Oil seal for gas turbine

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277 70, 277192, F16J 1548

Patent

active

055824137

ABSTRACT:
In a rotor bearing housing comprised of split half sections (10) and adapted to be joined at horizontal joining surfaces (12) of the half sections, and wherein each half section includes a bearing recess flanked on either side thereof by a seal recess (16, 18); and a pair of annular bearing seals (24), each comprising a pair of half segments (26, 28), each segment adapted to be received in a respective seal recess in a split half sections of the housing, each segment having a pair of substantially horizontal interface surfaces (30, 32) at diametrically opposite sides thereof, the improvement comprising a groove (46) formed in each interface surface (30, 32), extending across a radial thickness dimension of the segment, such that opposing grooves in opposing interface surfaces combine to form a pair of oil channels in each annular bearing seal.

REFERENCES:
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patent: 3788652 (1974-01-01), Hirtz et al.
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patent: 4575098 (1986-03-01), Escue
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patent: 4928978 (1990-05-01), Shaffer et al.
patent: 5009522 (1991-04-01), Hahn
patent: 5072880 (1991-12-01), McCloud
patent: 5190440 (1993-03-01), Maier et al.
patent: 5403019 (1995-04-01), Marshall

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