Air flow control device

Details Air flow control device Air flow control device

1975-09-23

1976-11-09

Rosenthal, Arnold

Valves and valve actuation

With selective flow regulation

Rotary

251DIG2, 251345, F16K 328

Patent

active

039906787

ABSTRACT:
Air flow control means comprising a substantially annular member having an outer surface and an inner surface, a port formed through said member and connecting said surfaces, a flexible, resilient band having at least one passage therethrough, said band surrounding and slidable on said outer surface and the shape of said outer surface being such that said band follows a path that is spaced from said outer surface in at least two spaced-apart regions thereof and contacts said outer surface in at least two further regions thereof, one of said further regions being the region of said port, the distortion of said band being such that said band is pulled into sealing engagement with said outer surface in the region of said port.

REFERENCES:
patent: 1272950 (1918-07-01), Hawkins
patent: 2839080 (1958-06-01), Copeland
patent: 3039463 (1962-06-01), Dickey Jr.
patent: 3135293 (1964-06-01), Hulsey

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