Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1983-03-25
1986-06-03
Staab, Lawrence
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
192 18B, F16H 5710
Patent
active
045922519
ABSTRACT:
A two speed drive comprising: a driving member; a rotatable driven member coaxially positioned relative to the driving member; a planetary gear system rotatable with the driving member and with the driven member for providing in one condition a non-reducing speed drive and for providing in a second condition a speed reducing drive therebetween, the gear system including a sun gear drivingly engaging the driving member, a ring gear mounted for rotation about said driving member, and a plurality of planetary gears interconnecting the sun gear and the ring gear, the driven member attached to and carried with the planetary gears; and a electromagnetic clutch, operable in a first mode for simultaneously driving the sun gear and the ring gear in the one condition to establish a non-reducing speed drive and operable in a second mode to rotationally lock the ring gear for driving the driven member through the sun gear and the planetary gears at a speed less than the speed of the driving member.
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patent: 4337855 (1982-07-01), Bennett
Canadian Fram Limited
Novais David A.
Seitzman Markell
Staab Lawrence
Wells Russel C.
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