Flow amplifier in hydraulic steering system of a transport vehic

Details Flow amplifier in hydraulic steering system of a transport vehic Flow amplifier in hydraulic steering system of a transport vehic

1985-11-26

1990-08-14

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

60384, 91 6, 91 31, 180132, F15B 13042

Patent

active

049478940

ABSTRACT:
A flow amplifier in the hydraulic steering system of a transport vehicle comprises a three-position hydraulically operated hydraulic directional control valve having a single sliding spool valve and internal hydraulic pilot lines connected, when in the crossover position, to external portholes made in a sleeve of the three-position hydraulically operated hydraulic directional control valve provided with plungers spring-loaded on their outside end faces. The flow amplifier incorporates also a pair of intensifying chokes, a air of pilot chokes, and a pair of regulating chokes made in the sliding spool valve with a possibility of varying their restriction areas along the direction of travel of the sliding spool valve.

REFERENCES:
patent: 4356759 (1982-11-01), Ljubimov et al.
Prospectus of Danfoss Co., Denmark, No. 6/82-02, 1982.

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