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:
Apr. 24, 2012
Filed:
Jan. 17, 2008
Hiroshi Otsuki, Susono, JP;
Takamitsu Asanuma, Mishima, JP;
Kohei Yoshida, Gotenba, JP;
Hiromasa Nishioka, Susono, JP;
Shinya Hirota, Susono, JP;
Kotaro Hayashi, Mishima, JP;
Hiroshi Otsuki, Susono, JP;
Takamitsu Asanuma, Mishima, JP;
Kohei Yoshida, Gotenba, JP;
Hiromasa Nishioka, Susono, JP;
Shinya Hirota, Susono, JP;
Kotaro Hayashi, Mishima, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A metal or metal compound able to trap a sulfur component in exhaust gas is arranged in a flow passage of exhaust gas in an internal combustion engine. When the amount of sulfur component trapped in the metal or metal compound increases over the passage of time, a property of the metal or metal compound which changes along with the increase in the amount of trapped sulfur component is measured and the sulfur component in the gas is detected from the measured property.