Seal means for a gas turbine engine

Details Seal means for a gas turbine engine Seal means for a gas turbine engine

1979-11-01

1982-03-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Resilient

415139, 415178, F01D 2508

Patent

active

043186688

ABSTRACT:
A seal means for confining cooling air to a cooling air flowpath extending between a case structure and a flowpath for hot working medium gases in a gas turbine engine is disclosed. Various construction details which enable the seal means to block the leakage of cooling air into the working medium flowpath are discussed. The seal means has a center section which expands axially in response to the temperature of the working medium gases to develop a sealing force.

REFERENCES:
patent: 3284048 (1966-11-01), Tumavicus
patent: 3300178 (1967-01-01), Rizk et al.
patent: 3825364 (1974-07-01), Halila et al.
patent: 3825365 (1974-07-01), Peng
patent: 3893786 (1975-07-01), Rahnke et al.
patent: 4150915 (1979-04-01), Karstensen
patent: 4177004 (1979-12-01), Riedmiller et al.
patent: 4184689 (1980-01-01), Brodell et al.

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