CN109245430A - A kind of motor being able to extend service life - Google Patents
A kind of motor being able to extend service life Download PDFInfo
- Publication number
- CN109245430A CN109245430A CN201811304372.8A CN201811304372A CN109245430A CN 109245430 A CN109245430 A CN 109245430A CN 201811304372 A CN201811304372 A CN 201811304372A CN 109245430 A CN109245430 A CN 109245430A
- Authority
- CN
- China
- Prior art keywords
- motor
- bar
- fixedly connected
- service life
- kelly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- 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
Abstract
The present invention relates to motor technology fields, and disclose a kind of motor for being able to extend service life, including motor body and pedestal, motor body is located at the top of pedestal, the upper end of pedestal is fixedly connected with connecting column, the one end of connecting column far from pedestal is fixedly connected with the lower end of motor body, the upper end of motor body is fixedly connected with heat dissipating housing, the upper end of heat dissipating housing offers through-hole, the inside of through-hole is equipped with air inlet fan, the two sides that the upper end of heat dissipating housing is internally located at through-hole open up cavity, the inside of cavity is equipped with clamping mechanism, the inner transverse of heat dissipating housing is equipped with annular cold water pipe, the input terminal and output end of annular cold water pipe extend through two inner sidewalls of heat dissipating housing or so and extend outwardly, multiple air inlet holes are offered on the upside of motor body, firm supporting mechanism is equipped at left and right sides of connecting column.This is able to extend the motor of service life, the heat of motor interior can be quickly discharged, extend the service life of motor.
Description
Technical field
The present invention relates to motor technology field, specially a kind of motor for being able to extend service life.
Background technique
Motor (Motor) is a kind of equipment for converting electrical current into mechanical energy.It is that use the power on coil (namely fixed
Sub- winding) it generates rotating excitation field and acts on rotor (such as squirrel-cage closure aluminium frame) formation electro-magnetic motor force rotation torque.Motor
By using power supply difference to be divided into dc motor and ac motor, the motor in electric system is largely alternating current generator,
It can be synchronous motor either asynchronous machine (motor stator rotational speed of magnetic field and rotor rotary rpm do not keep synchronous speed).It is electronic
Owner will be made of stator and rotor, and the direction of electrified wire movement under force in magnetic field is with current direction and magnetic induction line (magnetic field
Direction) direction is related.Electric motor operation principle is effect of the magnetic field to electric current stress, makes motor rotation.
The radiator of existing motor is usually to be arranged on shell, and heat dissipation effect is poor, especially power
Biggish motor, when calorific value is larger, internal heat cannot be discharged in time, so as to shorten the service life of motor.
For this purpose, the present invention devises a kind of motor for being able to extend service life.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of motor for being able to extend service life, having can will be electric
The advantages that heat inside motivation is quickly discharged, and extends the service life of motor, solves engine radiating effect on the market
Poor, the especially biggish motor of power, when calorific value is larger, internal heat cannot be discharged in time, so as to shorten
The problem of service life of motor.
(2) technical solution
Cement and sandstone and the purpose automatically added water can be quantitatively added to realize, the invention provides the following technical scheme: one
Kind is able to extend the motor of service life, including motor body and pedestal, the motor body are located at the top of pedestal,
The upper end of the pedestal is fixedly connected with connecting column, and the lower end of the connecting column one end and motor body far from pedestal is fixed
Connection, the upper end of the motor body are fixedly connected with heat dissipating housing, and the upper end of the heat dissipating housing offers through-hole, the through-hole
Inside be equipped with air inlet fan, the two sides that the upper end of the heat dissipating housing is internally located at through-hole open up cavity, the inside of the cavity
Equipped with clamping mechanism, the inner transverse of the heat dissipating housing is equipped with annular cold water pipe, the input terminal of the annular cold water pipe and output
End extends through two inner sidewalls of heat dissipating housing or so and extends outwardly, and multiple air inlets are offered on the upside of the motor body
Hole is equipped with firm supporting mechanism at left and right sides of the connecting column.
Preferably, the clamping mechanism includes the kelly that cavity inside is arranged in, and the kelly is horizontally installed on cavity
Inside is equipped with the first spring between the left side wall of one end cavity of the kelly, and one end of the kelly is fixed with the first spring
Connection, the one end of first spring far from kelly are fixedly connected with the left side wall of cavity, and the kelly is far from the first spring
One end runs through the right side wall of cavity and extends to the inside of through-hole, and the side wall of the air inlet fan and the position corresponding position of kelly open up
There is card slot, the card slot matches with kelly, and bar shaped slide opening is offered on the upside of the cavity, and the bar shaped slide opening is laterally to set
It sets, the internal slide of the bar shaped slide opening is connected with brake bar, and the brake bar is vertically arranged, and one end of the brake bar is prolonged
It extends to the inside of cavity and is fixedly connected with the bar wall of kelly, the other end of the brake bar passes through bar shaped slide opening and to extension
It stretches.
