Piston and valve arrangement

Details Piston and valve arrangement Piston and valve arrangement

1984-06-14

1986-04-01

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

F16K 11044

Patent

active

045791384

ABSTRACT:
The invention relates to a piston for a quick dump valve disposed for filling a space after the evacuating or dumping of that space. The piston is in the form of a plate (21) having a short peripheral flange (22), the external face of which assures only relative guidance by engaging the cylinder with a play sufficiently great as to reserve a passage (3) for the gas supplied via the feed opening sufficient to allow this gas to reach the space and a medial flange (23), the edge of which has a bearing surface the shape of which is complementary to that of the seat (9) with which it cooperates in order to close the discharge passage. The valve is particularly adapted for improving the outflow of products at the outlet of silos.

REFERENCES:
patent: 212972 (1879-03-01), Osgood
patent: 2041148 (1936-05-01), Redfield
patent: 2567391 (1951-09-01), Mead
patent: 3070112 (1962-12-01), Fricke
patent: 3788527 (1974-01-01), Matson
patent: 3827451 (1974-08-01), Roob
patent: 3895648 (1975-07-01), Stoll
patent: 4051982 (1977-10-01), Stetson
patent: 4197966 (1980-04-01), Wadensten

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