# US 12,594,811 B2 · Valve set integrated module, vehicle thermal management system, and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,594,811 B2 - Document ID: US12594811B2 - Status: Granted - Kind: B2 - Application number: 18/373,959 - Filed: 2023-09-27 - Published: 2024-01-18 - Granted: 2026-04-07 - Earliest claimed: 2021-05-31 - Assignees: BYD Company Limited - Applicants: BYD Company Limited - Inventors: Wei Jin; Min Xu; Shibai Li; Meijiao Ye - Web page: https://patentgrep.com/patent/US12594811B2 ## CPC - B60H 1/00485: {Valves for air-conditioning devices, e.g. thermostatic valves} - F25B 25/005: {using primary and secondary systems} - B60H 1/00278: {for the battery} - B60H 1/00921: {where the flow direction of the refrigerant does not change and there is an extra subcondenser, e.g. in an air duct} - F25B 41/20: Disposition of valves, e.g. of on-off valves or flow control valves (expansion valves F25B41/31) - F25B 41/24: Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part - B60H 2001/00307: {Component temperature regulation using a liquid flow} - B60H 2001/00928: {comprising a secondary circuit} - F25B 5/02: arranged in parallel - F25B 2400/0409: for evaporators - F25B 2400/0411: for expansion valves or capillary tubes - F25B 2500/18: Optimization, e.g. high integration of refrigeration components - B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES - F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS ## Abstract An integrated valve module includes a base and a valve set disposed on the base and including a first switch valve, a second switch valve, and a first expansion valve. An indoor condenser outlet interface configured to connect with an outlet of an indoor condenser and communicate with an inlet of the first switch valve, an outdoor heat exchanger outlet interface configured to connect with an outlet of an outdoor heat exchanger and communicate with an inlet of a second switch valve, and a battery pack heat exchanger inlet interface configured to connected with a refrigerant inlet of a battery pack heat exchanger and communicate with an outlet of the first expansion valve, are disposed on the base. An outlet of the first switch valve, an inlet of the first expansion valve, and an outlet of the second switch valve communicate with a first flow channel disposed on the base. ## Claims ### Claim 1 An integrated valve module, comprising: a base and a valve set disposed on the base, the valve set comprising a first switch valve, a second switch valve, and a first expansion valve; an indoor condenser outlet interface, an outdoor heat exchanger outlet interface and a battery pack heat exchanger inlet interface being disposed on the base, the indoor condenser outlet interface being configured to be connected with an outlet of an indoor condenser outside the base, the outdoor heat exchanger outlet interface being configured to be connected with an outlet of an outdoor heat exchanger outside the base, and the battery pack heat exchanger inlet interface being configured to be connected with a refrigerant inlet of a battery pack heat exchanger outside the base; a first flow channel disposed on the base; an inlet of the first switch valve being in communication with the indoor condenser outlet interface; an outlet of the first switch valve being in communication with the first flow channel; an inlet of the first expansion valve being in communication with the first flow channel; an outlet of the first expansion valve being in communication with the battery pack heat exchanger inlet interface; the outdoor heat exchanger outlet interface being in communication with an inlet of the second switch valve; and an outlet of the second switch valve being in communication with the first flow channel; and a third switch valve, wherein an outdoor heat exchanger inlet interface connected with an inlet of the outdoor heat exchanger is disposed on the base, a second flow channel is disposed in the base, the indoor condenser outlet interface is in communication with the second flow channel, the inlet of the first switch valve is in communication with the second flow channel an inlet of the third switch valve is in communication with the second flow channel, and an outlet of the third switch valve is in communication with the outdoor heat exchanger inlet interface. ### Claim 2 (depends on 1) The integrated valve module according to claim 1, further comprising a second expansion valve; wherein an indoor evaporator inlet interface configured to be connected with an inlet of an indoor evaporator outside the base is disposed on the base; an inlet of the second expansion valve is in communication with the first flow channel; and an outlet of the second expansion valve is in communication with the indoor evaporator inlet interface. ### Claim 3 (depends on 1) The integrated valve module according to claim 1, wherein by turning on/off of the first switch valve and the third switch valve, a refrigerant flowing into the second flow channel through the indoor condenser outlet interface flows into the first flow channel through the first switch valve, or flows out from the outdoor heat exchanger inlet interface through the third switch valve. ### Claim 4 (depends on 1) The integrated valve module according to claim 1, further comprising a third expansion valve; wherein a third flow channel is disposed in the base; the outdoor heat exchanger inlet interface is in communication