CN115614141A - Safety speed-regulating water pump for vehicle and method - Google Patents
Safety speed-regulating water pump for vehicle and method Download PDFInfo
- Publication number
- CN115614141A CN115614141A CN202211295818.1A CN202211295818A CN115614141A CN 115614141 A CN115614141 A CN 115614141A CN 202211295818 A CN202211295818 A CN 202211295818A CN 115614141 A CN115614141 A CN 115614141A
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- Prior art keywords
- water pump
- speed
- disc
- belt pulley
- driven shaft
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Classifications
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- 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
- F01P5/12—Pump-driving arrangements
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- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
- F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
- F16D27/06—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces with friction surfaces arranged within the flux
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
Abstract
The invention discloses a vehicle safety type speed-regulating water pump and a method, belonging to the technical field of vehicle water pumps, and comprising a water pump shell, wherein a shaft connecting bearing is arranged in the water pump shell, one end of the shaft connecting bearing is sleeved with an impeller, and the other end of the shaft connecting bearing is connected with a driven shaft; the outer side of the water pump shell is connected with the belt pulley through a belt pulley bearing, the driven shaft is provided with a spring type safety speed regulating device, the spring type safety speed regulating device transmits all or part of the rotating speed of the belt pulley to the driven shaft when in work, and transmits all the rotating speed of the belt pulley to the driven shaft when an external circuit breaks down. The water pump is provided with the spring type safety speed regulating device, so that the water pump can work at full speed when the electromagnetic coil is powered off, and the spring type speed regulating device ensures that the driving force of the water pump during full-speed work is not influenced by the high-temperature environment of an engine, so that the use failure rate is further reduced; when the coil is electrified, the water pump works at low speed, and when the speed-regulating water pump circuit breaks down, the water pump automatically turns to a full-speed working state, so that the normal running of the vehicle is not influenced.
Description
Technical Field
The invention belongs to the technical field of water pumps for vehicles, and particularly relates to a safe speed-regulating water pump for a vehicle and a method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
As is well known, a water pump cools an engine by circulating a coolant. The water pump also consumes a large amount of power of the engine, and the speed of the water pump can be adjusted to be a necessary trend. The impeller of traditional engine water pump is driven by belt pulley and engine crankshaft and is rotated, for this reason need provide a water pump of adjustable speed.
The speed-adjustable water pump can obviously increase the temperature rise speed of an engine in a low-temperature stage of the engine, particularly in a cold start stage, so that the oil consumption is reduced, but when the temperature of the engine is increased to a set temperature, the water pump needs to be directly driven to work, and when the whole engine works, the water pump needs to be directly driven to work for most of time, an electromagnetic coil of the common speed-adjustable water pump needs to be electrified for a long time to keep a high-speed state, so that the electric energy of a vehicle is wasted, and when a circuit fails, the water pump cannot work at full speed. Most of conventional safe speed-regulating water pumps on the market provide magnetic force for permanent magnets to drive the water pumps to directly drive the water pumps to work, the temperature of an engine is high, and the magnetic force of the permanent magnets can be weakened and eliminated in a high-temperature environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vehicle safety speed-regulating water pump and a method, wherein the water pump is provided with a spring type safety speed-regulating device, so that the water pump can work at full speed when an electromagnetic coil is powered off, and the spring type speed-regulating device ensures that the driving force of the water pump during full-speed work is not influenced by the high-temperature environment of an engine, thereby further reducing the use failure rate; when the coil is electrified, the water pump works at low speed, and when the speed-regulating water pump circuit breaks down, the water pump automatically turns to a full-speed working state, so that the normal running of the vehicle is not influenced.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a vehicle safety speed-regulating water pump, which comprises a water pump shell, wherein a shaft connecting bearing is arranged in the water pump shell, one end of the shaft connecting bearing is sleeved with an impeller, and the other end of the shaft connecting bearing is connected with a driven shaft; the outer side of the water pump shell is connected with the belt pulley through a belt pulley bearing, the driven shaft is provided with a spring type safety speed regulating device, the spring type safety speed regulating device transmits all or part of the rotating speed of the belt pulley to the driven shaft when in work, and transmits all the rotating speed of the belt pulley to the driven shaft when an external circuit breaks down.
