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:
Nov. 01, 2011
Filed:
Feb. 05, 2009
Toru Nakamura, Aichi, JP;
Yuichi Yamada, Aichi, JP;
Iwao Kunitomo, Kiyosu, JP;
Yoshikuni Sato, Nagoya, JP;
Daisuke Nakano, Hekinan, JP;
Toru Nakamura, Aichi, JP;
Yuichi Yamada, Aichi, JP;
Iwao Kunitomo, Kiyosu, JP;
Yoshikuni Sato, Nagoya, JP;
Daisuke Nakano, Hekinan, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A plasma jet ignition plug capable of inhibiting occurrence of channeling while reducing removal of energy of plasma through a ground electrode at the time of emission of plasma. A ground electrode of a plasma jet ignition plug projects inward from a front end face of a metallic shell toward an opening end of a cavity which is open at a front end face of an insulator. A projecting distal end which forms a spark discharge gap between the same and a center electrode within a cavity is located inward, with respect to a diametral direction P orthogonal to an axis O, of a position which is located 0.5 mm radially outward from the opening end of the cavity.