Patent ID: 11905875
Assignee: MAHLE INTERNATIONAL GMBH
Field: Transport (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 6:
7. A vehicle heat exchange system, comprising:
a first cooling circuit through which a first medium is flowable;
a second cooling circuit through which a second medium is flowable;
a third cooling circuit through which a third medium is flowable;
an internal combustion engine arranged in the first cooling circuit and coolable via the first medium;
an inverter arranged in the second cooling circuit and coolable via the second medium;
a drive unit arranged in the third cooling circuit and coolable via the third medium;
a first heat exchanger arranged in the first cooling circuit and the second cooling circuit, the first heat exchanger configured to facilitate a heat exchange between the first medium and the second medium flowing therethrough;
a second heat exchanger arranged in the first cooling circuit and the third cooling circuit, the second heat exchanger configured to facilitate a heat exchange between the first medium and the third medium flowing therethrough;
a third heat exchanger arranged in the second cooling circuit and the third cooling circuit, the third heat exchanger configured to facilitate a heat exchange between the second medium and the third medium flowing therethrough;
a switch valve arranged in the second cooling circuit downstream of the third heat exchanger;
a control unit operatively connected to the switch valve;
the second cooling circuit including a first flow path and a second flow path that each extend from the switch valve to the inverter, the first heat exchanger arranged in the second flow path between the switch valve and the inverter;
an inverter radiator arranged in the first flow path of the second cooling circuit between the switch valve and the inverter;
wherein the switch valve is configured to selective switch between directing the second medium that has passed through the third heat exchanger to (i) the first path and (ii) the second path; and
wherein the control unit is configured to control the switch valve such that the second path is selected when the first medium is in a predetermined low-temperature state.