Preferably, one end that the brake bar is located at outside bar shaped slide opening is fixedly connected with handle sleeve.
Preferably, the firm supporting mechanism includes the convex block being laterally arranged, one end of the convex block and the side of connecting column
Wall is fixedly connected, and the one end of the convex block far from connecting column is rotatably connected to first support bar by the first pivot pin, and described first
Support rod offers blind hole far from one end of convex block, and the internal activity of the blind hole is equipped with second support bar, second support
The partial symmetry that the bar wall of bar is located in blind hole is opened up there are two groove, and the inside of two grooves is all provided with limited position mechanism,
The first support bar is connect by position-limit mechanism with second support bar, the one end of the second support bar far from first support bar
The outside of blind hole is extended to, and the second support bar is rotatably connected to supporting block by the second pivot pin far from first support bar.
Preferably, the position-limit mechanism includes the connecting plate that inside grooves are arranged in, and the connecting plate and groove are clamped, institute
The bottom for stating groove is equipped with second spring, and one end of the second spring is fixedly connected with the side of connecting plate, second bullet
The one end of spring far from connecting plate is fixedly connected with the bottom of groove, and the connecting plate is fixedly connected with far from the side of second spring
Gag lever post, the gag lever post extend to the outside of groove, the side wall of the blind hole and the position of gag lever post far from one end of connecting plate
It sets corresponding position and offers limit hole, the limit hole matches with gag lever post.
Preferably, the opening that the bar wall of the first support bar is located at limit hole offers arc groove.
Preferably, along limited block is fixedly connected in the opening of the groove, the limited block and connecting plate are clamped.
Preferably, placing groove, the opposite side wall of two placing grooves are offered at left and right sides of the upper end of the pedestal
Extend through the two sides of pedestal.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of motor for being able to extend service life, have it is following the utility model has the advantages that
1, the motor for being able to extend service life is fanned by the air inlet being arranged on heat dissipating housing, can be by extraneous wind
Enter the inside to heat dissipating housing, by the way that the annular cold water pipe of inside the heat sink is arranged in, air inlet fan is enabled to be blown into heat dissipating housing
Internal wind is cooled down, so can the inside to motor body quickly and effectively radiated, to extend electronic
The service life of machine, by the brake bar being arranged on kelly, mobile brake bar is able to drive kelly movement and kelly is squeezed
The first spring is pressed, so that kelly is detached from card slot, and then takes out convenient for fan will be entered the wind inside through-hole, will be entered the wind convenient for staff
Fan is dismantled, and by the first spring being arranged on kelly, can apply an external force to kelly, so that kelly is tight with card slot
Close fit, and then air inlet fan stabilization is enabled to be fixed on heat dissipating housing.
2, the motor for being able to extend service life, by two gag lever posts being arranged in first support bar, simultaneously
Two gag lever posts are pressed, two second springs of two gag lever posts while mobile extruding are enabled to, so that two gag lever posts are mobile
To the inside of blind hole, and then convenient for being removed second support bar from the inside of first support bar and a branch will be provided to motor
Support force can increase the stability of motor placement.
Detailed description of the invention
Fig. 1 is a kind of electric motor structure schematic diagram for being able to extend service life proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram for the motor annular cold water pipe for being able to extend service life proposed by the present invention；
Fig. 3 is the partial structurtes enlarged drawing in the portion A in a kind of motor Fig. 1 for being able to extend service life proposed by the present invention；
Fig. 4 is the partial structurtes enlarged drawing in the portion B in a kind of motor Fig. 1 for being able to extend service life proposed by the present invention.
