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:
Aug. 03, 1993
Filed:
Jun. 26, 1992
Applicant:
Inventors:
Hermann Baer, Waldshut, DE;
Hans Meyer, Fislisbach, CH;
Ui-Liem Nguyen, Neuenhof, CH;
Peter Novacek, Gebenstorf, CH;
Paul Slepcevic, Nussbaumen, CH;
Assignee:
Asea Brown Boveri Ltd., Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415119 ; 4161 / ;
Abstract
In a drum rotor for an axial flow turbomachine, the blades are fastened via their roots (22) in circumferential blade grooves (1-13) with support indentations at the side. A circumferential forward groove (0), which is not fitted with blades, is located upstream of the first blade groove (1). This forward groove (0) is fitted with axially split closing segments (24).