Device for changing a fluid passage

Details Device for changing a fluid passage Device for changing a fluid passage

1993-09-21

1995-11-07

Fox, John C.

Ventilation

Having outlet airway

With air pump

454341, F16K 1104

Patent

active

054643708

ABSTRACT:
A device for changing air flow from a room has a casing with three openings arranged in a T-shaped disposition. The first and second openings are arranged in a L-shape with respect to a chamber in the casing, and the third opening connects the chamber to an exhaust passage. A flap is provided, with a side end rotatably supported at a corner between the first opening and the second opening such that the flap can be moved between positions for selectively closing the first or second opening by operation of a mechanism for rotating the flap.

REFERENCES:
patent: 1858024 (1932-05-01), Moore
patent: 2750868 (1956-06-01), Mieczkowski et al.
patent: 3188937 (1965-06-01), Mieczkowski
"Example of Air Conditioning System with Care of Window Opening", IBC'91. 7, No. 65 vol. 12-2, pp. 13-20, Published Jul. 1, 1991.

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