As a further technical scheme, the spring type safety speed regulating device comprises a magnet fixing disc, the magnet fixing disc is connected with a belt pulley, a driving disc is arranged between the belt pulley and the magnet fixing disc, a driving spring is arranged between the belt pulley and the driving disc, and the driving disc can axially move between the belt pulley and the magnet fixing disc.
As a further technical scheme, an iron core component is arranged in the belt pulley cavity, and the iron core component and the driving disc are oppositely arranged.
As a further technical scheme, the iron core component comprises an iron core, a coil is arranged in the iron core, and the iron core is fixedly connected with the water pump shell through an iron core support.
As a further technical scheme, a friction sheet component is arranged between the driving disc and the magnet fixing disc.
As a further technical scheme, friction surfaces are arranged on two sides of each friction plate component; the friction plate part comprises an elastic support, the elastic support is fixedly connected with the driven shaft, and friction materials are arranged on two sides of the elastic support.
As a further technical scheme, the driven shaft is fixedly connected with the heat dissipation disc, a magnet is arranged on one surface, away from the belt pulley, of the magnet fixing disc, a gap is formed between the magnet and the heat dissipation disc, and an iron disc is arranged in the heat dissipation disc.
As a further technical scheme, a limiting block is arranged between the belt pulley and the magnet fixing disc.
As a further technical scheme, the belt pulley is provided with a non-magnetic conductive filling material, or the belt pulley is provided with a magnetic isolation groove.
In a second aspect, the invention further provides a speed regulation method of the vehicular safety speed regulation water pump, which includes the following steps:
the belt pulley is driven by a vehicle engine to rotate, when a coil of the iron core component is not electrified or a circuit fails, the driving disk is attached to a friction surface of the friction sheet component and the end surface of the magnet fixing disk under the action of elastic force generated by the driving spring, and at the moment, the spring type safety speed regulation device transmits all the rotating speeds of the belt pulley to the driven shaft;
when the coil of the iron core component is electrified, the magnetic force generated by the coil attracts the driving disc to enable the driving disc to be attached to the end face of the belt pulley, the driving disc is separated from the friction surface of the friction plate component, the other friction surface of the friction plate component is separated from the end face of the magnet fixing disc, the magnet arranged on the magnet fixing disc and the heat dissipation disc rotate relatively to generate an electromagnetic induction phenomenon to drive the heat dissipation disc to rotate in a differential mode, meanwhile, the driven shaft is driven to rotate in a differential mode, and at the moment, the spring type safety speed regulation device transmits the partial rotating speed of the belt pulley to the driven shaft.
The beneficial effects of the invention are as follows:
the speed-regulating water pump is provided with the spring type safety speed-regulating device, so that the speed-regulating water pump can be controlled to work as required without being started in the engine temperature-rising stage, and the engine is increased to the working temperature as fast as possible on the premise of meeting the heat dissipation requirement of the system, so that the normal running of a vehicle is not influenced while the fuel economy of a motor vehicle is improved and the emission of harmful substances is reduced.
According to the speed-regulating water pump, when the iron core component is powered off, the driving disc is attached to the friction surface of the friction sheet component and the end face of the magnet fixing disc under the action of the elastic force generated by the driving spring, and the spring type safety speed-regulating device transmits all the rotating speeds of the belt pulley to the driven shaft, so that the water pump works at full speed, and the electric energy consumption of an engine can be effectively saved. When the iron core component is electrified, the driving disk is attached to the end face of the belt pulley, the friction sheet component is separated from the end face of the magnet fixing disk, the spring type safety speed regulating device transmits the partial rotating speed of the belt pulley to the driven shaft, the water pump works at low speed, and when a speed regulating water pump circuit fails, the water pump automatically turns to a full-speed working state, and normal running of a vehicle is not influenced.
When the water pump works at full speed, the speed-regulating water pump is driven by the spring, and the driving force is not weakened by the high temperature of the engine.
