CN113452184B - Shielding type permanent magnet high-speed submersible pump motor - Google Patents
Shielding type permanent magnet high-speed submersible pump motor Download PDFInfo
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- CN113452184B CN113452184B CN202110752867.2A CN202110752867A CN113452184B CN 113452184 B CN113452184 B CN 113452184B CN 202110752867 A CN202110752867 A CN 202110752867A CN 113452184 B CN113452184 B CN 113452184B
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- motor
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- water
- water inlet
- filter
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- 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
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a shielding type permanent magnet high-speed submersible pump motor which comprises a motor body and a water inlet, wherein the motor body comprises a shell, a motor shaft, a coupler and a coupling seat water pump coupling disc, the motor shaft is arranged in the shell and extends out of the top of the shell, the coupler is fixedly connected to the outer side of the motor shaft, and the coupling seat water pump coupling disc is fixedly connected to the outer side of the coupler; the top of casing is provided with the water inlet, the inside of water inlet is provided with filtering mechanism, filtering mechanism includes filter tube, first filter pulp, filter core and second filter pulp, the filter tube clamping is at the inner wall of water inlet, the inner wall of filter tube has set gradually first filter pulp, filter core and second filter pulp from top to bottom. The shielding type permanent magnet high-speed submersible pump motor provided by the invention has the advantages of good sand prevention performance and capability of effectively prolonging the service life of the pump motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a shielding type permanent magnet high-speed submersible pump motor.
Background
The submersible motor is mainly applied to: the submersible motor and pump are used, or the shaft extension end of the submersible motor is directly provided with a pump component to form a pump-in-one product, the submersible motor can be immersed into underground water or water in rivers, lakes, oceans and other places to work, has the advantages of small volume, light weight, no need of diversion before starting, no limit of suction stroke, no need of additionally arranging a pump house, convenient installation and use, reliable performance, higher efficiency, low price, investment saving and the like, and can be widely applied to water taking from underground or rivers and lakes, agricultural irrigation, urban water supply, industrial and mining enterprises and drainage, urban and rural building drainage, resident domestic water, urban or factory sewage treatment and the like, and the submersible motor can also be used as a matched power source of various underwater machines, such as a bridge Liang He, a drilling machine driving motor for building detection, various power sources of a ship propeller for investigation and the like.
The sand prevention performance of the submersible motor in the prior art cannot be effectively controlled, which is also a technical problem facing a plurality of manufacturers, the service life of the motor is directly influenced by the quality of water medium in the water-immersed submersible motor, if the flowing sand enters the inner cavity of the motor, the abrasion of bearings at all parts is aggravated, and the motor is scrapped when serious.
Therefore, it is necessary to provide a shielded permanent magnet high-speed submersible pump motor to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the shielding type permanent magnet high-speed submersible pump motor with good sand prevention performance.
The invention provides a shielding type permanent magnet high-speed submersible pump motor, which comprises a motor body and a water inlet, wherein the motor body comprises a shell, a motor shaft, a coupler and a coupling seat water pump coupling disc, the motor shaft is arranged in the shell and extends out of the top of the shell, the coupler is fixedly connected to the outer side of the motor shaft, and the coupling seat water pump coupling disc is fixedly connected to the outer side of the coupler; the top of the shell is provided with a water inlet, the bottom of the shell is provided with a water outlet, and the water outlet and the water inlet are obliquely and oppositely arranged; a coiled water channel communicated with the water inlet and the water outlet is arranged in the shell; the inside of water inlet is provided with filtering mechanism. The top of casing is provided with gets rid of the sand seat, get rid of the top of sand seat and be provided with the sand cover of getting rid of.
In order to achieve the purpose of filtering water entering the water inlet, as the shielding type permanent magnet high-speed submersible pump motor provided by the invention, preferably, the filtering mechanism comprises a filtering pipe, first filtering cotton, a filtering core and second filtering cotton, wherein the filtering pipe is clamped on the inner walls of the water inlet and the water outlet, and the first filtering cotton, the filtering core and the second filtering cotton are sequentially arranged on the inner walls of the filtering pipe from top to bottom; the filter pipe is made of magnetic materials and is adsorbed on the inner walls of the water inlet and the water outlet.
In order to achieve the purpose of coarse filtration of water, as the shielding type permanent magnet high-speed submersible pump motor provided by the invention, preferably, the top of the filter pipe is clamped with a filter screen, and the filter screen is in a circular arrangement.
