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:
May. 07, 2002
Filed:
Dec. 08, 1999
Applicant:
Inventors:
Takehiro Kobayashi, Tokyo, JP;
Shigeru Shiroyama, Tokyo, JP;
Akira Kuragaki, Tokyo, JP;
Koichiro Kamei, Tokyo, JP;
Hidekazu Katayama, Tokyo, JP;
Masahiko Tsukahara, Tokyo, JP;
Tadanori Yamaguchi, Tokyo, JP;
Jiro Hirao, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02N 1/100 ;
U.S. Cl.
CPC ...
F02N 1/100 ;
Abstract
To prevent an attracting force to the plunger from becoming insufficient, at least one of an output shaft and a thrust spline is formed from magnetic material having a lower relative permeability than iron.