Gas separation – With nonliquid cleaning means for separating media – Interdependent or interoperated gas flow cutoff or apparatus...
Patent
1982-09-29
1986-01-21
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Interdependent or interoperated gas flow cutoff or apparatus...
55300, 55502, B01D 4600
Patent
active
045655553
ABSTRACT:
A unique hybrid shop-style and continuous-duty vacuum collector using a large diameter filter has the advantages and capabilities of both specialized types. Because of efficient design and the use of pleated paper, the effective filter surface area is many times that of a conventional shop vacuum. This enables extended runs between filter cleanings in a reliable portable machine intended for both the hobbyist and the commercial shop operator. The filter cleaning mechanism breaks away the dirt accumulated on the filter surfaces by means of a plurality of shock generators symmetrically located at the filter circumference. These peripherally-generated shocks and the resulting filter oscillations are efficiently distributed by the design to be exactly parallel to the pleated paper surfaces, in order to protect the filter from damage. A mechanical sail interlock prevents further damage by precluding accidental activation of the filter cleaning mechanism during the dirt collection process. The invention also has special purpose applicability as a filtering element in gaseous systems, including those of low-gravity space.
REFERENCES:
patent: 251121 (1881-12-01), Kirk
patent: 704724 (1905-07-01), Whitney
patent: 1109997 (1914-09-01), Lob
patent: 2318395 (1943-05-01), Hornbrook
patent: 3898414 (1975-08-01), Hawley
patent: 4199334 (1980-04-01), Berkhoel
patent: 4246011 (1981-01-01), Oberdoerfer
Hummer John L.
Nozick Bernard
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