CN109469649A - A kind of automotive electronics cooling water pump of high-efficient low-noise - Google Patents
A kind of automotive electronics cooling water pump of high-efficient low-noise Download PDFInfo
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- CN109469649A CN109469649A CN201811377686.0A CN201811377686A CN109469649A CN 109469649 A CN109469649 A CN 109469649A CN 201811377686 A CN201811377686 A CN 201811377686A CN 109469649 A CN109469649 A CN 109469649A
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- rotor
- impeller
- spiral case
- water pump
- cooling water
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- 239000000498 cooling water Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 4
- 241000237858 Gastropoda Species 0.000 claims 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 7
- 229920000069 polyphenylene sulfide Polymers 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of automotive electronics cooling water pump of high-efficient low-noise, since the center in rotor cavity rear end is equipped with the first snap ring, the shaft rear end of rotor is supported in the first snap ring, the center of the spiral case is equipped with the second snap ring, and the shaft front end of the rotor is supported in the second snap ring, and impeller is connected between the shaft front and back ends of rotor, so, rotor is firmly supported, and can smoothly be rotated, is not likely to produce vibration and noise.
Description
Technical field
The present invention relates to a kind of automotive electronics cooling water pumps of high-efficient low-noise, in particular to a kind of to be applied to automobile engine
The electrical cooling water pump of system.
Background technique
As important conveying equipment for fluid substances, automobile cooling water pump is the core component of engine-cooling system, performance
The dynamic property, economy and service life of vehicle are had a major impact.It is more reliable as automotive performance is towards safer, it is more stable, entirely
The direction of automatic intelligent and environmental protection and energy saving is developed, and requirement of the automobile cooling water pump to performance and structure is also continuously improved.
Since mechanical water pump driving power is transmitted by automobile engine, the revolving speed of revolving speed and engine is directly proportional, when
When engine works under low speed and heavy load operating condition, the revolving speed of water pump is also low, and this reduces the cooling capacities of engine.It passes
There is drawback in the mechanical water pump of system, its operational efficiency is relatively low due to space limitations at runtime, and operating condition is not often being set
Lead to flow-induced vibration noise under meter operating condition, and is difficult to be applicable on new-energy automobile.Electric water pump is controlled by engine
By current control, it is not influenced unit by engine speed at that time, can be flexible according to the practical cooling requirement of engine
Work, it has also become the direction of automobile cooling system pump development.But interfering with each other between signal, operational efficiency, reliability, noise
It is still to restrict its widely applied technical bottleneck with manufacturing expense and product cost.
The water pump rotor bearing of electrical cooling water pump in the prior art is not firm enough, is easier to generate vibration at runtime
Moving noise causes frictional resistance when water pump operation larger, and operational efficiency is lower.
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 automotive electronics of high-efficient low-noise
Cooling water pump, the vibration that when operation generates are made an uproar smaller.
To achieve the above object, the present invention provides a kind of automotive electronics cooling water pump of high-efficient low-noise, using following technology
Scheme: a kind of automotive electronics cooling water pump of high-efficient low-noise, including pump seat, rotor and spiral case are sealed in the pump seat
Field frame assembly, pump seat have rotor cavity, and field frame assembly is set to the outside of rotor cavity；
The rotor is set in rotor cavity, and the center of rotor cavity rear end is equipped with the first snap ring, and motor turns
The shaft rear end of son is supported in the first snap ring；
Impeller is connected in the shaft of the rotor, the spiral case is connected to the front end of pump seat, and spiral case has impeller
Cavity, the impeller are located in impeller cavity；
The center of the spiral case is equipped with the second snap ring, and the shaft front end of the rotor is supported on the second snap ring
In.
Preferably, the center of the spiral case leading flank is equipped with water inlet, and the side of spiral case is equipped with cuts from spiral case edge
To the water outlet of extension；The leading flank of spiral case is equipped with a plurality of the first reinforcing rib being centered around around water inlet, each first reinforcing rib
Extend from the root of water inlet to the edge of spiral case.
Preferably, the rear end of the pump seat is equipped with rear cover, and the trailing flank of rear cover is equipped with a plurality of from rear cover center back lid side
The second reinforcing rib that edge extends.
Preferably, the field frame assembly is connect with circuit board, and field frame assembly is using PPS plastic pouring in pump seat.
Preferably, the quantity of the blade quantity of the impeller and the first reinforcing rib is relatively prime.
Preferably, the impeller and rotor injection molding are into a single integrated structure.
