Turbomachine seal

Details Turbomachine seal Turbomachine seal

F - Mech Eng,Light,Heat,Weapons

02

C

277/11, 170/60

F02C 7/28 (2006.01) F01D 11/00 (2006.01)

Patent

CA 1037869

ABSTRACT OF THE DISCLOSURE 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 annular seal between adjacent hood ends. The seal com- prises 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 inter- ference 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 turbo- machine stage hoods.

238803

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