Device for regulating the intake air temperature in an internal combustion engine

PCT No. PCT/EP96/01893 Sec. 371 Date May 5, 1998 Sec. 102(e) Date May 5, 1998 PCT Filed May 7, 1996 PCT Pub. No. WO97/01703 PCT Pub. Date Jan. 16, 1997A device is disclosed for regulating the intake air temperature in an internal combustion engine. It comprises a cold air duct, a warm air duct and a mixed air duct, the mixed air duct, also called primary air duct, is provided with a control flap, which in one final position closes off the cold air duct and in the other final position closes off the warm air duct and can pivot under the action of a wax-type thermostat around which the cold intake air flows. The wax-type thermostat is provided with a tie rod connecting it to the control flap. A restoring spring is located on the tie rod. In addition, an excess travel spring is provided to compensate for the excess travel of the wax-type thermostat. The control flap has longitudinal guiding means designed to take up the excess travel, the excess travel spring being mounted on longitudinal guiding means.