Motor car cooling device, has cooling circuit comprising coolant surge tank, and security device provided in coolant surge tank in order to exhaust dominant overpressure from container

摘要

The device has a cooling circuit (11) comprising a coolant surge tank (12). A security device (13) is provided in the coolant surge tank in order to exhaust dominant over pressure from a container (14), where the container is designed as a coolant refill container (15) provided for manual filling of a coolant (16) in the cooling circuit. The coolant surge tank comprises a drain unit (17) that is provided to limit a maximum level in the coolant surge tank. A control unit (33) comprises a sensing unit (34) that is arranged in the coolant surge tank.