The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 24, 2012

Filed:

Mar. 28, 2008
Applicants:

Paul Stone, Guelph, CA;

Dinesh Chawla, Mississauga, CA;

Frank Kelly, Oakville, CA;

Edward Fazari, Etobicoke, CA;

Kari Heikurinen, Oakville, CA;

Ignatius Theratil, Mississauga, CA;

Inventors:

Paul Stone, Guelph, CA;

Dinesh Chawla, Mississauga, CA;

Frank Kelly, Oakville, CA;

Edward Fazari, Etobicoke, CA;

Kari Heikurinen, Oakville, CA;

Ignatius Theratil, Mississauga, CA;

Assignee:

Pratt & Whitney Canada Corp., Longueuil, QC, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An airfoil root fillet having a predetermined compound curve profile can be flank milled with a single flank milling cutter having a generally conical flank milling portion and a rounded tip portion defining a compound curve.


Find Patent Forward Citations

Loading…