Gas turbine rotor

Details Gas turbine rotor Gas turbine rotor

1997-05-22

1999-02-02

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

416201R, 415135, 415136, 4151701, 4151742, 277643, 277649, F01D 506

Patent

active

058656006

ABSTRACT:
A baffle plate (12A) is constructed such that two belt-like elements, bent in a warped arc, are joined by spot welding (13) or brazing (14) at a central portion thereof along a central circumferential portion. Thus, even if there is a difference in a radial directional deflection of grooves (11) between adjacent discs (9), the baffle plate (12A) will maintain close contact with the inner surfaces of the grooves (11) due to a spring effect and gas leakage is thereby prevented.

REFERENCES:
patent: 2898000 (1959-08-01), Hanny
patent: 3542380 (1970-11-01), Klein et al.
patent: 3745628 (1973-07-01), Stahl
patent: 3801220 (1974-04-01), Beckershoff
patent: 3975114 (1976-08-01), Kalkbrenner
U.S. Application No. 08/862,135, Masahiko Mori et al., filed May 22, 1997.
U.S. Application No. 08/862181, Masanori Yuri et al., filed May 22, 1997.
U.S. Application No. 08/861,517, Eiji Akita et al., filed May 22, 1987.
U.S. Application No. 08/861,539, Kenichiro Takeishi et al., filed May 22, 1997.
U.S. Application No. 08/861,753, Yasuoka Tomita et al., filed May 22, 1997.
U.S. Application No. 08/861,518, Yukihiro Hashimoto, filed May 22, 1997.

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