Air purification electrostatic charcoal filter and method

Details Air purification electrostatic charcoal filter and method Air purification electrostatic charcoal filter and method

1978-05-09

1981-01-13

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55126, 55131, 55151, 55152, 55138, 55154, 55DIG36, 55279, 55387, 422 4, 422 5, 422121, B03C 300

Patent

active

042447100

ABSTRACT:
An air purification filter is provided which has a housing; an inlet in the housing for air to be purified; a microporous filter medium, activated charcoal, which is placed in the housing so that the air to be purified passes through this microporous filter medium. The microporous filter medium serves as an electrostatic filter, with the air, including the particulate matter in the air, being charged to one polarity just prior to reaching the microporous filter medium, and with the microporous filter medium itself being directly charged, with an electrode at the downstream surface of the microporous filter medium. In a preferred embodiment an odor neutralizing medium bearing a charge opposite to that of the microporous filter medium is placed upstream of the microporous filter medium.

REFERENCES:
patent: 636304 (1899-11-01), Vosmaer
patent: 2579441 (1951-12-01), Palmer
patent: 2579445 (1951-12-01), Wauburton
patent: 2974747 (1961-03-01), Coolidge, Jr. et al.

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