Method and apparatus for controlling fume hood face velocity usi

Details Method and apparatus for controlling fume hood face velocity usi Method and apparatus for controlling fume hood face velocity usi

1993-04-05

1995-11-28

Joyce, Harold

Ventilation

Workstation ventilator

Covered workbench chamber

454 59, B08B 1502

Patent

active

054702755

ABSTRACT:
A fume hood controller and method which compensates for resistance to air flow through a by-pass opening that exists due to a grille or louvre overlying the by-pass opening.

REFERENCES:
patent: 4893551 (1990-01-01), Sharp et al.
patent: 4927438 (1990-05-01), Mears et al.
patent: 4934256 (1990-06-01), Moss et al.
patent: 4982605 (1991-01-01), Oram et al.
patent: 5092227 (1992-03-01), Ahmed et al.

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