CN109236675A - A kind of electronic water pump - Google Patents

A kind of electronic water pump Download PDF

Info

Publication number
CN109236675A
CN109236675A CN201811123477.3A CN201811123477A CN109236675A CN 109236675 A CN109236675 A CN 109236675A CN 201811123477 A CN201811123477 A CN 201811123477A CN 109236675 A CN109236675 A CN 109236675A
Authority
CN
China
Prior art keywords
rear end
water pump
electronic water
spiral case
end cap
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
Application number
CN201811123477.3A
Other languages
Chinese (zh)
Inventor
夏水晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC Motor Corp Ltd
Original Assignee
Shanghai Xingfu Motorcycle Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Xingfu Motorcycle Co Ltd filed Critical Shanghai Xingfu Motorcycle Co Ltd
Priority to CN201811123477.3A priority Critical patent/CN109236675A/en
Publication of CN109236675A publication Critical patent/CN109236675A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/026Selection of particular materials especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to a kind of electronic water pumps, motor stator and the heat a part generated with rotor are transmitted on electric machine casing and shed, due to being equipped with spiral case in the front end of electric machine casing, the rear end of electric machine casing is equipped with rear end cap, so, a part of heat that motor stator and rotor generate can be distributed by spiral case and rear end cap, and, the heat that rear end cap enables to printed circuit board to generate sheds in time, improve the service life and functional reliability of printed circuit board, preceding radiating ribs group and rear radiating ribs group are respectively equipped on spiral case and rear end cap, so as to improve radiating efficiency.It can be seen that a kind of electronic water pump good heat dispersion performance of the invention, so as to improve the service life of electronic water pump, structure is simple, and cost is relatively low.

