling element and the circulating cooling element are both arranged in the pump body, a power element and a bearing element are arranged in the pump body, the power element drives the pump main shaft to rotate, and the bearing element is rotationally connected with the pump main shaft; the centralized cooling element is arranged on the periphery side of the power element and comprises a cooling part, a pressure control part and an energy storage part; the scheme is provided with the concentrated cooling element and the circulating cooling element, the concentrated cooling element is respectively corresponding to the cooling of the permanent magnet variable frequency motor and the bearing, can store water for cooling fluid, then carries out reinforced cooling and heat absorption on the position of the permanent magnet variable frequency motor, and meanwhile, the circulating cooling element is annularly arranged at the circumference of the bearing and can comprehensively cool the bearing.
Description
Technical Field
The invention belongs to the field of permanent magnet variable frequency pumps, and particularly relates to an intelligent cooling permanent magnet variable frequency pump.
Background
The permanent magnet variable frequency pump comprises a pump body and a permanent magnet variable frequency motor, wherein the rotating speed of the motor is changed according to the working condition requirement, the working condition of the pump is regulated by the rotating speed of the motor, and the permanent magnet variable frequency pump is actually a pump driven by the permanent magnet variable frequency motor.
The pump driven by the permanent magnet variable frequency motor generally has the phenomenon of higher temperature, the working efficiency of the permanent magnet variable frequency motor is easy to influence, therefore, normally, a normally open wind power device is arranged at one end of the permanent magnet variable frequency motor for radiating, but the effective cooling area of the wind power device is not large, and the cooling cannot be realized by involving some dead angles which are easy to generate heat, especially sealing parts such as bearings, the cooling is very difficult to realize, when the permanent magnet variable frequency motor is used for a long time, the temperature is difficult to quickly drop, the conventional cooling water flows to take away heat, the cooling effect is often insufficient, and therefore, the permanent magnet variable frequency pump which is easy to generate heat and capable of intelligently cooling is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent cooling permanent magnet variable frequency pump, which is provided with a concentrated cooling element and a circulating cooling element, wherein the concentrated cooling element can store cooling fluid and then perform enhanced cooling and heat absorption on the part of a permanent magnet variable frequency motor, and meanwhile, the circulating cooling element is annularly arranged at the circumference of a bearing and can comprehensively cool the bearing.
The invention relates to an intelligent cooling permanent magnet variable frequency pump, which comprises a pump body, a concentrated cooling element and a circulating cooling element;
The centralized cooling element and the circulating cooling element are both arranged in the pump body, a power element and a bearing element are arranged in the pump body, the power element drives the pump main shaft to rotate, and the bearing element is rotationally connected with the pump main shaft;
The concentrated cooling element is arranged on the periphery of the power element and comprises a cooling part, a pressure control part and an energy storage part, wherein the cooling part is positioned on one side close to the power element, cooling fluid flows through the cooling part, the energy storage part is communicated with the cooling part, the pressure control part is arranged at the circulation position of the cooling part, and the pressure control part controls the cooling fluid to circulate to the energy storage part under the condition that the pressure threshold value is not exceeded;
The circulating cooling element comprises a plurality of guide parts, wherein the guide parts are provided with a plurality of guide parts, and the guide direction of the guide parts is clockwise or anticlockwise.
As a further improvement of the invention, the cooling fluid water inlet of the cooling part is positioned at one end of the pump body, the cooling fluid water outlet of the cooling part is positioned at the other end of the pump body, and a plurality of concentrated cooling parts are arranged in a circumferential array by taking the power element as a center.
As a further improvement of the present invention, the cooling portion includes a cooling water passage, the water inlet includes a water passage inlet communicated with the cooling water passage, the water outlet includes a water passage outlet communicated with the cooling water passage, and a portion of the cooling water passage located on the peripheral side of the power element is a portion closest to the power element.
As a further improvement of the invention, the pressure control part comprises a pressure valve which is arranged in the cooling waterway and is positioned at one side of the energy storage part near the waterway outlet.
As a further improvement of the invention, the energy storage part comprises a push plate, the side wall of the cooling waterway is communicated with a water storage cavity, the push plate is in sliding connection with the side wall of the water storage cavity, the water storage cavity is positioned at the peripheral side of the power element, a thrust spring is fixedly arranged on the side wall of the water storage cavity, one end of the thrust spring is fixedly connected with the push plate, and the thrust of the thrust spring can not push the pressure valve to be opened.
