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:
Aug. 27, 2013
Filed:
Mar. 08, 2010
Fumito Chiba, Susono, JP;
Mamoru Yoshioka, Susono, JP;
Takahiro Tsukagoshi, Susono, JP;
Ryota Onoe, Susono, JP;
Fumito Chiba, Susono, JP;
Mamoru Yoshioka, Susono, JP;
Takahiro Tsukagoshi, Susono, JP;
Ryota Onoe, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
The fuel injection apparatus includes: a fuel injector having a leading end that has an internal space in which fuel is accumulated and has a fuel injection port; and an adsorbent, capable of selectively adsorbing an alcohol component in a blended fuel of gasoline and alcohol, disposed in the internal space. The fuel injection apparatus controls an injection amount from the fuel injector such that an air-fuel ratio is a controlled target air-fuel ratio based on an alcohol concentration of a blended fuel supplied to the fuel injector. In this fuel injection apparatus, a fuel pressure is brought to a predetermined high fuel pressure during cold starting of the internal combustion engine. At this time, an adsorbed amount of alcohol on the adsorbent is estimated and any deviation in the air-fuel ratio of the internal combustion engine is corrected based on the adsorbed amount of alcohol.