Seal device for rotary heat-exchanger

Details Seal device for rotary heat-exchanger Seal device for rotary heat-exchanger

1978-05-26

1979-05-15

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 88, 165 9, F16J 1536, F28D 1900

Patent

active

041544498

ABSTRACT:
A seal device for a rotary heat-exchanger of a gas turbine is held in bearing contact with each end face of a regenerative rotor of the heat-exchanger to partition a low-pressure exhaust gas passage and a high-pressure air passage from one another and to seal therebetween. The regenerative rotor is rotated across the passages to effect the heat-exchanger between the low-pressure exhaust gas and the high-pressure air. The seal device comprises a bellows having one end thereof secured to a seal member rotatably supporting the regenerative rotor and the other end secured to a flange fast on the inner wall of the rotor housing, and a jacket substantially backing up the bellows to control the shape thereof.

REFERENCES:
patent: 3157226 (1964-11-01), Atwood
patent: 3323579 (1967-06-01), Brandt et al.
patent: 3692097 (1972-09-01), Penny
patent: 3939903 (1976-02-01), Sakaki et al.
patent: 4098323 (1978-07-01), Wiegard et al.

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