Pressure compensated steering system

Details Pressure compensated steering system Pressure compensated steering system

1979-10-29

1982-01-19

Cohen, Irwin C.

Power plants

Pressure fluid source and motor

Manual pump pressurizes fluid to position output motor...

1376253, 13762563, 13762566, 13762568, 180132, 180139, F15B 13042, F15B 1306

Patent

active

043110061

ABSTRACT:
In a pressure compensated steering valve, the effect of an input steering signal is cancelled by connecting the spool valve actuator to the reservoir. A shiftable spool valve is acted upon by end cap actuators, which are in turn controlled by a hand pump that is operated by a steering wheel. The spool valve is provided with internal passageways which place the pressurized end cap actuator in restricted fluid communication with the reservoir in order to cancel the effect of the input steering signal at a predetermined rate.

REFERENCES:
patent: 3744521 (1973-07-01), Paul
patent: 3862643 (1975-01-01), Dezelan
patent: 4003202 (1977-01-01), Becker
patent: 4065921 (1978-01-01), Baatrup et al.
patent: 4152971 (1979-05-01), Leonard

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