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:
Jul. 30, 2024
Filed:
Oct. 07, 2020
Applicant:
Rolls-royce Deutschland Ltd & CO KG, Blankenfelde-Mahlow, DE;
Inventors:
Michael Gräber, Berlin, DE;
Greg Blake, Berlin, DE;
Assignee:
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG, Blankenfelde-Mahlow, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F16C 17/02 (2006.01); F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F16C 17/02 (2013.01); F16H 57/08 (2013.01); F05D 2260/40311 (2013.01); F16C 2360/23 (2013.01); F16C 2361/61 (2013.01); F16H 2057/085 (2013.01);
Abstract
The invention relates to a planetary gearbox in a gas turbine engine wherein a plurality of planetary gears are each mounted on a planetary gear bearing journal by a slide bearing, characterized in that a bushing is arranged in an inner bore of at least one planetary gear, which bushing spatially separates the sliding surface of the slide bearing from the inner bore of the planetary gear and the bushing is designed as a replacement part, in particular as a sacrificial part. The invention also relates to a gas turbine engine.