Hydraulic transaxle for garden care vehicle

Power plants – Pressure fluid source and motor – Having plural energy outputs

Reexamination Certificate

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Details

C060S487000, C060S586000, C060S587000

Reexamination Certificate

active

07395665

ABSTRACT:
A hydrostatic transmission assembly includes a first gerotor motor, a pump housing, a first variable displacement pump, a second gerotor motor, and a second variable displacement pump. The first gerotor motor includes a first output shaft aligned along a first axis. The pump housing connects to and contacts the first gerotor motor. The first variable displacement pump includes a first driven shaft mounted to the pump housing and aligned along a second axis, the second axis being generally perpendicular to the first axis (the first output shaft axis). The first variable displacement pump is in fluid communication with the first gerotor motor via passages in the pump housing. The second gerotor motor includes a second output shaft generally aligned along or generally parallel to the first axis. The second gerotor motor is connected to the pump housing on an opposite side of the pump housing as the first gerotor motor. The second variable displacement pump includes a second driven shaft mounted to the pump housing and aligned generally parallel to the second axis. The variable displacement pump is in fluid communication with the second gerotor motor via passages in the pump housing.

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International Search Report and Written Opinion of the International Searching Authority dated Aug. 7, 2007.

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