Planetary gear transmission systems or components – Differential planetary gearing – Spur gear differential
Patent
1996-02-07
1997-06-10
Wright, Dirk
Planetary gear transmission systems or components
Differential planetary gearing
Spur gear differential
F16H 4820, F16H 4810, B60K 2304
Patent
active
056370504
ABSTRACT:
A differential drive comprising two axle shaft gears supported coaxially in the differential carrier and having different pitch circle diameters, and a plurality of differential gears which are supported relative to said axle shaft gears in an axis-parallel way in the differential carrier and which, by means of their tooth heads, are slidingly supported in axial bores of the differential carrier, with first differential gears covering the axial length of both axle shaft gears and comprising two different toothed regions of which the teeth of a first one engage the teeth of the axle shaft gear with the greater pitch circle diameter and of which the teeth of a second one engage the teeth of at least one of said further differential gears and with second differential gears covering the axial length of the axle shaft gear with the smaller pitch circle diameter and, along said length, engaging both the axle shaft gear and at least one of the first differential gears and with the major diameters of both toothed regions of the first differential gears being identical relative to one another and with the first differential gears being supported in bores extending over the entire length of the differential gears and having constant diameters.
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GKN Viscodrive GmbH
Wright Dirk
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