with the third flow channel; the outlet of the third switch valve is in communication with the third flow channel; an inlet of the third expansion valve is in communication with the second flow channel; and an outlet of the third expansion valve is in communication with the third flow channel. ### Claim 5 (depends on 4) The integrated valve module according to claim 4, wherein by turning on/off of the third switch valve and throttling or turning off of the third expansion valve, a refrigerant flowing into the second flow channel through the indoor condenser outlet interface flows into the third flow channel through the third switch valve or flows into the third flow channel through the third expansion valve. ### Claim 6 (depends on 4) The integrated valve module according to claim 4, wherein the base comprises a first portion and a second portion; the first portion comprises a first connecting surface; the second portion comprises a second connecting surface; the first connecting surface is connected with the second connecting surface; the first connecting surface is recessed to form a first groove, a second groove, and a third groove; the second connecting surface and the first groove define the first flow channel; the second connecting surface and the second groove define the second flow channel; the second connecting surface and the third groove define the third flow channel; and the first switch valve, the second switch valve, the third switch valve, the first expansion valve, and the third expansion valve are disposed on the first portion; or the first switch valve, the second switch valve, the third switch valve, the first expansion valve, and the third expansion valve are disposed on the second portion. ### Claim 7 (depends on 6) The integrated valve module according to claim 6, wherein at least one of the first groove, the second groove, and the third groove comprises a curved groove. ### Claim 8 (depends on 1) The integrated valve module according to claim 1, wherein the valve set further comprises a fourth switch valve; a reflux inlet interface configured to be connected with an inlet of a compressor outside the base or an inlet of a gas-liquid separator connected with the compressor is disposed on the base; a fourth flow channel is disposed in the base; the outdoor heat exchanger outlet interface is in communication with the fourth flow channel; the inlet of the second switch valve is in communication with the fourth flow channel; an inlet of the fourth switch valve is in communication with the fourth flow channel; and an outlet of the fourth switch valve is in communication with the reflux inlet interface. ### Claim 9 (depends on 8) The integrated valve module according to claim 8, wherein a fifth flow channel is disposed in the base; the outlet of the fourth switch valve is in communication with the fifth flow channel; the reflux inlet interface is in communication with the fifth flow channel; a battery pack heat exchanger outlet interface configured to be connected with a refrigerant outlet of the battery pack heat exchanger is disposed on the base; and the battery pack heat exchanger outlet interface is in communication with the fifth flow channel. ### Claim 10 (depends on 9) The integrated valve module according to claim 9, wherein the fifth flow channel is disposed in the base; the outlet of the fourth switch valve is in communication with the fifth flow channel; the reflux inlet interface is in communication with the fifth flow channel; an indoor evaporator outlet interface configured to be connected with an outlet of an indoor evaporator is disposed on the base; and the indoor evaporator outlet interface is in communication with the fifth flow channel. ### Claim 11 (depends on 10) The integrated valve module according to claim 10, further comprising a temperature sensor, wherein a first through hole, a second through hole, and a third through hole are disposed on the fifth flow channel; the second through hole is located between the first through hole and the third through hole; the first through hole is in communication with the indoor evaporator outlet interface; the third through hole is in communication with the reflux inlet interface; the temperature sensor is disposed on the base; and a detection terminal of the temperature sensor passes through the second through hole and is located in the fifth flow channel. ### Claim 12 (depends on 8) The integrated valve module according to claim 8, wherein the base comprises a first portion and a second portion; the first portion comprises a first connecting surface; the second portion comprises a second connecting surface; the first connecting surface is connected with the second connecting surface; the first connecting surface is recessed to form a fourth groove and a fifth groove; the second connecting surface and the fourth groove define the fourth flow channel; the second connecting surface and the fifth groove define a fifth flow channel; and the fourth switch valve is disposed on the first portion or the second portion. ### Claim 13 (depends on 12) The integrated valve module according to claim 12, wherein at least one of the fourth groove and the fifth groove comprises a curved groove. ### Claim 14 A vehicle thermal management system, comprising an integrated valve module, the integrated valve module comprising: a base and a valve set disposed on the base, the valve set comprising a