As a further improvement of the invention, the circulating cooling element comprises a bending waterway, the bending waterway is a bending part of the cooling waterway, one end of the bending waterway is one side close to the bearing element, one end of the bending waterway close to the bearing element is communicated with a circulation cavity, the top side of the circulation cavity is communicated with a cooling ring cavity, the cooling ring cavity is annular, the cooling ring cavity is positioned on the peripheral side of the bearing element, a rolling ball is arranged in the cooling ring cavity in a sliding manner, and a temperature sensing device is fixedly arranged in the rolling ball.
As a further improvement of the invention, the guide part comprises a guide plate, a through guide hole is arranged in the guide plate, the diameter of the guide hole is smaller than that of the rolling ball, the guide hole is inclined, and the inclination direction of each guide hole is clockwise or anticlockwise.
As a further improvement of the invention, an impeller cavity and a motor cavity are arranged in the pump body, the pump main shaft comprises a power shaft, the power shaft penetrates through the impeller cavity and the motor cavity, the power element is fixedly arranged in the motor cavity, the power element is fixedly connected with the side wall of the motor cavity and the power shaft respectively, the impeller cavity is positioned at one side of the motor cavity, and an impeller is fixedly arranged on the outer circular surface of one end of the power shaft positioned in the impeller cavity.
As a further improvement of the invention, the bearing element comprises a secondary bearing and a main bearing, the main bearing is positioned near one end of the waterway inlet, the cooling ring cavity is positioned on the periphery of the main bearing, the secondary bearing is positioned near one side of the waterway outlet, one side of each cooling waterway near the waterway outlet is communicated, one side of each cooling waterway near the waterway outlet is simultaneously near the secondary bearing, one end of the pump body provided with the waterway inlet is fixedly provided with a water inlet plug, the top end of the pump body is fixedly provided with a water outlet plug, and the water inlet plug and the water outlet plug are communicated with the impeller cavity.
Compared with the prior art, the invention has the advantages that:
(1) The scheme is provided with a concentrated cooling element and a circulating cooling element, the concentrated cooling element can store water for cooling fluid, then the reinforced cooling and heat absorption are carried out on the position of the permanent magnet variable frequency motor, meanwhile, the circulating cooling element is annularly arranged at the circumference of the bearing, the bearing can be comprehensively cooled, and a guide plate is arranged in the circulating cooling element, so that the cooling fluid always circularly flows towards one direction to stabilize the efficient bearing for cooling.
(2) This scheme promotes the cooperation of push pedal through thrust spring to and the setting of pressure valve, when carrying out the retaining, the pressure valve restriction fluid flows, thereby make fluid promotion push pedal compression spring, with accumulating cooling fluid, simultaneously after the great pressure valve of water pressure opens, the thrust of spring promotes the push pedal slip, thereby can extrude the fluid and go out, promote fluidic discharge, thereby make fluid circulation more quick, the cooling effect obtains further promotion.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the structure at A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B;
Fig. 5 is an enlarged schematic view of the structure of fig. 3C.
The reference numerals in the figures illustrate:
11. A pump body; 12. an impeller cavity; 13. an impeller; 14. a water inlet plug; 15. a water outlet plug; 16. a cooling water path; 17. a motor cavity; 18. a power shaft; 19. a permanent magnet variable frequency motor; 20. bending the waterway; 21. a water storage cavity; 22. a push plate; 23. a thrust spring; 24. a pressure valve; 25. a sub-bearing; 26. a waterway outlet; 27. a waterway inlet; 28. a main bearing; 29. a flow-through chamber; 30. a guide plate; 31. a cooling ring cavity; 32. a rolling ball; 33. and a guide hole.
