A vehicular heat management system includes a compressor arranged on a heat pump type refrigerant circulation line, a high-pressure side heat exchanger arranged on the heat pump type refrigerant circulation line, an outdoor heat exchanger arranged on the heat pump type refrigerant circulation line, a plurality of expansion valves arranged on the heat pump type refrigerant circulation line, a low-pressure side heat exchanger arranged on the heat pump type refrigerant circulation line, a first expansion valve arranged on the upstream side of the outdoor heat exchanger, a second expansion valve arranged on the downstream side of the outdoor heat exchanger, and a control part configured to control opening degrees of the first expansion valve and the second expansion valve depending on whether icing occurs in the outdoor heat exchanger under a heat pump mode condition.
VEHICULAR HEAT MANAGEMENT SYSTEM
2024-01-25
Patent
Electronic Resource
English
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
European Patent Office | 2020
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