Trunnion air seal

Details Trunnion air seal Trunnion air seal

1981-10-13

1983-02-08

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

165 8, F28D 1900

Patent

active

043723713

ABSTRACT:
A trunnion sealing means for a rotary regenerative heat exchange apparatus. The sealing means is separated into two independent portions. The first portion is an air seal 34 that lies concentrically around a continuously moving trunnion 32. A supply of pressurized air is supplied thereto to preclude the leakage of fluid from the rotor of the rotary regenerative heat exchange apparatus. A second portion of said seal comprises a spool 56 radially spaced from the trunnion and having walls that are permitted to move relatively only an insignificant amount not sufficient to abrade or otherwise harm a packing material 36 therein.

REFERENCES:
patent: 2666624 (1954-01-01), Flurschutz

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