COMBUSTION CHAMBER STRUCTURE OF ENGINE
PROBLEM TO BE SOLVED: To enable sufficient scavenging in a cavity in a central portion on a piston crown surface in an engine in which a compression self-ignition is performed when a geometric compression ratio is 15 or more.SOLUTION: A part of a bevel part 1a of an intake valve 1 is overlapped with...
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| creator | TODA TADATOMO HAYATA MITSUNORI HASHIGUCHI TADASHI YOUSO TAKASHI NAGATSU KAZUHIRO |
| description | PROBLEM TO BE SOLVED: To enable sufficient scavenging in a cavity in a central portion on a piston crown surface in an engine in which a compression self-ignition is performed when a geometric compression ratio is 15 or more.SOLUTION: A part of a bevel part 1a of an intake valve 1 is overlapped with a cavity 11 formed in a piston 10. A crown surface of the piston 10 has a valve recess 15A (15B, 16A, 16B) for preventing interference of the bevel part 1a with the piston 10 such that the valve recess 15A (15B, 16A, 16B) is continued to the cavity 11. A recess side opening end position 50 that is a position in an area C on an opening end for a combustion chamber of a valve recess 15A for an intake valve 1A and is nearer to another adjacent intake valve 1B, is in the same position as a port side opening end position 51 that is a position on an opening end for the combustion chamber of an intake port 5 and is nearer to the another intake valve 1B, or in a position nearer to the intake valve 1A. |
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A crown surface of the piston 10 has a valve recess 15A (15B, 16A, 16B) for preventing interference of the bevel part 1a with the piston 10 such that the valve recess 15A (15B, 16A, 16B) is continued to the cavity 11. A recess side opening end position 50 that is a position in an area C on an opening end for a combustion chamber of a valve recess 15A for an intake valve 1A and is nearer to another adjacent intake valve 1B, is in the same position as a port side opening end position 51 that is a position on an opening end for the combustion chamber of an intake port 5 and is nearer to the another intake valve 1B, or in a position nearer to the intake valve 1A.</description><language>eng</language><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES ; BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; CYLINDERS, PISTONS OR CASINGS, FOR 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 ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; WEAPONS</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140313&DB=EPODOC&CC=JP&NR=2014043782A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140313&DB=EPODOC&CC=JP&NR=2014043782A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TODA TADATOMO</creatorcontrib><creatorcontrib>HAYATA MITSUNORI</creatorcontrib><creatorcontrib>HASHIGUCHI TADASHI</creatorcontrib><creatorcontrib>YOUSO TAKASHI</creatorcontrib><creatorcontrib>NAGATSU KAZUHIRO</creatorcontrib><title>COMBUSTION CHAMBER STRUCTURE OF ENGINE</title><description>PROBLEM TO BE SOLVED: To enable sufficient scavenging in a cavity in a central portion on a piston crown surface in an engine in which a compression self-ignition is performed when a geometric compression ratio is 15 or more.SOLUTION: A part of a bevel part 1a of an intake valve 1 is overlapped with a cavity 11 formed in a piston 10. A crown surface of the piston 10 has a valve recess 15A (15B, 16A, 16B) for preventing interference of the bevel part 1a with the piston 10 such that the valve recess 15A (15B, 16A, 16B) is continued to the cavity 11. A recess side opening end position 50 that is a position in an area C on an opening end for a combustion chamber of a valve recess 15A for an intake valve 1A and is nearer to another adjacent intake valve 1B, is in the same position as a port side opening end position 51 that is a position on an opening end for the combustion chamber of an intake port 5 and is nearer to the another intake valve 1B, or in a position nearer to the intake valve 1A.</description><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</subject><subject>BLASTING</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</subject><subject>COMBUSTION ENGINES</subject><subject>COMBUSTION ENGINES IN GENERAL</subject><subject>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>INTERNAL-COMBUSTION PISTON ENGINES</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBz9vd1Cg0O8fT3U3D2cPR1cg1SCA4JCnUOCQ1yVfB3U3D1c_f0c-VhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhiYGJsbmFkaOxkQpAgAUBiQQ</recordid><startdate>20140313</startdate><enddate>20140313</enddate><creator>TODA TADATOMO</creator><creator>HAYATA MITSUNORI</creator><creator>HASHIGUCHI TADASHI</creator><creator>YOUSO TAKASHI</creator><creator>NAGATSU KAZUHIRO</creator><scope>EVB</scope></search><sort><creationdate>20140313</creationdate><title>COMBUSTION CHAMBER STRUCTURE OF ENGINE</title><author>TODA TADATOMO ; HAYATA MITSUNORI ; HASHIGUCHI TADASHI ; YOUSO TAKASHI ; NAGATSU KAZUHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014043782A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</topic><topic>BLASTING</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</topic><topic>COMBUSTION ENGINES</topic><topic>COMBUSTION ENGINES IN GENERAL</topic><topic>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>INTERNAL-COMBUSTION PISTON ENGINES</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TODA TADATOMO</creatorcontrib><creatorcontrib>HAYATA MITSUNORI</creatorcontrib><creatorcontrib>HASHIGUCHI TADASHI</creatorcontrib><creatorcontrib>YOUSO TAKASHI</creatorcontrib><creatorcontrib>NAGATSU KAZUHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TODA TADATOMO</au><au>HAYATA MITSUNORI</au><au>HASHIGUCHI TADASHI</au><au>YOUSO TAKASHI</au><au>NAGATSU KAZUHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COMBUSTION CHAMBER STRUCTURE OF ENGINE</title><date>2014-03-13</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To enable sufficient scavenging in a cavity in a central portion on a piston crown surface in an engine in which a compression self-ignition is performed when a geometric compression ratio is 15 or more.SOLUTION: A part of a bevel part 1a of an intake valve 1 is overlapped with a cavity 11 formed in a piston 10. A crown surface of the piston 10 has a valve recess 15A (15B, 16A, 16B) for preventing interference of the bevel part 1a with the piston 10 such that the valve recess 15A (15B, 16A, 16B) is continued to the cavity 11. A recess side opening end position 50 that is a position in an area C on an opening end for a combustion chamber of a valve recess 15A for an intake valve 1A and is nearer to another adjacent intake valve 1B, is in the same position as a port side opening end position 51 that is a position on an opening end for the combustion chamber of an intake port 5 and is nearer to the another intake valve 1B, or in a position nearer to the intake valve 1A.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR 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 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS |
| title | COMBUSTION CHAMBER STRUCTURE OF ENGINE |
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