CN111873760A - Temperature control pressure relief warm air multi-way valve for vehicle and temperature control system - Google Patents
Temperature control pressure relief warm air multi-way valve for vehicle and temperature control system Download PDFInfo
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- CN111873760A CN111873760A CN202010858502.3A CN202010858502A CN111873760A CN 111873760 A CN111873760 A CN 111873760A CN 202010858502 A CN202010858502 A CN 202010858502A CN 111873760 A CN111873760 A CN 111873760A
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- flow passage
- working cavity
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- temperature
- warm air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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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
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
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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
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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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
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention relates to a temperature control pressure relief warm air multi-way valve and a temperature control system for a vehicle, wherein the multi-way valve comprises a cover body, wherein a first flow passage, a second flow passage, a third flow passage and a fourth flow passage are arranged on the cover body, the first flow passage and the second flow passage are communicated with a water outlet and a water inlet of engine cooling water, and the third flow passage and the fourth flow passage are communicated with a water outlet and a water inlet of a warm air water path; a first working cavity and a second working cavity are arranged in the cover body, the first working cavity is communicated with the first flow passage and the second flow passage, the second working cavity is communicated with the third flow passage and the fourth flow passage, and the first working cavity and the second working cavity are communicated with each other through a first channel and a second channel; a first power device is arranged in the first working cavity, and a second power device is arranged in the second working cavity. Through first power device and second power device, realize the switching control of warm braw heat source, and then realize the best warm braw effect of economizing on energy.
Description
Technical Field
The invention relates to an engine cooling system, in particular to a temperature control pressure relief warm air multi-way valve for a vehicle and a temperature control system.
Background
The hybrid electric vehicle mainly comprises a pure electric mode (motor drive), a traditional mode (engine drive) and a hybrid mode (motor and engine drive simultaneously), and three working modes. When the low-speed starting is carried out, the motor is used for driving; the engine drive is changed after the speed is increased; the electric vehicle runs under urban low-speed congested road conditions and is driven by a motor; the engine is used for driving when the electric power is insufficient; when rapid acceleration is required, the engine and the motor work together.
For warm air of a hybrid vehicle, the warm air can be heated by PTC electricity in a pure electric working mode; warm air in the traditional working mode can be realized by PTC electric heating at the initial stage, and can be realized by high-temperature cooling water of the engine after the temperature of the cooling water of the engine rises to the set temperature; the warm air in the hybrid working mode can be realized by comprehensively utilizing the high-temperature cooling water of the engine and the PTC electric heating, at the moment, the high-temperature cooling water of the engine can be utilized more, and the PTC electric heating is reduced (the PTC electric heating consumes too much energy).
In order to realize the warm air control of the hybrid vehicle in different working modes, a multifunctional temperature control valve is needed, and the temperature source of the warm air can be switched by the multifunctional temperature control valve through the temperature change of cooling water of an engine, so that the optimal and most energy-saving warm air effect is realized.
Disclosure of Invention
In order to solve the above problems, the present invention provides a temperature-controlled pressure-relief warm air multi-way valve and a temperature control system for a vehicle, which switch the temperature source of warm air by the temperature change of engine cooling water to realize the optimal and most energy-saving warm air effect.
The technical scheme adopted by the invention is as follows: the utility model provides an automobile-used temperature control pressure release warm braw multi-ported valve, includes the cover body, its characterized in that: the cover body is provided with a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, the first flow passage and the second flow passage are communicated with a water outlet and a water inlet of engine cooling water, and the third flow passage and the fourth flow passage are communicated with a water outlet and a water inlet of a warm air water path; a first working cavity and a second working cavity are arranged in the cover body, the first working cavity is communicated with a first flow passage and a second flow passage, the second working cavity is communicated with a third flow passage and a fourth flow passage, and the first working cavity and the second working cavity are communicated with each other through a first channel and a second channel;
the first power device is arranged in the first working cavity, the first power device is provided with a first valve and a second valve, when the temperature of fluid in the first working cavity changes, the first power device moves in the first working cavity, the first valve and the second valve are communicated or cut off the first flow passage and the second flow passage, and the first channel and the second channel are communicated or cut off simultaneously;
and a second power device is arranged in the second working cavity, and when the pressure of the fluid in the second working cavity changes, the second power device moves in the second working cavity to connect or cut off the third flow channel and the fourth flow channel.
