Powder dispersing apparatus with movable powder storing member

Details Powder dispersing apparatus with movable powder storing member Powder dispersing apparatus with movable powder storing member

1995-11-30

1997-06-10

Cooley, Charles E.

Agitating

By injecting gas into mixing chamber

Into rotating mixing chamber

366139, 366191, 366232, 406 51, 406 52, 406 74, 406114, 406115, 406134, 406142, B01F 1302, B01F 1306

Patent

active

056369212

ABSTRACT:
A powder dispersing apparatus which can disperse every given amount of sample powder in a gas even when the amount is small, thereby continuously generating dispersed powder or floating powder at a desired concentration. The powder dispersing apparatus includes a hollow closed pressure vessel having an air supply port; a suction nozzle mounted to a top portion of the closed pressure vessel and having a cylindrical portion, the suction nozzle being formed with a tubular passage having a suction port at a lower end of the cylindrical portion and a discharge port opening outside the closed pressure vessel; a scraper fixed to the lower end of the cylindrical portion of the suction nozzle so as to be spaced a given distance therefrom, the scraper having a scraper blade located just under the suction port; a powder storing member for storing powder, the powder storing member being rotatable and vertically movable so that the scraper and the cylindrical portion of the suction nozzle are inserted in the powder storing member. The powder storing member may be rotated and vertically moved.

REFERENCES:
patent: 3951462 (1976-04-01), De Francisci
patent: 4497598 (1985-02-01), Blanton

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