Energy conserving laboratory hood

Details Energy conserving laboratory hood Energy conserving laboratory hood

1978-05-25

1979-05-22

Capossela, Ronald C.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118326, 118DIG7, 13761411, F23J 1100

Patent

active

041552890

ABSTRACT:
An energy saving ambient pressure compensating laboratory fume hood system which provides safe, economical, constant-velocity hood intake at all positions of hood access-opening and regardless of ambient pressure changes by means, in typical embodiment, of coacting cam and venturi structure linked to the hood sash.

REFERENCES:
patent: 487521 (1892-12-01), Glendinning
patent: 1527153 (1925-02-01), Gray
patent: 2715359 (1955-08-01), Mackintosh et al.

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