In order to achieve the purpose of fixedly connecting the filter pipe with the shell, the shielding permanent magnet high-speed submersible pump motor provided by the invention is preferable that mounting plates are fixedly connected to two sides of the filter pipe, and fastening bolts are arranged in the mounting plates.
In order to achieve the purpose of improving the tightness between the fastening bolt and the mounting plate, the shielding permanent magnet high-speed submersible pump motor provided by the invention is preferably characterized in that the outer side of the fastening bolt is sleeved with a sealing ring, and the bottom of the sealing ring is fixedly connected with the top of the mounting plate.
In order to achieve the purpose of improving the sealing performance between the mounting plate and the shell, as the shielding permanent magnet high-speed submersible pump motor provided by the invention, preferably, the bottom of the mounting plate is fixedly connected with a sealing gasket, and the shape of the sealing gasket is the same as that of the bottom of the mounting plate.
In order to achieve the purpose of exhausting air in the motor, as the shielding type permanent magnet high-speed submersible pump motor provided by the invention, preferably, the top of the shell is communicated with an exhaust valve, and the top of the exhaust valve is provided with a sealing plug.
In order to achieve the purpose of improving the sand removal effect, as the shielding type permanent magnet high-speed submersible pump motor provided by the invention, preferably, the sand throwing sleeve is made of flexible rubber material, the inner wall of the sand throwing sleeve is tightly contacted with the periphery of a motor shaft, and a smooth protruding part is arranged in the middle of the motor shaft in the sand throwing sleeve. The rotation of the protruding part can drive the flexible sand throwing sleeve to vibrate in the rotation process of the motor shaft, so that sand is thrown off, and the sand removal effect is achieved.
In order to achieve the purpose of improving the stability of the motor, as the shielding type permanent magnet high-speed submersible pump motor provided by the invention, preferably, the bottom of the shell is fixedly connected with a motor seat, and the bottom of the motor seat is fixedly connected with a rubber pad.
In order to achieve the purpose of improving the sealing performance between the filter pipe and the water inlet, the shielding permanent magnet high-speed submersible pump motor provided by the invention is preferably characterized in that the outer side of the filter pipe is fixedly connected with a sealing sleeve, and the sealing sleeve is made of rubber.
Compared with the related art, the shielding type permanent magnet high-speed submersible pump motor provided by the invention has the following beneficial effects:
when the motor works, the water temperature in the water channel is higher than the water temperature outside the motor due to the heating of the motor body, and the water outside the motor body flows into the motor body due to the action of the temperature difference, water flows into the motor body from the water inlet, the water flows can be filtered through the filtering mechanism after entering the water inlet, the water flows firstly pass through the filter screen to carry out primary filtration, large impurities in the water flows are filtered out, the cleanliness of the water flows is improved, the water flows after the primary filtration are filtered secondarily through the first filter cotton, the filtered water flows are filtered again through the filter core and then are filtered finally through the second filter cotton, finally the water entering the motor shell is available sand filtering water, the motor body is cooled, the service life of the motor can be effectively prolonged by adopting the mechanism, the device can be further improved by arranging the mounting plate and the fastening bolts therein, the filter pipe is fixedly arranged at the top of the shell, so that the stability of the filtering mechanism in use is improved, simultaneously, the replacement and maintenance of the filtering mechanism are convenient, the motor body is arranged between the fastening bolts and the mounting plate, the motor body can be prevented from being fully filtered through the first filter bolt and the mounting plate, the motor body can be prevented from entering the shell through the air inlet through the gap between the motor and the shell, the air pump body and the air outlet can be prevented from entering the top of the motor shell through the air pump through the gap, the gap can be fully arranged between the top of the motor shell and the air pump shell through the air inlet and the air outlet valve, and the gap can be conveniently arranged between the top and the top of the motor shell through the top-sealing plate and the top-cover, prevent sand card in the gap department that motor shaft and casing combine, cause wearing and tearing, thereby can effectually improve motor body's life, through setting up motor cabinet and rubber pad, can improve motor body's stability, through setting up the seal cover, after the inside of filter tube card income water inlet, can seal the gap between water inlet and the filter tube, prevent that sand stone from getting into motor body's inside through the gap, the use to motor body causes the influence, the submersible motor of prior art has been solved, sand control performance can not obtain effectual control, this is also the technical problem that many manufacturers face, water invasion formula submersible motor water medium is good and bad directly influences motor's life, if the quicksand gets into motor inner chamber, will aggravate the wearing and tearing of each position bearing, will lead to the problem that the motor is scrapped in serious time.
