Air seal between relatively moveable ducts

Details Air seal between relatively moveable ducts Air seal between relatively moveable ducts

1981-04-02

1986-12-09

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 97, 277236, F16J 1508, F16J 1552

Patent

active

046276254

ABSTRACT:
A seal for interconnecting a vibrating plenum chamber to a stationary air duct for air flow communication therebetween. The chamber defines an inlet duct bounded by an upstream facing annular sealing surface. A baffle member is attached to, and encircles, the adjacent end of the stationary air duct. The baffle member comprises a pair of outwardly converging annular sides sealingly joined at their outer radius, with the innermost annular portion of one side attached to the stationary air duct and the innermost annular portion of the other side attached to a sealing member defining an annular surface slidingly engaging the upstream facing annular sealing surface on the inlet duct.

REFERENCES:
patent: 1033681 (1912-07-01), Drager
patent: 3034796 (1962-05-01), Wilk
patent: 3445119 (1969-05-01), Andresen et al.
patent: 3767212 (1973-10-01), Ludwig
patent: 4291887 (1981-09-01), Frosch
patent: 4383693 (1983-05-01), Heller

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