Damper assembly for closing a duct for hot gases

Details Damper assembly for closing a duct for hot gases Damper assembly for closing a duct for hot gases

1976-04-21

1977-05-10

Nilson, Robert G.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

98110, F24F 1314, F23L 1308

Patent

active

040222462

ABSTRACT:
A damper assembly for closing a duct carrying hot gases. The assembly comprises a damper frame mountable in the duct, a plurality of damper blades supported by parallel blade shafts rotatably mounted in the frame, the shafts having shaft ends projecting from the frame at least one side thereof, blade operating arms secured to the projecting blade shaft ends, and linkage means operatively coupling the blade arms to each other and to an actuating device for opening and closing the damper.

REFERENCES:
patent: 3426507 (1969-02-01), Kossowski
patent: 3604458 (1971-09-01), Silvey

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