Fluid handling – Systems – Dividing into parallel flow paths with recombining
Patent
1983-08-12
1985-05-21
Schwadron, Martin P.
Fluid handling
Systems
Dividing into parallel flow paths with recombining
981212, F24F 1316
Patent
active
045180121
ABSTRACT:
An air damper assembly has a frame which is mounted on the walls of an air flow passageway, with flanges extending inwardly from at least one pair of opposed sides of the frame. A plurality of elongated damper blades have their opposite ends extending into pairs of opposed slots formed by the frame flanges, pivotally supporting the blades on the flanges for pivoting movement between open and closed positions. A pair of retaining stop means are associated with each end of each blade. These retaining stop means project outwardly from opposite sides of the blade and on opposite sides of each of the flanges for limiting pivoting movement of the blade to an open position and for retaining the blade in the respective slots in the flanges. The main body portion of each blade limits pivoting movement of the blade to a closed position by engaging opposite sides of the flanges on which the blade is pivotally supported.
REFERENCES:
patent: 3445863 (1969-05-01), Wada
patent: 3793932 (1974-02-01), Tarnoff
patent: 4113230 (1978-09-01), McCabe
Hepperle Stephen M.
Schwadron Martin P.
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