Preferably, uniformly distributed around first snap ring there are three connecting pins, and one end of connecting pin is connected to the first snap ring
Edge, the other end is connected on the inner wall of water inlet.
Preferably, the impeller is receded disk impeller.
Preferably, V-groove is equipped at the cut water of the spiral case.
As described above, a kind of automotive electronics cooling water pump of high-efficient low-noise of the present invention, has the advantages that
Since the center in rotor cavity rear end is equipped with the first snap ring, the shaft rear end of rotor is supported in the first snap ring,
The center of the spiral case is equipped with the second snap ring, and the shaft front end of the rotor is supported in the second snap ring, and impeller connects
It connects between the shaft front and back ends of rotor, so, rotor is firmly supported, and can smoothly be rotated, and is not easy to produce
Raw vibration and noise.
Detailed description of the invention
Fig. 1 is shown as the outline structural diagram of electrical cooling water pump.
Fig. 2 is shown as the structural schematic diagram of the electrical cooling water pump from the front of spiral case.
Fig. 3 is shown as the diagrammatic cross-section of the cutting from A-A in Fig. 2.
Fig. 4 is shown as the structural schematic diagram of the electrical cooling water pump from the dead astern of pump seat.
Fig. 5 is shown as the volute structure schematic diagram from the inside of spiral case.
Fig. 6 is shown as the spiral case schematic perspective view from spiral case inside.
Component label instructions
1 pump seat
2 rotors
3 spiral cases
4 field frame assemblies
5 rotor cavities
6 first snap rings
7 shafts
8 impellers
9 impeller cavities
10 second snap rings
11 water inlets
12 water outlets
13 first reinforcing ribs
14 second reinforcing ribs
15 connecting pins
16 cut waters
17 V-grooves
18 bearings
19 rear covers
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 shown in Figure 1 to Figure 3, the present invention provides a kind of automotive electronics cooling water pump of high-efficient low-noise, including pump seat 1, electricity
Machine rotor 2 and spiral case 3 are sealed with field frame assembly 4 in the pump seat 1, and pump seat 1 has rotor cavity 5, and field frame assembly 4, which is set to, to be turned
The outside of sub- cavity 5；
The rotor 2 is set in rotor cavity 5, and the center of 5 rear end of rotor cavity is equipped with the first snap ring 6, electricity
7 rear end of shaft of machine rotor 2 is supported in the first snap ring 6；
Impeller 8 is connected in the shaft 7 of the rotor 2, the spiral case 3 is connected to the front end of pump seat 1, and spiral case 3 has
There is impeller cavity 9, the impeller 8 is located in impeller cavity 9；
The center of the spiral case 3 is equipped with the second snap ring 10, and 7 front end of shaft of the rotor 2 is supported on second
In snap ring 10.
Since the center in 5 rear end of rotor cavity is equipped with the first snap ring 6,7 rear end of shaft of rotor 2 is supported on
In first snap ring 6, the center of the spiral case 3 is equipped with the second snap ring 10, and 7 front end of shaft of the rotor 2 is supported on
In second snap ring 10, impeller 8 is connected between 7 front and back ends of shaft of rotor 2, so, rotor 2 is by firm twelve Earthly Branches
It holds, can smoothly rotate, be not likely to produce vibration and noise.It is described due to being equipped with the second snap ring 10 in the center of spiral case 3
7 front end of shaft of rotor 2 is supported in the second snap ring 10, in this way, the axial force that generates can be by the when impeller 8 rotates
One snap ring 6 is born, and so as to effectively balancing axial thrust, improves the operation stability of water pump.
As shown in Figure 5 and Figure 6, uniformly distributed there are three connecting pin 15 around first snap ring 6, one end of connecting pin 15 connects
It connects at the edge of the first snap ring 6, the other end is connected on the inner wall of water inlet 11.In this way, the first snap ring 6 can be connected firmly
On spiral case 3, the gap between three connecting pins 15 can also ensure that water flow swimmingly can flow into impeller 8 from water inlet 11
In.
As a preferred embodiment, can be in the position close to impeller 8 and close to the position of the second snap ring 10
The shaft 7 is supported using bearing 18, the wheelbase of complete machine can be shortened in this way, reduces coefficient of friction, reduces abrasion, improves water pump
Efficiency.Impeller 8 can use receded disk impeller 8, and the blade of impeller 8 uses twisted blade, to improve pump efficiency and cavitation
Performance.