Detailed Description
First embodiment: referring to fig. 1-5, an intelligent cooling permanent magnet variable frequency pump comprises a pump body 11, a concentrated cooling element and a circulating cooling element;
the concentrated cooling element and the circulating cooling element are both arranged in the pump body 11, a power element and a bearing element are arranged in the pump body 11, the power element drives the pump main shaft to rotate, and the bearing element is rotationally connected with the pump main shaft;
The concentrated cooling element is arranged on the periphery of the power element and comprises a cooling part, a pressure control part and an energy storage part, wherein the cooling part is positioned on one side close to the power element, cooling fluid flows through the cooling part, the energy storage part is communicated with the cooling part, the pressure control part is arranged at the circulation position of the cooling part, and the pressure control part controls the cooling fluid to circulate to the energy storage part under the condition that the pressure threshold value is not exceeded; the cooling fluid water inlet of the cooling part is positioned at one end of the pump body 11, the cooling fluid water outlet of the cooling part is positioned at the other end of the pump body 11, and a plurality of concentrated cooling parts are arranged in a circumferential array with the power element as a center. The cooling part comprises a cooling water channel 16, the water inlet comprises a water channel inlet 27, the water channel inlet 27 is communicated with the cooling water channel 16, the water outlet comprises a water channel outlet 26, the water channel outlet 26 is communicated with the cooling water channel 16, and the part of the cooling water channel 16 positioned on the periphery of the power element is the part closest to the power element. The pressure control part comprises a pressure valve 24, the pressure valve 24 is arranged in the cooling water channel 16, and the pressure valve 24 is arranged on one side of the energy storage part, which is close to the water channel outlet 26. The energy storage portion includes push pedal 22, and the lateral wall intercommunication of cooling water route 16 is equipped with water storage chamber 21, and push pedal 22 and water storage chamber 21 lateral wall sliding connection, and water storage chamber 21 are located power component's week side, and the lateral wall of water storage chamber 21 is fixed to be equipped with thrust spring 23, thrust spring 23's one end and push pedal 22 fixed connection, thrust spring 23's thrust can't promote pressure valve 24 to open.
When the permanent magnet variable frequency motor 19 is started to drive the power shaft 18 to rotate, the permanent magnet variable frequency motor 19, the auxiliary bearing 25 and the main bearing 28 are operated for a long time to easily cause a high temperature condition, so that cooling fluid needs to be injected from the outside into the waterway inlet 27 and flows into the cooling waterway 16, the cooling fluid flows in the cooling waterway 16 and firstly enters into the bending waterway 20, then part of the cooling fluid enters into the circulation cavity 29, the other part of the cooling fluid continuously flows to the water storage cavity 21 side, at the moment, the pressure valve 24 is in a closed state to seal the cooling waterway 16, meanwhile, the cooling fluid is accumulated in the cooling waterway 16 and the water storage cavity 21, and overcomes the thrust force of the thrust spring 23 to drive the push plate 22 to slide in the water storage cavity 21, and then is accumulated in the water storage cavity 21 in a large quantity.
The second embodiment is based on the first embodiment: the circulating cooling element comprises a plurality of guide parts, wherein the guide parts are provided with a plurality of guide parts, and the guide direction of the guide parts is clockwise or anticlockwise. The circulating cooling element comprises a bending waterway 20, the bending waterway 20 is a bending part of the cooling waterway 16, one end of the bending waterway 20 is one side close to the bearing element, one end of the bending waterway 20 close to the bearing element is communicated with a circulation cavity 29, the top side of the circulation cavity 29 is communicated with a cooling ring cavity 31, the cooling ring cavity 31 is annular, the cooling ring cavity 31 is positioned on the periphery side of the bearing element, rolling balls 32 are slidably arranged in the cooling ring cavity 31, and a temperature sensing device is fixedly arranged in the rolling balls 32. The guide part comprises a guide plate 30, a through guide hole 33 is arranged in the guide plate 30, the diameter of the guide hole 33 is smaller than that of the rolling ball 32, the guide hole 33 is inclined, and the inclination direction of each guide hole 33 is clockwise or anticlockwise. The pump body 11 is internally provided with an impeller cavity 12 and a motor cavity 17, the pump main shaft comprises a power shaft 18, the power shaft 18 penetrates through the impeller cavity 12 and the motor cavity 17, a power element is fixedly arranged in the motor cavity 17 and is fixedly connected with the side wall of the motor cavity 17 and the power shaft 18 respectively, the impeller cavity 12 is positioned on one side of the motor cavity 17, and an impeller 13 is fixedly arranged on the outer circular surface of one end of the power shaft 18 positioned in the impeller cavity 12. The bearing element comprises a secondary bearing 25 and a main bearing 28, the main bearing 28 is located at one end close to the waterway inlet 27, the cooling ring cavity 31 is located at the periphery of the main bearing 28, the secondary bearing 25 is located at one side close to the waterway outlet 26, one side of each cooling waterway 16 close to the waterway outlet 26 is communicated, one side of each cooling waterway 16 close to the waterway outlet 26 is simultaneously close to the secondary bearing 25, one end of the pump body 11, which is provided with the waterway inlet 27, is fixedly provided with a water inlet plug 14, the top end of the pump body 11 is fixedly provided with a water outlet plug 15, and the water inlet plug 14 and the water outlet plug 15 are communicated with the impeller cavity 12.
