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. 22, 2015
Filed:
Nov. 19, 2012
Honda Motor Co., Ltd., Tokyo, JP;
Kinya Fujii, Wako, JP;
Teruo Kobayashi, Wako, JP;
Yuki Ito, Wako, JP;
Shuichi Kitahara, Wako, JP;
Nobuo Suzuki, Wako, JP;
Yuusuke Wada, Wako, JP;
Kaoru Ishii, Wako, JP;
Kan Nakaune, Wako, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
An internal-combustion engine includes a cylinder, a piston, a spark plug, and a fuel injection device. The piston includes a top surface, a guiding protrusion, and a cavity. The cavity is provided at a position closer to the fuel injection device than the guiding protrusion when viewed from above the top surface of the piston. The guiding protrusion includes a guiding surface to guide the fuel mist toward the spark plug when the fuel mist is injected from the fuel injection device at a first predetermined timing in a compression stroke. The cavity includes a guiding wall portion to guide the fuel mist toward the spark plug when the fuel mist is injected from the fuel injection device at a timing in the compression stroke between the first predetermined timing and a second predetermined timing.