COOLING SYSTEM IN A MOTOR VEHICLE

摘要

PURPOSE: A cooling system inside a vehicle is provided to reduce the danger of cavitation inside a pump in case of intervening in coolant flow. CONSTITUTION: According to a cooling system inside a vehicle, a short circuit line bypassing through a pump(3) is provided and a pressure side portion is connected to an intake side portion of the pump. A valve device(6) is switch-formed between two or more positions and is provided in the short circuit line. The coolant flows through the short circuit line.