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. 05, 2009
Filed:
Jun. 28, 2005
Osamu Kuroda, Toyota, JP;
Masashi Ota, Kariya, JP;
Masayoshi Tange, Nagoya, JP;
Sango Co., Ltd., Miyoshi-Cho, JP;
Abstract
A single valve member is provided for selecting communication of one of two flow passages constituting an exhaust flow passage, and continuously providing a flow passage area of the selected one of the two flow passages. According to this valve member, a changeover of flow passage between a main flow passage with an exhaust processing device disposed therein and a bypass flow passage is performed, and each flow passage area is regulated, to meet an output requirement, exhaust processing requirement and muffling requirement, appropriately. For example, a single valve memberis disposed on the upstream side or downstream side of a start catalytic converter, whereby communication of one of a main flow passageand a bypass flow passageis selected, and a flow passage area of the selected passage is continuously provided.