As depicted in figs. 1 and 2, the center of 3 leading flank of spiral case is equipped with water inlet 11, and the side of spiral case 3 is equipped with
The water outlet 12 tangentially extending from 3 edge of spiral case；The leading flank of spiral case 3 adds equipped with a plurality of first be centered around around water inlet 11
Strengthening tendons 13, each first reinforcing rib 13 extend from the root of water inlet 11 to the edge of spiral case 3.First reinforcing rib 13 is not only able to increase
Add the structural strength and rigidity of spiral case 3, and can preferably radiate.
In order to enable the structural strength and rigidity of water pump are more preferable, and can more efficiently it radiate, as shown in figure 4, the pump
The rear end of seat 1 is equipped with rear cover 19, and the trailing flank of rear cover 19 is equipped with a plurality of second extended from 19 center back lid of rear cover, 19 edge
Reinforcing rib 14, the second reinforcing rib 14 neither will increase the wall thickness of rear cover 19, additionally it is possible to the strength and stiffness of rear cover 19 are effectively increased,
Increase radiating efficiency.In order to enable act on pressure on rear cover 19 and the pressure that acts on spiral case 3 can partial offset, rear cover
19 and spiral case 3 structure it is asymmetric, final remaining axial force is directed toward 11 direction of water inlet, therefore is provided in 11 position of water inlet
First snap ring 6, with the axial force of the shaft 7 of balance motor rotor 2.In addition, the structure asymmetry of rear cover 19 and spiral case 3 also can
Prevent rear cover 19 from resonating with 3 recurring structure of spiral case and generating vibration and make an uproar.It is further preferable that the blade quantity and first of the impeller 8
The quantity of reinforcing rib 13 is relatively prime (relatively prime is two integers that common divisor only has 1), can avoid impeller 8 leaf frequency in this way, effectively
It avoids resonating, reduces noise.Preferably, there are 5 blades in impeller 8, there are 7 the first reinforcing ribs 13 on spiral case 3.
As a preferred embodiment, referring to FIG. 3, the field frame assembly 4 is connect with circuit board, field frame assembly 4
Using PPS plastics, (PPS plastics are also referred to as polyphenylene sulfide, are a kind of thermoplastic special engineering plastics of excellent combination property, dash forward
Out the characteristics of is high temperature resistant, corrosion-resistant and superior mechanical performance) it is cast in pump seat 1.In this way, the conducting wire in field frame assembly 4
It is sealed in pump seat 1, can reliably insulate.Can also by the impeller 8 and rotor 2 using PPS plastic injection at
Integral structure reliably insulate so that the conducting wire injection molding in rotor 2 is sealed guarantee.As shown in figure 3, the impeller
The generally rectangular shaped structure in the longitudinal section of cavity 9, under same cross-sectional, the pressure fluctuation of 9 wall surface of impeller cavity of rectangular section is small, drop
Low-vibration noise.
The noise generated when in order to further decrease water pump operation, as a preferred embodiment, such as Fig. 5 and Fig. 6
It is shown, V-groove 17 is equipped at the cut water 16 of the spiral case 3, the notch of V-shaped groove is towards the direction opposite with water outlet 12, in this way
It is capable of increasing the gap between impeller 8 and cut water 16, is conducive to the balance flowing of liquid, reduces noise.
In a kind of automotive electronics cooling water pump of high-efficient low-noise of the invention, impeller 8 is supported by preposition bearing 18, motor
Rotor 2 uses PPS plastic pouring into a single integrated structure with impeller 8, support shaft of the shaft 7 as rotor 2 and impeller 8, motor
Rotor 2 can neatly be rotated with impeller 8 with around the shaft 7.4 part of field frame assembly also uses the pouring of PPS plastics to be sealed in pump
In seat 1.In this way, field frame assembly 4 and rotor 2 are sealed and making water not can enter, excellent insulating property.Stator
It is a toroidal cavity between assembly 4 and rotor 2, rotor cavity 5 is connected to impeller cavity 9, rotor chamber and motor stator
The electrical components such as the drive circuit board of coil and motor are completely isolated, and circuit board is in such a way that screw connects and welds, with pump
Seat connection.
A kind of automotive electronics cooling water pump course of work of high-efficient low-noise of the invention are as follows: after DC brushless motor is powered,
Rotor starts to start and drive shaft and impeller to rotate, and forms low-pressure area, water inlet in receded disk impeller water inlet
The effect of fluid pressure difference flow into the impeller of pump, the impeller blade of rotation does work to the liquid stream in runner, and generating centrifugal force will
Liquid is discharged into spiral case, the most water outlet of Zhongdao water pump, finally plays the effect to fluid pressurized.Motor passes through rear-mounted
Motor drive controller receives the signal of cooling system and judges to electric machine speed regulation, to meet the needs of system radiating.
