Steven D. Jacob - Roselle IL James J. Coogan - Des Plaines IL Stefan G. Petras - Lindenhurst IL
Assignee:
Landis & Gyr Powers, Inc. - Buffalo Grove IL
International Classification:
B08B 1502
US Classification:
454 61
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.