Agitating – By injecting gas into mixing chamber – Plural gas feeders
Patent
1995-11-21
1997-02-18
Jenkins, Robert W.
Agitating
By injecting gas into mixing chamber
Plural gas feeders
34582, B01F 1302
Patent
active
056035667
ABSTRACT:
A powder hopper with an internal air assist is provided with at least one vertically extending tube having a plurality of air outlet ports which are utilized in agitating the powder within a powder chamber. According to a first embodiment, the vertically extending tubes are rotated about a central axis. According to a second embodiment, the vertically extending tube is divided up into a plurality of zones which are sequentially provided with pulses of compressed air, thereby providing an equivalent air agitation rotating action without the requirement of rotating the vertically extending tube.
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Burke Richard D.
O'Ryan David E.
ABB Flexible Automation Inc.
Jenkins Robert W.
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