Regenerator cross arm seal assembly

Details Regenerator cross arm seal assembly Regenerator cross arm seal assembly

1981-10-15

1988-01-26

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

With exhaust treatment

165 9, F02C 1105, F02G 1005, F02G 3005

Patent

active

047209690

ABSTRACT:
A seal assembly for disposition between a cross arm on a gas turbine engine block and a regenerator disc, the seal assembly including a platform coextensive with the cross arm, a seal and wear layer sealingly and slidingly engaging the regenerator disc, a porous and compliant support layer between the platform and the seal and wear layer porous enough to permit flow of cooling air therethrough and compliant to accommodate relative thermal growth and distortion, a dike between the seal and wear layer and the platform for preventing cross flow through the support layer between engine exhaust and pressurized air passages, and air diversion passages for directing unregenerated pressurized air through the support layer to cool the seal and wear layer and then back into the flow of regenerated pressurized air.

REFERENCES:
patent: 3401740 (1968-09-01), Trudeau
patent: 3542122 (1970-11-01), Bracken, Jr.
patent: 3601414 (1971-08-01), Rao
patent: 3913926 (1975-10-01), Rao
patent: 3954135 (1976-05-01), Hewlitt
patent: 4079780 (1978-03-01), Tank

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