CN114243998A - Permanent magnet motor with linkage type supercharging water-cooling adjusting housing - Google Patents
Permanent magnet motor with linkage type supercharging water-cooling adjusting housing Download PDFInfo
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- CN114243998A CN114243998A CN202111596934.2A CN202111596934A CN114243998A CN 114243998 A CN114243998 A CN 114243998A CN 202111596934 A CN202111596934 A CN 202111596934A CN 114243998 A CN114243998 A CN 114243998A
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- permanent magnet
- magnet motor
- heat dissipation
- water
- linkage type
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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
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of motor heat dissipation and shock absorption, in particular to a permanent magnet motor with a linkage type pressurizing water-cooling adjusting housing. The permanent magnet motor with the linkage type supercharging water-cooling adjusting housing is externally provided with the external housing, the outer side surface of the external housing is provided with the annular heat dissipation groove internally provided with the copper heat dissipation fins and the heat dissipation copper pipe, and the right side surface of the external housing is fixedly provided with the external supercharging pump body which provides power through the permanent magnet motor body and the external high-level water tank which provides cooling liquid for the heat dissipation copper pipe, so that the whole permanent magnet motor has the capability of active heat dissipation, and the heat dissipation performance is greatly improved; the permanent magnet motor body can rapidly improve the damping performance of the assembly end according to the rotating speed, and the safety and the damping performance are greatly improved; the driving shaft outside the permanent magnet motor body is adopted for direct driving, the driving efficiency is high, the practicability is greatly improved, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of motor heat dissipation and shock absorption, in particular to a permanent magnet motor with a linkage type supercharging water-cooling adjusting housing.
Background
The permanent magnet motor provides excitation by the permanent magnet, so that the motor has a simpler structure, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current is not needed, excitation loss is avoided, and the efficiency and the power density of the motor are improved.
The permanent magnet motor is composed of a stator, a rotor, an end cover and the like. The stator is basically the same as a common induction motor, and a lamination structure is adopted to reduce iron loss during the operation of the motor.
The rotor can be made into solid or laminated by lamination. The armature winding can adopt a concentrated whole-pitch winding, and can also adopt a distributed short-pitch winding and an unconventional winding.
Permanent-magnet machine is when high-speed operation, and through the frictional force that energy conversion and rotation produced, can produce a large amount of heat energy, if unable quick heat dissipation, can lead to permanent-magnet machine's inside magnetism to disappear to influence permanent-magnet machine's work efficiency greatly, when high-speed operation, permanent-magnet machine self can produce the vibration, if adopt traditional rigid connection mode, directly conduct the vibration for the assembly end, can lead to the assembly end not hard up for a long time.
At present, the permanent magnet motor on the market cannot automatically adjust the heat dissipation mode and the damping performance according to the actual running state, so that the safety and the durability of the permanent magnet motor are greatly reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, an improved permanent magnet motor with a linkage type supercharging water-cooling adjusting housing is provided, and the problem that the safety and durability of the permanent magnet motor are greatly reduced due to the fact that the heat dissipation mode and the shock absorption performance of the permanent magnet motor on the market cannot be automatically adjusted according to the actual operation state is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a permanent magnet motor with a linkage type water-cooling regulation cover shell with pressure boosting comprises a permanent magnet motor body and an outer shell fixed on the permanent magnet motor body, wherein an annular heat dissipation groove with a plurality of copper heat dissipation fins arranged inside is formed in the outer side surface of the outer shell, an integrated heat dissipation copper pipe is fixedly connected inside the annular heat dissipation groove and outside the copper heat dissipation fins, an outer pressure boosting pump body with a built-in centrifugal pressure boosting impeller is fixed on the right side wall of the outer shell through a bolt, an external high-position water tank for containing cooling liquid is fixedly connected at the upper end of the right side wall of the outer shell through a lateral support, a bottom installation frame is arranged at the lower end of the outer shell, a bottom horizontal water guide pipe communicated with the heat dissipation copper pipe is fixedly connected on the inner top surface of the bottom installation frame, and the lower end of the bottom horizontal water guide pipe is provided with a downward convex integrated structure regulation copper pipe, the adjusting copper pipe is internally and elastically assembled with a telescopic shock absorption sealing mechanism, and the lower end of the bottom mounting frame is provided with a bottom telescopic opening internally provided with a bottom telescopic assembling frame.
