Fume hood with air foil member

Details Fume hood with air foil member Fume hood with air foil member

1995-01-20

1996-09-17

Joyce, Harold

Ventilation

Workstation ventilator

Covered workbench chamber

312209, 312229, B08B 1502

Patent

active

055563317

ABSTRACT:
A fume hood includes a base, sidewalls and a cover that define an enclosed work space, a work surface, at least one trough, and an access opening. The fume hood also includes a moveable sash for closing the opening and an air foil disposed proximate an edge portion of the opening to direct air flow through the opening and into the work space. This air foil includes a flat portion with a surface that normally lies flush with the work surface of the fume hood.

REFERENCES:
patent: 2702505 (1955-02-01), Nelson
patent: 3874754 (1975-04-01), Saunders et al.
patent: 4023473 (1977-05-01), Russell
patent: 4280400 (1981-07-01), Longworth
patent: 4409890 (1983-10-01), Longworth

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