Flow rate control valve

Details Flow rate control valve Flow rate control valve

1979-09-19

1981-04-21

Nilson, Robert G.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

91443, 1375992, F15B 1104, F15B 13042

Patent

active

042626951

ABSTRACT:
A flow rate control valve for use with an actuator, in which a fluid may be quickly discharged from a cylinder in the actuator on a return stroke of a piston which is slidingly fitted in the cylinder. The valve includes a casing defining a fluid inlet port and a fluid outlet port, a fluid passage interconnecting the two ports, a throttle valve for restricting the opening of the fluid passage, and a pressure-regulating valve which is adapted to be open at pressures over a given pressure level. In this flow rate control valve, the throttle valve and pressure adjusting valve may be combined into a composite valve. An externally adjustable pressure adjusting spring, resiliently biasses the pressure regulating valve.

REFERENCES:
patent: 1697865 (1929-01-01), Hahn et al.
patent: 2499262 (1950-02-01), Stoudt
patent: 2501483 (1950-03-01), Taylor
patent: 2570937 (1951-10-01), Gash
patent: 3010435 (1961-11-01), Abrams
patent: 3213886 (1965-10-01), Pearne

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