A kind of automotive electronics cooling water pump of high-efficient low-noise of the invention uses driven by Brush-Less DC motor water pump, it is therefore an objective to
Reduce interference of the pump group signal to automotive control system, especially electromagnetism Interference and electromagnetic interference, at the same direct current without
The efficiency of brush motor is higher, can reach energy-efficient effect.There is the axle sleeve of direct injection molding among rotor, axle sleeve passes through note
Modeling is linked to be with magnet is integrally formed rotor.In the case of energization, rotor occurs induction with stator and is rotated.Water pump
Import and export and spiral case are molded into organic one.Motor drive controller differentiates revolving speed according to engine signal, tests
Pulse width modulates the control that (PWM) carries out motor speed.
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 automotive electronics cooling water pump of high-efficient low-noise, characterized in that including pump seat (1), rotor (2) and spiral case
(3), it is sealed with field frame assembly (4) in the pump seat (1), pump seat (1) has rotor cavity (5), and field frame assembly (4) is set to rotor
The outside of cavity (5)；
The rotor (2) is set in rotor cavity (5), and the center of rotor cavity (5) rear end is equipped with the first snap ring
(6), shaft (7) rear end of rotor (2) is supported in the first snap ring (6)；
It is connected with impeller (8) in the shaft (7) of the rotor (2), the spiral case (3) is connected to the front end of pump seat (1), snail
Shell (3) has impeller cavity (9), and the impeller (8) is located in impeller cavity (9)；
The center of the spiral case (3) is equipped with the second snap ring (10), and shaft (7) front end of the rotor (2) is supported on
In second snap ring (10).
2. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: before the spiral case (3)
The center of side is equipped with water inlet (11), and the side of spiral case (3) is equipped with the water outlet tangentially extending from spiral case (3) edge
(12)；The leading flank of spiral case (3) is equipped with a plurality of the first reinforcing rib (13) being centered around around water inlet (11), each first reinforcing rib
(13) extend from the root of water inlet (11) to the edge of spiral case (3).
3. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: the pump seat (1)
Rear end is equipped with rear cover (19), and the trailing flank of rear cover (19) is equipped with a plurality of the extended from rear cover (19) center back lid (19) edge
Two reinforcing ribs (14).
4. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: the field frame assembly
(4) it is connect with circuit board, field frame assembly (4) is using PPS plastic pouring in pump seat (1).
5. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: the impeller (8)
The quantity of blade quantity and the first reinforcing rib (13) is relatively prime.
6. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: the impeller (8) and
Rotor (2) injection molding is into a single integrated structure.
7. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: first snap ring
(6) uniformly distributed around there are three connecting pin (15), and one end of connecting pin (15) is connected to the edge of the first snap ring (6), the other end
It is connected on the inner wall of water inlet (11).
8. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: the impeller (8) is
Receded disk impeller (8).
9. the automotive electronics cooling water pump of high-efficient low-noise according to claim 1, it is characterised in that: the spiral case (3)
V-groove (17) are equipped at cut water (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377686.0A CN109469649A (en) | 2018-11-19 | 2018-11-19 | A kind of automotive electronics cooling water pump of high-efficient low-noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377686.0A CN109469649A (en) | 2018-11-19 | 2018-11-19 | A kind of automotive electronics cooling water pump of high-efficient low-noise |
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| Publication Number | Publication Date |
|---|---|
| CN109469649A true CN109469649A (en) | 2019-03-15 |
Family
ID=65673077
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811377686.0A Pending CN109469649A (en) | 2018-11-19 | 2018-11-19 | A kind of automotive electronics cooling water pump of high-efficient low-noise |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017288A (en) * | 2019-05-15 | 2019-07-16 | 苏州玲珑汽车科技有限公司 | Electronic water pump for automobile |
| CN110925220A (en) * | 2019-12-23 | 2020-03-27 | 珠海格力电器股份有限公司 | Water pump |
| WO2022110464A1 (en) * | 2020-11-27 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Micro water pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022110464A1 (en) * | 2020-11-27 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Micro water pump |
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Effective date of registration: 20190708 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. |
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Effective date of registration: 20200527 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. |
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