Louver dampers for use in gas turbines exhaust systems and havin

Details Louver dampers for use in gas turbines exhaust systems and havin Louver dampers for use in gas turbines exhaust systems and havin

1989-02-13

1990-06-12

Hepperle, Stephen M.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

F16K 1226

Patent

active

049324373

ABSTRACT:
Louver dampers for use in the exhaust system of gas turbines have flat blades each of which is provided with a lengthwise reinforcement spaced from the major portion of its face which is upstream when the damper is closed and has sides welded thereto adjacent the side margins thereof. Each side of each reinforcement has ports which ensure contact of hot gases with the portions of the blade underlying the reinforcement so that the entire surface of each blade and its reinforcement are uniformly heated preventing blade distortion that would prevent the operation of the damper and destroy the effectiveness of seals in case the damper is equipped therewith.

REFERENCES:
patent: 2328736 (1943-09-01), Mock
patent: 4325411 (1982-04-01), Squirrel
patent: 4335738 (1982-06-01), Nassir
patent: 4821507 (1989-04-01), Bachmann et al.
patent: 4823836 (1989-04-01), Bachmann et al.

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