Hydraulically-operable locking differential including adjustable

Details Hydraulically-operable locking differential including adjustable Hydraulically-operable locking differential including adjustable

1996-12-19

1999-02-02

Wright, Dirk

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Control of differential planetary gearing

F16H 4830

Patent

active

058657010

ABSTRACT:
A hydraulically-operable locking differential includes a retainer ring that is threadably connected with the axle housing for adjustably supporting the bearings at one end of a differential casing, which retainer ring contains ducting for supplying pressure fluid to a hydraulic actuator contained within the casing, thereby to activate a friction pack assembly to lock a side gear of the differential to the differential casing. The ducting for the hydraulic fluid includes a first passage contained in the retainer ring, a second passage contained in and extending longitudinally of a tubular end portion of the casing, and a third passage which affords continuous communication between the first and second passages during rotation of the casing relative to the axle housing.

REFERENCES:
patent: 2894416 (1959-07-01), Scott
patent: 2991664 (1961-07-01), Bernotas
patent: 3628399 (1971-12-01), Seitz
patent: 4263824 (1981-04-01), Mueller
patent: 4679463 (1987-07-01), Ozaki et al.
patent: 4862768 (1989-09-01), Iwatsuki, et al.
patent: 4966249 (1990-10-01), Imaseki
patent: 4978329 (1990-12-01), Yasui et al.
patent: 5125876 (1992-06-01), Hirota
patent: 5133696 (1992-07-01), Kobayashi
patent: 5520589 (1996-05-01), Dewald, et al.

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