According to the speed-regulating water pump, the belt pulley is arranged on the water pump shell through the bearing, so that the service life of the shaft connecting bearing is prolonged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a speed-regulating water pump according to the present invention;
fig. 2 is a schematic view of the construction of the core assembly of the present invention;
FIG. 3 is a schematic structural diagram of the spring type safety governor of the present invention;
fig. 4 (a) is a schematic view of an arrangement of core members according to embodiment 1 of the present invention;
fig. 4 (b) is a schematic view of another arrangement of the core members in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a core member according to embodiment 2 of the present invention;
FIG. 6 is a schematic view of the structure of a pulley according to example 3 of the present invention;
in the figure: the space or size between each other is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein: 1. the magnetic pump comprises an impeller, 2 a water seal, 3 a water pump shell, 4 a shaft connecting bearing, 5 an iron core component, 51 an iron core bracket, 52 an iron core, 53 a coil, 54 a large coil, 55 a small coil, 56 an integrated iron core, 6 a belt pulley bearing, 7 a belt pulley, 71 filling materials, 72 a magnetism isolating groove, 8 a driving spring, 9 a driving disc, 10 a magnet fixing disc, 11 a friction plate component, 111 friction materials, 112 an elastic bracket, 12 a magnet, 13 a heat dissipation disc, 14 a driven shaft and 15 a limiting block.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As described in the background, the water pump cools the engine by circulating the coolant, and consumes a large amount of power of the engine, and the speed of the water pump is inevitably adjusted. Traditional engine water pump's impeller is driven rotatoryly by belt pulley and engine crankshaft, need provide a speed governing's water pump for this reason urgently, when engine temperature promoted the settlement temperature, the water pump need directly drive work to in the complete machine during operation, the water pump is direct drive work for the majority time, ordinary speed governing water pump solenoid needs the long-time circular telegram to keep the high-speed state, extravagant vehicle electric energy, and when the circuit broke down, the unable full speed work of water pump.
Example 1:
in a typical embodiment of the present invention, as shown in fig. 1, a vehicle safety type speed-regulating water pump is provided, which includes a water pump housing 3, a water seal 2, a shaft coupling bearing 4, an impeller 1, and a spring type safety speed-regulating device, wherein the water pump housing 3 is internally provided with the shaft coupling bearing 4, one end of the shaft coupling bearing 4 is sleeved with the water seal 2 and the impeller 1, the other end is connected with a driven shaft 14, and the driven shaft 14 is pivotally connected with the water pump housing 3 through the shaft coupling bearing 4.
The driven shaft 14 is provided with a spring type safety speed regulating device, the spring type safety speed regulating device transmits all or part of the rotating speed of the belt pulley 7 to the driven shaft 14 when in work, and transmits all the rotating speed of the belt pulley 7 to the driven shaft 14 when an external circuit is in fault.
As shown in fig. 1 and 3, the spring type safety speed regulation device is composed of an iron core component 5, a belt pulley 7, a driving spring 8, a driving disk 9, a friction plate component 11, a heat dissipation disk 13, a magnet fixing disk 10, a limiting block 15 and a magnet 12; the belt pulley 7 is pivoted with the water pump shell 3 through a belt pulley bearing 6, and the axial lead of the driven shaft 14 is superposed with the axial lead of the belt pulley 7.
The belt pulley 7 is provided with a cavity, the iron core component 5 is arranged in the cavity, and the axial lead of the iron core component 5 is coincided with the axial lead of the belt pulley 7; as shown in fig. 2, the core component 5 includes a core 52, a coil 53, and a core support 51, the core support 51 and the core 52 can be fixed by means of screws, welding, riveting, or the like, and the coil 53 is disposed in the core 52. The iron core bracket 51 is fixedly connected with the water pump housing 3. The coils of the core member and the drive plate are disposed opposite to each other.
The number of the drive springs 8 can be 2 or more, the drive springs 8 are arranged between the belt pulley 7 and the drive disc 9, the drive disc 9 is arranged between the belt pulley 7 and the magnet fixing disc 10, the drive disc 9 can axially move between the belt pulley 7 and the magnet fixing disc 10, and the friction plate part 11 is arranged between the drive disc 9 and the magnet fixing disc 10. The driving spring is compressed or reset within the axial moving stroke range of the driving disc. The driving spring is a common spring and drives the driving disc to shift.
