Bullnose step turbine nozzle

Details Bullnose step turbine nozzle Bullnose step turbine nozzle

2007-03-27

2007-03-27

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Means, disposition or arrangement for causing supersonic...

C415S209400

Reexamination Certificate

active

11002570

ABSTRACT:
A turbine airfoil includes opposite pressure and suction sides extending in span from a flowpath surface. The flowpath surface has chordally opposite forward and aft edges and laterally opposite first and second endfaces corresponding with the airfoil pressure and suction sides. The flowpath surface joins the first endface at the forward edge in a forward bullnose and joins the second endface at the aft edge in an aft bullnose, with the bullnoses varying in radius from the opposite edges.

REFERENCES:
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patent: 6579061 (2003-06-01), Heyward et al.
patent: 6672832 (2004-01-01), Leeke et al.
patent: 6783323 (2004-08-01), Shiozaki et al.
patent: 58-162702 (1983-09-01), None

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