Gasketless air damper

Details Gasketless air damper Gasketless air damper

F - Mech Eng,Light,Heat,Weapons

16

K

98/18

F16K 31/04 (2006.01) F16K 1/22 (2006.01) F16K 1/226 (2006.01)

Patent

CA 1277536

Title GASKETLESS AIR DAMPER Abstract A gasketless air damper includes a cylindrical sleeve having an inwardly protruding integral seal ridge. A circular blade damper disposed for rotation in the sleeve has integral oppositely oriented edge seals that aerodynamically interact with airflow through the damper and which, in a closed position, provide for a eight gasketless seal between the damper blade and the seal ridge integrally formed in the damper sleeve.

609816

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