Partially fluid locked drive train

Machine element or mechanism – Gearing – Plural power paths to and/or from gearing

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747105, F16H 144

Patent

active

043899080

ABSTRACT:
Partial locking for a fluid-locked planetary gear used in a differential or the like is obtained by causing oil to be squeezed between the gears of a planetary gear train, thereby providing increased resistance to movement, or partial locking, of the gears within the gear train. Improved partial locking for a fluid-locked planetary gear train is provided by loosely mounting planet gears for movement within the chambers which closely surround the partially locked planet gears. The driving and reaction forces on the loosely mounted planet gears permit the planet gears to move so that their peripheral ends come into close engagement with the walls of the chambers in which the gears are mounted to further increase the fluid resistance to movement of the gears. To obtain similar partial locking characteristics in either a forward or a reverse direction, the planet gear pairs and their corresponding chambers are reversed in their relative positions.

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Detroit Automotive Division of Aspro, Inc. Warren, Mich.

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