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.

Date of Patent:
Jan. 16, 2018

Filed:

May. 13, 2015
Applicant:

General Electric Company, Schenectady, NY (US);

Inventor:

Mark Gregory Wotzak, Chestnut Hill, MA (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 15/12 (2006.01); F01D 5/02 (2006.01); F01D 11/00 (2006.01); F16B 39/28 (2006.01); F01D 25/16 (2006.01);
U.S. Cl.
CPC ...
F01D 15/12 (2013.01); F01D 5/02 (2013.01); F01D 5/026 (2013.01); F01D 11/003 (2013.01); F01D 25/16 (2013.01); F16B 39/28 (2013.01); F05D 2220/32 (2013.01); F05D 2240/24 (2013.01); F05D 2240/54 (2013.01); F05D 2240/55 (2013.01); F05D 2240/60 (2013.01); F05D 2260/31 (2013.01); F05D 2260/40311 (2013.01);
Abstract

An intershaft integrated seal and lock-nut assembly includes spaced apart forward and aft shafts, forward lock-nut threaded onto aft end of forward shaft, aft lock-nut threaded onto a forward end of aft shaft, and seal ring sealingly engaging and disposed between forward and aft lock-nuts operable to seal annular gap between forward and aft shafts. Seal ring may be disposed in annular ring groove extending radially inwardly into one of forward and aft lock-nuts and annular cylindrical inner surface on other one of lock-nuts operable to seal against seal ring. Seal ring may be carbon seal ring and split. Aft lock-nut may include forwardly extending annular arm having annular cylindrical inner surface. Retention tabbed rings may engage lock-nuts and shafts and snap rings may engage retention tabbed rings and lock-nuts. Seal ring may be in ring groove in aft lock-nut.


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