CN111697783A - Controller built-in magnesium alloy shell submersible pump permanent magnet synchronous motor - Google Patents
Controller built-in magnesium alloy shell submersible pump permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN111697783A CN111697783A CN202010577813.2A CN202010577813A CN111697783A CN 111697783 A CN111697783 A CN 111697783A CN 202010577813 A CN202010577813 A CN 202010577813A CN 111697783 A CN111697783 A CN 111697783A
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- Prior art keywords
- motor
- magnesium alloy
- sleeve
- shell
- controller
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 50
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229910002804 graphite Inorganic materials 0.000 claims description 26
- 239000010439 graphite Substances 0.000 claims description 26
- 239000010935 stainless steel Substances 0.000 claims description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 230000008602 contraction Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 241000555745 Sciuridae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a permanent magnet synchronous motor of a magnesium alloy shell submersible pump with a built-in controller, and relates to the field of motors. The magnesium alloy shell submersible pump permanent magnet synchronous motor with the built-in controller comprises a magnesium alloy motor shell, a motor front end cover and a controller cover, wherein the motor front end cover is fixedly connected to the front end of the magnesium alloy motor shell, the controller cover is fixedly connected to the rear end of the magnesium alloy motor shell, a motor controller is fixedly arranged at the inner end of the controller cover, a stator core is fixedly arranged at the inner end of the magnesium alloy motor shell, a rotor core is arranged on the inner side of the stator core, magnetic steel is fixedly embedded in the rotor core, and a main shaft is arranged at the center of the inner end of the rotor core. By using the permanent magnet synchronous motor of the submersible pump with the built-in magnesium alloy shell of the controller, the problem that a circuit is burnt out due to water inflow of the motor caused by expansion with heat and contraction with cold of a bearing of the motor can be avoided, meanwhile, a protection device is added to the motor, and the safe use of the motor is ensured.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a permanent magnet synchronous motor of a magnesium alloy shell submersible pump with a built-in controller.
Background
The submersible pump is an important device for pumping water underwater or deep wells in production and life at present, and the traditional submersible pump consists of a pump body and an underwater motor (mainly a squirrel cage motor) designed on the upper part of the pump body. The submersible pump can be used under a plurality of working conditions, and the submersible pump is applied to different industries through the change of the structure of the submersible pump and the technical transformation. One characteristic of the submersible pump product is that the submersible pump can be immersed in media such as water to work, and the common working conditions that the submersible pump can be used are generally deep well water taking, sewage lifting, fountain waterscape and the like. Submersible pumps are widely used in these industries, and are also used in some situations where submersible pumps are used more often.
In consideration of water resistance of the motor, a water-proof oil cavity is usually designed in one end of the underwater motor connected with the pump body, so that the stator and the rotor can be isolated from water. However, in the conventional structure design, the oil chamber is arranged in series with the stator and the rotor along the axial direction. So that the prior submersible pump has the following problems: 1) because the bearing expands with heat and contracts with cold, gaps are easy to appear between the bearing and the rotating shaft and between the bearing and the end cover, water can permeate into the motor to cause short circuit of a motor winding, and the motor is burnt; 2) the single-phase asynchronous motor is easy to be burnt out due to the failure under the abnormal conditions of overcurrent, overvoltage, overload and the like because of no protection device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a controller built-in magnesium alloy shell submersible pump permanent magnet synchronous motor, which solves the problems that a motor winding is easily burnt out due to gaps among a bearing, a rotating shaft and an end cover of the conventional motor and a protection device is not provided, so that the motor winding is easily broken and burnt out under abnormal conditions of overcurrent, overvoltage, overload and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme: a permanent magnet synchronous motor of a magnesium alloy shell submersible pump with a built-in controller comprises a magnesium alloy motor shell, a motor front end cover and a controller cover, wherein the motor front end cover is fixedly connected to the front end of the magnesium alloy motor shell, the controller cover is fixedly connected to the rear end of the magnesium alloy motor shell, a motor controller is fixedly arranged at the inner end of the controller cover, a stator iron core is fixedly arranged at the inner end of the magnesium alloy motor shell, a rotor iron core is arranged on the inner side of the stator iron core, magnetic steel is fixedly embedded in the rotor iron core, a main shaft is arranged at the center of the inner end of the rotor iron core, the front end of the main shaft penetrates through the motor front end cover, the rear end of the main shaft penetrates through the rotor iron core and is in contact with the rear wall of the magnesium alloy motor shell, a fastening nut is meshed and sleeved, the lower end of the fastening nut is provided with an impeller, and the impeller is fixedly sleeved on a shaft body at the upper end of the main shaft.
