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:
Apr. 06, 2010
Filed:
Jan. 06, 2005
Dai Tanaka, Okazaki, JP;
Keisuke Nagakura, Toyota, JP;
Koji Hata, Okazaki, JP;
Joji Matsubara, Seto, JP;
Shigeo Yamamoto, Obu, JP;
Dai Tanaka, Okazaki, JP;
Keisuke Nagakura, Toyota, JP;
Koji Hata, Okazaki, JP;
Joji Matsubara, Seto, JP;
Shigeo Yamamoto, Obu, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
In the top face of a piston (), there is formed a cavity () having a bottom surface () which slopes downward toward an exhaust side and which includes a raised part () extending from near the center of the bottom surface to an intake-side wall surface. The cavity guides fuel spray () which has been injected by an injector () and passed by an electrode part () of a spark plug (), to arrive near the electrode part of the spark plug again in the form of an air-fuel mixture ().