Preferably, the first power unit is a wax type thermostat.
Furthermore, the wax type thermostat comprises a temperature sensing element, a first spring, a push rod and a valve seat, wherein one end of the temperature sensing element is arranged on the valve seat through the push rod, the valve seat is fixed on the cover body, and the other end of the temperature sensing element abuts against the wall of the cover body through the first spring; and the temperature sensing element is provided with a first valve and a second valve.
Furthermore, when the first valve is completely attached to the inner wall of the first working chamber, the first flow passage and the second flow passage are cut off in the first working chamber; the first valve is completely attached to a water gap of the first channel in the first working cavity, the second valve is completely attached to a water gap of the second channel in the first working cavity, and the first working cavity and the second working cavity are cut off in the first working cavity.
Preferably, the second power device adopts a one-way pressure relief valve.
Furthermore, the one-way pressure release valve comprises a pressure release valve and a second spring, one end of the second spring is abutted against the pressure release valve seat, and the other end of the second spring is connected with the pressure release valve; the pressure relief valve is arranged on the step surface of the second working cavity, the pressure relief valve is completely attached to the step surface of the second working cavity, and the third flow channel and the fourth flow channel are cut off in the second working cavity.
A temperature control system for a vehicle, characterized in that: the temperature-control pressure-relief warm air multi-way valve is arranged, when the temperature of the cooling water of the engine is low, the cooling water of the engine enters from the first flow channel, then flows out from the second flow channel after small circulation, and then returns to the engine; at the moment, the cooling water cannot flow out through the third flow channel and the fourth flow channel, but the third flow channel is communicated with the fourth flow channel to form small warm air circulation;
when the temperature of the cooling water of the engine is higher, the cooling water of the engine flows in from the first flow passage, flows out through the third flow passage, circulates through the warm air, returns to the fourth flow passage, then flows to the second flow passage from the fourth flow passage, finally returns to the engine, and realizes the large circulation of the warm air.
The beneficial effects obtained by the invention are as follows: the first power device and the second power device are arranged in the cover body, the first power device controls the opening and closing of the small circulation of the engine cooling system, the second power device controls the opening and closing of the small circulation (PTC heating circulation) of the warm air system, switching control of warm air heat sources is achieved, and therefore the optimal and most energy-saving warm air effect is achieved.
The invention can realize quick warm air by using PTC heating when in cold start, can also integrate various different working modes, compensates warm air by using high-temperature cooling water of the engine, effectively uses PTC electric heating, realizes high-efficiency warm air, saves energy, and has the characteristics of compact structure and high integration.
Drawings
FIG. 1 is a schematic structural view of a vehicular temperature-controlled pressure-relief warm air multi-way valve of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of the cover;
FIG. 4 is a schematic view of a wax thermostat;
FIG. 5 is a schematic structural diagram of a pressure relief valve;
FIG. 6 is a schematic diagram of the operation of the pure electric mode multi-way valve;
FIG. 7 is a schematic diagram of the operation of a conventional mode (low temperature state of engine)/hybrid mode (low temperature state of engine) multi-way valve;
FIG. 8 is a schematic diagram of the operation of a conventional mode (engine hot state)/hybrid mode (engine hot state) multi-way valve;
FIG. 9 is a schematic diagram of a pure electric mode temperature control system;
fig. 10 is a schematic diagram of a conventional mode (engine low temperature state)/hybrid mode (engine low temperature state) temperature control system;
fig. 11 is a schematic diagram of a conventional mode (engine hot state)/hybrid mode (engine hot state) temperature control system;
reference numerals: 1. a cover body; 11. a first flow passage; 12. a second flow passage; 13. a third flow path; 14. a fourth flow path; 15. a first working chamber; 16. a second working chamber; 17. a first channel; 18. a second channel; 21. a temperature sensing element; 211. a first valve; 212. a second valve; 22. a first spring; 23. a push rod; 24. a valve seat; 31. a pressure relief valve; 32. a second spring; 33. a pressure relief valve seat.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments.
