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. 03, 2012
Filed:
Nov. 08, 2007
Hiroshi Oohashi, Osaka, JP;
Hiroshi Masuda, Osaka, JP;
Hiroshi Oohashi, Osaka, JP;
Hiroshi Masuda, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
It is intended to provide an EGR device for an engine in which a cooling structure such as an EGR cooler is not required and which reduces Nox contained in the exhaust gas in the whole operation areas, so as to correspond to recent exhaust gas regulation. An EGR devicefor an engine comprises an EGR pipefor continuously connecting an exhaust manifoldand an intake manifoldof an engine, an EGR valvefor controlling a passage area of the EGR pipe, an ECUfor controlling the EGR valve. The EGR devicefurther comprises a bypass passagefor bypassing the EGR valveand a restrictoris installed in the bypass passage