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. 20, 2018
Filed:
May. 18, 2015
Snecma, Paris, FR;
Pascal Casaliggi, Moissy-Cramayel, FR;
Remi Bourion, Moissy-Cramayel, FR;
Thierry Capolungo, Moissy-Cramayel, FR;
SNECMA, Paris, FR;
Abstract
A rotor disc () for a turbomachine, including a radial flange () that includes a plurality of fastening holes (), and a plurality of scallops () forming notches in the flange (), and being separated by inter-scallop flange portions (). The flange alternatively has, in its circumferential direction: a fastening hole () and an inter-scallop flange portion () arranged in the radial extension of the fastening hole (), and a scallop (), in such a way that one or more of the scallops (--) has a volume greater than the volume of each of the other scallops (--), and one or more of the inter-scallop flange portions () has a volume less than the volume of each of the other inter-scallop flange portions (), in order to balance said disc (). A turbomachine including that rotor disc and a method for balancing a turbomachine rotor disc are also disclosed.