Steam turbine and rotating blade

Details Steam turbine and rotating blade Steam turbine and rotating blade

2007-07-16

2011-10-18

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

C416S248000

Reexamination Certificate

active

08038404

ABSTRACT:
A blade mountable to a disc comprises a blade platform and a blade root extending from the blade platform. The blade root comprises first, second, and third hooks and first, second and third necks. Each hook comprises a contact surface and a non-contact surface, and an angle between each contact surface and each non-contact surface is optimized to reduce local and average stresses.

REFERENCES:
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patent: 5480285 (1996-01-01), Patel et al.
patent: 5554005 (1996-09-01), Nguyen
patent: 6575700 (2003-06-01), Arai et al.
patent: 7794208 (2010-09-01), Suzuki et al.

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