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US 3,942,804 AGranted
Turbomachine seal
AssigneeGeneral Electric Company
InventorsOtto G. Andress, Joseph W. Fischetti, Anthony J. Renzi, Francis D. Ryan
Life of this patent
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AssigneeGeneral Electric Company
InventorsOtto G. Andress, Joseph W. Fischetti, Anthony J. Renzi, Francis D. Ryan
Estimating the term…
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.
In a turbomachine having at least two separate sections each section including a rotor portion;
An improved turbomachine of the type having at least two separate sections, each section including a rotor portion therein supported by a bearing element adjacent each section end, a sealing means disposed between adjacent section ends the improvement comprising:
Dependencies are inferred from the claim text.