Drawings
FIG. 1 is a schematic diagram of a shielded permanent magnet high speed submersible pump motor according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is a schematic view of the internal structure of a filter tube according to the present invention;
FIG. 4 is a schematic view of a filter tube according to the present invention;
fig. 5 is a schematic view of the mounting plate shown in fig. 2.
Reference numerals in the drawings: 1. a motor body; 101. a housing; 102. a motor shaft; 103. a coupling; 104. a water pump connecting disc of the connecting seat; 2. a water inlet; 3. a filtering mechanism; 301. a filter tube; 302. a first filter cotton; 303. a filter element; 304. a second filter cotton; 4. a filter screen; 5. a mounting plate; 6. a fastening bolt; 7. a seal ring; 8. a sealing gasket; 9. an exhaust valve; 10. a sand throwing seat; 11. a sand throwing sleeve; 12. a motor base; 13. a rubber pad; 14. and (5) sealing the sleeve.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a canned motor of a permanent magnet high-speed submersible pump according to the present invention, fig. 2 is an enlarged schematic structural diagram of a portion a in fig. 1, fig. 3 is a schematic internal structural diagram of a filter tube according to the present invention, fig. 4 is a schematic structural diagram of the filter tube according to the present invention, and fig. 5 is a schematic structural diagram of a mounting plate shown in fig. 2. The shielding type permanent magnet high-speed submersible pump motor comprises a motor body 1 and a water inlet 2.
In a specific implementation process, as shown in fig. 1 and 2, the motor body 1 includes a housing 101, a motor shaft 102, a coupling 103 and a coupling seat water pump coupling disc 104, the motor shaft 102 is disposed inside the housing 101 and extends out of the top of the housing 101, the coupling 103 is fixedly connected to the outer side of the motor shaft 102, and the coupling seat water pump coupling disc 104 is fixedly connected to the outer side of the coupling 103.
The top of the shell 101 is provided with a water inlet 2, the bottom of the shell 101 is provided with a water outlet, and the water outlet and the water inlet 2 are obliquely and oppositely arranged; a coiled water channel communicated with the water inlet 2 and the outlet water is arranged in the shell 101; the inside of the water inlet 2 and the water outlet is provided with a filtering mechanism 3.
The top of casing 101 is provided with gets rid of sand seat 10, get rid of the top of sand seat 10 and be provided with the sand cover of getting rid of.
It should be noted that: when the motor works, because the motor body heats and makes the inside temperature of water course be greater than the outside temperature of motor, thereby because the effect of difference in temperature produces from flowing, when outside water gets into the inside of motor casing 101, rivers get into the inside of motor casing 101 from water inlet 2, rivers can filter rivers through filtering mechanism 3 after getting into the inside of water inlet 2, rivers can carry out primary filtration through filter screen 4 at first, filter the large-scale impurity in the rivers, promote the cleanliness factor of rivers, the rivers after primary filtration carries out secondary filtration through first filter cotton 302, the rivers after secondary filtration carries out the filtration again through filter core 303, then carry out final filtration through second filter cotton 304 again, the water that gets into motor body 1 at last is usable sand filtering water, cool off motor body 1, this mechanism of adoption can effectually improve the life of motor. Through setting up and getting rid of sand seat 10 and set up and get rid of sand cover 11 at its top, both functions are used in the junction of motor shaft 102 and casing 101, prevent that sand card from causing wearing and tearing in the gap department that motor shaft 102 and casing 101 combine to can effectually improve motor body 1's life.
Referring to fig. 2 and 3, the filter mechanism 3 includes a filter tube 301, a first filter cotton 302, a filter core 303 and a second filter cotton 304, the filter tube 301 is clamped on the inner walls of the water inlet 2 and the water outlet, and the inner wall of the filter tube 301 is sequentially provided with the first filter cotton 302, the filter core 303 and the second filter cotton 304 from top to bottom. The filter tube 301 is made of magnetic material and is adsorbed on the inner walls of the water inlet and the water outlet.
The top joint of filter tube 301 has filter screen 4, and filter screen 4 is circular setting.
It should be noted that: the inside that rivers got into motor body 1 from water inlet 2, rivers can filter rivers through filtering mechanism 3 after getting into water inlet 2, and rivers can be first through filter screen 4 filtering, filters large-scale impurity in the rivers at first, promotes the cleanliness factor of rivers, and rivers continue the downstream and pass through the filtration of first filter pulp 302, filter core 303 and second filter pulp 304 in proper order, filters the impurity such as grit in the rivers to prevent the inside that the quicksand got into motor body 1, extension motor body 1's life. The magnetic filter pipe can be adsorbed on the inner wall of the water gap, so that the magnetic filter pipe can be conveniently installed and replaced on one hand, and can adsorb impurities such as iron powder in water on the other hand.
