Valve

Details Valve Valve

1987-08-07

1989-06-27

Chambers, A. Michael

Valves and valve actuation

Relatively movable valve elements form single port closure

251205, F16K 1300

Patent

active

048422452

ABSTRACT:
A fluid control valve has two cylinders arranged parallel to each other with their surfaces in contact. The cylinders are rotated in opposite directions such that their contact surfaces move in the same direction. At least one of the cylinders has a groove formed in its surface extending partially around the circumference and varying in depth along its extent to define an aperture for fluid to flow through. This aperture can be varied in size by rotating the cylinders thereby controlling the flow rate of fluid through the valve. The cylinders are formed with gear teeth on their surfaces which intermesh with each other to provide a seal between the cylinders. The cylinders are rotated by engaged pinion gears driven by suitable drive means.

REFERENCES:
patent: 1170046 (1916-02-01), Carleton
patent: 1172388 (1916-02-01), Prescott
patent: 1830214 (1931-11-01), Van Keulen
patent: 2740635 (1956-04-01), O'Toole

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