As shown in fig. 1 to 5, the temperature-controlled pressure-relief warm air multi-way valve for a vehicle of the present invention includes a cover 1, wherein the cover 1 is provided with a first flow channel 11, a second flow channel 12, a third flow channel 13 and a fourth flow channel 14, the first flow channel 11 and the second flow channel 12 are communicated with a water outlet and a water inlet of engine cooling water, and the third flow channel 13 and the fourth flow channel 14 are communicated with a water outlet and a water inlet of a warm air water path.
A first working cavity 15 and a second working cavity 16 are arranged in the cover body 1, the first working cavity 15 is communicated with a first flow passage 11 and a second flow passage 12, the second working cavity 16 is communicated with a third flow passage 13 and a fourth flow passage 14, and the first working cavity 15 is communicated with the second working cavity 16 through a first passage 17 and a second passage 18.
A first power device is arranged in the first working chamber 15, the first power device is provided with a first valve 211 and a second valve 212, when the temperature of fluid flowing through the first working chamber 15 changes, the first power device moves in the first working chamber 15, the first valve 211 and the second valve 212 are communicated or cut off the first flow passage 11 and the second flow passage 12, and the first channel 17 and the second channel 18 are communicated or cut off at the same time; a second power device is arranged in the second working chamber 16, and when the pressure of the fluid flowing through the second working chamber 16 changes, the second power device moves in the second working chamber 16 to connect or cut off the third flow passage 13 and the fourth flow passage 14. At cover body 1 internal integration first power device and second power device, cut off or communicate corresponding runner through first power device and second power device, realize the switching control of warm braw heat source, utilize the PTC heating to realize quick warm braw during cold start, synthesize various different operating modes, make full use of engine high temperature cooling water compensates the warm braw, effectively utilize PTC electrical heating, realize high-efficient warm braw, the energy can be saved.
Referring to fig. 3, in the present embodiment, there are 4 threaded holes (two on the left and right sides) in the cover body 1, each threaded hole is connected to a pipe joint, and the pipe joints are connected to the cover body 1 by threads and sealed by O-rings to form a first flow passage 11, a second flow passage 12, a third flow passage 13, and a fourth flow passage 14. The left first flow passage 11 and the left second flow passage 12 are respectively connected with a water outlet and a water inlet of a small circulation of an engine cooling system, wherein the left upper first flow passage 11 is connected with the water outlet of the small circulation of the engine cooling system, and the left lower second flow passage 12 is connected with the water inlet of the small circulation of the engine cooling system. The third flow channel 13 and the fourth flow channel 14 on the right side are respectively connected with a water outlet and a water inlet of the warm air circulation, wherein the third flow channel 13 on the upper right side is connected with the water inlet of the warm air circulation, specifically directly connected with a water pump, and the fourth flow channel 14 on the lower right side is connected with the water outlet of the warm air circulation, specifically connected with the water outlet of the warm air.
Referring to fig. 4, in the present embodiment, the first power device adopts a wax type thermostat, and includes a temperature sensing element 21 (wax type temperature sensing element), a first spring 22, a push rod 23 and a valve seat 24, the top of the temperature sensing element 21 is mounted on the valve seat 24 through the push rod 23, the valve seat 24 is fixed on the cover, and the bottom of the temperature sensing element 21 abuts against the wall of the cover 1 (the bottom of the first working chamber) through the first spring 22; the temperature sensing element 21 is of a cylindrical shape, and has a large diameter at both ends (upper and lower portions) and a small diameter at the middle portion, and the first valve 211 and the second valve 212 are formed at both ends respectively.
As shown in fig. 8, when the first valve 211 is completely engaged with the inner wall of the first working chamber 15, the first flow path 11 and the second flow path 12 are blocked in the first working chamber 15, and the first passage 17 and the second passage 18 between the first working chamber 15 and the second working chamber 16 are communicated. As shown in fig. 6-7, the first valve 211 is fully engaged with the mouth of the first passage 17 in the first working chamber 15, and the second valve 212 is fully engaged with the mouth of the second passage 18 in the first working chamber 15, the first working chamber 15 and the second working chamber 16 being interrupted in the first working chamber 15.