Description

A kind of electronic water pump
Technical field
The present invention relates to a kind of electronic water pumps, more particularly to a kind of electrical cooling water pump on automobile.
Background technique
In automobile manufacture, it is often necessary to coolant liquid is used, for example the engine of automobile needs to cool down, in order to cold to needing But position provides coolant liquid, just generally requires to use electronic water pump, electronic water pump generally comprises motor and motor-driven leaf Wheel, motor can generate heat at work, in order to guarantee that electronic water pump can reliably work, improve the service life of electronic water pump, The heat needs that electronic water pump generates when working distribute in time, and motor burn observations just otherwise would tend to occur and lead to electricity Sub- water pump can not work normally.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of electronic water pump, structure is simple, Perfect heat-dissipating.
To achieve the above object, the present invention provides a kind of electronic water pump, adopts the following technical scheme that a kind of electronic water pump, Including electric machine casing, spiral case and rear end cap, motor stator and rotor are equipped in the electric machine casing, the rotor Front end is connected with impeller, and the spiral case covers on the front end of electric machine casing and forms the impeller for accommodating impeller between the front end of motor Cavity, the rear end cap cover on the rear end of electric machine casing and form the electrical appearance for accommodating printed circuit board between the rear end of motor Chamber;The surface of the spiral case is equipped with preceding radiating ribs group, and the surface of the rear end cap is equipped with rear radiating ribs group.
Preferably, the center of the spiral case is equipped with the water inlet pipe that extends forward, be additionally provided on the spiral case in spiral case The tangent outlet pipe of chamber circumferential edge.
It is further preferable that the preceding radiating ribs group is arranged on the front end face of spiral case, the preceding radiating ribs group includes more The first radiating ribs extended from the lateral wall of water inlet pipe to the edge of spiral case.
Preferably, the rear radiating ribs group is arranged on the rear end face of rear end cap, and the rear radiating ribs group includes more and hangs down Straight second radiating ribs arranged in a crossed manner.
Preferably, more third radiating ribs are additionally provided on the circumferential side wall of the rear end cap.
Preferably, the rear end cap surface is coated with machine coating.
Preferably, the stator coil of the motor stator is together with stator core injection molding.
It is further preferable that being filled with PPS plastics between the lateral wall of the motor stator and the inner sidewall of electric machine casing.
It is further preferable that the motor stator and electric machine casing are also molded together.
As described above, a kind of electronic water pump of the present invention, has the following beneficial effects: in a kind of electronics of the invention In water pump, motor stator and the heat a part generated with rotor are transmitted on electric machine casing and shed, due in motor The front end of shell is equipped with spiral case, and the rear end of electric machine casing is equipped with rear end cap, so, generate one of motor stator and rotor Divide heat that can distribute by spiral case and rear end cap, moreover, the heat that rear end cap enables to printed circuit board to generate is timely It sheds, improves the service life and functional reliability of printed circuit board, radiating ribs group before being respectively equipped on spiral case and rear end cap With rear radiating ribs group, so as to improve radiating efficiency.It can be seen that a kind of electronic water pump good heat dispersion performance of the invention, So as to improve the service life of electronic water pump, structure is simple, and cost is relatively low.
Detailed description of the invention
Fig. 1 is shown as a kind of schematic perspective view of electronic water pump of the invention.
Fig. 2 is shown as a kind of perspective view of the explosion of electronic water pump of the invention.
Fig. 3 is shown as the structural schematic diagram of impeller and rotor.
Fig. 4 is shown as the front view of spiral case.
Fig. 5 is shown as the schematic perspective view from the rear side side of spiral case.
Fig. 6 is shown as the schematic perspective view from the front side of rear end cap.
Fig. 7 is shown as the rearview of rear end cap.
Component label instructions
1 electric machine casing
2 motor stators
3 rotors
4 spiral cases
5 water inlet pipes
6 outlet pipes
7 impeller cavities
Radiating ribs group before 8
9 rotor field spiders
10 rear end caps
11 electrical cavities
12 boss
Radiating ribs group after 13
14 radiating ribs
15 radiating ribs
16 radiating ribs
17 impellers
18 water inlets
19 water outlets
20 printed circuit boards
21 screws
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of electronic water pump, including electric machine casing 1, spiral case 4 and rear end cap 10, Motor stator 2 and rotor 3 are equipped in the electric machine casing 1, the front end of the rotor 3 is connected with impeller 17, described Spiral case 4 covers on the front end of electric machine casing 1 and forms the impeller cavity 7 (see Fig. 5) for accommodating impeller 17 between the front end of motor, The rear end cap 10 covers on the rear end of electric machine casing 1 and forms the electrical appearance for accommodating printed circuit board 20 between the rear end of motor Chamber 11 (see Fig. 6);See Fig. 1 and Fig. 4, the surface of the spiral case 4 is equipped with preceding radiating ribs group 8, the surface of the rear end cap 10 It is equipped with rear radiating ribs group 13 (see Fig. 2).
In a kind of electronic water pump of the invention, motor stator 2 and the heat a part generated with rotor 3 are transmitted to On electric machine casing 1 and shed, due to being equipped with spiral case 4 in the front end of electric machine casing 1, the rear end of electric machine casing 1 is equipped with rear end cap 10, So a part of heat that motor stator 2 and rotor 3 generate can be distributed by spiral case 4 and rear end cap 10, moreover, The heat that rear end cap 10 enables to printed circuit board 20 to generate sheds in time, improves the service life and work of printed circuit board 20 Make reliability, preceding radiating ribs group 8 and rear radiating ribs group 13 are respectively equipped on spiral case 4 and rear end cap 10, it is scattered so as to improve The thermal efficiency.It can be seen that a kind of electronic water pump good heat dispersion performance of the invention, so as to improve the use longevity of electronic water pump Life, structure is simple, and cost is relatively low.
