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:
Jun. 10, 2008
Filed:
Feb. 03, 2006
Shigeki Nabetani, Okazaki, JP;
Tomoharu Sakai, Okazaki, JP;
Yoshihiko Tanimura, Kyoto, JP;
Hiroshi Yanagisawa, Anjyo, JP;
Shigeki Nabetani, Okazaki, JP;
Tomoharu Sakai, Okazaki, JP;
Yoshihiko Tanimura, Kyoto, JP;
Hiroshi Yanagisawa, Anjyo, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A structure of a chamber in a combustion engine includes a ring-groove portion formed on the piston, a squish-area making portion formed on a top surface of the piston for a squish-area, an outer edge portion formed around the top surface excepting the squish-area making portion, and a land portion formed around a side surface between the ring-groove portion and the top surface. The land portion includes, a squish-land portion formed between the ring-groove portion and the squish-area making portion, an outer-edge-land portion formed between the ring-groove portion and said outer edge portion, the outer-land portion being smaller than the squish-land portion in height.