Transmission of the toroidal race rolling traction type

Details Transmission of the toroidal race rolling traction type Transmission of the toroidal race rolling traction type

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 15/38 (2006.01)

Patent

CA 2520038

A variator of the toroidal race rolling traction type has a rotatably mounted input disc (18, 20) an output disc (22) rotatably mounted coaxially with the input disc (18, 20), a plurality of rollers (30, 32) transmitting rotation between the input disc and the output disc and a plurality of double-acting pistons (36, 38) each acting upon a respective one of the rollers. The variator also has a plurality of levers (44, 60) each connected to a respective one of the rollers (30, 32) and its associated actuator (36, 38). By connecting the actuators to the rollers via levers a much more compact arrangement can be achieved.

L'invention concerne un variateur à traction par roulement toroïdal, comprenant un disque (18, 20) d'entrée monté de façon rotative, un disque (22) de sortie monté de façon rotative, coaxialement avec le disque (18, 20) d'entrée, une pluralité de rouleaux (30, 32) transmettant une rotation entre le disque d'entrée et le disque de sortie, et une pluralité de pistons (36, 38) à double action agissant chacun sur un rouleau correspondant. Le variateur comprend également une pluralité de leviers (44, 60), chacun connecté à un rouleau correspondant (30, 32) et à son actionneur associé (36, 38). La connexion des actionneurs aux rouleaux au moyen des leviers permet d'obtenir un dispositif bien plus compact.

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