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. 13, 2002
Filed:
Feb. 21, 2001
Applicant:
Inventor:
Achim Zimmermann, Mülheim, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/32 ;
U.S. Cl.
CPC ...
F01D 5/32 ;
Abstract
The blades ( ) of a turbine of axial design are inserted into an undercut blade groove ( ) of the turbine rotor ( ) in a positive-locking manner and are secured by a blade lock. The blade lock comprises a mounting space ( ), which is in connection with the blade groove ( ) and into which a filler piece ( ), which is in positive-locking relationship with the blade foot ( ) of the blades ( ), and a wedge ( ) are inserted. The cross section of the mounting space ( ) receiving the filler piece ( ) is widened conically beginning from the blade groove ( ). The cross section of the filler piece ( ) is adapted to the cross section of the mounting space ( ).