INTERNAL COMBUSTION ENGINE HAVING SECONDARY AIR PASSAGE
PROBLEM TO BE SOLVED: To improve exhaust emission control performance by secondary air, and to miniaturize a cylinder head, by preventing the secondary air from being excessively heated by heat from a combustion chamber and an exhaust port. SOLUTION: The cylinder head 21 of an internal combustion en...
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| creator | KONO NAOKI MIZUTANI FUMINORI |
| description | PROBLEM TO BE SOLVED: To improve exhaust emission control performance by secondary air, and to miniaturize a cylinder head, by preventing the secondary air from being excessively heated by heat from a combustion chamber and an exhaust port. SOLUTION: The cylinder head 21 of an internal combustion engine has the exhaust port 31 opened in the combustion chamber 29 and a secondary air passage 80 introducing the secondary air for exhaust emission control to the exhaust port 31. The secondary air passage 80 is composed of an upstream passage 81 having an inlet 80i opened in the front wall 47a of the cylinder head 21, a downstream passage 82 having an outlet 80o opened in the exhaust port 31, and a bent portion through which the downstream passage 82 is bent and connected to the upstream passage 81. The secondary air passage 80 is positioned away from the exhaust port 31 with respect to the combustion chamber 29 in a cylinder axis direction, and an oil passage 60 is formed between the secondary air passage 80 and the exhaust port 31. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The cylinder head 21 of an internal combustion engine has the exhaust port 31 opened in the combustion chamber 29 and a secondary air passage 80 introducing the secondary air for exhaust emission control to the exhaust port 31. The secondary air passage 80 is composed of an upstream passage 81 having an inlet 80i opened in the front wall 47a of the cylinder head 21, a downstream passage 82 having an outlet 80o opened in the exhaust port 31, and a bent portion through which the downstream passage 82 is bent and connected to the upstream passage 81. The secondary air passage 80 is positioned away from the exhaust port 31 with respect to the combustion chamber 29 in a cylinder axis direction, and an oil passage 60 is formed between the secondary air passage 80 and the exhaust port 31. 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SOLUTION: The cylinder head 21 of an internal combustion engine has the exhaust port 31 opened in the combustion chamber 29 and a secondary air passage 80 introducing the secondary air for exhaust emission control to the exhaust port 31. The secondary air passage 80 is composed of an upstream passage 81 having an inlet 80i opened in the front wall 47a of the cylinder head 21, a downstream passage 82 having an outlet 80o opened in the exhaust port 31, and a bent portion through which the downstream passage 82 is bent and connected to the upstream passage 81. The secondary air passage 80 is positioned away from the exhaust port 31 with respect to the combustion chamber 29 in a cylinder axis direction, and an oil passage 60 is formed between the secondary air passage 80 and the exhaust port 31. COPYRIGHT: (C)2009,JPO&INPIT</description><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>COOLING OF INTERNAL-COMBUSTION ENGINES</subject><subject>COOLING OF MACHINES OR ENGINES IN GENERAL</subject><subject>CRANKCASE VENTILATING</subject><subject>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>LUBRICATING INTERNAL COMBUSTION ENGINES</subject><subject>LUBRICATING OF MACHINES OR ENGINES IN GENERAL</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD39AtxDfJz9FFw9vd1Cg0O8fT3U3D1c_f0c1XwcAzz9HNXCHZ19vdzcQyKVHD0DFIIcAwOdnR35WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgYGlobGFmYW5o7GRCkCAJavKMU</recordid><startdate>20090625</startdate><enddate>20090625</enddate><creator>KONO NAOKI</creator><creator>MIZUTANI FUMINORI</creator><scope>EVB</scope></search><sort><creationdate>20090625</creationdate><title>INTERNAL COMBUSTION ENGINE HAVING SECONDARY AIR PASSAGE</title><author>KONO NAOKI ; MIZUTANI FUMINORI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2009138687A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>COOLING OF INTERNAL-COMBUSTION ENGINES</topic><topic>COOLING OF MACHINES OR ENGINES IN GENERAL</topic><topic>CRANKCASE VENTILATING</topic><topic>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>LUBRICATING INTERNAL COMBUSTION ENGINES</topic><topic>LUBRICATING OF MACHINES OR ENGINES IN GENERAL</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KONO NAOKI</creatorcontrib><creatorcontrib>MIZUTANI FUMINORI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KONO NAOKI</au><au>MIZUTANI FUMINORI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>INTERNAL COMBUSTION ENGINE HAVING SECONDARY AIR PASSAGE</title><date>2009-06-25</date><risdate>2009</risdate><abstract>PROBLEM TO BE SOLVED: To improve exhaust emission control performance by secondary air, and to miniaturize a cylinder head, by preventing the secondary air from being excessively heated by heat from a combustion chamber and an exhaust port. SOLUTION: The cylinder head 21 of an internal combustion engine has the exhaust port 31 opened in the combustion chamber 29 and a secondary air passage 80 introducing the secondary air for exhaust emission control to the exhaust port 31. The secondary air passage 80 is composed of an upstream passage 81 having an inlet 80i opened in the front wall 47a of the cylinder head 21, a downstream passage 82 having an outlet 80o opened in the exhaust port 31, and a bent portion through which the downstream passage 82 is bent and connected to the upstream passage 81. The secondary air passage 80 is positioned away from the exhaust port 31 with respect to the combustion chamber 29 in a cylinder axis direction, and an oil passage 60 is formed between the secondary air passage 80 and the exhaust port 31. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL CRANKCASE VENTILATING CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | INTERNAL COMBUSTION ENGINE HAVING SECONDARY AIR PASSAGE |
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