In particular use, the cooling fluid flows in the cooling water channel 16, at this time, a part of the cooling fluid flows into the bending water channel 20 and thus into the circulation cavity 29, at this time, the cooling fluid is guided by the guide holes 33 to be flushed into the cooling ring cavity 31, and flows in the clockwise or counterclockwise direction in the cooling ring cavity 31, the cooling fluid cools the main bearing 28 from the circumferential direction when flowing in the cooling ring cavity 31, the rolling balls 32 roll in the cooling ring cavity 31 synchronously, and the temperature sensing device in the rolling balls 32 can monitor the temperature of the cooling fluid flowing in the cooling ring cavity 31, so that the running environment of the main bearing 28 is prevented from being at high temperature.
Claims (5)
1. An intelligent cooling's permanent magnetism variable frequency pump, its characterized in that: comprises a pump body (11), a concentrated cooling element and a circulating cooling element;
The centralized cooling element and the circulating cooling element are both arranged in the pump body (11), a power element and a bearing element are arranged in the pump body (11), the power element drives the pump main shaft to rotate, and the bearing element is rotationally connected with the pump main shaft;
The concentrated cooling element is arranged on the periphery of the power element and comprises a cooling part, a pressure control part and an energy storage part, wherein the cooling part is positioned on one side close to the power element, cooling fluid flows through the cooling part, the energy storage part is communicated with the cooling part, the pressure control part is arranged at the circulation position of the cooling part, and the pressure control part controls the cooling fluid to circulate to the energy storage part under the condition that the pressure threshold value is not exceeded;
The circulating cooling element comprises a plurality of guide parts, wherein the guide parts are arranged in a plurality of clockwise or anticlockwise directions;
The cooling part comprises a cooling water channel (16), the water inlet comprises a water channel inlet (27), the water channel inlet (27) is communicated with the cooling water channel (16), the water outlet comprises a water channel outlet (26), the water channel outlet (26) is communicated with the cooling water channel (16), and the part of the cooling water channel (16) positioned on the periphery of the power element is the part closest to the power element;
the pressure control part comprises a pressure valve (24), the pressure valve (24) is arranged in the cooling water channel (16), and the pressure valve (24) is positioned at one side of the energy storage part, which is close to the water channel outlet (26);
The energy storage part comprises a push plate (22), a water storage cavity (21) is formed in the side wall of the cooling waterway (16) in a communicating manner, the push plate (22) is slidably connected with the side wall of the water storage cavity (21), the water storage cavity (21) is positioned on the periphery side of the power element, a thrust spring (23) is fixedly arranged on the side wall of the water storage cavity (21), one end of the thrust spring (23) is fixedly connected with the push plate (22), and the thrust of the thrust spring (23) can not push the pressure valve (24) to be opened;
The circulating cooling element comprises a bending waterway (20), the bending waterway (20) is a bending part of the cooling waterway (16), one end of the bending waterway (20) is close to one side of the bearing element, one end of the bending waterway (20) close to the bearing element is communicated with a circulation cavity (29), a cooling ring cavity (31) is arranged on the top side of the circulation cavity (29) in a communicating manner, the cooling ring cavity (31) is annular, the cooling ring cavity (31) is positioned on the periphery side of the bearing element, a rolling ball (32) is arranged in the cooling ring cavity (31) in a sliding manner, and a temperature sensing device is fixedly arranged in the rolling ball (32).
2. An intelligent cooled permanent magnet variable frequency pump according to claim 1, wherein: the cooling fluid water inlet of the cooling part is positioned at one end of the pump body (11), the cooling fluid water outlet of the cooling part is positioned at the other end of the pump body (11), and a plurality of concentrated cooling parts are arranged in a circumferential array with the power element as a center.
3. An intelligent cooled permanent magnet variable frequency pump according to claim 1, wherein: the guide part comprises a guide plate (30), a through guide hole (33) is formed in the guide plate (30), the diameter of the guide hole (33) is smaller than that of the rolling ball (32), the guide hole (33) is inclined, and the inclination direction of each guide hole (33) is clockwise or anticlockwise.
4. An intelligent cooled permanent magnet variable frequency pump according to claim 1, wherein: be equipped with impeller chamber (12) and motor chamber (17) in pump body (11), the pump main shaft includes power shaft (18), power shaft (18) runs through impeller chamber (12) and motor chamber (17), power element is fixed to be located in motor chamber (17), power element respectively with motor chamber (17) lateral wall and power shaft (18) fixed connection, impeller chamber (12) are located one side in motor chamber (17), power shaft (18) are located one end excircle face in impeller chamber (12) and are fixedly equipped with impeller (13).
