Hydrostatic transaxles

Details Hydrostatic transaxles Hydrostatic transaxles

2005-04-05

2005-04-05

Estremsky, Sherry (Department: 3681)

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

C074S60600R, C060S487000

Reexamination Certificate

active

06875147

ABSTRACT:
An axle assembly has an internally disposed hydrostatic transmission and speed reducing gearing. An input shaft supported in the housing drives a variable-displacement hydraulic pump, the pump fluidly coupled to a fixed-displacement hydraulic motor, and the motor drivingly connected through the speed reducing gearing to an output axle shaft. The housing being formed by three housing members and joined together along a substantially planar and horizontally peripheral seam formed therebetween such that two of the housing members are to one side of the seam and join with the third housing element. Two internal chambers formed by the three housing elements where one chamber contains the hydrostatic transmission and the other chamber contains the speed reducing gearing. A connecting shaft spanning between the chambers to provide the power transmission link between the hydrostatic transmission and the speed reducing gearing.

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