Preferably, the front end side of the controller cover and the rear end side of the magnesium alloy motor housing are fixedly connected by a plurality of first screws.
Preferably, the front end edge side of the magnesium alloy motor shell and the edge side of the front end cover of the motor are fixedly connected through a plurality of second screws.
Preferably, the outer ends of the guide pump head and the impeller are provided with guide pump covers, and the rear end side of each guide pump cover is fixedly connected with the front end cover of the motor through a plurality of connecting columns.
Preferably, the rear end side of the diversion pump cover is fixedly connected with the connecting columns through a plurality of third screws, and the bottom ends of the connecting columns are respectively in threaded connection with the top ends of the second screws.
Preferably, the outer end of the rotor core is provided with a rotor stainless steel sleeve, the outer end of the stator core is provided with a stator stainless steel sleeve, a winding outside the stator core is filled with epoxy resin, and the stator stainless steel sleeve is located at the outer end of the rotor stainless steel sleeve.
Preferably, a rear end graphite sleeve is arranged inside the rear end of the rotor stainless steel sleeve, a rear end ceramic shaft sleeve is arranged at the inner end of the rear end graphite sleeve, and the tail end of the rotor stainless steel sleeve, the tail end of the rear end ceramic shaft sleeve and the tail end of the rear end graphite sleeve are all clamped on the rear wall of the magnesium alloy motor shell.
Preferably, a rubber sleeve is arranged inside the front end of the stainless steel rotor sleeve, a front end ceramic shaft sleeve and a front end graphite sleeve are arranged at the front end of the rubber sleeve, the front end graphite sleeve is arranged at the outer end of the front end ceramic shaft sleeve, and the tail end of the front end ceramic shaft sleeve and the head end of the front end graphite sleeve are clamped on the inner wall of the front end cover of the motor.
Preferably, the upper end of the front end ceramic shaft sleeve is provided with a water inlet groove.
The working principle is as follows: the synchronous motor and the built-in controller are adopted for driving, the stator winding is filled with epoxy resin, a full stainless steel sleeve is additionally arranged for sealing, the ceramic rotating shaft and the graphite shaft sleeve are adopted, a small groove is formed in the ceramic rotating shaft, water can be filled in the ceramic rotating shaft and the graphite shaft sleeve for lubricating and cooling, and therefore gaps among a bearing, the rotating shaft and an end cover of the motor are not prone to occurring, and the water cannot penetrate into the motor to damage a circuit; meanwhile, the built-in controller has the protection functions of overcurrent, overvoltage, phase loss and the like of the motor, so that the permanent magnet synchronous motor is not easy to generate similar faults and has a long service life.
The invention provides a permanent magnet synchronous motor of a magnesium alloy shell submersible pump with a built-in controller. The method has the following beneficial effects:
1. compared with the prior art, the stator winding of the motor is filled with epoxy resin, the motor is sealed by the aid of the stainless steel sleeve, the ceramic shaft sleeve and the graphite sleeve are arranged, the water inlet groove is formed in the front ceramic shaft sleeve, water can be filled in the front ceramic shaft sleeve and the front graphite shaft sleeve for lubrication and cooling when the motor works, accordingly, the bearing of the motor is kept at a stable temperature all the time, overheating can not occur, gaps among the bearing, a rotating shaft and an end cover can not occur easily, and water can not permeate into the motor to damage a circuit.
2. Compared with the existing equipment, the permanent magnet synchronous motor is driven by the synchronous motor and the built-in controller, and the built-in controller has the protection functions of overcurrent, overvoltage, phase loss and the like of the motor, so that the permanent magnet synchronous motor is not easy to generate similar faults, and has a long service life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1-A;
fig. 3 is an enlarged schematic view of fig. 1-B.