In figure: 1 motor body, 2 heat dissipating housings, 3 air inlet fans, 4 annular cold water pipes, 5 pedestals, 6 connecting columns, 7 convex blocks, 8 the
One support rod, 9 second support bars, 10 supporting blocks, 11 placing grooves, 12 kellies, 13 first springs, 14 bar shaped slide openings, 15 brake bars,
16 blind holes, 17 grooves, 18 second springs, 19 gag lever posts, 20 connecting plates.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of motor being able to extend service life, including motor body 1 and pedestal 5 are please referred to, it is electronic
Machine ontology 1 is located at the top of pedestal 5, and the upper end of pedestal 5 is fixedly connected with connecting column 6, the one end of connecting column 6 far from pedestal 5 with
The lower end of motor body 1 is fixedly connected, and the upper end of motor body 1 is fixedly connected with heat dissipating housing 2, and the upper end of heat dissipating housing 2 is opened
Equipped with through-hole, the inside of through-hole is equipped with air inlet fan 3, and the two sides that the upper end of heat dissipating housing 2 is internally located at through-hole open up cavity, cavity
Inside be equipped with clamping mechanism, clamping mechanism includes the kelly 12 that cavity inside is arranged in, and kelly 12 is horizontally installed on cavity
Inside, the first spring 13 is equipped between the left side wall of one end cavity of kelly 12, and one end of kelly 12 and the first spring 13 are fixed
Connection, the one end of the first spring 13 far from kelly 12 are fixedly connected with the left side wall of cavity, and kelly 12 is far from the first spring 13
One end runs through the right side wall of cavity and extends to the inside of through-hole, and the position corresponding position of the side wall and kelly 12 of air inlet fan 3 opens up
There is card slot, card slot matches with kelly 12, and bar shaped slide opening 14 is offered on the upside of cavity, and bar shaped slide opening 14 is laterally setting, item
The internal slide of shape slide opening 14 is connected with brake bar 15, and brake bar 15 is vertically arranged, and one end of brake bar 15 extends to cavity
Inside and be fixedly connected with the bar wall of kelly 12, the other end of brake bar 15 passes through bar shaped slide opening 14 and extends outwardly, lever
The inner transverse that 15 one end for being located at outside bar shaped slide opening 14 are fixedly connected with handle sleeve heat dissipating housing 2 is equipped with annular cold water pipe 4, ring
The input terminal and output end of shape cold water pipe 4 extend through 2 or so two inner sidewalls of heat dissipating housing and extend outwardly, motor body
1 upside offers multiple air inlet holes, and the left and right sides of connecting column 6 is equipped with firm supporting mechanism, and firm supporting mechanism includes
One end of the convex block 7 being laterally arranged, convex block 7 is fixedly connected with the side wall of connecting column 6, and convex block 7 passes through far from one end of connecting column 6
First pivot pin is rotatably connected to first support bar 8, and first support bar 8 offers blind hole 16 far from one end of convex block 7, blind hole 16
Internal activity be equipped with second support bar 9, the bar wall of second support bar 9 be located at the partial symmetry in blind hole 16 open up there are two groove
17, the inside of two grooves 17 is all provided with limited position mechanism, and first support bar 8 is connect by position-limit mechanism with second support bar 9, the
Two support rods 9 extend to the outside of blind hole 16 far from one end of first support bar 8, and second support bar 9 is far from first support bar 8
It is rotatably connected to supporting block 10 by the second pivot pin, position mechanism includes the connecting plate 20 being arranged in inside groove 17, connecting plate 20
It is clamped with groove 17, along limited block is fixedly connected in the opening of groove 17, limited block and connecting plate 20 are clamped, groove 17
Bottom is equipped with second spring 18, and one end of second spring 18 is fixedly connected with the side of connecting plate 20, and second spring 18 is far from even
One end of fishplate bar 20 is fixedly connected with the bottom of groove 17, and connecting plate 20 is fixedly connected with limit far from the side of second spring 18
Bar 19, gag lever post 19 extend to the outside of groove 17, the side wall of blind hole 16 and the position of gag lever post 19 far from one end of connecting plate 20
It sets corresponding position and offers limit hole, limit hole matches with gag lever post 19, and the bar wall of first support bar 8 is located at the opening of limit hole
Place offers arc groove, and placing groove 11, the opposite side wall difference of two placing grooves 11 are offered at left and right sides of the upper end of pedestal 5
Through the two sides of pedestal 5, supporting block 10 can be placed.