first switch valve, a second switch valve, and a first expansion valve; an indoor condenser outlet interface, an outdoor heat exchanger outlet interface and a battery pack heat exchanger inlet interface being disposed on the base, the indoor condenser outlet interface being configured to be connected with an outlet of an indoor condenser outside the base, the outdoor heat exchanger outlet interface being configured to be connected with an outlet of an outdoor heat exchanger outside the base, and the battery pack heat exchanger inlet interface being configured to be connected with a refrigerant inlet of a battery pack heat exchanger outside the base; a first flow channel disposed on the base; an inlet of the first switch valve being in communication with the indoor condenser outlet interface; an outlet of the first switch valve being in communication with the first flow channel; an inlet of the first expansion valve being in communication with the first flow channel; an outlet of the first expansion valve being in communication with the battery pack heat exchanger inlet interface; the outdoor heat exchanger outlet interface being in communication with an inlet of the second switch valve; and an outlet of the second switch valve being in communication with the first flow channel; and a third switch valve, wherein an outdoor heat exchanger inlet interface connected with an inlet of the outdoor heat exchanger is disposed on the base; a second flow channel is disposed in the base; the indoor condenser outlet interface is in communication with the second flow channel; the inlet of the first switch valve is in communication with the second flow channel; an inlet of the third switch valve is in communication with the second flow channel; and an outlet of the third switch valve is in communication with the outdoor heat exchanger inlet interface. ### Claim 15 (depends on 14) The vehicle thermal management system according to claim 14, wherein the integrated valve module further comprises a second expansion valve; an indoor evaporator inlet interface configured to be connected with an inlet of an indoor evaporator outside the base is disposed on the base; an inlet of the second expansion valve is in communication with the first flow channel; and an outlet of the second expansion valve is in communication with the indoor evaporator inlet interface. ### Claim 16 (depends on 14) The vehicle thermal management system according to claim 14, wherein by turning on/off of the first switch valve and the third switch valve, a refrigerant flowing into the second flow channel through the indoor condenser outlet interface flows into the first flow channel through the first switch valve, or flows out from the outdoor heat exchanger inlet interface through the third switch valve. ### Claim 17 (depends on 14) The vehicle thermal management system according to claim 14, wherein the integrated valve module further comprises a third expansion valve; a third flow channel is disposed in the base; the outdoor heat exchanger inlet interface is in communication with the third flow channel; the outlet of the third switch valve is in communication with the third flow channel; an inlet of the third expansion valve is in communication with the second flow channel; and an outlet of the third expansion valve is in communication with the third flow channel. ### Claim 18 A vehicle, comprising a vehicle thermal management system comprising an integrated valve module, the integrated valve module comprising: a base and a valve set disposed on the base, the valve set comprising a first switch valve, a second switch valve, and a first expansion valve; an indoor condenser outlet interface, an outdoor heat exchanger outlet interface and a battery pack heat exchanger inlet interface being disposed on the base, the indoor condenser outlet interface being configured to be connected with an outlet of an indoor condenser outside the base, the outdoor heat exchanger outlet interface being configured to be connected with an outlet of an outdoor heat exchanger outside the base, and the battery pack heat exchanger inlet interface being configured to be connected with a refrigerant inlet of a battery pack heat exchanger outside the base; a first flow channel disposed on the base; an inlet of the first switch valve being in communication with the indoor condenser outlet interface; an outlet of the first switch valve being in communication with the first flow channel; an inlet of the first expansion valve being in communication with the first flow channel; an outlet of the first expansion valve being in communication with the battery pack heat exchanger inlet interface; the outdoor heat exchanger outlet interface being in communication with an inlet of the second switch valve; and an outlet of the second switch valve being in communication with the first flow channel; and a third switch valve, wherein an outdoor heat exchanger inlet interface connected with an inlet of the outdoor heat exchanger is disposed on the base; a second flow channel is disposed in the base; the indoor condenser outlet interface is in communication with the second flow channel; the inlet of the first switch valve is in communication with the second flow channel; an inlet of the third switch valve is in communication with the second flow channel; and an outlet of the third switch valve is in communication with the outdoor heat exchanger inlet interface.