Planetary gear transmission systems or components – Differential planetary gearing – Differential or nondifferential planetary combined with...
Patent
1988-06-14
1990-04-10
Braun, Leslie A.
Planetary gear transmission systems or components
Differential planetary gearing
Differential or nondifferential planetary combined with...
180 2409, 475253, F16H 3706, B62D 6110
Patent
active
049149792
ABSTRACT:
An axle drive unit, for use in a tri-axle drive, comprises a casing (10) with an input member (18) at one end connected to the planet carrier (30) of a spur gear epicyclic differential gear whose sun gear (28) is connected to a tubular shaft (43) and then by gears (47, 56) to the input of an inter-wheel differential gear. The annulus gear (27) of the epicyclic differential gear is connected to a driving shaft (40) extending through the tubular shaft (43) and then to an output member (19) at the other end of the casing. The epicyclic differential gear gives a torque output to the output member (19) of approximately twice that to the inter-wheel differential gear in the unit, so that when the output member (19) is connected to a further inter-axle differential gear in a tri-axle drive, torque is approxiamately equally split between all three axles.
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patent: 4520690 (1985-06-01), Dangel
patent: 4599916 (1986-07-01), Hirosawa
patent: 4712448 (1987-12-01), Lanzer
Braun Leslie A.
GKN Axles Limited
Macris Harold F.
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