In conclusion this is able to extend the motor of service life, in use, passing through the air inlet being arranged on heat dissipating housing 2
Fan 3, the inside that extraneous wind can be blown into heat dissipating housing 2 can by the way that the annular cold water pipe 4 inside heat dissipating housing 2 is arranged in
So that the wind that air inlet fan 3 is blown into inside heat dissipating housing 2 is cooled down, and then the inside of motor body 1 can be carried out quick
Effective heat dissipation, so that the service life of motor is extended, by the brake bar 15 being arranged on kelly 12, mobile brake bar
15 are able to drive the movement of kelly 12 and kelly 12 are made to squeeze the first spring 13, so that kelly 12 is detached from card slot, and then being convenient for will
Air inlet fan 3 takes out inside the through-hole, dismantles air inlet fan 3 convenient for staff, by be arranged on kelly 12 first
Spring 13 can apply an external force to kelly 12, so that kelly 12 and card slot are fitted close, and then enable to air inlet fan 3
Stabilization is fixed on heat dissipating housing 2, by two gag lever posts 19 being arranged in first support bar 8, while pressing two limits
Position bar 19 enables to two second springs 18 of two gag lever posts 19 while mobile extruding, so that two gag lever posts 19 are moved to
The inside of blind hole 16, and then convenient for being removed second support bar 9 from the inside of first support bar 8 and one will be provided to motor
Support force can increase the stability of motor placement.
Claims (8)
1. a kind of motor for being able to extend service life, including motor body (1) and pedestal (5), it is characterised in that: described
Motor body (1) is located at the top of pedestal (5), and the upper end of the pedestal (5) is fixedly connected with connecting column (6), the connection
Column (6) is fixedly connected far from the one end of pedestal (5) with the lower end of motor body (1), and the upper end of the motor body (1) is solid
Surely it being connected with heat dissipating housing (2), the upper end of the heat dissipating housing (2) offers through-hole, and the inside of the through-hole is equipped with air inlet fan (3),
The two sides that the upper end of the heat dissipating housing (2) is internally located at through-hole open up cavity, and the inside of the cavity is equipped with clamping mechanism, institute
The inner transverse for stating heat dissipating housing (2) is equipped with annular cold water pipe (4), the input terminal and output end difference of the annular cold water pipe (4)
Extend outwardly through heat dissipating housing (2) two inner sidewalls in left and right and, offers multiple air inlets on the upside of the motor body (1)
Hole is equipped with firm supporting mechanism at left and right sides of the connecting column (6).
2. a kind of motor for being able to extend service life according to claim 1, it is characterised in that: the clamping mechanism
Kelly (12) including cavity inside is arranged in, the kelly (12) are horizontally installed on the inside of cavity, the kelly (12)
The first spring (13) are equipped between the left side wall of one end cavity, one end and the first spring (13) of the kelly (12) are fixed to be connected
It connects, first spring (13) is fixedly connected far from the one end of kelly (12) with the left side wall of cavity, and the kelly (12) is separate
One end of first spring (13) runs through the right side wall of cavity and extends to the inside of through-hole, the side wall and card of the air inlet fan (3)
The position corresponding position of bar (12) offers card slot, and the card slot matches with kelly (12), offers item on the upside of the cavity
Shape slide opening (14), the bar shaped slide opening (14) are that laterally setting, the internal slide of the bar shaped slide opening (14) are connected with brake bar
(15), the brake bar (15) is vertically arranged, and one end of the brake bar (15) extends to the inside of cavity and and kelly
(12) bar wall is fixedly connected, and the other end of the brake bar (15) passes through bar shaped slide opening (14) and extends outwardly.
3. a kind of motor for being able to extend service life according to claim 2, it is characterised in that: the brake bar
(15) it is located at bar shaped slide opening (14) external one end and is fixedly connected with handle sleeve.
4. a kind of motor for being able to extend service life according to claim 1, it is characterised in that: the firm support
Mechanism includes the convex block (7) being laterally arranged, and one end of the convex block (7) is fixedly connected with the side wall of connecting column (6), the convex block
(7) one end far from connecting column (6) is rotatably connected to first support bar (8) by the first pivot pin, and the first support bar (8) is remote
One end from convex block (7) offers blind hole (16), and the internal activity of the blind hole (16) is equipped with second support bar (9), and described the
The partial symmetry that the bar wall of two support rods (9) is located in blind hole (16) is opened up there are two groove (17), two grooves (17)
Inside be all provided with limited position mechanism, the first support bar (8) is connect by position-limit mechanism with second support bar (9), described the
Two support rods (9) extend to the outside of blind hole (16) far from the one end of first support bar (8), and the second support bar (9) is remote
Supporting block (10) are rotatably connected to by the second pivot pin from first support bar (8).
5. a kind of motor for being able to extend service life according to claim 4, it is characterised in that: the position-limit mechanism
Including the connecting plate (20) internal in groove (17) is arranged, the connecting plate (20) and groove (17) are clamped, the groove (17)
Bottom be equipped with second spring (18), one end of the second spring (18) is fixedly connected with the side of connecting plate (20), described
Second spring (18) is fixedly connected far from the one end of connecting plate (20) with the bottom of groove (17), the connecting plate (20) separate the
The side of two springs (18) is fixedly connected with gag lever post (19), and the gag lever post (19) extends to far from the one end of connecting plate (20)
The outside of groove (17), the side wall of the blind hole (16) and the position corresponding position of gag lever post (19) offer limit hole, the limit
Position hole matches with gag lever post (19).
