Roll filter metering arrangement

Details Roll filter metering arrangement Roll filter metering arrangement

1982-12-13

1984-09-11

Nozick, Bernard

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55354, 335205, B01D 1900

Patent

active

044708335

ABSTRACT:
A metering arrangement for limiting the advance of the filter media in an automatic roll filter having a timer which periodically energizes a drive motor adapted to draw the media through the filtering zone of the apparatus. The arrangement includes a metering reel which is adapted to rotate in direct proportion to the lineal advance of the filter media, a magnet mounted on the reel which generates a magnetic field limited to a predetermined arc of the periphery of the reel, and a reed switch which is actuated by the magnetic field to signal an electrical circuit to shut off the drive motor after a preselected increment of the filter media has been drawn into the filtering zone of the apparatus.

REFERENCES:
patent: 2268834 (1942-01-01), Kuperus
patent: 2848064 (1958-08-01), Gregory
patent: 3175775 (1965-03-01), Wurlenberg et al.
patent: 3310931 (1967-03-01), Revell

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