Hydraulic system and automatic gearbox

Details Hydraulic system and automatic gearbox Hydraulic system and automatic gearbox

2008-06-24

2011-11-08

Lopez, Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of...

Reexamination Certificate

active

08051652

ABSTRACT:
A hydraulic system including a multi-flow hydraulic pressure supply unit, especially a dual-flow hydraulic pressure supply unit, such as a pump, by which a volumetric flow of pressurized fluid is supplied to a hydraulic-fluid-operated device. A valve arrangement is provided either for switching between the individual pump flows or for interconnecting the individual pump flows.

REFERENCES:
patent: 3935918 (1976-02-01), Hicks et al.
patent: 4068678 (1978-01-01), Lang et al.
patent: 4712375 (1987-12-01), Kauss et al.
patent: 5951421 (1999-09-01), D'Herripon
patent: 57-77703 (1982-05-01), None
patent: 05-141363 (1993-06-01), None
patent: 09-112640 (1997-05-01), None
patent: 11-257239 (1999-09-01), None
patent: 11-280643 (1999-10-01), None

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