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. 20, 2008
Filed:
Jul. 30, 2004
Harufumi Muto, Nishikamo-gun, JP;
Yuji Miyanoo, Seto, JP;
Akira Eiraku, Susono, JP;
Masashi Hakariya, Mishima, JP;
Harufumi Muto, Nishikamo-gun, JP;
Yuji Miyanoo, Seto, JP;
Akira Eiraku, Susono, JP;
Masashi Hakariya, Mishima, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An apparatus and method for controlling the intake air amount in an internal combustion engine provided with a throttle valve and an intake air amount changing means linked with the same, the intake air amount control apparatus and method of an internal combustion engine finding a target intake air amount mcta based on an accelerator opening degree and engine speed (step), determining a target setting Cvta for said intake air amount changing means based on at least said target intake air amount (step), and finding a target throttle opening degree θtta based on model equations creating a model of an engine intake system and expressing the air passing through the engine intake system from said target intake air amount mcta and the target setting Cvta (step).