The copper radiating fins are arranged on the arc-shaped surface on the inner side of the annular radiating groove in an annular array, and the radiating copper pipes are arranged on the outer side of the copper radiating fins in a serpentine structure.
The external pressurizing pump body is close to the middle part of the side wall of the external shell and is provided with an integrated structure assembly sealing pipe, a driving shaft on the right side of the permanent magnet motor body is inserted into the external pressurizing pump body from the inside of the assembly sealing pipe and is coaxially fixed with the centrifugal pressurizing impeller, and the lower surface of the external pressurizing pump body is fixedly connected with a bottom drain pipe used for being connected with a bottom transverse water guide pipe.
And the upper end of the outer shell is fixedly connected with an overhead return pipe used for communicating the heat-radiating copper pipe with the external high-level water tank.
The telescopic damping sealing mechanism comprises an inner telescopic connecting rod which is inserted in the adjusting copper pipe in a sliding mode, a first sealing extrusion head which is coaxially fixed on one side of the inner telescopic connecting rod, a second sealing extrusion head which is coaxially fixed on the other side of the inner telescopic connecting rod, a first extrusion spring which is installed on the inner side of the first sealing extrusion head and a second extrusion spring which is installed on the inner side of the second sealing extrusion head.
The outer side surface of the second sealing extrusion head is provided with an internal thread assembling hole, the inside of the bottom telescopic assembling frame is provided with an assembling through hole of which the bottom is provided with a sinking groove, and a bottom locking bolt is inserted into the assembling through hole.
The lower end of the bottom telescopic assembling frame is provided with a strip-shaped bottom mounting hole.
The adjusting copper pipe inner side surface is provided with an inward convex integrated structure inner limiting ring, the upper end and the lower end of the inner limiting ring are provided with a conical extrusion sealing groove, and an annular accommodating groove matched with a first extrusion spring and a second extrusion spring is formed in the inner side arc surface of the conical extrusion sealing groove.
And the outer side surface of the adjusting copper pipe is provided with a lateral pressurizing water guide pipe which is used for communicating an opening at the upper end of the outer side of the heat dissipation copper pipe.
The central position of the outer side surface of the external booster pump body is provided with a lateral water inlet hole with a built-in filter screen, and the periphery of the lateral water inlet hole is fixedly connected with an external water supply pipe used for connecting an external high-level water tank.
The invention has the beneficial effects that:
(1) the permanent magnet motor with the linkage type supercharging water-cooling adjusting housing is externally provided with the external housing, the outer side surface of the external housing is provided with the annular heat dissipation groove internally provided with the copper heat dissipation fins and the heat dissipation copper pipe, and the right side surface of the external housing is fixedly provided with the external supercharging pump body which provides power through the permanent magnet motor body and the external high-level water tank which provides cooling liquid for the heat dissipation copper pipe, so that the whole permanent magnet motor has the capability of active heat dissipation, and the heat dissipation performance is greatly improved;
(2) the bottom installation frame is arranged at the lower end of the outer shell, the bottom transverse water guide pipe on the inner top surface of the bottom installation frame is communicated with the heat dissipation copper pipe, and the adjusting copper pipe with the built-in telescopic damping sealing mechanism is arranged at the lower end of the bottom transverse water guide pipe, so that the assembly position of the bottom telescopic assembly frame is adjusted through internal water pressure, the damping performance of the assembly end of the permanent magnet motor body can be rapidly improved according to the rotating speed, and the safety and the damping performance are greatly improved;
(3) the telescopic damping sealing mechanism respectively extrudes and resets the first sealing extrusion head and the second sealing extrusion head through the first extrusion spring and the second extrusion spring, so that the telescopic restoration can be controlled, and the internal sealing performance and the external damping performance can be ensured;
(4) the centrifugal supercharging impeller which is arranged inside the permanent magnet motor body and directly drives the external supercharging pump body to run is adopted, the driving efficiency is high, the external power equipment is not needed, the flow speed of cooling water and the telescopic amplitude of the telescopic damping sealing mechanism can be freely changed through internal water pressure, the practicability is greatly improved, the cost is reduced, and the popularization and the promotion are convenient.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a side cross-sectional view of the present invention