In this embodiment, the second power device adopts a one-way pressure relief valve, and includes a pressure relief valve 31 and a second spring 32, one end of the second spring 32 abuts against a pressure relief valve seat 33, the pressure relief valve seat 33 is fixedly installed on the cover body 1, and the other end of the second spring 32 is connected with the pressure relief valve 31; the pressure relief valve 31 is disposed on a step surface of the second working chamber 16, the pressure relief valve 31 completely fits the step surface of the second working chamber 16, and the third flow passage 13 and the fourth flow passage 14 are blocked in the second working chamber 16.
As shown in fig. 6 to 11, in a temperature control system for a vehicle, when the temperature of engine cooling water is low, engine cooling water enters from a first flow passage 11, then flows out from a second flow passage 12 after going through a small circulation, and then returns to an engine; at the moment, the first working cavity 15 and the second working cavity 16 are not communicated with each other, so that cooling water cannot flow out through the third flow passage 13 or the fourth flow passage 14, but the third flow passage 13 is communicated with the fourth flow passage 14, and a small warm air circulation is formed;
when the temperature of the cooling water of the engine is higher, a temperature sensing element in the wax type temperature regulator is heated and expanded, the first valve 211 and the second valve 212 are driven to move through the push rod, the first working cavity 15 is communicated with the second working cavity 16, the cooling water of the engine flows in from the first flow channel 11, flows out from the third flow channel 13, circulates through the warm air, returns to the fourth flow channel 14, then flows to the second flow channel 12 from the fourth flow channel 14, and finally returns to the engine, so that the large circulation of the warm air is realized.
As shown in fig. 6 and 9, in the electric-only mode, the engine does not operate, the temperature of the engine cooling water is low at this time, heat cannot be supplied to the warm air, and the warm air at this time is heated by the PTC heater. At the moment, the engine does not work, the engine cooling system does not work, the first flow passage 11 is not communicated with the second flow passage 12, and only the third flow passage 13 is communicated with the fourth flow passage 14 (the communication from the third flow passage to the fourth flow passage is realized by opening the one-way pressure release valve through water pressure forcing of the warm air system), so that a warm air small cycle (PTC electric heating cycle) is formed.
Referring to fig. 7 and 10, in a conventional mode (low temperature state of engine)/hybrid mode (low temperature state of engine), in which the engine is operated, the engine cooling water is circulated when the temperature of the engine cooling water is low, the sensor is not operated, and the first flow passage 11 to the second flow passage 12 are circulated to realize a small circulation.
As shown in fig. 8 and 11, in the conventional mode (engine high temperature state)/hybrid mode (engine high temperature state), in this operation mode, the temperature of the engine water rises to a high temperature, the high temperature coolant of the small circulation of the engine flows through the first flow passage 11 to the second flow passage 12, the sensor senses the high temperature, the valves (the first valve 211 and the second valve 212) are slowly opened, and the small circulation passage of the first flow passage 11 to the second flow passage 12 is closed. Then the high-temperature cooling liquid flows in from the first flow channel 11, directly flows out through the third flow channel 13, then enters a warm air circulation to realize warm air, and finally the warm air high-temperature cooling liquid flows out from the warm air system, flows into the multi-way valve through the fourth flow channel 14, then directly flows to the second flow channel 12, and then flows back to the engine cooling system from the second flow channel 12. The PTC electric heating in the warm air system in the state does not work, and the warm air is realized by the high-temperature cooling water of the engine. In this state, the medium flowing into the fourth flow channel 14 can directly flow into the second flow channel 12, so that the pressure (the pressure in the second working chamber) from the third flow channel 13 to the fourth flow channel 14 is reduced, the opening degree of the one-way pressure release valve is correspondingly reduced, at this time, the medium flows from the first flow channel 11 to the third flow channel 13, and the one-way pressure release valve also has water pressure in the reverse direction, so that the one-way pressure release valve is completely closed.
