Silent valve

Details Silent valve Silent valve

1987-07-29

1988-10-18

Walton, George L.

Valves and valve actuation

With selective flow regulation

251210, 251267, 251268, 1374545, F16K 2500, F16K 3150

Patent

active

047781491

ABSTRACT:
This invention relates to a silent valve, consisting of a body 9 in which a shaft 10 having thread 8 is rotatably positioned for helical engagement with a piston carrier 7. Piston carrier 7 has an opening 24 on its head, in which a boss 25 of the piston 1 is positioned. The piston 1 is removably secured to piston carrier 7 by teeth 22 which grasp a circumferential flange 18 of the piston 1. A ring-like seal 15 is positioned on the piston 1 for selective opening of slots 4 on the hollow portion of head 3 for allowing fluid to flow through the valve. Piston carrier 7 also has a flange 38 with notches 39, 40 receiving cogs 35, 36 of securing element 20, positioned on the neck 30 of the shaft 10.

REFERENCES:
patent: 1062614 (1913-05-01), Sneddon
patent: 2838270 (1958-06-01), Danielson
patent: 2994343 (1961-08-01), Banks
patent: 3082786 (1963-03-01), McLean
patent: 3125122 (1964-03-01), Bermingham
patent: 4221238 (1980-09-01), Madsen
patent: 4468001 (1984-08-01), Stanic
patent: 4493338 (1985-01-01), Petursson
patent: 4549716 (1985-10-01), Warren

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