Solar powered air filter system

Details Solar powered air filter system Solar powered air filter system

1989-07-21

1990-05-15

Joyce, Harold

55267, 55512, 98 46, 981151, 98900, E04F 1702

Patent

active

049247620

ABSTRACT:
A solar powered passive air filter system for filtering an air space polluted with particulate matter includes an elongated vertical chimney located in association with the polluted air space and in a position to be exposed to solar radiation. A duct connects the polluted air space to the base of the chimney. A filter medium is located in association with the duct for removing air pollutants from an air stream. An air stream is created in the duct by an ascending air stream in the chimney. The ascending air stream in the chimney is maintained in response to exposure of the chimney to solar radiation.

REFERENCES:
patent: 135507 (1873-02-01), Barker
patent: 345107 (1886-07-01), Brinkerhoff
patent: 886391 (1908-05-01), Moore
patent: 908614 (1909-01-01), Schuppener
patent: 1578030 (1926-03-01), Hirschberg
patent: 2358397 (1944-09-01), Howle
patent: 3489072 (1970-01-01), Secor
patent: 3871846 (1975-03-01), Berz et al.
patent: 4085667 (1978-04-01), Christianson

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