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:
Jan. 12, 1993
Filed:
Jan. 15, 1991
Applicant:
Inventors:
Kiyonori Kawasaki, Kani, JP;
Masahiro Fujiyama, Yokkaichi, JP;
Hiroyuki Kawase, Nagoya, JP;
Koji Kato, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4162 / ; 4152161 ;
Abstract
A ceramic turbo charger rotor having a blade portion including a shroud tip portion and a top portion, a back plate portion arranged rear of the blade portion, and a shaft portion arranged to the back plate portion is manufactured by working only a part of a back plate portion as a standard surface or by working only a top surface of the tip portion as a standard surface while no working is applied for the back plate portion, so as to reduce a total manufacturing cost.