Wherein, 1, a flow guide pump head; 2. fastening a nut; 3. an impeller; 4. connecting columns; 5. a motor front end cover; 6. a magnesium alloy motor housing; 7. a stator core; 8. magnetic steel; 9. a stainless steel sleeve of the stator; 10. a controller cover; 11. a motor controller; 12. a first screw; 13. a rear end ceramic bushing; 14. a rear end graphite sleeve; 15. a rotor stainless steel sleeve; 16. a rotor core; 17. a rubber sleeve; 18. a front end ceramic shaft sleeve; 19. a front end graphite sleeve; 20. a main shaft; 21. a second screw; 22. a third screw; 23. a diversion pump cover; 24. a water inlet groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-3, an embodiment of the present invention provides a permanent magnet synchronous motor with a magnesium alloy housing submersible pump with a built-in controller, which includes a magnesium alloy motor housing 6, a motor front end cover 5, and a controller cover 10, wherein the motor front end cover 5 is fixedly connected to the front end of the magnesium alloy motor housing 6, the controller cover 10 is fixedly connected to the rear end of the magnesium alloy motor housing 6, a motor controller 11 is fixedly disposed at the inner end of the controller cover 10, the motor controller 11 is internally disposed, and has protection functions of motor overcurrent, overvoltage, phase failure, and the like, so that the permanent magnet synchronous motor is not easy to generate similar failures and has a long service life, a stator core 7 is fixedly disposed at the inner end of the magnesium alloy motor housing 6, a rotor core 16 is disposed at the inner side of the stator core 7, a magnetic steel 8 is fixedly embedded in the, the front end of the main shaft 20 penetrates through the front end cover 5 of the motor, the rear end of the main shaft 20 penetrates through the rotor core 16 and is in contact with the rear wall of the magnesium alloy motor shell 6, the front end of the main shaft 20 is meshed and sleeved with the fastening nut 2, the front end of the outer side of the fastening nut 2 is fixedly connected with the flow guide pump head 1, the lower end of the fastening nut 2 is provided with the impeller 3, and the impeller 3 is fixedly sleeved on the shaft body of the upper end of the main shaft 20.
The front end side of the controller cover 10 is fixedly connected with the rear end side of the magnesium alloy motor shell 6 through a plurality of first screws 12, the front end side of the magnesium alloy motor shell 6 is fixedly connected with the side of the motor front end cover 5 through a plurality of second screws 21, the outer ends of the diversion pump head 1 and the impeller 3 are provided with diversion pump covers 23, the rear end side of the diversion pump covers 23 is fixedly connected with the motor front end cover 5 through a plurality of connecting posts 4, the rear end side of the diversion pump covers 23 is fixedly connected with the connecting posts 4 through a plurality of third screws 22, the bottom ends of the connecting posts 4 are respectively in threaded connection with the top ends of the second screws 21, the outer end of the rotor iron core 16 is provided with a rotor stainless steel sleeve 15, the outer end of the stator iron core 7 is provided with a stator stainless steel sleeve 9, a winding outside the stator iron core 7 is filled with epoxy resin, the stator stainless steel sleeve 9 is, the design of the stator stainless steel sleeve 9 and the rotor stainless steel sleeve 15 ensures that the stator and the rotor of the motor are in a sealed state, and can effectively prevent water from entering between the stator and the rotor to damage a stator winding circuit, a rear end graphite sleeve 14 is arranged inside the rear end of the rotor stainless steel sleeve 15, a rear end ceramic shaft sleeve 13 is arranged at the inner end of the rear end graphite sleeve 14, a rear bearing sleeve consisting of the rear end graphite sleeve 14 and the rear end ceramic shaft sleeve 13 is sleeved on a main shaft 20, the tail end of the rotor stainless steel sleeve 15, the tail end of the rear end ceramic shaft sleeve 13 and the tail end of the rear end graphite sleeve 14 are all clamped on the rear wall of a magnesium alloy motor shell 6, a rubber sleeve 17 is arranged inside the front end of the rotor stainless steel sleeve 15, a front end ceramic shaft sleeve 18 and a front end graphite sleeve 19 are arranged at the front end of the rubber sleeve 17, the front end graphite sleeve 19 is arranged at the outer end of the front end ceramic shaft, and the head end of front end ceramic axle sleeve 18, the head end of front end graphite sleeve 19 all block on the inner wall of motor front end housing 5, intake chamber 24 has been seted up to the upper end of front end ceramic axle sleeve 18, and the motor during operation water will be full of and lubricate and cool off in front end ceramic axle sleeve 18 and front end graphite sleeve 19 to the bearing of having guaranteed the motor keeps stabilizing the temperature always, can not appear the overheated condition, makes the clearance be difficult to appear between bearing and pivot, the end cover.