Differential mechanism

Details Differential mechanism Differential mechanism

1992-02-26

1993-02-02

Wright, Dirk

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

475231, F16H 145

Patent

active

051834464

ABSTRACT:
Limited slip differential, e.g. for vehicle transmissions, seen in FIG. 1, has a carrier (18) rotating about a first axis in a support casing (12) typically driven by a crown wheel (22) and main drive pinion (24). A pair of output half shafts (14, 16) on said axis have output pinions (28, 30) within the carrier meshing with at least one, and preferably a pair, of planet pinions (32, 34) journalled in the carrier on a second axis normal to first axis to allow differential motion of the output shafts while transmitting drive to both from the rotating carrier in known manner.
Controlled shifting of the planet gear(s) relative to the carrier by angular displacement of the second axis in a diametral plane of the first axis from a neutral position to an inhibiting position, e.g. by displacement of a planet gear shaft (36) in slots (38) of the carrier, when the carrier is subjected to drive torque brings formations, e.g. end faces (42, 44) of the planet gears, into braking engagement with formations (46, 48) of the carrier so as to inhibit the differential action.

REFERENCES:
patent: 2392441 (1946-01-01), Wildhaber
patent: 2490146 (1949-12-01), Miller, Jr.
patent: 2569015 (1951-09-01), Miller, Jr.
patent: 3027781 (1962-04-01), O'Brien
patent: 3053114 (1962-09-01), Singer

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