Speed changing device

Details Speed changing device Speed changing device

F - Mech Eng,Light,Heat,Weapons

16

H

74/198

F16H 35/02 (2006.01) F16H 3/72 (2006.01)

Patent

CA 1204001

Abstract of the Disclosure A speed changing device having a first section preferably of a parallel axis gear set and a second section of a planetary gear set, the two sets being connected to one another, with the parallel gear set normally connected to the input shaft and the planetary gear set to the output shaft. A brake assembly, consisting of a plurality of alternately arranged reaction and opposing annularly shaped plates, controls the rotation of the ring gear and hence the speed and torque of the output shaft. The plates are cooled and lubricated to permit continued use of the brake assembly to control the speed of the output shaft and to provide a soft start for accelerating the equipment driven by the speed changing device. The faces of the brake plates contain radially extending intersecting grooves forming a series of diamond shaped lands throughout the faces of the plates, and the grooves supply a cooling and lubricating fluid to the plate faces to facilitate optimum performance of the brake assembly over extended periods of time.

435059

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