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:
Oct. 12, 2010
Filed:
Jul. 14, 2006
Applicants:
Dai Tanaka, Okazaki, JP;
Keisuke Nagakura, Toyota, JP;
Shigeo Yamamoto, Obu, JP;
Inventors:
Assignee:
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spark plug () includes a plug body (), a center electrode (), a ground electrode () and injection control side poles (). The ground electrode has an end portion () opposing the end of the center electrode in a direction indicated by arrow A parallel to the axis of the plug body. A tip () of the ground electrode and a tip () of the injection control side poles () are positioned in substantially the same plane () perpendicular to the axis (C). The ground electrode () and the injection control side poles () are arranged at substantially regular intervals around the center electrode ().