Ventilating method and apparatus

Details Ventilating method and apparatus Ventilating method and apparatus

1998-04-03

2000-03-14

Simmons, David A.

Gas separation

Combined or convertible

In environmental air enclosure

553851, 55484, 55485, 55DIG18, 55DIG36, F24C 1520

Patent

active

060367369

ABSTRACT:
A ventilator hood including an air blower suitable to draw fumes emanating from a fume producing apparatus through a contaminate filter, a charcoal filter, and a HEPA filter including filter condition indicating means, fire suppression means, and special adapter plate means for directly connecting the ventilator hood to the fume producing apparatus.

REFERENCES:
patent: 3530784 (1970-09-01), Courchesne
patent: 3954427 (1976-05-01), Jenn
patent: 4854949 (1989-08-01), Giles, Sr. et al.
patent: 4902316 (1990-02-01), Giles, Sr. et al.
patent: 5002040 (1991-03-01), MacFarlane
patent: 5154161 (1992-10-01), Rogers et al.
patent: 5662097 (1997-09-01), Panos
patent: 5690018 (1997-11-01), Hansen
patent: 5704955 (1998-01-01), Giles
patent: 5718219 (1998-02-01), Boudreault

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