Power transmission system of hydraulically driven working...

Details Power transmission system of hydraulically driven working... Power transmission system of hydraulically driven working...

2011-07-19

2011-07-19

Fleming, Faye M. (Department: 3616)

Motor vehicles

Motor as source of power for other machine

Hydraulic drive to other machine

Reexamination Certificate

active

07980339

ABSTRACT:
A power transmission system of a hydraulically driven working vehicle comprises: a prime mover supported by a vehicle frame, the prime mover including a prime mover output shaft projecting in the fore-and-aft direction of the vehicle; a pump housing; a hydraulic pump disposed in the pump housing, the hydraulic pump including a pump shaft projecting from the pump housing in the fore-and-aft direction of the vehicle so as to be drivingly connected to the prime mover output shaft; a first hydraulic motor disposed outside the pump housing so as to be fluidly connected to the hydraulic pump; a transaxle supported by one of front and rear portions of the vehicle frame, the transaxle including a transaxle housing, a pair of axles disposed in the transaxle housing so as to be driven by the hydraulic motor, and a differential gear unit disposed in the transaxle housing so as to be drivingly interposed between the hydraulic motor and the pair of axles; a PTO shaft; and a working power train extracting a part of power transmitted from the prime mover output shaft to the pump shaft and transmitting the extracted power to the PTO shaft.

REFERENCES:
patent: 6732828 (2004-05-01), Abend
patent: 7383913 (2008-06-01), Tsukamoto et al.
patent: 2006/0260303 (2006-11-01), Ishii et al.
patent: 2008/0210482 (2008-09-01), Ishii et al.
patent: 2009/0025997 (2009-01-01), Ishii et al.

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