Cleaning device for avoiding dissipation of polluted air due to

Details Cleaning device for avoiding dissipation of polluted air due to Cleaning device for avoiding dissipation of polluted air due to

1998-12-09

2000-03-21

Woo, Jay H.

Gas separation

Combined or convertible

553858, 15313, B01D 5300

Patent

active

060397764

ABSTRACT:
A cleaning device for avoiding dissipation of polluted air due to smoking, including a chair body, a gas-collecting funnel, a sucking device, a filtering box and a control circuit. A main power switch is disposed on the chair body. The gas-collecting funnel can be pulled downward and extensibly opened to restrain the polluted air due to smoking within the funnel. An ash tray is disposed on an arm rest of the chair body. A microswitch is installed at the bottom of the ash tray for controlling the operation of the sucking device. The polluted air is sucked from the funnel through a gas conduit into the filtering box to be filtered and purified by a filtering cotton and active carbon. Therefore, the air can be cleaned and recycled and the dissipation of polluted air is avoided.

REFERENCES:
patent: 2299668 (1942-10-01), Webster
patent: 3958965 (1976-05-01), Raczkowski
patent: 4043776 (1977-08-01), Orel
patent: 4119419 (1978-10-01), Passara et al.
patent: 5085134 (1992-02-01), Hofstra et al.
patent: 5649997 (1997-07-01), Cavallero et al.

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