5. An intelligent cooled permanent magnet variable frequency pump according to claim 1, wherein: the bearing element comprises an auxiliary bearing (25) and a main bearing (28), the main bearing (28) is located near one end of a waterway inlet (27), a cooling ring cavity (31) is located on the periphery of the main bearing (28), the auxiliary bearing (25) is located near one side of a waterway outlet (26), one side of each cooling waterway (16) near the waterway outlet (26) is communicated, one side of each cooling waterway (16) near the waterway outlet (26) is simultaneously near the auxiliary bearing (25), one end of a pump body (11) provided with the waterway inlet (27) is fixedly provided with a water inlet plug (14), the top end of the pump body (11) is fixedly provided with a water outlet plug (15), and the water inlet plug (14) and the water outlet plug (15) are communicated with the impeller cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275447.4A CN114645853B (en) | 2022-03-21 | 2022-03-21 | Intelligent cooling permanent magnet variable frequency pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275447.4A CN114645853B (en) | 2022-03-21 | 2022-03-21 | Intelligent cooling permanent magnet variable frequency pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645853A CN114645853A (en) | 2022-06-21 |
| CN114645853B true CN114645853B (en) | 2024-06-04 |
Family
ID=81996482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210275447.4A Active CN114645853B (en) | 2022-03-21 | 2022-03-21 | Intelligent cooling permanent magnet variable frequency pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114645853B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813196A (en) * | 1981-07-17 | 1983-01-25 | Hitachi Ltd | Feed water means of pump bearing |
| US5151016A (en) * | 1991-12-05 | 1992-09-29 | Her Tser W | Liquid pump responsive to temperature |
| EP1178212A2 (en) * | 2000-08-03 | 2002-02-06 | Claber S.P.A. | Water cooled centrifugal pump |
| CN101050768A (en) * | 2006-04-03 | 2007-10-10 | 彭树林 | Amphibious high efficiency self suction centrifugal pump |
| JP2012172656A (en) * | 2011-02-24 | 2012-09-10 | Torishima Pump Mfg Co Ltd | Circulation pump |
| KR20120102367A (en) * | 2011-03-08 | 2012-09-18 | (주) 코리아하이드로 | Submersible pump that has internal cooling loop |
| DE102016003169A1 (en) * | 2016-03-16 | 2017-09-21 | Wilo Se | Cooling device for a pump with wet-rotor motor |
| CN108953233A (en) * | 2018-07-03 | 2018-12-07 | 上海核工程研究设计院有限公司 | A kind of heat dissipation sub-loop system for core main pump shield electric machine coil |
| CN212130894U (en) * | 2019-06-29 | 2020-12-11 | 郑宝圣 | Double water cooling structure of water pump |
| CN113958514A (en) * | 2021-11-22 | 2022-01-21 | 问茂荣 | Shielding pump for enhancing cooling and cleaning tail liquid |
-
2022
- 2022-03-21 CN CN202210275447.4A patent/CN114645853B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813196A (en) * | 1981-07-17 | 1983-01-25 | Hitachi Ltd | Feed water means of pump bearing |
| US5151016A (en) * | 1991-12-05 | 1992-09-29 | Her Tser W | Liquid pump responsive to temperature |
| EP1178212A2 (en) * | 2000-08-03 | 2002-02-06 | Claber S.P.A. | Water cooled centrifugal pump |
| CN101050768A (en) * | 2006-04-03 | 2007-10-10 | 彭树林 | Amphibious high efficiency self suction centrifugal pump |
| JP2012172656A (en) * | 2011-02-24 | 2012-09-10 | Torishima Pump Mfg Co Ltd | Circulation pump |
| KR20120102367A (en) * | 2011-03-08 | 2012-09-18 | (주) 코리아하이드로 | Submersible pump that has internal cooling loop |
| DE102016003169A1 (en) * | 2016-03-16 | 2017-09-21 | Wilo Se | Cooling device for a pump with wet-rotor motor |
| CN108953233A (en) * | 2018-07-03 | 2018-12-07 | 上海核工程研究设计院有限公司 | A kind of heat dissipation sub-loop system for core main pump shield electric machine coil |
| CN212130894U (en) * | 2019-06-29 | 2020-12-11 | 郑宝圣 | Double water cooling structure of water pump |
| CN113958514A (en) * | 2021-11-22 | 2022-01-21 | 问茂荣 | Shielding pump for enhancing cooling and cleaning tail liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114645853A (en) | 2022-06-21 |
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