Hydraulic transaxle and hydraulically driven vehicle

Details Hydraulic transaxle and hydraulically driven vehicle Hydraulic transaxle and hydraulically driven vehicle

2006-08-11

2008-12-30

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Condition responsive control of motive fluid flow

C060S328000

Reexamination Certificate

active

07469537

ABSTRACT:
A hydraulic transaxle comprises: an axle; a hydraulic pump driven by a prime mover; a hydraulic motor fluidly connected to the hydraulic pump so as to drive the axle; a bypass fluid circuit bypassing between suction and delivery ports of the hydraulic motor; a bypass valve provided in the bypass fluid circuit; a bypass operation device for selectively opening or closing the bypass valve; and a reset mechanism for closing the opened bypass valve.

REFERENCES:
patent: 6145312 (2000-11-01), Hauser et al.
patent: 6651427 (2003-11-01), Poplawski et al.
patent: 6732828 (2004-05-01), Abend et al.
patent: 6735943 (2004-05-01), Hauser et al.
patent: 6845837 (2005-01-01), Ohashi et al.
European Search Report and Search Opinion for EP Appl. No. 06 01 6973, European Patent Office, mailed Oct. 15, 2008, 6 pages.

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