The friction plate part 11 is provided with two friction surfaces, namely, the friction surfaces are arranged on both sides of the friction plate part 11; the friction plate member 11 includes an elastic bracket 112, and the elastic bracket 112 is fixedly mounted on the driven shaft 14 together with the heat dissipation disc 13 to rotate in synchronization with the driven shaft 14. The elastic support 112 is provided with friction materials 111 on both sides. The elastic support can transmit power to the driven shaft when the driving disc drives friction, and can also enable the two friction surfaces to elastically reset when the driving disc is far away from the friction sheet part, so that the elastic reset is applied.
The magnet 12 is arranged on the surface of the magnet fixing disc 10 far away from the belt pulley 7, and a reasonable gap is formed between the magnet and the heat dissipation disc 13. An iron plate is arranged in the heat dissipation plate 13.
A limiting block 15 is arranged between the belt pulley 7 and the magnet fixing disc 10. The magnet fixed disk passes through stopper fixed mounting on the belt pulley, and stopper quantity can be 1 or a plurality of. The stopper steerable magnet fixed disk mounted position guarantees the reasonable axial displacement space of driving-disc.
The working principle of the vehicular safety speed-regulating water pump is as follows:
(1) The pulley 7 is driven by the vehicle engine to rotate, when the coil 53 of the iron core component 5 is not electrified or the circuit is in failure, the driving disk 9 is attached to the friction surface of the friction plate component 11 and the end surface of the magnet fixing disk 10 under the action of the elastic force generated by the driving spring 8, and at the moment, the spring type safety speed regulation device transmits all the rotating speeds of the pulley 7 to the driven shaft 14;
(2) The belt pulley 7 is driven by a vehicle engine to rotate, when a coil 53 of an iron core component 5 is electrified, magnetic force generated by the coil 53 attracts a driving disk 9, so that the driving disk 9 is attached to the end face of the belt pulley 7, the driving disk 9 is separated from a friction surface of a friction plate component 11, the other friction surface of the friction plate component 11 is separated from the end face of a magnet fixing disk 10 under the action of an elastic support 112, a magnet 12 mounted on the magnet fixing disk 10 and an iron disk in a heat dissipation disk 13 rotate relatively to generate an electromagnetic induction phenomenon, a magnetic field generated by the electromagnetic induction drives the heat dissipation disk 13 to rotate in a differential speed mode, meanwhile, a driven shaft 14 is driven to rotate in a differential speed mode, and at the moment, the spring type safety speed regulating device transmits partial rotating speed of the belt pulley 7 to the driven shaft 14.
The belt pulley 7 is filled or welded with a non-magnetic conductive filling material 71.
As shown in fig. 4, the number of the coils 53 in this embodiment is 1, and in order to improve the service life and reduce the power loss, two coils of different sizes may be used in combination, and the arrangement of the large coils 54 and the small coils 55 may be arranged in parallel, or may be arranged inside and outside, without distinguishing the order. The control strategy can use two coils to be electrified simultaneously, and after the driving disc 9 is jointed with the belt pulley 7, one coil is powered off, and the other coil is powered on and kept. The service life of the speed-regulating water pump is prolonged, and the electric energy loss is reduced.
Example 2:
in this embodiment, the core 52 and the core support 51 may be made of a single structure during the manufacturing process, as shown in fig. 5. The rest is the same as in example 1.
Example 3:
as shown in fig. 6, in this embodiment, a magnetic isolation groove 72 is directly formed in the pulley 7 without using a filler 71.
The safe speed-adjustable water pump for the vehicle can be not started in the temperature rise stage of the engine, the speed-adjustable water pump is controlled to meet the requirement of the engine to work as required, and the engine is increased to the working temperature as fast as possible on the premise of meeting the heat dissipation requirement of a system, so that the normal operation of the vehicle is not influenced while the fuel economy of the motor vehicle is improved and the emission of harmful substances is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A safe speed-regulating water pump for a vehicle is characterized by comprising a water pump shell, wherein a shaft connecting bearing is arranged in the water pump shell, one end of the shaft connecting bearing is sleeved with an impeller, and the other end of the shaft connecting bearing is connected with a driven shaft; the outer side of the water pump shell is connected with the belt pulley through a belt pulley bearing, the driven shaft is provided with a spring type safety speed regulating device, the spring type safety speed regulating device transmits all or part of the rotating speed of the belt pulley to the driven shaft when in work, and transmits all the rotating speed of the belt pulley to the driven shaft when an external circuit breaks down.
