Turbine frame static seal

Details Turbine frame static seal Turbine frame static seal

1995-12-21

1997-01-28

Larson, James

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

415134, 415142, F01D 1100

Patent

active

055972861

ABSTRACT:
A seal is provided between an inner flowpath and inner band of a turbine frame for confining cooling air channeled therebetween. The seal includes a frustoconical seal support and a radially outer seal ring integrally joined to a smaller diameter distal end of the support. A radially inner ring is fixedly joined to the inner band coaxially with the outer ring and is spaced radially inwardly thereof to define a gap therebetween sized for limiting leakage of cooling air from a chamber defined between the seal and inner flowpath.

REFERENCES:
patent: 2744722 (1956-05-01), Orr
patent: 4197702 (1980-04-01), Robertson
patent: 4478551 (1984-10-01), Honeycutt, Jr. et al.
patent: 5272869 (1993-12-01), Dawson et al.

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