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.
Patent No.:
Date of Patent:
Mar. 03, 2020
Filed:
Jun. 29, 2017
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Connor Marie Shirley, Cincinnati, OH (US);
Harjit Singh Hura, Cincinnati, OH (US);
Paul Hadley Vitt, Liberty Township, OH (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F04D 29/54 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 9/041 (2013.01); F01D 5/143 (2013.01); F04D 29/544 (2013.01); F05D 2220/32 (2013.01); F05D 2240/121 (2013.01); F05D 2240/122 (2013.01); F05D 2240/123 (2013.01); F05D 2240/124 (2013.01); F05D 2240/305 (2013.01); F05D 2240/306 (2013.01); F05D 2240/80 (2013.01); F05D 2250/20 (2013.01); F05D 2250/611 (2013.01);
Abstract
A stage for a compressor or a turbine in a turbine engine can include an annular row of airfoils radially extending from corresponding platforms, where each platform can include a fore edge and aft edge and each airfoil can include a leading edge and trailing edge. At least one of the platforms can have a scalloped flow surface including a bulge and a trough.