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. 20, 2017
Filed:
May. 14, 2012
Applicants:
Mathieu Herran, Pau, FR;
Laurent Pierre Tarnowski, Pau, FR;
Inventors:
Mathieu Herran, Pau, FR;
Laurent Pierre Tarnowski, Pau, FR;
Assignee:
TURBOMECA, Bordes, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/30 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); F04D 29/28 (2013.01); F04D 29/288 (2013.01); F04D 29/30 (2013.01); F04D 29/44 (2013.01); F04D 29/441 (2013.01); F05D 2250/52 (2013.01);
Abstract
An impeller of a centrifugal compressor, the impeller including a web and blades secured to the web on a front face of the web. A point of intersection between a trailing edge and a blade root is at least one half-thickness of the web further forward than the blade root at an intermediate diameter of the impeller, and a point of intersection between the trailing edge and the blade tip is also further forward than the blade tip at an intermediate diameter of the impeller.