Fume exhauster

Details Fume exhauster Fume exhauster

1993-12-21

1995-03-07

Bushey, Charles S.

Gas separation

With gas flow effecting means

Impeller within or proximate to space encompassed by...

55472, 55DIG29, 55DIG36, 126299D, 454 67, 454189, B01D 4602

Patent

active

053954106

ABSTRACT:
An improved fume exhauster includes a housing forming therein a receiving space in which a suction and filtration unit is disposed. Fastened to the lower portion of the receiving space of the housing is a bottom plate having a fume sucking hole and a plurality of air exit holes arranged at a predetermined interval along left, right and front edges thereof. The fume is sucked in through the fume sucking hole of the bottom plate and is subsequently filtered by a filtration member. The filtered fume (clean air) is caused to pass through the air exit holes to form an air curtain under the fume exhauster. The air curtain acts to prevent the dissipation of the fume so as to reinforce the sucking and exhausting effect of the fume exhauster.

REFERENCES:
patent: 3023688 (1962-03-01), Kramer
patent: 3726203 (1973-04-01), Lindestrom
patent: 3776121 (1973-12-01), Truhan
patent: 4450756 (1984-05-01), Kling
patent: 5192348 (1993-03-01), Ludwig
patent: 5268012 (1993-12-01), Jang

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