Continuously operated and cleaned filter apparatus

Details Continuously operated and cleaned filter apparatus Continuously operated and cleaned filter apparatus

1987-04-03

1988-10-18

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55283, 55303, 55307, B01D 3322, B01D 3512

Patent

active

047784911

ABSTRACT:
Dirty air contaminated with cotton dust or the like is alternately directed against the left-hand section of a filter screen, then the right-hand section by a pair of movable baffle plates or vanes. While the dirty air impinges upon one section of the filter screen, backwash air is blown in the reverse direction through the opposite section of the other section to flush the impurities there collected. Upon receipt of a pressure differential generated signal that the one side is loaded, the baffle plates or vanes are moved to the opposite position whereby the one section of the filter screen is cleaned by the backwash air while the dirty air impinges upon the opposite side section. The interior of the filter apparatus is so constructed that the backwash air, after passing through the filter screen in the reverse direction circulates back beneath the vanes and exits in the forward direction through the screen with the clean air.

REFERENCES:
patent: 1729527 (1929-09-01), Titgen
patent: 3164455 (1965-01-01), Westlin
patent: 3486309 (1969-12-01), Wild
patent: 3612616 (1971-10-01), Stewart
patent: 3699747 (1972-10-01), Kroll
patent: 3762143 (1973-10-01), Stewart
patent: 3951623 (1976-04-01), Furstenberg
patent: 4036614 (1977-07-01), DeMarco
patent: 4372713 (1983-02-01), Kean, Jr.
patent: 4502874 (1985-03-01), Levie et al.
patent: 4560396 (1985-12-01), O'Dell

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