Fluid reaction surfaces (i.e. – impellers) – Method of operation
Reexamination Certificate
2007-05-01
2007-05-01
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Method of operation
C416S09700R
Reexamination Certificate
active
10914185
ABSTRACT:
An internally cooled airfoil for a gas turbine engine and a method of cooling in which at least two substantially parallel passages are in fluid communication with an exit plenum and adapted to reduce stagnation and improve strength, particularly in wide chord blades.
REFERENCES:
patent: 3017159 (1962-01-01), Foster et al.
patent: 3807892 (1974-04-01), Frei et al.
patent: 3885609 (1975-05-01), Frei et al.
patent: 3989412 (1976-11-01), Mukherjee
patent: 4019831 (1977-04-01), Franklin et al.
patent: 4616976 (1986-10-01), Lings et al.
patent: 4767261 (1988-08-01), Godfrey et al.
patent: 5052889 (1991-10-01), Abdel-Messeh
patent: 5462405 (1995-10-01), Hoff et al.
patent: 5464322 (1995-11-01), Cunha et al.
patent: 5599166 (1997-02-01), Deptowicz et al.
patent: 5601399 (1997-02-01), Okpara et al.
patent: 5772397 (1998-06-01), Morris et al.
patent: 5857837 (1999-01-01), Zelesky et al.
patent: 5975851 (1999-11-01), Liang
patent: 6234753 (2001-05-01), Lee
patent: 6406260 (2002-06-01), Trindade et al.
patent: 6631561 (2003-10-01), Anding et al.
patent: 6835046 (2004-12-01), Strassberger et al.
patent: 2003/0133795 (2003-07-01), Manning et al.
patent: WO01/98634 (2001-12-01), None
Look Edward K.
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
Wiehe Nathan
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