Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Reexamination Certificate
2006-05-30
2006-05-30
Rodriguez, Joseph C. (Department: 3653)
Classifying, separating, and assorting solids
Fluid suspension
Gaseous
C209S721000
Reexamination Certificate
active
07051880
ABSTRACT:
An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in response to solids entering the input chamber. A balanced gate moves in response to solids exiting from the input chamber. An air fan delivers forced air to an air classifier chamber which is in communication with the input chamber. A heavy fraction discharge is in communication with the air classifier chamber to receive a portion of the solids heavier than the force of air delivered to the air classifier chamber. A light fraction discharge in communication with the air classifier chamber removes light solids. A return air duct in communication with the light fraction discharge returns air from the light fraction discharge to the fan. A bleed-off duct delivers a portion of forced air from the fan back into the input chamber.
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Head Johnson & Kachigian
Osborn Engineering, Inc.
Rodriguez Joseph C.
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