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:
Sep. 24, 2002
Filed:
Oct. 11, 2000
Applicant:
Inventors:
Takeshi Watanabe, Yasugi, JP;
Toshimichi Matsukawa, Tokyo, JP;
Assignee:
HMY Ltd., Shimane, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 1/716 ;
U.S. Cl.
CPC ...
F01D 1/716 ;
Abstract
Disclosed is a producing method of an exhaust gas vane blade for superchargers of motor vehicles. The vane blade consists of a pivot part and a blade part with a streamlined section, which are integrally formed with each other. The vane blade is made of a heat resisting steel. The diameter of the pivot part is larger than the thickness of the blade part. The method comprises a multi-step cold-forging of a blank material of the above steel.