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Patent Searching and Data


Title:
EGR DEVICE FOR SUPERCHARGED ENGINE
Document Type and Number:
Japanese Patent JP2007291931
Kind Code:
A
Abstract:

To provide an EGR device capable of efficiently re-circulating EGR gas without dropping supercharging efficiency.

A bulkhead 4a dividing an exhaust manifold 3 of a supercharged engine 2 provided with VGT 1 into main channels 5a, 5b directly connecting a collection part to an exhaust gas introduction port of the VGT 1 and auxiliary channels 6a, 6b connecting a collection part to the exhaust gas introduction port of the VGT 1 through variable restrictors 7a, 7b is provided. EGR quantity and VGT 1 can be independently operated by providing EGR passages 8a, 8b branching off of the auxiliary channels 6a, 6b and reaching to the intake passage.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
NAKAJIMA MASARU
SHIMOKAWA KIYOHIRO
Application Number:
JP2006119977A
Publication Date:
November 08, 2007
Filing Date:
April 25, 2006
Export Citation:
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Assignee:
HINO MOTORS LTD
International Classes:
F02M25/07; F02B37/00; F02B37/02; F02B37/24