SYSTEM FOR AIR-CONDITIONING THE AIR OF A PASSENGER COMPARTMENT AND FOR HEAT TRANSFER BY WAY OF COMPONENTS OF A POWERTRAIN OF A MOTOR VEHICLE, AS WELL AS METHOD FOR OPERATING THE SYSTEM
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United States of America Patent
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Issued Date -
Oct 26, 2023
app pub date -
May 27, 2021
filing date -
May 29, 2020
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Abstract
A system for air-conditioning the air in a passenger compartment and for heat transfer by way of components of a power train, in particular an electric powertrain of a motor vehicle. The system exhibits one coolant circuit with two refrigerant-coolant heat exchangers and one coolant-air heat exchanger for heat transfer to the ambient air, as well as one refrigerant circuit with one first refrigerant-air heat exchanger for heating the supply air for the passenger compartment, one second refrigerant-air heat exchanger for heat transfer by way of the ambient air, with one upstream first expansion element, one first flow path with one third refrigerant-air heat exchanger for conditioning the supply air for the passenger compartment, with one upstream second expansion element and one second flow path with one first refrigerant-coolant heat exchanger with one upstream third expansion element.
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