As shown in figure 3, the center of the spiral case 4 is equipped with the water inlet pipe 5 that extends forward, it is additionally provided on the spiral case 4 and snail The tangent outlet pipe 6 in the lumen circumference side of shell 4.In electronic water pump work, liquid enters in impeller cavity 7 from water inlet pipe 5, And entered in impeller 17 from the water inlet of impeller 17 18, under the action of the centrifugal force that the rotation of impeller 17 generates, liquid is added It presses and is flowed out from the water outlet of impeller 17 19.The impeller 17 is driven by motor and selects, and rotor 3 is connected to impeller 17 Together, as a preferred embodiment, rotor 3 manufactures into a single integrated structure with impeller 17, can easily pacify in this way Dress rotor 3 and impeller 17, rotor 3 and impeller 17 can guarantee preferable concentricity.
It is stably rotated in order to enable rotor 3 is able to drive impeller 17, impeller 17 is avoided to generate in rotary course Vibration, as shown in Figure 4 and Figure 5, the center in the impeller cavity 7 of the spiral case 4 are equipped with rotor field spider 9, rotor 3 Front end is supported on rotor field spider 9, and the rear end of rotor 3 is supported on the center of the rear end face of electric machine casing 1, this Sample, the both ends of rotor 3 are firmly supported, and rotor 3 will not generate larger vibration when rotated.
It further include some main component of electrical machine, such as graphite bushing, magnetic in motor in a kind of electronic water pump of the invention Watt, graphite pads, pump shaft etc., the magnetic shoe can be 4, be fixed by the groove of stator core.Some portions about motor Part and structure are the prior art, are not described further herein.
As depicted in figs. 1 and 2, the spiral case 4 is fixed on the front end of electric machine casing 1, the rear end cap 10 by screw 21 The rear end of electric machine casing 1 is fixed on by screw 21.
In order to enable electronic water pump has preferable heat dissipation performance, as a preferred embodiment, the motor turns Electromagnetic coil and rotor core in son 3 are molded into an entirety;The stator coil and stator core of motor stator 2 are moulded in one It rises and forms an overall structure.In this way, the heat-conductive characteristic of rotor 3 and motor stator 2 is preferable, can dissipate quickly Heat.It is further preferable that PPS plastics are filled between the lateral wall of motor stator 2 and the inner sidewall of electric machine casing 1, in this way, institute It states motor stator 2 and electric machine casing 1 is also molded together, the heat that motor stator 2 generates can be quickly transmitted to motor casing Body 1 and distribute.Between motor housing and the stator coil of motor stator 2, infused between equal between stator coil and stator core Full PPS material, and the thermal conductivity of PPS material is 18W/mk, compared to the 0.03W/mk of air, the radiating efficiency of electronic water pump is obtained Very big promotion, and heat convection is formed between the liquid that is extracted of motor stator 2 and water pump, it reduces for printing electricity The temperature of road plate 20 influences.In order to further increase the radiating efficiency of electronic water pump, 10 surface of rear end cap applies organic painting Material, can be increased to 0.85 from 0.5 for radiance in this way.
As shown in Figure 1 and Figure 4, the preceding radiating ribs group 8 is arranged on the front end face of spiral case 4, and the preceding radiating ribs group 8 is wrapped Include the first radiating ribs 14 that the more lateral walls from water inlet pipe 5 extend to the edge of spiral case 4.Radiating ribs not only increase spiral case 4 The intensity on surface, while avoiding the thickness of spiral case 4 from increasing, and also add the heat dissipation area on 4 surface of spiral case, improve water pump Heat dissipation performance.As shown in fig. 7, radiating ribs group 13 is arranged on the rear end face of rear end cap 10 after described, the rear radiating ribs group 13 include the second radiating ribs 15 of more square crossings setting.In this way, being provided with the radiating ribs being evenly arranged on rear end cap 10, have Effect increases 15% heat dissipation area, as shown in fig. 6, the intermediate position of 10 inner sidewall of rear end cap can also concave heavy one Boss 12, since the trailing flank of rear end cap 10 uses the design that middle concave sinks, so that rear end cap 10 and printed circuit board 20 Gap is only 0.5mm, radiating efficiency is improved by the heat dissipation path reduced between printed circuit board 20 and rear end cap 10, so that print Printed circuit board 20 can preferably radiate, and improve the working performance and reliability of printed circuit board 20.In order to further increase electricity The heat-sinking capability of sub- water pump is additionally provided with more third radiating ribs as shown in Figure 6 and Figure 7 on the circumferential side wall of the rear end cap 10 16, it can be further improved the heat dissipation area of rear end cap 10 in this way, so that the heat-sinking capability of electronic water pump is more preferable.In order to further The heat dissipation performance for improving printed circuit board 20, between the main heater element on printed circuit board 20 at a distance, simultaneously Printed circuit board 20 uses 4 veneer structures, and hot via hole is opened up at main heater element, can make the thermal conductivity of vertical direction It is promoted from 0.3W/mk to 30W/mk.
A kind of electronic water pump of the invention is used generally as automotive electronics cooling water pump, spiral case 4 and rear end cap 10 it is outer Side wall surface improves surface radiating area using structures such as radiating ribs, and stator coil is made of injection molding manner, greatlys improve The radiating efficiency of stator interior, printed circuit board 20 use 4 laminates, by being uniformly distributed main heater element, increase via hole Area reduces the mutual interference between heater element, improves heat dissipation performance.The design that rear end cap 10 is sunk using middle concave, reduces print The gap of printed circuit board 20 and heat dissipation rear cover improves heat dissipation performance, and is coated with machine paint in rear cap surface, increases reflectivity. It is designed by these so that the radiating efficiency of electronic water pump is greatly improved, a kind of electronic water pump of the invention dissipates as a result, Hot property is preferable, and so as to improve the service life of electronic water pump, structure is simple, and cost is relatively low.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should be covered by the claims of the present invention.

Claims (9)

1. a kind of electronic water pump, characterized in that including electric machine casing (1), spiral case (4) and rear end cap (10), the electric machine casing (1) motor stator (2) and rotor (3) are equipped in, the front end of the rotor (3) is connected with impeller (17), the snail Shell (4) covers on the front end of electric machine casing (1) and forms the impeller cavity (7) for accommodating impeller (17), institute between the front end of motor Rear end cap (10) is stated to cover on the rear end of electric machine casing (1) and form the electricity for accommodating printed circuit board (20) between the rear end of motor Gas cavity (11);The surface of the spiral case (4) is equipped with preceding radiating ribs group (8), and the surface of the rear end cap (10) dissipates after being equipped with Hot muscle group (13).
2. electronic water pump according to claim 1, it is characterised in that: the center of the spiral case (4) is equipped with to be extended forward Water inlet pipe (5) is additionally provided on the spiral case (4) and the tangent outlet pipe (6) in the lumen circumference side of spiral case (4).
3. electronic water pump according to claim 2, it is characterised in that: the preceding radiating ribs group (8) is arranged in spiral case (4) On front end face, the preceding radiating ribs group (8) includes that a plurality of lateral wall from water inlet pipe (5) extends to the edge of spiral case (4) One radiating ribs (14).
4. electronic water pump according to claim 1, it is characterised in that: radiating ribs group (13) is arranged in rear end cap after described (10) on rear end face, the rear radiating ribs group (13) includes the second radiating ribs (15) of more square crossings setting.
5. electronic water pump according to claim 1, it is characterised in that: be additionally provided on the circumferential side wall of the rear end cap (10) More third radiating ribs (16).
6. electronic water pump according to claim 1, it is characterised in that: rear end cap (10) surface applies organic coating.
7. electronic water pump according to claim 1, it is characterised in that: the stator coil and stator of the motor stator (2) Iron core is molded together.
8. electronic water pump according to claim 7, it is characterised in that: the lateral wall and motor casing of the motor stator (2) PPS plastics are filled between the inner sidewall of body (1).
9. electronic water pump according to claim 7, it is characterised in that: the motor stator (2) is also infused with electric machine casing (1) Modeling is together.
CN201811123477.3A 2018-09-26 2018-09-26 A kind of electronic water pump Pending CN109236675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811123477.3A CN109236675A (en) 2018-09-26 2018-09-26 A kind of electronic water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811123477.3A CN109236675A (en) 2018-09-26 2018-09-26 A kind of electronic water pump

Publications (1)

Publication Number Publication Date
CN109236675A true CN109236675A (en) 2019-01-18

Family

ID=65057571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811123477.3A Pending CN109236675A (en) 2018-09-26 2018-09-26 A kind of electronic water pump

Country Status (1)

Country Link
CN (1) CN109236675A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011140954A (en) * 2011-02-15 2011-07-21 Yukio Ota Horizontal shaft centrifugal pump
CN205078504U (en) * 2015-11-03 2016-03-09 常州市武进亚太机电配件有限公司 High efficiency high leakproofness electronic pump
CN105952684A (en) * 2016-06-17 2016-09-21 四川五洲仁信科技有限公司 New energy automobile electronic water pump and control system and method
CN107127693A (en) * 2017-05-17 2017-09-05 上海幸福摩托车有限公司 For fixing the test bracket of water pump and method for fixation test water pump
CN107237759A (en) * 2017-07-18 2017-10-10 广东威灵电机制造有限公司 Electronic water pump
CN207004840U (en) * 2017-06-21 2018-02-13 上海幸福摩托车有限公司 A kind of small-sized electric water pump
CN207363892U (en) * 2017-10-27 2018-05-15 江苏全风环保科技有限公司 Vortex pump pump cover
CN208996972U (en) * 2018-09-26 2019-06-18 上海幸福摩托车有限公司 A kind of electronic water pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011140954A (en) * 2011-02-15 2011-07-21 Yukio Ota Horizontal shaft centrifugal pump
CN205078504U (en) * 2015-11-03 2016-03-09 常州市武进亚太机电配件有限公司 High efficiency high leakproofness electronic pump
CN105952684A (en) * 2016-06-17 2016-09-21 四川五洲仁信科技有限公司 New energy automobile electronic water pump and control system and method
CN107127693A (en) * 2017-05-17 2017-09-05 上海幸福摩托车有限公司 For fixing the test bracket of water pump and method for fixation test water pump
CN207004840U (en) * 2017-06-21 2018-02-13 上海幸福摩托车有限公司 A kind of small-sized electric water pump
CN107237759A (en) * 2017-07-18 2017-10-10 广东威灵电机制造有限公司 Electronic water pump
CN207363892U (en) * 2017-10-27 2018-05-15 江苏全风环保科技有限公司 Vortex pump pump cover
CN208996972U (en) * 2018-09-26 2019-06-18 上海幸福摩托车有限公司 A kind of electronic water pump

Similar Documents

Publication Publication Date Title
CN106341007B (en) The manufacturing method of electric drive pump
CN111255735B (en) Electrically driven pump
US7976293B2 (en) Centrifugal fan
CN106337824B (en) A kind of volute casing centrifugal blower fan of novel belt permanent magnetic brushless system
CN106321506B (en) Rotor assembly and electric drive pump
CN209375320U (en) A kind of servo motor water cooling plant
CN207974973U (en) A kind of electronic water pump to be radiated using itself fluid media (medium)
CN107476987A (en) Electronic water pump
JP2008185038A (en) Pump
CN109462303A (en) A kind of electric machine casing and its motor mount that thermal diffusivity is high
CN102480191B (en) DC (direct-current) brushless motor structure
CN208996972U (en) A kind of electronic water pump
CN110195706A (en) A kind of electronic water pump to be radiated using itself medium
CN109236675A (en) A kind of electronic water pump
CN201639437U (en) Motor fan
CN207819620U (en) A kind of motor field frame and motor
CN107947470B (en) Air-cooled integrated motor
CN203239572U (en) Brushless direct current sliding vane rotary vacuum pump
CN208241524U (en) A kind of motor and rotor
CN112751449B (en) Cooling structure of oil-cooled permanent magnet motor for vehicle
CN208112398U (en) Rear cover, heat dissipation aluminium block unitary module control fan motor
CN211692878U (en) Circulation cooling type heat radiation fan
CN202059304U (en) Scooter direct current brushless motor with large length-diameter ratio
CN207892862U (en) The fan leaf mounting structure of air-cooled servo motor
CN219809158U (en) High-efficient natural wind cooling heat dissipation fan

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20190710

Address after: Building No. 18, 998 Tongji Road, Baoshan District, Shanghai, 20199

Applicant after: Huayu Pilberg Pump Technology Co., Ltd.

Address before: 1999 No. 998 Tongji Road, Baoshan District, Shanghai

Applicant before: Shanghai Xingfu Motorcycle Co., Ltd.

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200525

Address after: 200031 No. 390, Wukang Road, Xuhui District, Shanghai

Applicant after: SAIC MOTOR CORP Ltd.

Applicant after: SAIC Motor Corporation Ltd.

Address before: Building No. 18, 998 Tongji Road, Baoshan District, Shanghai, 20199

Applicant before: HUAYU PIERBOGE PUMP TECHNOLOGY Co.,Ltd.

TA01 Transfer of patent application right