Fan blade interplatform seal

Details Fan blade interplatform seal Fan blade interplatform seal

1997-04-24

1998-10-13

Kwon, John T.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

415138, 4151701, F01D 2526

Patent

active

058203389

ABSTRACT:
The present invention relates to a seal interposed between platforms of blades for a fan in an axial gas turbine engine. Modern impact resistant fan blades have larger interplatform gaps. As a result, the interplatform seals have to seal a large gap. The seal is stiffened such that it can withstand centrifugal forces due to fan operation. In addition, various construction derails are developed for the stiffened seal.

REFERENCES:
patent: 4326835 (1982-04-01), Wertz
patent: 4422827 (1983-12-01), Buxe et al.
patent: 4505642 (1985-03-01), Hill
patent: 5421704 (1995-06-01), Carletti et al.
patent: 5513955 (1996-05-01), Barcza

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