Referring to fig. 2 and 5, both sides of the filter tube 301 are fixedly connected with a mounting plate 5, and a fastening bolt 6 is provided inside the mounting plate 5.
The outside cover of fastening bolt 6 is equipped with sealing washer 7, and the bottom of sealing washer 7 and the top fixed connection of mounting panel 5.
The bottom of mounting panel 5 fixedly connected with is sealed to be filled up 8, and the shape of sealed 8 is the same with the bottom shape of mounting panel 5.
It should be noted that: through setting up mounting panel 5 and fastening bolt 6 wherein, can be with filter 301 fixed mounting at the top of casing 101 to improve the stability of filtering mechanism 3 when using, convenient to use person is to filtering mechanism 3's change and maintenance simultaneously, through setting up sealing washer 7 between fastening bolt 6 and mounting panel 5, can prevent that impurity from getting into inside motor body 1 through the gap between fastening bolt 6 and mounting panel 5, through setting up sealed pad 8 between mounting panel 5 and casing 101, can prevent that impurity from getting into motor body 1 through the gap between mounting panel 5 and the casing 101, cause the influence to motor body 1's use.
Referring to fig. 1, the top of the housing 101 is communicated with an exhaust valve 9, and the top of the exhaust valve 9 is provided with a sealing plug.
It should be noted that: by providing the exhaust valve 9 at the top of the housing 101, air inside the motor body 1 can be exhausted so that the pump can be filled with water before the pump is started for the first time.
Referring to fig. 1 and 4, the sand slinger 11 is made of flexible rubber material, the inner wall of the sand slinger is tightly contacted with the periphery of the motor shaft 102, and a smooth protruding part is arranged in the middle of the motor shaft 102 in the sand slinger 11.
The bottom fixedly connected with motor cabinet 12 of casing 101, the bottom fixedly connected with rubber pad 13 of motor cabinet 12.
The outside of the filter tube 301 is fixedly connected with a sealing sleeve 14, and the sealing sleeve 14 is made of rubber.
It should be noted that: the rotation of bellying can drive the flexibility and get rid of sand cover vibrations at the motor shaft rotation in-process to get rid of sand, reach the degritting effect, through setting up motor cabinet 12 and rubber pad 13, can improve motor body 1's stability, through setting up seal cover 14, after filter tube 301 card goes into the inside of water inlet 2, can seal the gap between water inlet 2 and the filter tube 301, prevent that sand and stone from getting into motor body 1's inside through the gap, cause the influence to motor body 1's use.
The working principle of the shielding type permanent magnet high-speed submersible pump motor provided by the invention is as follows:
when water outside the motor body 1 enters the motor body 1, water flows into the motor body 1 from the water inlet 2, after entering the water inlet 2, the water flows are filtered through the filtering mechanism 3, the water flows are primarily filtered through the filter screen 4, large impurities in the water flows are filtered, the cleanliness of the water flows is improved, the primarily filtered water flows are secondarily filtered through the first filter cotton 302, the secondarily filtered water flows are secondarily filtered through the filter element 303 and finally filtered through the second filter cotton 304, finally, the water entering the motor body 1 is available sand filtering water, the motor body 1 is cooled, the service life of the motor can be effectively prolonged by adopting the mechanism, the mounting plate 5 and the fastening bolts 6 are arranged in the device, the filter tube 301 can be fixedly arranged at the top of the shell 101, so that the stability of the filter mechanism 3 in use is improved, meanwhile, a user can conveniently replace and maintain the filter mechanism 3, impurities can be prevented from entering the motor body 1 through gaps between the fastening bolts 6 and the mounting plate 5 by arranging the sealing rings 7 between the fastening bolts 6 and the mounting plate 5, impurities can be prevented from entering the motor body 1 through gaps between the mounting plate 5 and the shell 101 by arranging the sealing gaskets 8 between the mounting plate 5 and the shell 101, the use of the motor body 1 is influenced, the air inside the motor body 1 can be discharged by arranging the exhaust valve 9 at the top of the shell 101, so that the pump can be filled with water before the pump is started for the first time, the sand throwing seat 10 is arranged and the sand throwing sleeve 11 is arranged at the top of the motor body, the two functions are used at the joint of the motor shaft 102 and the shell 101, prevent sand card in the gap department that motor shaft 102 and casing 101 combine, cause wearing and tearing to can effectually improve motor body 1's life, through setting up motor cabinet 12 and rubber pad 13, can improve motor body 1's stability, through setting up seal cover 14, after filter tube 301 card goes into the inside of water inlet 2, can seal the gap between water inlet 2 and the filter tube 301, prevent that sand and stone from getting into motor body 1's inside through the gap, influence motor body 1's use.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention.
