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. 09, 2019
Filed:
May. 02, 2017
Applicant:
Rolls-royce Corporation, Indianapolis, IN (US);
Inventors:
Michael R. Whitten, Zionsville, IN (US);
Brandon Snyder, Greenwood, IN (US);
Assignee:
ROLLS-ROYCE CORPORATION, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/06 (2006.01); F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/066 (2013.01); F01D 11/001 (2013.01);
Abstract
A rotor stack assembly and method of assembling same. The rotor stack assembly comprises a tie bolt, at least one rotor disk, and a stub shaft. The rotor disk and stub shaft are carried by the tie bolt. The stub shaft is threadably engaged with a threaded end of the tie bolt and comprises a rotatable seal member and an engagement surface for contacting the rotor disk. Engagement of the stub shaft with tie bolt allows for tensioning and pre-loading of the tie bolt to desired levels.