PISTON OF INTERNAL COMBUSTION ENGINE
To provide a piston of an internal combustion engine which can improve the lubrication performance of the piston and an inner wall of a cylinder bore, and can reduce a friction loss of the piston.SOLUTION: In a piston 7, lower ends of recesses 41 located at an upper boundary 37a side out of recesses...
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| description | To provide a piston of an internal combustion engine which can improve the lubrication performance of the piston and an inner wall of a cylinder bore, and can reduce a friction loss of the piston.SOLUTION: In a piston 7, lower ends of recesses 41 located at an upper boundary 37a side out of recesses 41 located at an upper skirt part 36 separate from the upper boundary 37 upward by a distance S, upper ends of the recesses 41 located at the upper boundary 37a side out of the recesses 41 located at a center skirt part 37 separate from the upper boundary 37a downward by the distance S, upper ends of the recesses 41 located at a lower boundary 37b side out of the recesses 41 located at a lower skirt part 38 separate from the lower boundary 37b downward by the distance S, and lower ends of the recesses 41 located at the lower boundary 37b side out of the recesses 41 located at the center skirt part 37 separate from the lower boundary 37b upward by the distance S.SELECTED DRAWING: Figure 8
【課題】ピストンとシリンダボアの内壁との潤滑性能を向上でき、ピストンの摩擦損失を低減できる内燃機関のピストンを提供すること。【解決手段】ピストン７によれば、上部スカート部３６に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の下端は、上部境界３７ａよりも上方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の上端は、上部境界３７ａよりも下方に距離Ｓだけ離れている。下部スカート部３８に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部４１の上端は、下部境界３７ｂよりも下方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部の４１の下端は、下部境界３７ｂよりも上方に距離Ｓだけ離れている。【選択図】図８ |
| format | Patent |
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【課題】ピストンとシリンダボアの内壁との潤滑性能を向上でき、ピストンの摩擦損失を低減できる内燃機関のピストンを提供すること。【解決手段】ピストン７によれば、上部スカート部３６に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の下端は、上部境界３７ａよりも上方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の上端は、上部境界３７ａよりも下方に距離Ｓだけ離れている。下部スカート部３８に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部４１の上端は、下部境界３７ｂよりも下方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部の４１の下端は、下部境界３７ｂよりも上方に距離Ｓだけ離れている。【選択図】図８</description><language>eng ; jpn</language><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES ; BLASTING ; COMBUSTION ENGINES ; CYLINDERS ; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; PISTONS ; SEALINGS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2020</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=20200326&DB=EPODOC&CC=JP&NR=2020045795A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200326&DB=EPODOC&CC=JP&NR=2020045795A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUDA NAOYUKI</creatorcontrib><title>PISTON OF INTERNAL COMBUSTION ENGINE</title><description>To provide a piston of an internal combustion engine which can improve the lubrication performance of the piston and an inner wall of a cylinder bore, and can reduce a friction loss of the piston.SOLUTION: In a piston 7, lower ends of recesses 41 located at an upper boundary 37a side out of recesses 41 located at an upper skirt part 36 separate from the upper boundary 37 upward by a distance S, upper ends of the recesses 41 located at the upper boundary 37a side out of the recesses 41 located at a center skirt part 37 separate from the upper boundary 37a downward by the distance S, upper ends of the recesses 41 located at a lower boundary 37b side out of the recesses 41 located at a lower skirt part 38 separate from the lower boundary 37b downward by the distance S, and lower ends of the recesses 41 located at the lower boundary 37b side out of the recesses 41 located at the center skirt part 37 separate from the lower boundary 37b upward by the distance S.SELECTED DRAWING: Figure 8
【課題】ピストンとシリンダボアの内壁との潤滑性能を向上でき、ピストンの摩擦損失を低減できる内燃機関のピストンを提供すること。【解決手段】ピストン７によれば、上部スカート部３６に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の下端は、上部境界３７ａよりも上方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の上端は、上部境界３７ａよりも下方に距離Ｓだけ離れている。下部スカート部３８に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部４１の上端は、下部境界３７ｂよりも下方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部の４１の下端は、下部境界３７ｂよりも上方に距離Ｓだけ離れている。【選択図】図８</description><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CYLINDERS</subject><subject>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PISTONS</subject><subject>SEALINGS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAJ8AwO8fdT8HdT8PQLcQ3yc_RRcPb3dQoNDvEECrv6uXv6ufIwsKYl5hSn8kJpbgYlN9cQZw_d1IL8-NTigsTk1LzUknivACMDIwMDE1NzS1NHY6IUAQDMDSOL</recordid><startdate>20200326</startdate><enddate>20200326</enddate><creator>SUDA NAOYUKI</creator><scope>EVB</scope></search><sort><creationdate>20200326</creationdate><title>PISTON OF INTERNAL COMBUSTION ENGINE</title><author>SUDA NAOYUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2020045795A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2020</creationdate><topic>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CYLINDERS</topic><topic>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PISTONS</topic><topic>SEALINGS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SUDA NAOYUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SUDA NAOYUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PISTON OF INTERNAL COMBUSTION ENGINE</title><date>2020-03-26</date><risdate>2020</risdate><abstract>To provide a piston of an internal combustion engine which can improve the lubrication performance of the piston and an inner wall of a cylinder bore, and can reduce a friction loss of the piston.SOLUTION: In a piston 7, lower ends of recesses 41 located at an upper boundary 37a side out of recesses 41 located at an upper skirt part 36 separate from the upper boundary 37 upward by a distance S, upper ends of the recesses 41 located at the upper boundary 37a side out of the recesses 41 located at a center skirt part 37 separate from the upper boundary 37a downward by the distance S, upper ends of the recesses 41 located at a lower boundary 37b side out of the recesses 41 located at a lower skirt part 38 separate from the lower boundary 37b downward by the distance S, and lower ends of the recesses 41 located at the lower boundary 37b side out of the recesses 41 located at the center skirt part 37 separate from the lower boundary 37b upward by the distance S.SELECTED DRAWING: Figure 8
【課題】ピストンとシリンダボアの内壁との潤滑性能を向上でき、ピストンの摩擦損失を低減できる内燃機関のピストンを提供すること。【解決手段】ピストン７によれば、上部スカート部３６に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の下端は、上部境界３７ａよりも上方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、上部境界３７ａ側に位置する凹部の４１の上端は、上部境界３７ａよりも下方に距離Ｓだけ離れている。下部スカート部３８に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部４１の上端は、下部境界３７ｂよりも下方に距離Ｓだけ離れており、中央スカート部３７に位置する凹部４１のうち、下部境界３７ｂ側に位置する凹部の４１の下端は、下部境界３７ｂよりも上方に距離Ｓだけ離れている。【選択図】図８</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES CYLINDERS CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS |
| title | PISTON OF INTERNAL COMBUSTION ENGINE |
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