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:
Dec. 16, 2014
Filed:
Dec. 02, 2011
Applicants:
Michael Delapierre, Paris, FR;
Patrick Jean-louis Reghezza, Vaux le Penil, FR;
Inventors:
Michael Delapierre, Paris, FR;
Patrick Jean-Louis Reghezza, Vaux le Penil, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/00 (2006.01); F04D 29/26 (2006.01); F01D 5/06 (2006.01); F01D 5/32 (2006.01);
U.S. Cl.
CPC ...
F04D 29/266 (2013.01); F01D 5/066 (2013.01); F01D 5/326 (2013.01); F05D 2220/36 (2013.01); F05D 2260/30 (2013.01); Y02T 50/672 (2013.01); Y02T 50/673 (2013.01);
Abstract
A turbomachine rotor including a disk with a rim and axial cavities machined into the rim to individually house blades; and an annulus attached to one side of the rim and pierced with stress-relief holes, in which part of the stress-relief holes are situated in the axial continuation of the cavities, is disclosed. An annular shim is attached and interposed between the disk and the annulus, the shim forming a removable device for closing off the holes and an axial bearing surface against which the blades housed in the cavities can bear.