Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Control of differential planetary gearing
Patent
1998-03-10
1999-07-20
Wright, Dirk
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Control of differential planetary gearing
F16H 4822
Patent
active
059249480
ABSTRACT:
A differential drive having a controllable locking device is loaded by a differential-speed-dependent actuating device. A rotatingly drivable differential carrier is supported in a drive housing and is provided with axle shaft bevel gears which are co-axially arranged therein and which are connectable by insertable axle shaft journals. A plurality of differential bevel gears are rotatably arranged on radial journals in the housing and each engage both axle shaft gears, with the axes of the journals of the differential bevel gears being positioned in a central plane of the differential carrier. A multi-plate coupling unit for locking purposes is arranged co-axially in the differential carrier relative to the central plane on a first side of the unit and with a pump unit for actuating purposes being arranged co-axially in the differential carrier relative to the central plane on a second side of the unit.
REFERENCES:
patent: 4644823 (1987-02-01), Mueller
patent: 5087228 (1992-02-01), Johansson
GKN Viscodrive GmbH
Wright Dirk
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