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:
May. 05, 1998
Filed:
May. 22, 1997
Osamu Takii, Sakai, JP;
Shuichi Yamada, Sakai, JP;
Akinori Muraoka, Sakai, JP;
Kiyoshi Hataura, Sakai, JP;
Atsushi Yamaguchi, Sakai, JP;
Hideo Hasegawa, Sakai, JP;
Manabu Miyazaki, Sakai, JP;
Hideya Miyazaki, Sakai, JP;
Kubota Corporation, Osaka, JP;
Abstract
In a divided combustion chamber for diesel engine, a main combustion chamber (2) communicates with a sub-chamber (5) through a communication hole (6), the communication hole (6) being composed of a main communication hole (7) and sub communication holes (8), a pair of sub communication holes (8),(8) being provided in the shape of grooves in opposite right and left peripheral surface portions of the main communication hole (7). Provided at boundaries between a peripheral surface of the main communication hole (7) and peripheral surfaces of the sub communications holes (8),(8) are auxiliary communication grooves (9),(9) smaller than the sub communication holes (8),(8) in width.