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a built-in magnesium alloy casing immersible pump PMSM of controller, includes magnesium alloy motor casing (6), motor front end housing (5), controller lid (10), its characterized in that: the magnesium alloy motor comprises a magnesium alloy motor shell (6), a motor front end cover (5) is fixedly connected to the front end of the magnesium alloy motor shell (6), a controller cover (10) is fixedly connected to the rear end of the magnesium alloy motor shell (6), a motor controller (11) is fixedly arranged at the inner end of the controller cover (10), a stator core (7) is fixedly arranged at the inner end of the magnesium alloy motor shell (6), a rotor core (16) is arranged on the inner side of the stator core (7), magnetic steel (8) is fixedly embedded in the rotor core (16), a spindle (20) is arranged at the center of the inner end of the rotor core (16), the front end of the spindle (20) penetrates through the motor front end cover (5), the rear end of the spindle (20) penetrates through the rotor core (16) and is in contact with the rear wall of the magnesium alloy motor shell (6), and a fastening nut (2) is sleeved at the, the outer side front end of the fastening nut (2) is fixedly connected with a flow guide pump head (1), the lower end of the fastening nut (2) is provided with an impeller (3), and the impeller (3) is fixedly sleeved on an upper end shaft body of the main shaft (20).
2. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 1, characterized in that: the front end side of the controller cover (10) and the rear end side of the magnesium alloy motor shell (6) are fixedly connected through a plurality of first screws (12).
3. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 1, characterized in that: the front end edge side of the magnesium alloy motor shell (6) is fixedly connected with the edge side of the motor front end cover (5) through a plurality of second screws (21).
4. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 1, characterized in that: the outer ends of the guide pump head (1) and the impeller (3) are provided with a guide pump cover (23), and the rear end side of the guide pump cover (23) is fixedly connected with a motor front end cover (5) through a plurality of connecting columns (4).
5. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 4, characterized in that: the rear end side of the diversion pump cover (23) is fixedly connected with the connecting columns (4) through the three screws (22), and the bottom ends of the connecting columns (4) are respectively in threaded connection with the top ends of the two screws (21).
6. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 1, characterized in that: the outer end of the rotor core (16) is provided with a rotor stainless steel sleeve (15), the outer end of the stator core (7) is provided with a stator stainless steel sleeve (9), a winding outside the stator core (7) is filled with epoxy resin, and the stator stainless steel sleeve (9) is located at the outer end of the rotor stainless steel sleeve (15).
7. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 6, characterized in that: the rear end graphite sleeve (14) is arranged inside the rear end of the rotor stainless steel sleeve (15), the rear end ceramic shaft sleeve (13) is arranged at the inner end of the rear end graphite sleeve (14), and the tail end of the rotor stainless steel sleeve (15), the tail end of the rear end ceramic shaft sleeve (13) and the tail end of the rear end graphite sleeve (14) are all clamped on the rear wall of the magnesium alloy motor shell (6).
8. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 6, characterized in that: the motor is characterized in that a rubber sleeve (17) is arranged inside the front end of the stainless steel rotor sleeve (15), a front end ceramic shaft sleeve (18) and a front end graphite sleeve (19) are arranged at the front end of the rubber sleeve (17), the front end graphite sleeve (19) is arranged at the outer end of the front end ceramic shaft sleeve (18), and the tail end of the front end ceramic shaft sleeve (18) and the head end of the front end graphite sleeve (19) are clamped on the inner wall of the motor front end cover (5).
