Arrangement and method for delivering hydraulic fluid in a...

Details Arrangement and method for delivering hydraulic fluid in a... Arrangement and method for delivering hydraulic fluid in a...

2011-04-12

2011-04-12

Lazo, Thomas E (Department: 3745)

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of distinct...

C060S469000, C060S486000

Reexamination Certificate

active

07921641

ABSTRACT:
An arrangement for delivering hydraulic fluid to at least one hydraulic actuator of a work vehicle for moving a work implement and/or steering the vehicle includes at least two pumps which are adapted to be operatively driven by a power source and adapted to operatively drive said at least one hydraulic actuator via hydraulic fluid. A first pump is operated with a phase shift relative to a second pump.

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patent: 5410879 (1995-05-01), Houze
patent: 5447050 (1995-09-01), Pahnke
patent: 6170261 (2001-01-01), Ishizaki et al.
patent: 6772589 (2004-08-01), Schienbein et al.
patent: 1286058 (2003-02-01), None
PCT International Search Report, mailed Oct. 17, 2006, in connection with International Application No. PCT/SE2006/000324.

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