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:
Jun. 10, 2014
Filed:
May. 18, 2011
Applicants:
Marco Micheli, Schoefflisdorf, CH;
Wolfgang Kappis, Fislisbach, CH;
Inventors:
Marco Micheli, Schoefflisdorf, CH;
Wolfgang Kappis, Fislisbach, CH;
Assignee:
Alstom Technology Ltd., Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure provides an improved first stage airfoil for a compressor blade having a unique chord length (CD) stagger angle (γ) and camber angle (Δβ). The stagger angle (γ) and camber angle (Δβ) provide improved aerodynamics while the chord length (CD) provides for reduced airfoil weight.