Apparatus and method for uniform powder feed

Details Apparatus and method for uniform powder feed Apparatus and method for uniform powder feed

1973-07-16

1977-11-22

Blunk, Evon C.

Cutlery

302 49, B65G 5366

Patent

active

040593100

ABSTRACT:
Disclosed herein is an apparatus for uniformly feeding particulate matter into a carrier gas, which apparatus includes a particulate matter inlet duct communicating with a carrier gas conduit, a device for introducing into the conduit upstream of the inlet duct, a flow of carrier gas which is maintained under constant pressure prior to introduction, a particulate matter pump communicating with the inlet duct and operable at a variable pumping rate to supply particulate matter through the inlet duct to the conduit, a device for sensing the pressure in the conduit, and a control connected to the pressure sensing means for varying the pumping rate of the pump in accordance with pressure variation in the conduit to maintain a uniform feed of particulate matter into the carrier gas flowing in the conduit.

REFERENCES:
patent: 1206112 (1916-11-01), Holbeck
patent: 1231327 (1917-06-01), Brauchler
patent: 1365663 (1921-01-01), Covert
patent: 1541903 (1925-06-01), Crites
patent: 2608446 (1952-08-01), Pota
patent: 2712475 (1955-07-01), Lukes
patent: 2984521 (1961-05-01), McCulloch
patent: 3268266 (1966-08-01), Brown
patent: 3291536 (1966-12-01), Smoot
patent: 3504945 (1970-04-01), Leibundgut et al.

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