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:
Dec. 11, 2012
Filed:
Sep. 16, 2008
Gou Asai, Osaka, JP;
Takeshi Takahashi, Osaka, JP;
Terumitsu Takahata, Osaka, JP;
Takahiko Kimura, Kariya, JP;
Tomoyuki Tsuda, Kariya, JP;
Gou Asai, Osaka, JP;
Takeshi Takahashi, Osaka, JP;
Terumitsu Takahata, Osaka, JP;
Takahiko Kimura, Kariya, JP;
Tomoyuki Tsuda, Kariya, JP;
Yanmar Co., Ltd., Osaka, JP;
Denso Corporation, Aichi, JP;
Abstract
A diesel engine in which a lubrication oil on the wall surface of the cylinder liner is prevented from being burned and diluted, and a smoke resulting from the local lack of air in the combustion chamber is also prevented from being generated. The diesel engine comprises a group injection hole nozzleand a piston. A stephaving a height gradually increased toward the radial outer circumference of the piston is formed over the entire circumference of the top surfaceof the piston. Furthermore, a tilted partis formed as the step surface of the step