Gas turbine engine component having bypass circuit

Details Gas turbine engine component having bypass circuit Gas turbine engine component having bypass circuit

2007-05-01

2007-05-01

Casaregola, L. J. (Department: 3746)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C060S796000

Reexamination Certificate

active

11278701

ABSTRACT:
A gas turbine engine component has an annular flange arm, a backing plate mounted to the flange arm and a bypass circuit formed between the flange arm and the backing plate. The bypass circuit includes one or more channels formed in one of the flange arm or the backing plate. When more than one channels are used, at least one connecting slot is provided between the channels. At least one inlet passage extends through the flange arm in fluid communication with the forward-most channel, and at least one outlet slot is formed between the flange arm and the backing plate in fluid communication with the aft-most channel.

REFERENCES:
patent: 2648520 (1953-08-01), Schmitt
patent: 4157232 (1979-06-01), Bobo et al.
patent: 5984630 (1999-11-01), Di Salle et al.
patent: 6050079 (2000-04-01), Durgin et al.
patent: 6471216 (2002-10-01), Brainch et al.

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