VEHICLE TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHOD

WIPO Patent Application WO/2024/058123

A1

Provided are a vehicle temperature control system and method which are capable of ensuring heating capacity even when the outdoor temperature is low, and capable of heating a thermal load via more appropriate mode switching.　This vehicle temperature control system is equipped with: a coolant circuit; a heating medium circuit; a heat pump mode in which a low-pressure-side circuit through which a heating medium circulates and a high-pressure-side circuit through which a heating medium circulates are formed; a compressor heat source mode in which a heating medium discharged from a high-pressure-side heat exchanger flows into a low-pressure-side heat exchanger via a temperature control device, passes through an outdoor bypass path, and flows into the high-pressure-side heat exchanger; and a mode selection unit. The mode selection unit is configured so as to select the heat pump mode when the detected outdoor temperature is higher than a switching outdoor temperature pertaining to the outdoor temperature/heating capacity properties intersection for each of the heat pump mode and the compressor heat source mode, and to select the compressor heat source mode when the outdoor temperature is lower than said switching outdoor temperature.

ADACHI TOMOYASU (JP)
UKAI TETSUZO (JP)
NAKAGAWA NOBUYA (JP)
KOBAYASHI TAKAYUKI (JP)
YAMAMOTO HIROYUKI (JP)
NOYAMA HIDETO (JP)
SAITO KATSUHIRO (JP)
MORISHITA MASATOSHI (JP)

PCT/JP2023/033043

March 21, 2024

September 11, 2023

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MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)

B60H1/22

WO2015107589A1

2015-07-23

JP6083304B2

2017-02-22

OBA, Mitsuru et al. (JP)

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