Mechanism for changing over fluid passages

Fluid handling – Systems – With flow control means for branched passages

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Details

13762546, 137876, 406182, F16K 1106

Patent

active

044428650

ABSTRACT:
A fluid-passages change-over mechanism for transmitting powdery or granular material comprises a circular casing, a circular rotating plate having a drivable center axle rotatably admitted within the casing and a casing cover, and a swing pipe mounted on the circular rotating plate which extends through an arc-shaped opening in the cover. The mechanism further comprises an A circuit pipe and a B circuit pipe both fixed on an arc of the same radius from the axis of the circular casing. In operation, the A circuit pipe or the B circuit pipe communicates with the swing pipe through a reciprocating constant angle rotation of the circular rotating plate to change-over the powdery or granular material.

REFERENCES:
patent: 2586144 (1952-02-01), Benoit
patent: 3132669 (1964-05-01), Feldsted
patent: 3146033 (1964-08-01), Larsson
patent: 3527252 (1970-09-01), Cook et al.
patent: 3590872 (1971-07-01), Baity
patent: 3902682 (1975-09-01), Woll
patent: 4157848 (1979-06-01), Smoot
patent: 4189261 (1980-02-01), Kelley et al.

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