Method and manufacture for purifying the atmosphere

Details Method and manufacture for purifying the atmosphere Method and manufacture for purifying the atmosphere

1994-07-11

1996-04-23

Joyce, Harold

Ventilation

Miscellaneous

553853, 55515, 96147, 96152, 454 69, 454 83, 454156, B60H 306, F24F 1328

Patent

active

055098533

ABSTRACT:
A manufacture and method by which particulate in the polluted ambient air is collected and retained, thereby purifying the ambient air. The manufacture is mounted amid a vehicle (17, 38, etc.) at a location always accessible to the ambient air in the atmosphere. Relative motion between vehicle and the polluted ambient air (37, 65) provides confrontation of the polluted air with a confronting receptacle (14) in which loosely gathered together pellets (13) are gathered together. Receptacle (14) comprises wire mesh (15) having interstices (31) smaller than the size of the pellets (13). As relative motion occurs between vehicle (17) and polluted air (37, 65), receptacle (14) confronts the polluted air, its pellets (13) entrapping particulate in the polluted ambient air, thereby purifying the ambient air and thereafter it being directly returned to the ambient air in the atmosphere. Alternative embodiments (43, 55) provide cages (26) into which receptacles (14) with their pellets (13) are put. Also, embodiments include putting cage, receptacles and pellets at stationary points where polluted ambient air is known to flow. In one alternative embodiment, a weather vane (56) seeks a position for a larger side of its cage.

REFERENCES:
patent: 1662738 (1928-03-01), Cougle
patent: 2294183 (1942-08-01), Holm-Hansen
patent: 2536274 (1951-01-01), Gaugler
patent: 2785620 (1957-03-01), Welch
patent: 3738088 (1973-06-01), Colosimo
patent: 3941034 (1976-03-01), Helwig et al.
patent: 5147429 (1992-09-01), Bartholomew et al.

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