Scheduled fluid control valve

Details Scheduled fluid control valve Scheduled fluid control valve

1985-09-09

1986-12-30

Walton, George L.

Valves and valve actuation

Mechanical movement actuator

Ratchet

13762414, 13762418, 239 66, 239570, 251252, F16K 31528

Patent

active

046323619

ABSTRACT:
A scheduled fluid control valve which performs a pre-established sequence of flow rates and timing schedules in response to pressure pulses in the controlled fluid. The valve consists of a generally cylindrical housing connected to a source of pressurized fluid and containing circular plates of cylindrical control surfaces coupled to actuating means responsive to the presence of pressurized fluid. The actuating means includes an actuator plate or cylinder, a biasing spring, and a longitudinal shaft or cylinder upon which is incised at least one generally helical groove within which track one or more follower pins. Pressurized fluid causes the actuator plate or cylinder to rotate, following the path defined by the helical groove, resulting in relative movement of the control surfaces whereby the schedule embodied in the relative size and placement of fluid ports through the control surfaces is performed. A plurality of control surfaces may be substituted to select a large number of fluid flow schedules and flow rates.

REFERENCES:
patent: 2793908 (1957-05-01), Carver, Jr.
patent: 3018788 (1962-01-01), Perlis
patent: 3147770 (1964-09-01), Perlis
patent: 3236260 (1966-02-01), Halsey
patent: 3408006 (1968-10-01), Stanwood
patent: 3459208 (1969-08-01), Clyde
patent: 4051767 (1977-10-01), Landsberg
patent: 4116216 (1978-09-01), Rosenberg
patent: 4226365 (1980-10-01), Norris et al.

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