Heat exchange – Regenerator – Checker brick structure
Patent
1974-10-15
1976-05-18
Croyle, Carlton R.
Heat exchange
Regenerator
Checker brick structure
60 3951H, F23L 1502, F02C 710
Patent
active
039571068
ABSTRACT:
Fixed seal means partition a disc type rotary regenerator for an automotive gas turbine engine into an inlet air heating section for conducting cool high pressure inlet air therethrough in one axial direction and an exhaust cooling section for conducting hot low pressure exhaust gas therethrough in the opposite axial direction. The seal means comprises a non-rotatable rubbing seal having an inner surface in sliding sealing engagement with an axial end surface of the regenerator and also comprises a channel shaped non-rotatable static seal having one channel side in sliding sealing engagement with a movement limiting stop fixed with respect to an outer surface of the rubbing seal at the low pressure side thereof and having a second channel side in sliding sealing engagement with a fixed housing portion of the engine. The channel sides of the static seal are spaced by a channel mouth opening toward the high pressure side of the seal, whereby the pressure differential across the seal urges the rubbing seal and the channel sides of the static seal into their aforesaid sliding sealing engagements. The movement limiting stop limits the movement of the static seal in the direction toward the low pressure side of the seal and cooperates with conventional pressure balancing grooves in said inner surface of the rubbing seal to effect a predetermined accurately controlled light pressure induced clamping force urging the rubbing seal into its sliding sealing engagement with the aforesaid axial end surface of the regenerator.
REFERENCES:
patent: 3234999 (1966-02-01), Atwood
patent: 3351127 (1967-11-01), Mendelsohn
patent: 3401740 (1968-09-01), Trudeau
patent: 3692097 (1972-09-01), Penny
patent: 3719226 (1973-03-01), Vallance
patent: 3780791 (1973-12-01), Barnard
patent: 3856077 (1974-12-01), Siegla
Casaregola L. J.
Chrysler Corporation
Croyle Carlton R.
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