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:
Aug. 16, 2011
Filed:
Nov. 06, 2008
Yasushi Nakahara, Hiroshima, JP;
Hidesaku Ebesu, Hiroshima, JP;
Tsuyoshi Yamamoto, Hiroshima, JP;
Keiichi Tateishi, Hiroshima, JP;
Yasushi Nakahara, Hiroshima, JP;
Hidesaku Ebesu, Hiroshima, JP;
Tsuyoshi Yamamoto, Hiroshima, JP;
Keiichi Tateishi, Hiroshima, JP;
Mazda Motor Corporation, , JP;
Abstract
Disclosed is an upper structure of an engine having three or more cylinders arranged in a row. A first one of a pair of adjacent cylinders among at least three of the cylinders serially arranged in a cylinder row direction is provided with a second spark plug at a position on an opposite side of a second one of the pair of adjacent cylinders, and the second one of the pair of adjacent cylinders is provided with a second spark plug at a position on an opposite side of the first one of the pair of adjacent cylinders. The present invention can provide enhanced flexibility in design of a head cover of the engine.