Claims (6)
1. The utility model provides a shielding formula permanent magnetism high speed submersible pump motor which characterized in that includes:
the motor comprises a motor body (1), wherein the motor body (1) comprises a shell (101), a motor shaft (102), a coupler (103) and a coupling seat water pump coupling disc (104), the motor shaft (102) is arranged in the shell (101) and extends out of the top of the shell (101), the coupler (103) is fixedly connected to the outer side of the motor shaft (102), and the coupling seat water pump coupling disc (104) is fixedly connected to the outer side of the coupler (103); the water inlet (2) is formed in the top of the shell (101), the water outlet is formed in the bottom of the shell (101), and the water outlet and the water inlet (2) are obliquely opposite to each other; a coiled water channel communicated with the water inlet (2) and the outlet water is arranged in the shell (101); a filtering mechanism (3) is arranged in the water inlet (2) and the water outlet; the top of the shell (101) is provided with a sand throwing seat (10), and the top of the sand throwing seat (10) is provided with a sand throwing sleeve (11);
the filtering mechanism (3) comprises a filtering pipe (301), a first filtering cotton (302), a filtering core (303) and a second filtering cotton (304), wherein the filtering pipe (301) is clamped on the inner walls of the water inlet (2) and the water outlet, the first filtering cotton (302), the filtering core (303) and the second filtering cotton (304) are sequentially arranged on the inner walls of the filtering pipe (301) from top to bottom, and the filtering pipe (301) is made of magnetic materials and is adsorbed on the inner walls of the water inlet and the water outlet;
the two sides of the filter pipe (301) are fixedly connected with mounting plates (5), and fastening bolts (6) are arranged in the mounting plates (5);
the top of the shell (101) is communicated with an exhaust valve (9), and a sealing plug is arranged at the top of the exhaust valve (9);
the sand throwing sleeve (11) is made of flexible rubber materials, the inner wall of the sand throwing sleeve is tightly contacted with the periphery of the motor shaft (102), and a smooth protruding part is arranged in the middle of the motor shaft (102) in the sand throwing sleeve (11).
2. The shielding type permanent magnet high-speed submersible pump motor according to claim 1, wherein a filter screen (4) is clamped at the top of the filter tube (301), and the filter screen (4) is arranged in a circular shape.
3. The shielding type permanent magnet high-speed submersible pump motor according to claim 1, wherein a sealing ring (7) is sleeved on the outer side of the fastening bolt (6), and the bottom of the sealing ring (7) is fixedly connected with the top of the mounting plate (5).
4. The shielding type permanent magnet high-speed submersible pump motor according to claim 1, wherein a sealing gasket (8) is fixedly connected to the bottom of the mounting plate (5), and the shape of the sealing gasket (8) is the same as the shape of the bottom of the mounting plate (5).
5. The shielding type permanent magnet high-speed submersible pump motor according to claim 1, wherein a motor base (12) is fixedly connected to the bottom of the shell (101), and a rubber pad (13) is fixedly connected to the bottom of the motor base (12).
6. The shielded permanent magnet high-speed submersible pump motor according to claim 1, wherein a sealing sleeve (14) is fixedly connected to the outer side of the filter tube (301), and the sealing sleeve (14) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752867.2A CN113452184B (en) | 2021-07-02 | 2021-07-02 | Shielding type permanent magnet high-speed submersible pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752867.2A CN113452184B (en) | 2021-07-02 | 2021-07-02 | Shielding type permanent magnet high-speed submersible pump motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113452184A CN113452184A (en) | 2021-09-28 |
| CN113452184B true CN113452184B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110752867.2A Active CN113452184B (en) | 2021-07-02 | 2021-07-02 | Shielding type permanent magnet high-speed submersible pump motor |
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| CN111654161A (en) * | 2020-06-04 | 2020-09-11 | 江苏远东电机制造有限公司 | Quick radiating water-cooled permanent-magnet machine |
| CN113014029A (en) * | 2021-03-05 | 2021-06-22 | 浙江浙水工贸有限公司 | Shielding water-cooled permanent magnet pump motor for high-speed well |
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| CN113452184A (en) | 2021-09-28 |
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