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. 19, 2011
Filed:
Jun. 12, 2006
Takeshi Ashizawa, Yokohama, JP;
Hiroshi Nomura, Gotenba, JP;
Osamu Tomino, Susono, JP;
Kaoru Maeda, Yokohama, JP;
Keisuke Matsumoto, Yokohama, JP;
Takeo Kushida, Yokohama, JP;
Takeshi Ashizawa, Yokohama, JP;
Hiroshi Nomura, Gotenba, JP;
Osamu Tomino, Susono, JP;
Kaoru Maeda, Yokohama, JP;
Keisuke Matsumoto, Yokohama, JP;
Takeo Kushida, Yokohama, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Bosch Corporation, Toyota, JP;
Abstract
An engine provided with a fuel injector for directly injecting fuel into a cylinder, a spark plug positioning a spark gap in a flight path of fuel injected from the fuel injector, and a cavity formed in a piston top face, wherein at the time of stratified combustion, the fuel injector injects substantially all of the fuel in a direction merging with a tumble flow, swirling in a longitudinal direction along the cavity at the compression stroke, along the swirl direction of the tumble flow and uses the spark plug to ignite the fuel while the fuel at the end period of injection is passing through the spark gap.