Powder fed sheared dispersal particle generator

Details Powder fed sheared dispersal particle generator Powder fed sheared dispersal particle generator

1981-08-28

1984-01-31

Love, John J.

Conveyors: fluid current

Fluid current conveyor outlet means

Conveyor having plural outlets

239568, 241 95, B65G 5302, G01M 900

Patent

active

044287038

ABSTRACT:
The present invention discloses a particle generating system which is capable of breaking up agglomerations of particles and producing a cloud of uniform, submicron-sized particles at high pressure and high flow rates. This is achieved by utilizing a tubular structure 11 which has injection microslits 12 on its periphery to accept and disperse the desired particle feed 16. By supplying a carrying fluid 19 at a pressure, P.sub.in, of approximately twice the ambient pressure of the velocimeter's settling chamber 20, P.sub.sc, the microslits 12 will operate at choked flow conditions. The shearing action of this choked flow is sufficient to overcome interparticle bonding forces, thereby breaking up the agglomerates of the particle feed 16 into individual particles.

REFERENCES:
patent: 1971376 (1934-08-01), Hunt et al.
patent: 2687593 (1954-08-01), Edwards
patent: 2771320 (1956-11-01), Korwin
patent: 3479857 (1969-11-01), Bloxsom, Jr. et al.
patent: 3709026 (1973-01-01), Rhodes et al.
patent: 3893335 (1975-07-01), Johnson et al.
patent: 3937404 (1976-02-01), Johnson
patent: 4031748 (1977-06-01), Cramer

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