Damper plate sealing mechanism

Details Damper plate sealing mechanism Damper plate sealing mechanism

F - Mech Eng,Light,Heat,Weapons

16

J

126/84

F16J 15/52 (2006.01) F16J 15/32 (2006.01) F16K 3/02 (2006.01)

Patent

CA 1275882

ABSTRACT OF THE DISCLOSURE In a sealing mechanism for a damper plate for a duct, seal members are made in the form of multi-convoluted sheet metal bellows, which engage each side of the damper plate around the periphery of the duct. When the duct is moved from an open position to a closed position, it slides between the seal elements forcing them apart. When the plate is slid from a closed position to an open position, the spring bias in the bellows members will cause them to expand to engage each other.

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