INTERNAL COMBUSTION ENGINE EXHAUST GAS RECIRCULATION SYSTEM

PROBLEM TO BE SOLVED: To aim at the avoidance of thermal deformation in a manifold, the equal distribution of EGR gas, and a reduction in weight and cost by no use of an EGR pipe, etc., in a internal combustion engine exhaust gas recirculation system with a resin inlet manifold. SOLUTION: A resin in...

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Bibliographische Detailangaben
Hauptverfasser:	AOKI TAKUYA, GOTO SHINZO, KOBAYASHI TERUO, TSUNEISHI KIYOSHI, YAMAGUCHI ATSUO, AMAMIYA TORU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To aim at the avoidance of thermal deformation in a manifold, the equal distribution of EGR gas, and a reduction in weight and cost by no use of an EGR pipe, etc., in a internal combustion engine exhaust gas recirculation system with a resin inlet manifold. SOLUTION: A resin inlet manifold 3 is connected to a cylinder head 2 via a metal space 5 and a gasket 6, and this head is formed with an EGR gas suction passage 9 and three EGR gas discharge passages 10-1, 10-2 and 10-3. One end of this gas suction passage is opened to an exhaust port 12-3, and the other end is opened to an aggregate chamber formed in a connected surface 2a with the inlet manifold of the head, and an EGR valve 11 is installed in the midway. The gasket is formed with a gas common communicating port and a gas branch communicating port, and in the spacer, an EGR gas branch passage communicating to the gas common communicating port and the EGR gas branch communicating port and equal in length is groovedly formed on the connecting surface with the gasket. Gas sucked from an exhaust port is discharged to suction ports 20-1, 20-2 and 20-3 by through these passages, aggregate chambers and openings.