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:
Jun. 07, 2005
Filed:
Jun. 03, 2003
Takamitsu Asanuma, Susono, JP;
Toshiaki Tanaka, Numazu, JP;
Shinya Hirota, Susono, JP;
Takanori Ueda, Susono, JP;
Tetsuya Yamashita, Gotenba, JP;
Yasuaki Nakano, Sunto-gun, JP;
Takamitsu Asanuma, Susono, JP;
Toshiaki Tanaka, Numazu, JP;
Shinya Hirota, Susono, JP;
Takanori Ueda, Susono, JP;
Tetsuya Yamashita, Gotenba, JP;
Yasuaki Nakano, Sunto-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An exhaust gas collecting apparatus, of an internal combustion engine including a collection vessel that can hold exhaust gas, an exhaust gas taking-out passage through which exhaust gas is introduced from an exhaust passage to the collection vessel, an exhaust gas introduction passage through which the exhaust gas is introduced from the collection vessel to the exhaust passage at a position upstream from the catalytic converter, a first valve that is switchable between a position where the introduction of the exhaust gas from the exhaust passage to the exhaust gas taking-out passage is permitted and a position where the introduction of the exhaust gas is prevented, and a second valve that is switchable between a position where the introduction of the exhaust gas through the exhaust gas introduction passage is permitted and a position where the introduction of the exhaust gas is prevented.