F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/116
F16H 39/24 (2006.01) F16H 37/02 (2006.01) F16H 47/08 (2006.01)
Patent
CA 1138678
079063-BL AUTOMOTIVE TRANSMISSION WITH CONTINUOUSLY VARIABLE SPEED MECHANISM Abstract: The disclosed transmission arrangement includes a fluid coupling (14) with impeller and turbine elements, and a lock-up (22) clutch for locking these elements together. A first shaft (20) is connected to the turbine element and the input pulley (48) of a continuously variable speed mechanism, which mechanism also has an output pulley (56) and a belt coupling the second pulley to the first. A planetary forward-reverse gear set (24), with a clutch and a brake, determine the direction of rotation of the input pulley for a given rotation of the first shaft. A second shaft (64), on a second axis, is connected to the output pulley (56) and also supports a first gear (66). A third shaft (70), on a third axis, includes a second gear (68) meshing with the first, and a third gear (72). A differential mechanism (74) includes a ring gear meshing with the third gear, and a pair of output connections for driving two axle shafts (86,88) on a fourth axis. This four axis arrangement provides effective use of a continuously variable speed mechanism with only a small transverse distance occupied in the engine compartment.
359235
Baldwin John H.
Gardner Derek
Borg-Warner Limited
Macrae & Co.
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