Patent ID: 7644793

Claim:
An automotive heat exchanging system comprising: a heat exchanger mounted at a front of an engine and an automatic transmission and to be supplied with a coolant; an electric fan located at the front of said automatic transmission and operable to ensure airflow through said heat exchanger; a shroud attached to and covering peripheral portions of said electric fan and said heat exchanger to form an air passage inside of said shroud for allowing airflow through said heat exchanger to flow toward said automatic transmission; a shutter arranged in said shroud and having a periphery attached to said shroud, said shutter being operable to open and close said air passage; an automatic transmission oil temperature sensor for sensing a temperature of oil in said automatic transmission and for outputting an automatic transmission oil temperature signal; and a controller for controlling opening and closing of said shutter based on the automatic transmission oil temperature signal received from said automatic transmission oil temperature sensor so as to control the temperature of the oil in said automatic transmission.