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. 08, 2007
Filed:
Dec. 30, 2005
Yoichi Kobori, Nagoya, JP;
Yoichi Kobori, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
An intake air device includes a first intake passage the length of which is fixed; a second intake passage the length of which can be changed, and a downstream-end of which is joined to a downstream-portion of the first intake passage; a first valve the opening degree of which can be changed, and which is provided in the first intake passage; a second valve the opening degree of which can be changed, and which is provided in the second intake passage; and operation means for operating the first valve and the second valve according to the operating state of the internal combustion engine. With this configuration, the cross sectional area perpendicular to the longitudinal direction of at least one intake passage that is used can be appropriately changed according to the operating state of the internal combustion engine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile