CN108343618A - A kind of electronic water pump - Google Patents

A kind of electronic water pump Download PDF

Info

Publication number
CN108343618A
CN108343618A CN201810134426.4A CN201810134426A CN108343618A CN 108343618 A CN108343618 A CN 108343618A CN 201810134426 A CN201810134426 A CN 201810134426A CN 108343618 A CN108343618 A CN 108343618A
Authority
CN
China
Prior art keywords
heat
cavity
circuit board
control circuit
water pump
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.)
Granted
Application number
CN201810134426.4A
Other languages
Chinese (zh)
Other versions
CN108343618B (en
Inventor
陈兰英
陈昊
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.)
Se (xiamen) Intelligent Technology Co Ltd
Original Assignee
Se (xiamen) Intelligent Technology 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 Se (xiamen) Intelligent Technology Co Ltd filed Critical Se (xiamen) Intelligent Technology Co Ltd
Priority to CN201810134426.4A priority Critical patent/CN108343618B/en
Publication of CN108343618A publication Critical patent/CN108343618A/en
Application granted granted Critical
Publication of CN108343618B publication Critical patent/CN108343618B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D13/0673Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
    • 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
    • F04D29/5813Cooling the control unit
    • 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

Landscapes

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

Abstract

The present invention provides a kind of electronic water pump, including shell, rotor assembly, stator module and control circuit board;Mutually isolated accommodating cavity and fluid cavity are equipped in shell;Stator module and control circuit board are set in accommodating cavity;Rotor assembly is set in fluid cavity;Heat dissipation cavity is additionally provided in housing body;Heat-conducting silicone grease or heat conductive silica gel are filled in heat dissipation cavity.Electronic water pump provided by the invention makes the heat in control circuit board pass through heat-conducting plate and is quickly transmitted in heat dissipation cavity by the way that heat dissipation cavity is arranged on the position close to fluid cavity;By filling heat-conducting silicone grease or heat conductive silica gel in heat dissipation cavity and arc cooling fin being arranged with increasing heat radiation area, the heat of intracavitary that radiates walked by the fluid fast speed belt in fluid cavity simultaneously, the normal work for influencing electronic water pump to avoid gathering amount of heat in control circuit board.

Description

A kind of electronic water pump
Technical field
The present invention relates to water pump technology, more particularly to a kind of electronic water pump.
Background technology
Electronic water pump is widely used in the car radiation circulatory system, and following for heat eliminating medium is provided in heat dissipation circulating system Ring mobilization dynamic.In existing electronic water pump for automobile, rotor is controlled by controller and is cooperated with stator, impeller turns It is dynamic;Circuit board in controller will produce amount of heat when working, and electronic water pump circuit board in the prior art passes through air stream Logical heat dissipation, heat dissipation effect is general, gathers a large amount of thermal energy in operational process in the pump case of electronic water pump, affects electronic water pump Working efficiency, the circuit board of electronic water pump may be burnt when serious, therefore the electronic water pump of relatively high power generally requires substantially Long-pending cooling fin or use built-in fans radiates, this can cause electronic water pump overall volume to increase with the increase of power Greatly.
Invention content
To solve the deficiency that the above-mentioned prior art is mentioned, the present invention provides a kind of electronic water pump, including shell, rotor set Part, stator module and control circuit board;Mutually isolated accommodating cavity and fluid cavity are equipped in the shell;
The stator module and the control circuit board are set in the accommodating cavity;The stator module and control electricity Road plate is electrically connected, and the stator module generates rotating excitation field under the control of the control circuit board;
The rotor assembly is set in the fluid cavity, the rotor assembly include the rotating cylinder made of permanent-magnet materials with And the impeller being connected with the rotating cylinder, the rotating cylinder drive the wheel rotation under the driving of the rotating excitation field;
It is additionally provided with heat dissipation cavity in connected housing body;The heat dissipation cavity is connected with the accommodating cavity;
Heat-conducting plate is additionally provided in the control circuit board, one end of the heat-conducting plate is fixed in the control circuit board, The other end of the heat-conducting plate stretches into the heat dissipation cavity;Heat-conducting silicone grease or heat conductive silica gel are filled in the heat dissipation cavity.
Further, it is additionally provided with arc cooling fin on the heat-conducting plate;The arc cooling fin is located in the heat dissipation cavity; The arc cooling fin and the inner wall of the heat dissipation cavity fit.
Further, the shell includes drive end bearing bracket, rear end cap and housing body;The drive end bearing bracket and the housing body It encloses and constitutes the fluid cavity;The rear end cap is enclosed with the housing body constitutes the accommodating cavity.
Further, inlet and outlet are additionally provided on the drive end bearing bracket.
Further, the rear end cap is equipped with circular recess, and the circular recess is equipped with venthole, the venthole On be covered with waterproof ventilated membrane, be additionally provided with circular cover in the circular recess, the circular cover and the circular recess it Between have gap, the gap is connected with the external world.
Further, sensor and holder are additionally provided in the control circuit board;The sensor is fixed by the bracket In the control circuit board.
Further, rotor shaft core is equipped in the fluid cavity;One end of the rotor shaft core is fixed with the shell to be connected It connects;The impeller is rotatably mounted in the rotor shaft core.
Electronic water pump provided by the invention makes control circuit board by the way that heat dissipation cavity is arranged on the position close to fluid cavity On heat be quickly transmitted in heat dissipation cavity by heat-conducting plate;By filled in heat dissipation cavity heat-conducting silicone grease or heat conductive silica gel, And arc cooling fin is set with increasing heat radiation area, while the heat of intracavitary that radiates is walked by the fluid fast speed belt in fluid cavity, To avoid gathering amount of heat in control circuit board.Electronic water pump provided by the invention is ensureing that it is good that electronic water pump has With excellent heat dissipation performance while leakproofness, control circuit board can be made in the case where not increasing electronic water pump volume When controlling electronic water pump with the Power operation of bigger, a large amount of heat will not be gathered and influence the normal work of electronic water pump.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is the exploded perspective view of electronic water pump provided in an embodiment of the present invention;
Fig. 2 is the vertical view of electronic water pump provided in an embodiment of the present invention;
Fig. 3 is A-A sectional views in Fig. 2;
Fig. 4 is Fig. 3 middle housing part sectional views;
Fig. 5 is rear end cap part-structure schematic diagram in Fig. 1;
Fig. 6 is control circuit board part-structure schematic diagram in Fig. 1.
Reference numeral:
11 drive end bearing bracket, 12 rear end cap, 13 housing body
14 rotor shaft core, 15 separate layer, 20 rotor assembly
21 rotating cylinder, 22 impeller, 30 stator module
40 control circuit board, 41 heat-conducting plate, 42 arc cooling fin
43 sensor, 44 holder, 50 accommodating cavity
60 fluid cavity, 70 heat dissipation cavity, 111 water inlet
112 water outlet, 121 circular recess, 122 venthole
123 circular covers
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair The limitation of the present invention.In addition, " first " that uses, " second " and similar word be not offered as any sequence, quantity or Importance, and the component part for only having used differentiation different.
As shown in Figure 1 to 4, electronic water pump provided in an embodiment of the present invention, including shell, rotor assembly 20, stator pack Part 30 and control circuit board 40;Mutually isolated accommodating cavity 50 and fluid cavity 60 are equipped in the shell;The stator module 30 and the control circuit board 40 be set to the accommodating cavity 50 in;The stator module 30 electrically connects with the control circuit board 40 It connects, the stator module 30 generates rotating excitation field under the control of the control circuit board 40;The rotor assembly 20 is set to institute It states in fluid cavity 60, the rotor assembly 20 includes the rotating cylinder 21 made of permanent-magnet materials and is connected with the rotating cylinder 21 Impeller 22, the rotating cylinder 21 driven under the driving of the rotating excitation field impeller 22 rotate;
Heat dissipation cavity 70 is additionally provided in connected housing body 13;The heat dissipation cavity 70 is connected with the accommodating cavity 50;It is described Heat-conducting plate 41 is additionally provided in control circuit board 40, one end of the heat-conducting plate 41 is fixed in the control circuit board 40, described The other end of heat-conducting plate 41 stretches into the heat dissipation cavity 70;Heat-conducting silicone grease or heat conductive silica gel are filled in the heat dissipation cavity 70.
Specifically, as shown in Figure 1, shell includes drive end bearing bracket 11, rear end cap 12 and housing body 13;Wherein housing body 13 Inside is divided into upper and lower two mutually isolated cavity spaces, the cavity of drive end bearing bracket 11 and 13 top of housing body by separate layer 15 Space, which is enclosed, constitutes the fluid cavity 60, and water inlet 111 and water outlet 112 are additionally provided on drive end bearing bracket 11;Rear end cap 12 and shell The cavity space of 13 lower section of main body, which is enclosed, constitutes the accommodating cavity 50;
Rotor assembly 20 includes rotating cylinder 21 and the impeller 22 being wholely set with rotating cylinder 21;Rotating cylinder 21 and impeller 22 are by turning Sub- shaft core 14 is mounted in fluid cavity 60, and can the rotation in fluid cavity 60 around rotor shaft core 14;Rotating cylinder 21 is by permanent-magnet materials It is made, cross section is in annular shape, as shown in figure 4, it is ring-shaped that fluid cavity 60, which is located at the segment space inside housing body 13, Groove, rotating cylinder 21 are located in the ring-shaped groove and can be rotated in ring-shaped groove;As shown in figure 3,30 He of stator module Control circuit board 40 is set in accommodating cavity 50;Stator module 30 is electrically connected with control circuit board 40, and in control circuit board 40 Control under generate rotating excitation field;The impeller 22 under the driving of the rotating excitation field of rotating cylinder 21 rotates, to drive fluid Fluid motion in chamber 60, and then the fluid in fluid cavity 60 is pumped into specified position by water outlet 112.
Heat dissipation cavity 70 is additionally provided in housing body 13, heat dissipation cavity 70 is connected with accommodating cavity 50, while heat dissipation cavity 70 is close Fluid cavity 60;Heat-conducting plate 41 is additionally provided in control circuit board 40, heat-conducting plate 41 is by the good material system of the thermal conductivity such as aluminium alloy, copper At;One end of heat-conducting plate 41 is fixed in the control circuit board 40, and the other end of heat-conducting plate 41 stretches into heat dissipation cavity 70;Heat conduction Plate 41 stretches on one end of heat dissipation cavity 70 and is also associated with arc cooling fin 42;Arc cooling fin 42 is by the good material system of thermal conductivity At;Inner surface contour shape of the expansion shape of arc cooling fin 42 with heat dissipation cavity 70 close to 60 side of fluid cavity is identical, and arc dissipates Inner wall of the backing 42 with heat dissipation cavity 70 close to 60 side of fluid cavity fits;Heat-conducting silicone grease or heat conduction are filled in heat dissipation cavity 70 Silica gel.
At work, the heat that control circuit board 40 generates can pass through heat conduction to electronic water pump provided in an embodiment of the present invention Plate 41 is quickly transmitted on arc cooling fin 42, and transfers heat to heat dissipation cavity 70 and fluid cavity 60 by arc cooling fin 42 Between shell on, since the fluid in fluid cavity 60 is in flow regime under the action of impeller 22, the stream under flow regime Body can fast speed belt walk the heat between heat dissipation cavity 70 and fluid cavity 60 in region, it is big to avoid gathering in control circuit board 40 The heat of amount and the working efficiency for influencing electronic water pump;The heat-conducting silicone grease with high thermal conductivity is also filled in heat dissipation cavity 70 Or heat conductive silica gel, the contact area of heat-conducting plate 41 and 70 inner wall of cooling fin and heat dissipation cavity can be further increased, heat is improved The efficiency transmitted is measured, so as to quickly will be in the heat transfer in control circuit board 40 to the fluid in fluid cavity 60.
Preferably, the rear end cap 12 is equipped with circular recess 121, and the circular recess 121 is equipped with through-hole, described logical Be covered with waterproof ventilated membrane on hole, be additionally provided with circular cover 123 in the circular recess 121, the circular cover 123 with it is described There is gap, the gap is connected with the external world between circular recess 121.Specifically, as shown in Figure 1 and Figure 5, in rear end cap 12 It is equipped with circular recess 121, venthole 122 is equipped in the intermediate region of circular recess 121, venthole 122 penetrates through rear end cap 12, Accommodating cavity 50 can be connected to the external world by venthole 122;It is covered with waterproof air ventilation membrane on venthole 122, enables air to lead to 122 into or out accommodating cavity 50 of venthole is crossed, and liquid can not enter accommodating cavity 50 by venthole 122;Round recessed It falls on 121 and is additionally provided with circular cover 123, as shown in figure 5, being additionally provided with multiple protrusions in circular recess 121, make circular cover There is gap, gap is connected with the external world between 123 and circular recess 121.Air in accommodating cavity 50 by venthole 122 with And gap can take away the partial heat in accommodating cavity 50 when being discharged to the external world, to further decrease temperature in accommodating cavity 50, Pass through the integral heat sink performance of electronic water pump.
Preferably, sensor 43 and holder 44 are additionally provided in the control circuit board 40;The sensor 43 passes through holder 44 are fixed in the control circuit board 40.Specifically, it is additionally provided in control circuit board 40 and is revolved for detecting rotor assembly 20 Gyration and the sensor of rotary speed 43;As shown in fig. 6, sensor 43 is fixedly connected on control circuit board 40 by holder 44 On, it is exactly in predetermined installation site when sensor 43 can be made to install by holder 44, is installed improving sensor 43 While efficiency, sensor 43 is enable more accurately to detect 20 rotation angle of rotor assembly and rotary speed.
Electronic water pump provided in an embodiment of the present invention makes control by the way that heat dissipation cavity is arranged on the position close to fluid cavity Heat on circuit board is quickly transmitted in heat dissipation cavity by heat-conducting plate;By filling heat-conducting silicone grease or heat conduction in heat dissipation cavity Simultaneously arc cooling fin is arranged with increasing heat radiation area in silica gel, while walking the intracavitary that radiates by the fluid fast speed belt in fluid cavity Heat, to avoid gathering amount of heat in control circuit board.Electronic water pump provided in an embodiment of the present invention is ensureing electronic water With excellent heat dissipation performance while pump is with good sealing property, can make in the case where not increasing electronic water pump volume When control circuit board controls Power operation of the electronic water pump with bigger, a large amount of heat will not be gathered and influence electronic water pump just Often work.
Although herein it is more used such as shell, fluid cavity, accommodating cavity, heat dissipation cavity, separate layer, stator module, The terms such as rotor assembly, control circuit board, rotating cylinder, impeller, heat-conducting plate, but it does not preclude the possibility of using other terms.Make It is only for the convenience of describing and explaining the nature of the invention with these terms;It is additional to be construed as any type Limitation is all disagreed with spirit of that invention.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (7)

1. a kind of electronic water pump, including shell, rotor assembly (20), stator module (30) and control circuit board (40);It is special Sign is:Mutually isolated accommodating cavity (50) and fluid cavity (60) are equipped in the shell;
The stator module (30) and the control circuit board (40) are set in the accommodating cavity (50);The stator module (30) It is electrically connected with the control circuit board (40), the stator module (30) generates under the control of the control circuit board (40) Rotating excitation field;
The rotor assembly (20) is set in the fluid cavity (60), and the rotor assembly (20) includes being made of permanent-magnet materials Rotating cylinder (21) and the impeller (22) that is connected with the rotating cylinder (21), driving of the rotating cylinder (21) in the rotating excitation field It is lower to drive impeller (22) rotation;
It is additionally provided with heat dissipation cavity (70) in the housing body (13);The heat dissipation cavity (70) is connected with the accommodating cavity (50);
Heat-conducting plate (41) is additionally provided on the control circuit board (40), one end of the heat-conducting plate (41) is fixed on the control electricity On road plate (40), the other end of the heat-conducting plate (41) stretches into the heat dissipation cavity (70);It is filled with and leads in the heat dissipation cavity (70) Hot silicone grease or heat conductive silica gel.
2. electronic water pump according to claim 1, it is characterised in that:It is additionally provided with arc cooling fin on the heat-conducting plate (41) (42);The arc cooling fin (42) is located in the heat dissipation cavity (70);The arc cooling fin (42) and the heat dissipation cavity (70) inner wall fits.
3. electronic water pump according to claim 1, it is characterised in that:The shell includes drive end bearing bracket (11), rear end cap (12) and housing body (13);The drive end bearing bracket (11) is enclosed with the housing body (13) constitutes the fluid cavity (60);It is described Rear end cap (12) is enclosed with the housing body (13) constitutes the accommodating cavity (50).
4. electronic water pump according to claim 3, it is characterised in that:It is additionally provided with water inlet on the drive end bearing bracket (11) (111) and water outlet (112).
5. electronic water pump according to claim 3, it is characterised in that:The rear end cap (12) is equipped with circular recess (121), the circular recess (121) is equipped with venthole (122), is covered with waterproof ventilated membrane on the venthole (122), institute It states and is additionally provided with circular cover (123) in circular recess (121), between the circular cover (123) and the circular recess (121) With gap, the gap is connected with the external world.
6. electronic water pump according to claim 1, it is characterised in that:It is additionally provided with sensor on the control circuit board (40) (43) and holder (44);The sensor (43) is fixed on by holder (44) in the control circuit board (40).
7. electronic water pump according to claim 1, it is characterised in that:Rotor shaft core is equipped in the fluid cavity (60) (14);One end of the rotor shaft core (14) is fixedly connected with the shell;The impeller (22) is rotatably mounted on described In rotor shaft core (14).
CN201810134426.4A 2018-02-09 2018-02-09 Electronic water pump Active CN108343618B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810134426.4A CN108343618B (en) 2018-02-09 2018-02-09 Electronic water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810134426.4A CN108343618B (en) 2018-02-09 2018-02-09 Electronic water pump

