Fluid handling – Systems – Multi-way valve unit
Patent
1977-01-24
1978-10-31
Cohen, Irwin C.
Fluid handling
Systems
Multi-way valve unit
1376253, F15B 1304, F16K 1107
Patent
active
041228685
ABSTRACT:
A directional flow control spool in an open center flow type of valve is provided with primary and secondary flow metering notches in the path of the center flow. The secondary metering notches provide an additional force which assists in the axial shifting of the control spool from a central neutral position.
REFERENCES:
patent: 430042 (1890-06-01), Sague
patent: 2212343 (1940-08-01), Goehring
patent: 2718240 (1955-09-01), Margrave
patent: 2783745 (1957-03-01), Stephens
patent: 2812775 (1957-11-01), Hodgson
patent: 2856960 (1958-10-01), Stacey
patent: 2914088 (1959-11-01), Beaman et al.
patent: 2969809 (1961-01-01), Klinger
patent: 2971536 (1961-02-01), Junck et al.
patent: 3009489 (1961-11-01), Miller
patent: 3123335 (1964-03-01), Darling
patent: 3138175 (1964-06-01), Chilcoat
patent: 3160174 (1964-12-01), Schmiel et al.
patent: 3198212 (1965-08-01), Junck et al.
patent: 3267966 (1966-08-01), Williams
patent: 3423136 (1969-01-01), Lohbauer
patent: 3483890 (1969-12-01), Oldenburg et al.
patent: 3556155 (1971-01-01), Morris et al.
patent: 3563137 (1971-02-01), Graber et al.
patent: 3901264 (1975-08-01), Stephens
Holloway Gale A.
Yeh Rudolph
Zagotta Joseph L.
AuBuchon F. David
Cohen Irwin C.
International Harvester Company
Krubel Frederick J.
Parks Raymond E.
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