Valves and valve actuation – Rotary valves – Plug
Patent
1978-05-05
1979-11-06
Cline, William R.
Valves and valve actuation
Rotary valves
Plug
251288, 251317, 251357, F16K 500
Patent
active
041733282
ABSTRACT:
A positive-action non-leaking shut-off valve that requires minimal arcuate movement of the manual actuator from full-open to full-closed position is provided by three major components. A valve housing has a water-flow channel therethrough along its longitudinal axis and a cylindrical bore through said valve housing transversal to said water-flow channel. A lever-actuated valve shaft fits snugly into said bore. The valve shaft carries a plug therein that is centered for rotation about the centerline of the bore through the housing. The plug stoppers the water-flow channel when it is rotated against the openings that the water-flow channel makes with the cylindrical bore.
REFERENCES:
patent: 3296026 (1967-01-01), Long
patent: 3360236 (1967-12-01), Hulslander
patent: 3787028 (1974-01-01), Semon
patent: 3985335 (1976-10-01), Burke
patent: 4015816 (1977-04-01), Semon
Cline William R.
Spiegel H. Jay
The Leisure Group
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