The rotary movement transmission for a motor vehicle air conditioner has an endless cable (5) in a sheath (7). The cable extends around a disc pulley at the adjuster and a further disc pulley (3) at the conditioner. The cable is wound around half of each p...

An air-flow-treatment assembly for a vehicle, comprises: a supporting structure (11) carrying at least one heat exchanger (12) for treatment of a flow of air; control means (13, 14), for controlling the temperature and/or the distribution and/or mixing and...

The control for an air valve in a car heating or ventilation system comprises a belt (10) with spherical sections (14) along its length. These cooperate with the teeth of a cogwheel (23) to turn a shaft (22) on which the valve is mounted.