Fig. 3 is a sectional view of the inside of the conditioning copper pipe in the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
FIG. 1, FIG. 2 and FIG. 3 show a permanent magnet motor with linkage type water cooling regulation cover with pressure boost, which comprises a permanent magnet motor body 1 and an outer casing 2 fixed on the permanent magnet motor body 1, wherein the outer side surface of the outer casing 2 is provided with an annular heat sink 4 with a plurality of copper heat sinks 3 inside, the inside of the annular heat sink 4 is fixedly connected with a heat-dissipating copper pipe 5 with an integral structure outside the copper heat sinks 3, the right side wall of the outer casing 2 is fixed with an outer pressure boost pump body 7 with a built-in centrifugal pressure boost impeller 6 by bolts, the upper end of the right side wall of the outer casing 2 is fixedly connected with an external high-level water tank 9 for containing cooling liquid by a lateral support 8, the lower end of the outer casing 2 is provided with a bottom installation frame 10, the inner top surface of the bottom installation frame 10 is fixedly connected with a bottom horizontal water conduit 11 communicated with the heat-dissipating copper pipe 5, the lower end of the bottom horizontal water conduit 11 is provided with a regulating copper pipe 12 with an integral structure protruding downwards, the adjusting copper pipe 12 is elastically provided with a telescopic shock-absorbing sealing mechanism, and the lower end of the bottom mounting frame 10 is provided with a bottom telescopic opening 14 internally provided with a bottom telescopic mounting frame 13.
Further, in order to improve the water-cooling heat dissipation effect, the copper heat dissipation fins 3 are arranged on the inner side arc-shaped surface of the annular heat dissipation groove 4 in an annular array mode, and the heat dissipation copper pipes 5 are arranged on the outer side of the copper heat dissipation fins 3 in a serpentine structure mode.
Further, in order to promote the leakproofness, promote transmission stability and make things convenient for bottom drainage, outside booster pump body 7 has an organic whole structure assembly sealed tube 15 near 2 lateral wall middle parts of outside casing, and the drive shaft of permanent-magnet machine body 1 right side inserts outside booster pump body 7 inside and the coaxial fixed with centrifugal booster impeller 6 from assembly sealed tube 15 inside, and outside booster pump body 7 lower fixed surface is connected with the bottom drain pipe 16 that is used for connecting the horizontal aqueduct 11 in bottom.
Further, in order to match with top water return, the upper end of the external shell 2 is fixedly connected with an overhead water return pipe 17 for communicating the heat radiation copper pipe 5 with the external high-level water tank 9.
Further, in order to match with the internal expansion and contraction and the elastic extrusion resetting, the expansion damping sealing mechanism comprises an internal expansion connecting rod 18 which is inserted in the adjusting copper pipe 12 in a sliding manner, a first sealing extrusion head 19 which is coaxially fixed on one side of the internal expansion connecting rod 18, a second sealing extrusion head 20 which is coaxially fixed on the other side of the internal expansion connecting rod 18, a first extrusion spring 21 which is installed on the inner side of the first sealing extrusion head 19, and a second extrusion spring 22 which is installed on the inner side of the second sealing extrusion head 20.
Further, in order to facilitate bottom assembly and fixation, an internal thread assembly hole is formed in the outer side face of the second sealing extrusion head 20, an assembly through hole with a sink groove at the bottom is formed in the bottom telescopic assembly frame 13, and a bottom locking bolt 23 is inserted into the assembly through hole.
When the second sealing extrusion head 20 is extended downward, the entire outer case 2 is separated from the upper surface of the bottom mounting frame 10 at this time, and a state of elastic connection is formed; conversely, when the second sealing extrusion head 20 is retracted upward, the entire outer housing 2 is in fixed contact with the upper surface of the bottom mounting frame 10, and a rigid connection state is formed.
Further, in order to improve the application range of the bottom installation, the lower end of the bottom telescopic assembling frame 13 is provided with a strip-shaped bottom installing hole 24.
Further, for cooperation inside spacing and inside seal, adjust the inside face of copper pipe 12 and have inside bellied inside spacing ring 25 of an organic whole structure, inside spacing ring 25 upper and lower extreme all has toper extrusion seal groove 26, offer on the inboard arcwall face of toper extrusion seal groove 26 with first extrusion spring 21 and second extrusion spring 22 matched with annular accomodate recess 27.
