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:
Dec. 28, 1982
Filed:
Nov. 13, 1979
Applicant:
Inventors:
Assignee:
Volkswagenwerk Aktienbesellschaft, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
415217 ; 415200 ;
Abstract
A ceramic vane ring for a turbine rotor is provided with slits on the inner and outer cylinderical ceramic cover ring holding the vanes. The slits provide radial stress relief and prevent fractures arising out of thermal stresses in the ceramic vane ring.