The present invention relates to an indirect reversible air-conditioning circuit (1) comprising: – a first, refrigerant fluid loop (A) comprising: – a compressor (3), – a two-fluid heat exchanger (5), – a first expansion device (7), – a first heat exchanger (9), – a second expansion device (11), – a second heat exchanger (13), and – a duct (30) for bypassing the second heat exchanger (13), • a second, heat transfer fluid loop (B) comprising a fourth heat exchanger (64), and • the two-fluid heat exchanger (5) being arranged simultaneously on the first, refrigerant fluid loop (A) and on the second, heat transfer fluid loop (B), • a low-pressure refrigerant fluid pressure sensor (44) arranged downstream of the bypass duct (30), • a central control unit (40) connected to said pressure sensor (44), to the compressor (3) and to the first (7) and second (11) expansion devices such that they can be flowed through with no loss of pressure, or bypassed.
CIRCUIT DE CLIMATISATION INVERSIBLE INDIRECT DE VÉHICULE AUTOMOBILE ET PROCÉDÉ DE GESTION EN MODE DÉGIVRAGE
INDIRECT REVERSIBLE AIR-CONDITIONING CIRCUIT FOR A MOTOR VEHICLE, AND METHOD FOR OPERATION IN DEFROSTING MODE
INDIREKTER REVERSIBLER KLIMAKREISLAUF FÜR EIN KRAFTFAHRZEUG UND VERFAHREN ZUM BETRIEB IM ABTAUMODUS
2022-02-23
Patent
Electronic Resource
French
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 |
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