Further, in order to match with the lateral water supply, the lateral pressurizing water guide pipe 28 for communicating the upper end opening of the outer side of the heat radiation copper pipe 5 is arranged on the outer side surface of the adjusting copper pipe 12.
When the permanent magnet motor runs, the rotating speed in a single time period is constant, so that the rotating speed of the centrifugal supercharging impeller 6 in the external supercharging pump body 7 in the single time period is also constant, the water outlet pressure is also constant at this time, and the telescopic length of the telescopic damping sealing mechanism can be ensured to be constant.
Further, in order to facilitate disassembly and filtration of cooling water, a lateral water inlet 29 with a built-in filter screen is formed in the center of the outer side surface of the external pressurizing pump body 7, and an external water supply pipe 30 used for connecting the external high-level water tank 9 is fixedly connected to the periphery of the lateral water inlet 29.
The permanent magnet motor with the linkage type supercharging water-cooling adjusting housing is externally provided with an external shell 2, the outer side surface of the external shell 2 is provided with an annular heat dissipation groove 4 internally provided with a copper heat dissipation fin 3 and a heat dissipation copper pipe 5, and the right side surface of the external shell 2 is fixedly provided with an external supercharging pump body 7 which provides power through a permanent magnet motor body 1 and an external high-level water tank 9 which provides cooling liquid for the heat dissipation copper pipe 5, so that the whole permanent magnet motor has the capability of active heat dissipation, and the heat dissipation performance is greatly improved; the bottom mounting frame 10 is arranged at the lower end of the outer shell 2, the bottom transverse water guide pipe 11 on the inner top surface of the bottom mounting frame 10 is communicated with the heat dissipation copper pipe 5, and the adjusting copper pipe 12 with the built-in telescopic damping sealing mechanism is arranged at the lower end of the bottom transverse water guide pipe 11, so that the assembly position of the bottom telescopic assembly frame 13 is adjusted through internal water pressure, the damping performance of the assembly end of the permanent magnet motor body 1 can be rapidly improved according to the rotating speed, and the safety and the damping performance are greatly improved; the telescopic damping sealing mechanism respectively extrudes and resets the first sealing extrusion head 19 and the second sealing extrusion head 20 through the first extrusion spring 21 and the second extrusion spring 22, so that the telescopic resetting can be controlled, and the internal sealing performance and the external damping performance can be ensured; the centrifugal supercharging impeller 6 inside the driving shaft directly driving the external supercharging pump body 7 to run by adopting the permanent magnet motor body 1 outside has high driving efficiency, does not need to freely change the flow speed of cooling water and the telescopic amplitude of the telescopic damping sealing mechanism through internal water pressure by means of external power equipment, and has the advantages of greatly improving practicability, reducing cost and facilitating popularization.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a permanent-magnet machine with housing is adjusted to coordinated type pressure boost water-cooling, includes permanent-magnet machine body (1) and fixes outside casing (2) on permanent-magnet machine body (1), characterized by: the outer side surface of the outer shell (1) is provided with an annular heat dissipation groove (4) internally provided with a plurality of copper heat dissipation fins (3), the inner part of the annular heat dissipation groove (4) is fixedly connected with a heat dissipation copper pipe (5) with an integral structure at the outer side of the copper heat dissipation fins (3), the right side wall of the outer shell (2) is fixed with an outer pressurizing pump body (7) with an internal centrifugal pressurizing impeller (6) through bolts, the upper end of the right side wall of the outer shell (2) is fixedly connected with an external high-level water tank (9) for containing cooling liquid through a lateral support (8), the lower end of the outer shell (2) is provided with a bottom installation frame (10), the inner top surface of the bottom installation frame (10) is fixedly connected with a bottom transverse water guide pipe (11) communicated with the heat dissipation copper pipe (5), and the lower end of the bottom transverse water guide pipe (11) is provided with an adjusting copper pipe (12) with an integral structure protruding downwards, the adjusting copper pipe (12) is internally and elastically assembled with a telescopic damping sealing mechanism, and the lower end of the bottom mounting frame (10) is provided with a bottom telescopic opening (14) internally provided with a bottom telescopic assembling frame (13).
2. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: the copper radiating fins (3) are arranged on the arc-shaped surface on the inner side of the annular radiating groove (4) in an annular array mode, and the radiating copper pipes (5) are arranged on the outer side of the copper radiating fins (3) in a snake-shaped structure mode.
3. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: outside booster pump body (7) be close to outside casing (2) lateral wall middle part and have an organic whole structure assembly sealed tube (15), permanent-magnet machine body (1) right side drive shaft insert outside booster pump body (7) inside and centrifugal booster impeller (7) coaxial fastening from assembly sealed tube (15) inside, outside booster pump body (7) lower fixed surface be connected with bottom drain pipe (16) that are used for connecting horizontal aqueduct in bottom (11).
4. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: the upper end of the outer shell (2) is fixedly connected with an overhead return pipe (17) which is used for communicating the heat-dissipation copper pipe (5) with the external high-level water tank (9).
5. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: the telescopic damping sealing mechanism comprises an inner telescopic connecting rod (18) which is inserted in the adjusting copper pipe (12) in a sliding mode, a first sealing extrusion head (19) which is coaxially fixed on one side of the inner telescopic connecting rod (18), a second sealing extrusion head (20) which is coaxially fixed on the other side of the inner telescopic connecting rod (18), a first extrusion spring (21) which is installed on the inner side of the first sealing extrusion head (19) and a second extrusion spring (22) which is installed on the inner side of the second sealing extrusion head (20).
6. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 5, wherein: an internal thread assembling hole is formed in the outer side face of the second sealing extrusion head (20), an assembling through hole with a sinking groove at the bottom is formed in the bottom telescopic assembling frame (13), and a bottom locking bolt (23) is inserted into the assembling through hole.
7. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: the lower end of the bottom telescopic assembling frame (13) is provided with a strip-shaped bottom mounting hole (24).
8. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 5, wherein: adjusting copper pipe (12) medial surface inside spacing ring (25) of inside bellied integral structure have, inside spacing ring (25) upper and lower end all have toper extrusion seal groove (26), toper extrusion seal groove (26) inboard arcwall face on seted up and take in recess (27) with first extrusion spring (21) and second extrusion spring (22) matched with annular.
9. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: and a lateral pressurizing water guide pipe (28) used for communicating an opening at the upper end of the outer side of the heat dissipation copper pipe (5) is arranged on the outer side surface of the adjusting copper pipe (12).
10. The permanent magnet motor with the linkage type supercharging water-cooling adjusting cover shell as claimed in claim 1, wherein: the water pump is characterized in that a lateral water inlet hole (29) with a built-in filter screen is formed in the center of the outer side face of the external pressurizing pump body (7), and an external water supply pipe (30) used for being connected with an external high-level water tank (9) is fixedly connected to the periphery of the lateral water inlet hole (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111596934.2A CN114243998A (en) | 2021-12-24 | 2021-12-24 | Permanent magnet motor with linkage type supercharging water-cooling adjusting housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111596934.2A CN114243998A (en) | 2021-12-24 | 2021-12-24 | Permanent magnet motor with linkage type supercharging water-cooling adjusting housing |
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| Publication Number | Publication Date |
|---|---|
| CN114243998A true CN114243998A (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111596934.2A Pending CN114243998A (en) | 2021-12-24 | 2021-12-24 | Permanent magnet motor with linkage type supercharging water-cooling adjusting housing |
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| CN (1) | CN114243998A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114928203A (en) * | 2022-07-20 | 2022-08-19 | 江苏航天动力机电有限公司 | Motor with multinomial extension formula heat dissipation mechanism |
| CN116215209A (en) * | 2023-05-05 | 2023-06-06 | 江苏多凯动力机械有限公司 | Shock attenuation frame for engine |
-
2021
- 2021-12-24 CN CN202111596934.2A patent/CN114243998A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114928203A (en) * | 2022-07-20 | 2022-08-19 | 江苏航天动力机电有限公司 | Motor with multinomial extension formula heat dissipation mechanism |
| CN116215209A (en) * | 2023-05-05 | 2023-06-06 | 江苏多凯动力机械有限公司 | Shock attenuation frame for engine |
| CN116215209B (en) * | 2023-05-05 | 2023-09-29 | 江苏多凯动力机械有限公司 | Shock attenuation frame for engine |
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