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. 26, 2012
Filed:
Feb. 13, 2008
Fumihiro Mondori, Wako, JP;
Naohiro Sato, Wako, JP;
Fumihiro Mondori, Wako, JP;
Naohiro Sato, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
An internal combustion engine having a turbocharger is provided. The engine includes a turbine of the turbocharger located in an exhaust system of the engine, an upstream side catalyst located upstream of the turbine, a catalyst bypass passage bypassing the upstream side catalyst, a catalyst bypass passage on/off valve for opening and closing the catalyst bypass passage, and a first exhaust gas recirculation passage for recirculating a part of exhaust gases from a portion between the upstream side catalyst and the turbine to an intake system of the engine. The engine, that further includes a second exhaust gas recirculation passage for recirculating a part of exhaust gases from an upstream side of the upstream side catalyst to the intake system, and a switching valve for switching between the first exhaust recirculation passage and the second exhaust recirculation passage, is provided.