Shut-off damper

Details Shut-off damper Shut-off damper

1979-08-20

1981-01-13

Nilson, Robert G.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

98121A, F24F 1314

Patent

active

042443970

ABSTRACT:
A shut-off damper having blades of a generally streamlined shape with the trailing edges of the blades comprising fluid sealing means extending along those edges so that a seal is formed between adjacent blades when the blades are in their closed positions.

REFERENCES:
patent: 1872599 (1932-08-01), LeGrand
patent: 2890503 (1959-06-01), Paine
patent: 3281113 (1966-10-01), Ahern
patent: 3630098 (1971-12-01), Oxley
patent: 3771559 (1973-11-01), Alley
patent: 3885347 (1975-05-01), Adachi
patent: 3908529 (1975-09-01), McCabe

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