Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means
Patent
1979-05-23
1981-01-13
Schwadron, Martin P.
Valves and valve actuation
Lost motion between actuator and valve
Check valve with external opening and closing means
251340, F16K 3144
Patent
active
042445558
ABSTRACT:
A self-cleaning flow-regulating valve for an irrigation system has a displaceable element which is adjustable axially within a valve body by rotation of an external nut to adjust the position relative to two opposing seats of a floating bush which defines the size of a flow passage for irrigating liquid.
REFERENCES:
patent: 2892614 (1959-06-01), Majneri
patent: 3123337 (1964-03-01), Peras
patent: 3245703 (1966-04-01), Marly
patent: 3733557 (1973-05-01), Hammond
patent: 3856262 (1974-12-01), Jordon
patent: 3985332 (1976-10-01), Walker
Maggioni Virginio
Moretti Renzo
Centro Ricerche Fiat S.p.A.
Chambers A. Michael
Schwadron Martin P.
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