Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1978-11-13
1980-01-15
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 81R, 165 9, F28D 1900, F16J 1534
Patent
active
041835395
ABSTRACT:
A regenerator seal structure for a rotary regenerator of a gas turbine engine includes a rim bypass seal located on the hot surface of the matrix of the rotating regenerator including a semi-circular platform with a leaf spring on one surface thereof that is engageable with an engine block support platform to seal between the engine block and one surface of the platform with a free end thereof connected to an inboard edge of the platform and being secured thereto by a hinge member and wherein the platform includes a face seal element with its inboard edge located on the outer diameter of the platform at a point isolated from infrared radiation emissions from a combustor located within the engine housing; the platform including a substantial, radially extending semi-circular flat-plate heat exchanger segment thereon that is exposed to hot gas on one side and to cool gas on the opposite side and inboard of low heat conductivity attachment faces on the seal element to reduce conduction of heat from the inboard edge of the platform to the wear surface of the face seal element.
REFERENCES:
patent: 3743008 (1973-07-01), Zeek et al.
patent: 3856077 (1974-12-01), Siegla
patent: 3913926 (1975-10-01), Rao
patent: 3954135 (1976-05-01), Hewlitt
patent: 4056141 (1977-11-01), Sakaki
patent: 4071076 (1978-01-01), Sakaki
French James M.
Thrasher Samuel R.
Evans J. C.
General Motors Corporation
Ward, Jr. Robert S.
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