Hydraulic servo control spool valve

Details Hydraulic servo control spool valve Hydraulic servo control spool valve

1981-05-15

1983-07-05

Rosenthal, Arnold

Valves and valve actuation

With selective flow regulation

138 43, F16K 4704, F16K 332

Patent

active

043914306

ABSTRACT:
A servo operated spool valve having a fixed sleeve and axially movable spool. The sleeve is machined in two halves to form a long, narrow tapered orifice slot across which a transverse wall of the spool is positioned. The axial position of the spool wall along the slot regulates the open orifice area with extreme precision.

REFERENCES:
patent: 1678459 (1928-07-01), Bowland
patent: 3472281 (1969-10-01), Chiba et al.
patent: 3498058 (1970-03-01), Greune et al.

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