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:
Sep. 07, 2021
Filed:
Oct. 17, 2019
Rolls-royce Plc, London, GB;
Joseph B Cooper, Bristol, GB;
Katie Phillips, Derby, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
A method of upgrading a modular gas turbine engine, which includes: a first fan module with a fan having plurality of fan blades; a first engine core module including an engine core and a gearbox providing drive to the fan; and a first fan case module with a fan case arranged to enclose the fan blades, the method including: disassembling the gas turbine engine, replacing one of the first fan module, first engine core module or first fan case module with a replacement fan module, a replacement engine core module or a replacement fan case module; and reassembling the gas turbine engine using the replacement module, which is compatible with the others of the first fan module, first engine core module or first fan case module; and the replacement module designed to different parameters to one of the first fan module, first engine core module or first fan case module.