Seatless valve

Details Seatless valve Seatless valve

1976-08-12

1977-07-26

Reeves, Robert B.

Valves and valve actuation

Rotary valves

Plug

222510, 222548, 222553, F16K 504

Patent

active

040378209

ABSTRACT:
A seatless valve for controlling the flow of granular material from a hopper or the like. The valve comprises a housing having a cylindrical spout fixed therein. Coaxial with the spout but spaced therefrom is a rotor gate having a cutaway cylindrical wall that rotates around the spout. In one position, flow through the valve is uninterrupted. In another position, the gate occupies the area of repose of the material falling through the spout, thus interrupting that flow. The housing may seal the spout and gate from the surrounding atmosphere.

REFERENCES:
patent: 2321395 (1943-06-01), Kirk
patent: 2710121 (1955-06-01), Rees
patent: 2917208 (1959-12-01), Arnold

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