9. The permanent magnet synchronous motor of the controller built-in magnesium alloy shell submersible pump according to claim 6, characterized in that: the upper end of the front end ceramic shaft sleeve (18) is provided with a water inlet groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577813.2A CN111697783B (en) | 2020-06-22 | 2020-06-22 | Permanent magnet synchronous motor of magnesium alloy shell submersible pump with built-in controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577813.2A CN111697783B (en) | 2020-06-22 | 2020-06-22 | Permanent magnet synchronous motor of magnesium alloy shell submersible pump with built-in controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111697783A true CN111697783A (en) | 2020-09-22 |
| CN111697783B CN111697783B (en) | 2023-03-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010577813.2A Expired - Fee Related CN111697783B (en) | 2020-06-22 | 2020-06-22 | Permanent magnet synchronous motor of magnesium alloy shell submersible pump with built-in controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111697783B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4607181A (en) * | 1984-12-06 | 1986-08-19 | Hayward Tyler Inc. | High temperature submersible electric motor |
| CN203846734U (en) * | 2014-03-12 | 2014-09-24 | 重庆龙港工具制造有限公司 | Environment-friendly dust-free notching machine |
| CN204327513U (en) * | 2014-11-27 | 2015-05-13 | 台州大步泵业有限公司 | A kind of self-priming pump |
| CN104967240A (en) * | 2015-07-22 | 2015-10-07 | 赵颖 | Submersible pump motor for well |
| US20150345265A1 (en) * | 2012-09-12 | 2015-12-03 | Christopher E. Cunningham | Up-thrusting fluid system |
| CN105221234A (en) * | 2015-09-18 | 2016-01-06 | 河南省西峡汽车水泵股份有限公司 | The electric water pump that a kind of high stable is isolated |
| CN107701465A (en) * | 2017-10-20 | 2018-02-16 | 项达章 | Vertical vacuum low temperature immersed pump |
| CN208548780U (en) * | 2018-06-28 | 2019-02-26 | 苏州索尔达动力科技有限公司 | A kind of new energy permanent magnet synchronous motor casing based on magnesium alloy |
| CN109494922A (en) * | 2018-12-05 | 2019-03-19 | 浙江西菱股份有限公司 | A kind of novel motor for water pump |
| US20190363609A1 (en) * | 2017-02-14 | 2019-11-28 | Bayerische Motoren Werke Aktiengesellschaft | Rotor Shaft for an Electric Machine and Electric Machine |
| CN210431048U (en) * | 2019-09-18 | 2020-04-28 | 深圳市泉胜精密科技有限公司 | Oil immersion type integrated permanent magnet brushless direct current motor |
-
2020
- 2020-06-22 CN CN202010577813.2A patent/CN111697783B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4607181A (en) * | 1984-12-06 | 1986-08-19 | Hayward Tyler Inc. | High temperature submersible electric motor |
| US20150345265A1 (en) * | 2012-09-12 | 2015-12-03 | Christopher E. Cunningham | Up-thrusting fluid system |
| CN203846734U (en) * | 2014-03-12 | 2014-09-24 | 重庆龙港工具制造有限公司 | Environment-friendly dust-free notching machine |
| CN204327513U (en) * | 2014-11-27 | 2015-05-13 | 台州大步泵业有限公司 | A kind of self-priming pump |
| CN104967240A (en) * | 2015-07-22 | 2015-10-07 | 赵颖 | Submersible pump motor for well |
| CN105221234A (en) * | 2015-09-18 | 2016-01-06 | 河南省西峡汽车水泵股份有限公司 | The electric water pump that a kind of high stable is isolated |
| US20190363609A1 (en) * | 2017-02-14 | 2019-11-28 | Bayerische Motoren Werke Aktiengesellschaft | Rotor Shaft for an Electric Machine and Electric Machine |
| CN107701465A (en) * | 2017-10-20 | 2018-02-16 | 项达章 | Vertical vacuum low temperature immersed pump |
| CN208548780U (en) * | 2018-06-28 | 2019-02-26 | 苏州索尔达动力科技有限公司 | A kind of new energy permanent magnet synchronous motor casing based on magnesium alloy |
| CN109494922A (en) * | 2018-12-05 | 2019-03-19 | 浙江西菱股份有限公司 | A kind of novel motor for water pump |
| CN210431048U (en) * | 2019-09-18 | 2020-04-28 | 深圳市泉胜精密科技有限公司 | Oil immersion type integrated permanent magnet brushless direct current motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111697783B (en) | 2023-03-31 |
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