Automotive accessory driving system particularly for...

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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F16H 3/54 (2006.01) B60H 1/00 (2006.01)

Patent

CA 2259320

A transmission system (20) is provided for stopping-up the rotational speed of the compressor unit (18) in air conditioner systems of automotive vehicles during low speed of the motor. The system comprises a planetary gear assembly coupled between the motor and the driving axle (24) of the compressor, with two electrically or pneumatically controlled friction clutches (28, 54). The change-over of the transmission ratio is effected by engaging/disengaging one or both of the clutches, in relation to the motor speed.

La présente invention porte sur un système de transmission (20) destiné à freiner la vitesse rotative du compresseur (18) de conditionneurs d'air installés dans des véhicules automobiles, lorsque le moteur fonctionne à un régime lent. Ledit système comprend un ensemble engrenage planétaire couplé entre le moteur et l'essieu moteur (24) du compresseur et accompagné de deux accouplements à friction (28, 54) à commande électrique ou pneumatique. Le changement du rapport de transmission s'effectue par enclenchement/désenclenchement d'un ou des deux accouplements, en fonction du régime du moteur.

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