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:
Oct. 12, 2021
Filed:
Apr. 10, 2019
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Kerry Lighty, Plainfield, IN (US);
Melissa Hughes, Indianapolis, IN (US);
ROLLS-ROYCE CORPORATION, Indianapolis, IN (US);
ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC., Indianapolis, IN (US);
Abstract
A nose cone and fan assembly are disclosed. The fan assembly comprises a fan rotor and a nose cone retention flange. The fan rotor at least partly defines a fan assembly air flow boundary surface. The nose cone retention flange extends from the fan rotor and comprises a retention flange air flow boundary surface adjacent the fan assembly air flow boundary surface and a nose cone mating surface. The nose cone comprises a nose cone flange having a rotor mating surface. The nose cone is affixed to the nose cone retention flange with the rotor mating surface overlaying the nose cone mating surface of the nose cone retention flange.