Title:
VEHICLE COOLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/261320
Kind Code:
A1
Abstract:
[Problem] To provide a vehicle cooling device that ensures sufficient cooling performance for a battery and the cabin, and allows for a higher degree of freedom in the design of the onboard layout of a heat exchanger made to function as a radiator. [Solution] The vehicle cooling device comprises a first refrigerant circuit R1 that cools air sent to the cabin, a first coolant circuit W1 including a first pump 21 that pumps a coolant and a radiator 22 that cools the coolant, a second coolant circuit W2 including a second pump 31 that pumps a coolant and a battery-cooling heat exchanger 32 that cools a battery Ba, and a second refrigerant circuit R2 that includes a second compressor 41 that compresses a refrigerant, a first heating medium heat exchanger 42 that releases heat of the compressed refrigerant, a coolant-cooling expansion device 43 that depressurizes and expands the refrigerant having released the heat, and a second heating medium heat exchanger 44 that causes the refrigerant to absorb heat. The first coolant circuit W1 and the second refrigerant circuit R2 are thermally coupled by the first heating medium heat exchanger 42, while the second coolant circuit W2 and the second refrigerant circuit R2 are thermally coupled by the second heating medium heat exchanger 44.
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Inventors:
NEMOTO NORIAKI (JP)
IDA HIROYUKI (JP)
HATAKEYAMA JUN (JP)
AKAHOSHI MITSUHIKO (JP)
HIRASHITA SHUNSUKE (JP)
IDA HIROYUKI (JP)
HATAKEYAMA JUN (JP)
AKAHOSHI MITSUHIKO (JP)
HIRASHITA SHUNSUKE (JP)
Application Number:
PCT/JP2021/022610
Publication Date:
December 30, 2021
Filing Date:
June 15, 2021
Export Citation:
Assignee:
VALEO JAPAN CO LTD (JP)
International Classes:
B60K11/04; B60H1/22; B60H1/32; B60K1/04; F25B1/00
Foreign References:
| KR20180003985A | 2018-01-10 | |||
| US20190168570A1 | 2019-06-06 | |||
| US20200047626A1 | 2020-02-13 | |||
| CN109318679A | 2019-02-12 |
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