Patent ID: 7032579
Filing Date: 2006-04-25
Classification: F01N,F02M

Abstract:
1. An exhaust gas recirculation device of an engine including inline-multi cylinders, comprising: a cylinder head of the engine which includes an intake port flange portion thereof; an intake manifold for introducing an intake air into engine cylinders, which is made from resin; a plate member interposed between said intake port flange portion of the cylinder head and said intake manifold, the plate member including intake air openings which are formed so as to correspond to respective intake ports of the engine cylinders and an exhaust gas recirculation passage for a recirculated exhaust gas which is formed therein, wherein said exhaust gas recirculation passage formed in the plate member comprises an exhaust gas introducing portion, a common passage portion which connects with the exhaust gas introducing portion, and a diverged passage portion which diverges from the common passage portion and leads to respective intake ports of the engine cylinders, said plate member includes a protruding portion which is formed so as to protrude outward beyond respective connecting faces thereof with said cylinder head and said intake manifold, said common passage portion of the exhaust gas recirculation passage is substantially formed at said protruding portion of the plate member, and said plate member is configured of two split plates which are overlapped each other and there are provided grooves which are formed at both overlapping faces of respective split plates so as to constitute jointly said exhaust gas recirculation passage.