2. A safety governor water pump as claimed in claim 1, wherein the spring type safety governor means comprises a magnet fixing disc, the magnet fixing disc is connected to a pulley, a driving disc is disposed between the pulley and the magnet fixing disc, and a driving spring is disposed between the pulley and the driving disc, the driving disc being axially movable between the pulley and the magnet fixing disc.
3. A safety speed-regulating water pump as claimed in claim 2, wherein the pulley cavity is provided with an iron core component, and the iron core component and the driving disc are oppositely arranged.
4. A safety governor water pump for vehicles as claimed in claim 3, wherein the iron core member comprises an iron core having a coil disposed therein, and the iron core is fixedly connected to the water pump housing through an iron core bracket.
5. A safety speed-regulating water pump as claimed in claim 2, wherein a friction plate member is provided between said driving disk and said magnet fixing disk.
6. A vehicular safety governor water pump according to claim 5, wherein the friction plate member has friction surfaces on both sides; the friction plate part comprises an elastic support, the elastic support is fixedly connected with the driven shaft, and friction materials are arranged on two sides of the elastic support.
7. The vehicular safety speed-regulating water pump as claimed in claim 2, wherein the driven shaft is fixedly connected to the heat-dissipating disc, a magnet is mounted on a side of the magnet-fixing disc remote from the pulley, a gap is provided between the magnet and the heat-dissipating disc, and an iron disc is provided in the heat-dissipating disc.
8. The vehicular safety speed-regulating water pump according to claim 2, wherein a stopper is provided between the pulley and the magnet fixing disk.
9. A safety speed-regulating water pump for vehicle as claimed in claim 1, wherein the belt pulley is provided with a non-magnetic filler or a magnetic isolation groove.
10. A method for regulating speed of a vehicular safety governor water pump according to any one of claims 1 to 9, characterized by comprising the steps of:
the belt pulley is driven by a vehicle engine to rotate, when a coil of the iron core component is not electrified or a circuit fails, the driving disk is attached to a friction surface of the friction sheet component and the end surface of the magnet fixing disk under the action of elastic force generated by the driving spring, and at the moment, the spring type safety speed regulation device transmits all the rotating speeds of the belt pulley to the driven shaft;
when the coil of the iron core component is electrified, the magnetic force generated by the coil attracts the driving disc to enable the driving disc to be attached to the end face of the belt pulley, the driving disc is separated from the friction surface of the friction plate component, the other friction surface of the friction plate component is separated from the end face of the magnet fixing disc, the magnet arranged on the magnet fixing disc and the heat dissipation disc rotate relatively to generate an electromagnetic induction phenomenon to drive the heat dissipation disc to rotate in a differential mode, meanwhile, the driven shaft is driven to rotate in a differential mode, and at the moment, the spring type safety speed regulating device transmits the rotating speed of the belt pulley to the driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211295818.1A CN115614141A (en) | 2022-10-21 | 2022-10-21 | Safety speed-regulating water pump for vehicle and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211295818.1A CN115614141A (en) | 2022-10-21 | 2022-10-21 | Safety speed-regulating water pump for vehicle and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115614141A true CN115614141A (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211295818.1A Pending CN115614141A (en) | 2022-10-21 | 2022-10-21 | Safety speed-regulating water pump for vehicle and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145887A (en) * | 2023-09-14 | 2023-12-01 | 浙江俊博汽车部件有限公司 | Electromagnetic clutch for automobile air conditioner compressor and production process thereof |
-
2022
- 2022-10-21 CN CN202211295818.1A patent/CN115614141A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145887A (en) * | 2023-09-14 | 2023-12-01 | 浙江俊博汽车部件有限公司 | Electromagnetic clutch for automobile air conditioner compressor and production process thereof |
| CN117145887B (en) * | 2023-09-14 | 2024-03-19 | 浙江俊博汽车部件有限公司 | Electromagnetic clutch for automobile air conditioner compressor and production process thereof |
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