Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1974-11-18
1976-03-09
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
415170R, F16J 1538, F16J 1548
Patent
active
039428044
ABSTRACT:
In a turbomachine of the type having several sections wherein each section includes a separate hood or casing having a rotor portion therein supported by bearings at each end of the stage or hood, there is provided a stationary to stationary annular seal between adjacent hood ends. The seal comprises an annular wrapper spaced radially outwardly from the turbomachine rotor and a first annular sealing element extending radially inwardly and terminating at a free end at the annular wrapper outer surface in a sliding interference fit. The annular wrapper is attached to one adjacent hood end whereas the first sealing element is attached to the other adjacent hood end and the seal construction accommodates differential thermal movement of the turbomachine stage hoods.
REFERENCES:
patent: 1982729 (1934-12-01), Eberhard
patent: 3360274 (1967-12-01), Grant
patent: 3396975 (1968-08-01), Otto
patent: 3791657 (1974-02-01), Bilski
patent: 3801111 (1974-04-01), Messenger
Andress Otto G.
Fischetti Joseph W.
Renzi Anthony J.
Ryan Francis D.
Ahern John F.
General Electric Co.
Mitchell James W.
Smith Robert I.
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