Valve of particulated material for vertical forced air channel

Details Valve of particulated material for vertical forced air channel Valve of particulated material for vertical forced air channel

1975-11-14

1977-05-17

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137511, 1375121, F16K 1500

Patent

active

040235912

ABSTRACT:
A one way insulating valving structure for a vertical channel having upwardly moving forced air providing a mass of particulated low density material such as plastic carried in a permeable enclosure and movable from a gravity biased lower sealing position to an upward open position by forced air passing therethrough.

REFERENCES:
patent: 536245 (1895-03-01), Webster
patent: 1613145 (1927-01-01), Trump
patent: 2090727 (1937-08-01), Gosmann
patent: 3320971 (1967-05-01), Hemenway

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