Pneumatic conveying system

Details Pneumatic conveying system Pneumatic conveying system

1978-08-17

1979-10-23

Rowland, James L.

Conveyors: fluid current

Having means to introduce booster fluid into conveyor

Plural booster inputs

137508, B65G 5316

Patent

active

041719255

ABSTRACT:
A pneumatic conveying system includes a conveying conduit, a gas conduit which communicates with it at least at one juncture, and a release valve at the juncture. The release valve includes a housing connected with the conveying conduit and the gas conduit, a flexible diaphragm secured to the housing and subdividing the same into one chamber communicating with the gas conduit and another chamber connected with the conveying conduit, the diaphragm having a substantially central opening, a valve-seat member connected to and movable with the diaphragm in response to flexing of the same and forming a valve seat surrounding the opening, a valve member carried by the housing and located in the one chamber, means guiding the valve seat member for movement relative to the valve member between a valve-opening and a valve-closing position, and valve-closing spring means located in the one chamber and permanently tending to urge the valve-seat member to the valve-closing position thereof.

REFERENCES:
patent: 1038527 (1912-09-01), Coleman
patent: 2897005 (1959-07-01), Wiltse
patent: 3929379 (1975-12-01), Krambrock
patent: 4067622 (1978-01-01), Krambrock et al.

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