F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/11
F16D 25/063 (2006.01) F16D 25/0635 (2006.01)
Patent
CA 1265460
HYDRAULICALLY ACTUATED STARTING CLUTCH ASSEMBLY ABSTRACT: A hydraulically-actuated starting clutch (10), and more particularly a starting clutch for a continuously variable transmission which is located at the output of the transmission to couple the vehicle wheels to the engine upon a signal from a throttle-induced system oil pressure. The clutch includes a housing (27) connected to the drive shaft (11) through a hub (21) and forming a pressure chamber behind an annular piston (32), a Belleville spring (54) connecting the driving shaft hub (21) and a pressure plate (42) together for simultaneous rotation; the piston (32) urging the pressure plate (42) against a clutch plate (45) and an end plate (38) secured in the housing. The piston (32) includes a plurality of axial projections (36) thereon contacting the surface of the pressure plate (42) opposite to the clutch plate, and the clutch plate (45) is operatively connected to a driven concentric sleeve shaft (49) to drive the vehicle wheels. An annular balance cap (61) secured in the housing between the piston and pressure plate has openings closely receiving the piston projections and provides a centrifugally shrouded zone for cooling oil to react against the centrifugal force acting on the hydraulic fluid urging the piston against the pressure plate.
496928
Borg-Warner Corporation
Macrae & Co.
LandOfFree
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