Planetary gear transmission systems or components – Differential planetary gearing – Spur gear differential
Patent
1995-03-08
1996-09-10
Marmor, Charles A.
Planetary gear transmission systems or components
Differential planetary gearing
Spur gear differential
74665GD, F16H 4810
Patent
active
055540813
ABSTRACT:
A parallel-axis torque-proportioning differential includes four sets of planetary gear pairs mounted within a differential housing having exterior dimensions substantially identical to those presently being used for comparable prior art designs. The four planetary pairs are arranged in two planetary sets positioned symmetrically-but-non-equiangularly with the axes of the planet gears in a mirror-image relationship about the common axis of the sun/side gears and with each planetary set comprising two of the separate and distinct planet gear pairs. The two planetary sets are separated from each other by large angular spacings; and two large windows, which are positioned in circumferential alignment with each of said large angular spacings, facilitate lubrication and also provide appropriate access to accommodate C-clip assembly.
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patent: 4365524 (1982-12-01), Dissett et al.
patent: 5055096 (1991-10-01), Riemscheid et al.
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patent: 5221238 (1993-06-01), Bawks et al.
patent: 5292291 (1994-03-01), Ostertag
patent: 5389048 (1995-02-01), Carlson
Estremsky Sherry Lynn
Marmor Charles A.
Zexel Torsen Inc.
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