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. 20, 1984
Filed:
Nov. 12, 1982
Applicant:
Inventor:
Walter A Ledwith, North Palm Beach, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21K / ; B23P / ; B23P / ;
U.S. Cl.
CPC ...
2915 / ; 29445 ; 29DI / ; 29DI / ; 228113 ; 4161 / ; 4162 / ; 4162 / ; 4162 / ;
Abstract
A one-piece cylindrical drum of a drum rotor has a plurality of enlarged, axially spaced-apart, annular rim portions through which axial blade root slots are machined. The slots are curved along their length about an axis located radially outwardly of the rim. The rotor is preferably made from a plurality of bonded together cylinder-like sections. After bonding the sections together the curved blade root slots are machined using a circular broach.