Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1995-10-27
1997-05-27
DePumpo, Daniel G.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 15, 277 29, 415112, 4151682, F16T 1516
Patent
active
056324928
ABSTRACT:
A sealing configuration for a passage through a stationary casing having a shaft leading through the passage and an inner space being enclosed by the stationary casing for receiving a fluid and from which the shaft emerges, includes at least one vapor chamber surrounding the shaft, having two sides and being open to the surroundings. Seals are disposed adjacent the vapor chamber on both of the sides along an axis of the shaft for admitting the fluid to the vapor chamber through at least one of the seals. A suction device is connected to the vapor chamber. A method for operating the sealing configuration includes extracting the fluid from the vapor chamber with the suction device, except for a residual quantity of the fluid being led away to the surroundings.
REFERENCES:
patent: 3503618 (1970-03-01), Real
patent: 4044561 (1977-08-01), Hohn
patent: 4193603 (1980-03-01), Sood
patent: 5454689 (1995-10-01), Falarigna
"Thermische Turbomaschinen" Publ. by W. Trauper, Berlin 1977, vol. 1, Chapter 10, pp. 555-575.
Friebe Detlef
Lehmann Wolfgang
DePumpo Daniel G.
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
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