An air conditioning system for vehicles, which comprises a closed circuit affected at least by a primary compressor actuated directly or indirectly by the engine of the vehicle, by a primary condenser and by an evaporator, all of which can be passed through in sequence by a heat carrier fluid that circulates in the circuit, for the execution, with engine running, of a primary refrigeration cycle, the closed circuit connected to a branch arranged parallel to the primary compressor and affected by an electric auxiliary compressor, the branch can be passed through by the heat carrier fluid for the execution, with engine switched off, of an auxiliary refrigeration cycle, the system comprises an electronic control and management unit configured to assign the auxiliary compressor an operating mode composed of predefined alternating intervals of power-on and power-off; during each power-on interval the auxiliary compressor operates at a preset rotation speed value.
AIR CONDITIONING SYSTEM FOR VEHICLES
2020-09-03
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 |