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:
Apr. 13, 2021
Filed:
Apr. 25, 2018
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Sylvain Frederic Avakian, Melun, FR;
Arnaud Jacques Jean Gascq, Paris, FR;
Felipe Winston Gomez Moyano, Maisons Alfort, FR;
Damien Bernard Emeric Guegan, Fontainebleau, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 17/12 (2006.01); F04D 29/22 (2006.01); F02C 3/08 (2006.01);
U.S. Cl.
CPC ...
F04D 29/286 (2013.01); F02C 3/08 (2013.01); F04D 17/12 (2013.01); F04D 29/2216 (2013.01); F04D 29/284 (2013.01); F05D 2220/3216 (2013.01); F05D 2220/3219 (2013.01); F05D 2230/10 (2013.01); F05D 2250/291 (2013.01); F05D 2250/60 (2013.01); F05D 2260/15 (2013.01); F05D 2260/941 (2013.01);
Abstract
A centrifugal impeller having an axis of rotation extending from front to rear, and including a body extending around the axis of rotation, the body having a front portion and a rear portion of larger section than the front portion, the impeller also have blades projecting from a front face of the body, the body presenting a setback in its front face between two consecutive blades, which setback is situated at a circumferential distance from the two blades.