Torque-apportioning differential mechanism for motor vehicles
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United States of America Patent
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-
Apr 18, 1989
Grant Date -
N/A
app pub date -
May 6, 1987
filing date -
Jul 31, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Limted slip differential mechanism for dividing input torque, applied to a splined sleeve (5) unequally between a front propeller shaft (7) and a rear propeller shaft (8) comprises a casing (10) (carrying the sleeve 5) in which are mounted for rotation about their respective axes a wormwheel (21ad) and front and rear worms (18D, 18A) meshing with opposite sides of the wormwheel (21ad) and being of sufficient length also to mesh with helical output gears (15,16) on the respective shafts (7,8). The rear output gear (16) is larger than the front output gear (15) so the torque is divided between the output gears in the ratio of their pitch circle diameters in the absence of substantial relative rotation while normal traction is maintained, but with limited slip if potential loss of traction occurs.
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