Publications (2)

Publication Number Publication Date
CN108343618A true CN108343618A (en) 2018-07-31
CN108343618B CN108343618B (en) 2024-05-07

Family

ID=62959176

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810134426.4A Active CN108343618B (en) 2018-02-09 2018-02-09 Electronic water pump

Country Status (1)

Country Link
CN (1) CN108343618B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980069A (en) * 2018-08-22 2018-12-11 芜湖飞龙汽车电子技术研究院有限公司 A kind of plastic packaging shell convenient for electronic water pump test
CN114060307A (en) * 2020-07-29 2022-02-18 四川航天世源汽车部件有限公司 High-reliability electronic water pump rotor mounting structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080118380A1 (en) * 2006-11-20 2008-05-22 Aisan Kogyo Kabushiki Kaisha Fluid pump
EP2166230A1 (en) * 2008-09-19 2010-03-24 Grundfos Management A/S Pump power unit
CN103140685A (en) * 2010-09-29 2013-06-05 爱信精机株式会社 Electric pump
WO2014003287A1 (en) * 2012-06-27 2014-01-03 지엠비코리아 주식회사 Electric water pump
KR20180008141A (en) * 2016-07-15 2018-01-24 한온시스템 주식회사 High voltage cooling fan motor unit
CN208503038U (en) * 2018-02-09 2019-02-15 赛默(厦门)智能科技有限公司 A kind of electronic water pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080118380A1 (en) * 2006-11-20 2008-05-22 Aisan Kogyo Kabushiki Kaisha Fluid pump
EP2166230A1 (en) * 2008-09-19 2010-03-24 Grundfos Management A/S Pump power unit
CN103140685A (en) * 2010-09-29 2013-06-05 爱信精机株式会社 Electric pump
WO2014003287A1 (en) * 2012-06-27 2014-01-03 지엠비코리아 주식회사 Electric water pump
KR20180008141A (en) * 2016-07-15 2018-01-24 한온시스템 주식회사 High voltage cooling fan motor unit
CN208503038U (en) * 2018-02-09 2019-02-15 赛默(厦门)智能科技有限公司 A kind of electronic water pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980069A (en) * 2018-08-22 2018-12-11 芜湖飞龙汽车电子技术研究院有限公司 A kind of plastic packaging shell convenient for electronic water pump test
CN114060307A (en) * 2020-07-29 2022-02-18 四川航天世源汽车部件有限公司 High-reliability electronic water pump rotor mounting structure

Also Published As

Publication number Publication date
CN108343618B (en) 2024-05-07

Similar Documents

Publication Publication Date Title
KR101601099B1 (en) Electric Water Pump with Coolant Passage
CN109114007A (en) Electric water pump
CA2626775A1 (en) Pump apparatus and method
CN107476987B (en) Electronic water pump
CN106573667B (en) Pod propulsion equipment and its cooling means
CN108343618A (en) A kind of electronic water pump
CN208503038U (en) A kind of electronic water pump
CN104410182B (en) Electric pump
CN109253283A (en) A kind of electrically-controlled valve
CN208539724U (en) Electronic water pump
CN207161350U (en) A kind of novel well immersible pump
CN216064526U (en) Water circulation cooling motor controller for high-pressure cleaning machine
KR101456622B1 (en) Electric motion water meter
CN216628293U (en) Food processor with optimized heat dissipation
CN213027677U (en) Effectual fan motor of shock attenuation
JP2000230494A (en) Warm fluid circulating machine
CN108227870A (en) A kind of cooling device for computing device
CN210628847U (en) Distribution box for building machine electricity
CN208058596U (en) A kind of LED lamps cooling device
CN210490620U (en) Explosion-proof type self-cooling servo motor frame
CN208241526U (en) A kind of New-type electric machine
CN204117080U (en) For the water-cooling head of water cooling type CPU heating radiator
CN207603390U (en) A kind of electric vehicle permanent magnet synchronous motor
CN208608853U (en) A kind of New energy automobile motor of high efficiency and heat radiation
CN208128724U (en) A kind of liquid-cooling heat radiation structure of bidirectional pressing

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
GR01 Patent grant
GR01 Patent grant