Turbine blade having an extensible tail

Details Turbine blade having an extensible tail Turbine blade having an extensible tail

1999-03-19

2000-10-31

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With means moving working fluid deflecting working member...

416 87, 415914, F01D 500

Patent

active

061392685

ABSTRACT:
A turbine blade having an extensible tail is described. The extensible tail is selectively positionable during engine operation, enabling fine-tuning for maximum power and efficiency during engine operation. During periods of operation exhibiting low Reynolds number flows, the extensible tail is projected out from the trailing edge of the turbine blade, into the gas path. As Reynolds number flows increase, the extensible tail is retracted back into the turbine blade, maximizing turbine engine efficiency.

REFERENCES:
patent: 3721406 (1973-03-01), Hurlbert
patent: 3966352 (1976-06-01), White et al.
patent: 4563970 (1986-01-01), Walker
patent: 5806302 (1998-09-01), Cariola et al.

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