6. a kind of motor for being able to extend service life according to claim 5, it is characterised in that: first support
The opening that the bar wall of bar (8) is located at limit hole offers arc groove.
7. a kind of motor for being able to extend service life according to claim 5, it is characterised in that: the groove (17)
Opening in along limited block is fixedly connected with, the limited block and connecting plate (20) are clamped.
8. a kind of motor for being able to extend service life according to claim 1, it is characterised in that: the pedestal (5)
Upper end at left and right sides of offer placing groove (11), two opposite side walls of the placing groove (11) extend through pedestal (5)
Two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304372.8A CN109245430A (en) | 2018-11-04 | 2018-11-04 | A kind of motor being able to extend service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304372.8A CN109245430A (en) | 2018-11-04 | 2018-11-04 | A kind of motor being able to extend service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109245430A true CN109245430A (en) | 2019-01-18 |
Family
ID=65076745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811304372.8A Pending CN109245430A (en) | 2018-11-04 | 2018-11-04 | A kind of motor being able to extend service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672291A (en) * | 2019-02-25 | 2019-04-23 | 浙江晋特种电机有限公司 | A kind of permanent magnet synchronous motor heat dissipation base and its installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012021A (en) * | 1975-04-09 | 1977-03-15 | Duceppe Rolland R | Multi-adjustable electric motor support |
| CN206379836U (en) * | 2017-01-17 | 2017-08-04 | 东莞市永坤电机制造有限公司 | A kind of three-phase alternating-current motor with detachable heat dissipating housing |
| CN107040074A (en) * | 2017-06-05 | 2017-08-11 | 溧水县得瑞微型电机厂 | A kind of dust-proof damping shell of motor |
| CN206575283U (en) * | 2017-02-15 | 2017-10-20 | 温州职业技术学院 | A kind of motor firm banking |
| CN206611280U (en) * | 2017-04-12 | 2017-11-03 | 嵊州市苒芃电机有限公司 | A kind of motor for being easy to adjust |
| CN207753519U (en) * | 2017-11-28 | 2018-08-21 | 江苏力禾颜料有限公司 | A kind of fire-proof motor rack prepared for H acid monosodium salt |
| CN108560919A (en) * | 2018-07-02 | 2018-09-21 | 广西广厦环保科技有限公司 | A kind of fence of concrete pump convenient for cleaning |
| CN208046540U (en) * | 2018-04-16 | 2018-11-02 | 动能（北京）科技发展有限公司 | A kind of novel electricity generator |
-
2018
- 2018-11-04 CN CN201811304372.8A patent/CN109245430A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012021A (en) * | 1975-04-09 | 1977-03-15 | Duceppe Rolland R | Multi-adjustable electric motor support |
| CN206379836U (en) * | 2017-01-17 | 2017-08-04 | 东莞市永坤电机制造有限公司 | A kind of three-phase alternating-current motor with detachable heat dissipating housing |
| CN206575283U (en) * | 2017-02-15 | 2017-10-20 | 温州职业技术学院 | A kind of motor firm banking |
| CN206611280U (en) * | 2017-04-12 | 2017-11-03 | 嵊州市苒芃电机有限公司 | A kind of motor for being easy to adjust |
| CN107040074A (en) * | 2017-06-05 | 2017-08-11 | 溧水县得瑞微型电机厂 | A kind of dust-proof damping shell of motor |
| CN207753519U (en) * | 2017-11-28 | 2018-08-21 | 江苏力禾颜料有限公司 | A kind of fire-proof motor rack prepared for H acid monosodium salt |
| CN208046540U (en) * | 2018-04-16 | 2018-11-02 | 动能（北京）科技发展有限公司 | A kind of novel electricity generator |
| CN108560919A (en) * | 2018-07-02 | 2018-09-21 | 广西广厦环保科技有限公司 | A kind of fence of concrete pump convenient for cleaning |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672291A (en) * | 2019-02-25 | 2019-04-23 | 浙江晋特种电机有限公司 | A kind of permanent magnet synchronous motor heat dissipation base and its installation method |
| CN109672291B (en) * | 2019-02-25 | 2023-10-17 | 浙江晋一特种电机有限公司 | Heat dissipation base for permanent magnet synchronous motor and installation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190118 |