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. 05, 2005
Filed:
Aug. 28, 2003
Applicants:
Akiyuki Yonekawa, Saitama, JP;
Ayako Saito, Saitama, JP;
Naohiro Ishikawa, Saitama, JP;
Tohru Ohta, Saitama, JP;
Seiji Mori, Saitama, JP;
Inventors:
Akiyuki Yonekawa, Saitama, JP;
Ayako Saito, Saitama, JP;
Naohiro Ishikawa, Saitama, JP;
Tohru Ohta, Saitama, JP;
Seiji Mori, Saitama, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02B023/00 ;
U.S. Cl.
CPC ...
Abstract
There are provided on an upper surface of a pistonwhich confronts to a combustion chamber two first squish areas Aeach containing a flat surfaceextending along an outer circumferential portion the pistonin an arc-like fashion and two second squish areas Aformed between valve recessesof respective pairs of inlet and exhaust valvesand each containing a protruding portion which protrudes upwardly.