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. 30, 2007
Filed:
Aug. 12, 2004
Applicants:
Peter Broadhead, Derby, GB;
John Hoptroff, Derby, GB;
Inventors:
Peter Broadhead, Derby, GB;
John Hoptroff, Derby, GB;
Assignee:
Rolls-Royce plc, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retaining arrangement for joining together two components such as a rim coverplateand a rotor discin a gas turbine engine. The arrangement comprising a channelformed by respective formationson the discand coverplate, which channellocates one or more annular ring memberwhich prevents relative axial movement therebetween. Engageable abutment formationsare provided respectively on the discand coverplate, to prevent relative pivotal movement.