Seal assembly for rotary heat-exchanger

Details Seal assembly for rotary heat-exchanger Seal assembly for rotary heat-exchanger

1978-05-30

1980-07-15

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277184, 277DIG6, 165 9, F16J 1554

Patent

active

042124727

ABSTRACT:
A seal assembly 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 slidably support the regenerative rotor and to seal between a low-pressure gas passage and a high-pressure air passage of the turbine. The regenerative rotor is rotated across the passages to effect the heat-exchange between the low-pressure gas and the high-pressure air. The seal assembly comprises a sliding pad formed of a solid lubricant for sliding and bearing contact with the rotor, and a metallic backing for reinforcing the sliding pad.

REFERENCES:
patent: 2872229 (1959-02-01), Waser
patent: 3341212 (1967-09-01), Bagnard et al.
patent: 3601414 (1971-08-01), Rao
patent: 3633926 (1972-01-01), Hryniszak et al.
patent: 3719226 (1973-03-01), Vallance
patent: 3913926 (1975-10-01), Rao
patent: 3939903 (1976-02-01), Sakaki et al.
patent: 3977465 (1976-08-01), Tank
patent: 4058158 (1977-11-01), Blom et al.
patent: 4098323 (1978-07-01), Wiegard et al.

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