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:
Nov. 09, 1999
Filed:
Apr. 28, 1998
Applicant:
Inventor:
Richard Jon Chevrette, Cohoes, NY (US);
Assignee:
General Electric Co., Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ; B23P / ;
U.S. Cl.
CPC ...
4151745 ; 4151701 ; 4151731 ; 4151735 ; 4151737 ; 415230 ; 2940202 ; 2940203 ; 2940208 ; 2940209 ; 2940211 ; 2940213 ; 2940216 ; 298891 ; 2988921 ;
Abstract
A turbine diaphragm for accommodating a rotor, comprising a diaphragm body having a radially inner bore and an inwardly recessed dovetail groove; a plurality of packing ring segments, each having a dovetail located within the dovetail groove; wherein the dovetail groove includes a hook portion which defines a radial opening into the groove and wherein the hook portion includes surfaces establishing a hook diameter having a center defined by the center of the rotor; and wherein the hook portions are radially outwardly extended by discrete elements installed axially in opposite directions through the diaphragm and projecting into the dovetail groove.