Low cooling flow turbine blade

Details Low cooling flow turbine blade Low cooling flow turbine blade

2011-06-28

2011-06-28

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

C416S224000, C416S232000

Reexamination Certificate

active

07967565

ABSTRACT:
A turbine rotor blade made from a spar and a shell each having an airfoil cross sectional shape and each formed from a high temperature exotic material and formed by a wire EDM process to form a thin wall shell from Molybdenum and the spar from Waspalloy or IN100 in order to form a turbine blade that requires very low amounts of cooling air while allowing for high temperature use above what nickel super alloys can be exposed to. The spar and shell are secured to the platform by a bolt passing through the widest section of the hollow spar and connected at one end to a tip cap and to the other end to the platform and root piece of the blade.

REFERENCES:
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patent: 3846041 (1974-11-01), Albani
patent: 4790721 (1988-12-01), Morris et al.
patent: 7789621 (2010-09-01), Dierksmeier et al.
patent: 2006/0120869 (2006-06-01), Wilson et al.
patent: 2008/0310965 (2008-12-01), Gerakis et al.
patent: 2009/0202355 (2009-08-01), Dierksmeier et al.
patent: 2010/0080687 (2010-04-01), Vance

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