Fume cupboards

Details Fume cupboards Fume cupboards

1979-05-25

1981-07-28

Makay, Albert J.

F23J 1100

Patent

active

042804000

ABSTRACT:
A fume cupboard which comprises a ventilated enclosure provided with an access opening. A cowling is provided along at least one edge of the opening, the cowling being spaced from the edge so that air flow channel is defined between the edge and the cowling. Additionally the cowling is shaped so that there is streamlined air flow over the cowling when the enclosure is being ventilated. The cowling improves containment of the fume cupboard. Additionally disclosed is a fume cupboard provided with baffles defining air exit parts, slots or the like, to improve containment. A fume cupboard having a combination of an edge cowling and baffles is also disclosed.

REFERENCES:
patent: 2702505 (1955-02-01), Nelson
patent: 3000292 (1961-09-01), Wojan
patent: 3217630 (1965-11-01), Katzfey et al.
patent: 3218953 (1965-11-01), Grow et al.
patent: 3318227 (1967-05-01), Ne lson et al.
patent: 3340788 (1967-09-01), Landingham
patent: 4134331 (1979-01-01), Behder

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