Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1987-02-02
1988-11-01
Braun, Leslie A.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
192 482, F16H 144
Patent
active
047810785
ABSTRACT:
An improved limited slip differential gear assembly for driving each axle of a pair of coaxially aligned vehicle axles at the same rotational speed or at relatively different rotational speeds as conditions require. The assembly includes an improved externally controllable clutch mechanism for preventing excessive relative rotation of the axles. The amount of the clutch force being applied to resist relative rotation may be varied independently of the relative rotational speed of the axles and also of the torque level in the gear assembly. Preferably the clutch mechanism is incorporated in a planetary wheel type differential and is activated electromagnetically. The clutch mechanism may include a cam operated supplemental clutch device for applying an additional clutch force in response to any continued relative rotation which may occur after the first clutching force has been applied by the electromagnet.
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Blessing Martin G.
Heine Charles F.
Pifer Richard L.
Braun Leslie A.
Dana Corporation
Leonardi Robert M.
McDonald Frank B.
Mensing Harold F.
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