Cooling circuit arrangement for motor vehicle, has engine cooling circuit for cooling internal-combustion engine, in which engine heat transducer and engine coolant pump are arranged

摘要

The cooling circuit arrangement (1) has an engine cooling circuit (2) for cooling an internal-combustion engine (3), in which an engine heat transducer (5) and an engine coolant pump (6) are arranged. An internal heating branch (7) is provided for heating an air flow for heating vehicle internal space. A gearbox oil cooling branch (13) is provided for cooling the gearbox oil, where the gearbox oil cooling branch is independent from internal heating branch.