The foregoing shows and describes the general principles and principal structural features of the present invention. The present invention is not limited to the above examples, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an automobile-used temperature control pressure release warm braw multi-ported valve, includes the cover body, its characterized in that: the cover body is provided with a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, the first flow passage and the second flow passage are communicated with a water outlet and a water inlet of engine cooling water, and the third flow passage and the fourth flow passage are communicated with a water outlet and a water inlet of a warm air water path; a first working cavity and a second working cavity are arranged in the cover body, the first working cavity is communicated with a first flow passage and a second flow passage, the second working cavity is communicated with a third flow passage and a fourth flow passage, and the first working cavity and the second working cavity are communicated with each other through a first channel and a second channel;
the first power device is arranged in the first working cavity, the first power device is provided with a first valve and a second valve, when the temperature of fluid in the first working cavity changes, the first power device moves in the first working cavity, the first valve and the second valve are communicated or cut off the first flow passage and the second flow passage, and the first channel and the second channel are communicated or cut off simultaneously;
and a second power device is arranged in the second working cavity, and when the pressure of the fluid in the second working cavity changes, the second power device moves in the second working cavity to connect or cut off the third flow channel and the fourth flow channel.
2. The vehicular temperature-controlled pressure-relief warm air multi-way valve according to claim 1, characterized in that: the first power device adopts a wax type temperature regulator.
3. The temperature-controlled pressure-relief warm air multi-way valve for the vehicle of claim 2, characterized in that: the wax type thermostat comprises a temperature sensing element, a first spring, a push rod and a valve seat, wherein one end of the temperature sensing element is arranged on the valve seat through the push rod, the valve seat is fixed on the cover body, and the other end of the temperature sensing element abuts against the wall of the cover body through the first spring; and the temperature sensing element is provided with a first valve and a second valve.
4. The temperature-controlled pressure-relief warm-air multi-way valve for the vehicle of claim 3, which is characterized in that: when the first valve is completely attached to the inner wall of the first working cavity, the first flow passage and the second flow passage are cut off in the first working cavity; the first valve is completely attached to a water gap of the first channel in the first working cavity, the second valve is completely attached to a water gap of the second channel in the first working cavity, and the first working cavity and the second working cavity are cut off in the first working cavity.
5. The temperature-controlled pressure-relief warm air multi-way valve for the vehicle according to claim 1, which is characterized in that: the second power device adopts a one-way pressure relief valve.
6. The temperature-controlled pressure-relief warm-air multi-way valve for the vehicle of claim 5, which is characterized in that: the one-way pressure release valve comprises a pressure release valve and a second spring, one end of the second spring is abutted against the pressure release valve seat, and the other end of the second spring is connected with the pressure release valve; the pressure relief valve is arranged on the step surface of the second working cavity, the pressure relief valve is completely attached to the step surface of the second working cavity, and the third flow channel and the fourth flow channel are cut off in the second working cavity.
7. A temperature control system for a vehicle, characterized in that: the temperature-controlled pressure-relief warm air multi-way valve comprises the temperature-controlled pressure-relief warm air multi-way valve as claimed in claims 1-6, when the temperature of engine cooling water is low, the engine cooling water enters from the first flow channel, then flows out from the second flow channel after going through a small circulation and then returns to an engine; at the moment, the cooling water cannot flow out through the third flow channel and the fourth flow channel, but the third flow channel is communicated with the fourth flow channel to form small warm air circulation;
when the temperature of the cooling water of the engine is higher, the cooling water of the engine flows in from the first flow passage, flows out through the third flow passage, circulates through the warm air, returns to the fourth flow passage, then flows to the second flow passage from the fourth flow passage, finally returns to the engine, and realizes the large circulation of the warm air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010858502.3A CN111873760A (en) | 2020-08-24 | 2020-08-24 | Temperature control pressure relief warm air multi-way valve for vehicle and temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010858502.3A CN111873760A (en) | 2020-08-24 | 2020-08-24 | Temperature control pressure relief warm air multi-way valve for vehicle and temperature control system |
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| CN111873760A true CN111873760A (en) | 2020-11-03 |
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| CN202010858502.3A Pending CN111873760A (en) | 2020-08-24 | 2020-08-24 | Temperature control pressure relief warm air multi-way valve for vehicle and temperature control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704666A (en) * | 2022-04-12 | 2022-07-05 | 东风富士汤姆森调温器有限公司 | Electronic water valve of vehicle thermal management system |
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2020
- 2020-08-24 CN CN202010858502.3A patent/CN111873760A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704666A (en) * | 2022-04-12 | 2022-07-05 | 东风富士汤姆森调温器有限公司 | Electronic water valve of vehicle thermal management system |
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