Pressure control valve

Details Pressure control valve Pressure control valve

1987-12-10

1989-04-11

Rivell, John

Fluid handling

Line condition change responsive valves

Direct response valves

13762534, F16K 4702

Patent

active

048196908

ABSTRACT:
A pressure control valve has a spool slidably mounted in a valve body. The valve body has a chamber between opposed lands of the spool. An oil guide is provided in the chamber. The oil guide has a passage arranged to apply oil pressure to the lands. The passage has a small cross-sectional area so as to reduce pulsation of oil pressure.

REFERENCES:
patent: 3053116 (1962-09-01), Christenson et al.
patent: 3721266 (1973-03-01), Ikebe et al.
patent: 4087967 (1978-05-01), Knapp
patent: 4467674 (1984-08-01), van Deursen et al.

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