COMBUSTION CHAMBER STRUCTURE FOR ENGINE
A combustion chamber is defined by a cylinder block, a cylinder head, and a piston. The cylinder block includes a block body that has a cylinder inner wall covered by a coat layer. The coat layer includes: a heat-shielding layer that covers an upper end of the cylinder inner wall, a piston ring not...
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| creator | Harada, Yuji Nou, Yoshihisa Ge, Xiyao Aoki, Osamu Uchida, Kenji |
| description | A combustion chamber is defined by a cylinder block, a cylinder head, and a piston. The cylinder block includes a block body that has a cylinder inner wall covered by a coat layer. The coat layer includes: a heat-shielding layer that covers an upper end of the cylinder inner wall, a piston ring not slidingly contacting the upper end; a heat-insulating layer arranged on a back side of the heat-shielding layer; and a heat diffusion layer arranged between the heat-insulating layer and the heat-shielding layer. Regarding thermal conductivity, the heat-insulating layer is lower than the block body, the heat-shielding layer is lower than the block body and the heat-insulating layer, and the heat diffusion layer is higher than the heat-insulating layer and the heat-shielding layer. The heat diffusion layer includes a side end edge and an extending portion, each of which abuts the block body. |
| format | Patent |
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The cylinder block includes a block body that has a cylinder inner wall covered by a coat layer. The coat layer includes: a heat-shielding layer that covers an upper end of the cylinder inner wall, a piston ring not slidingly contacting the upper end; a heat-insulating layer arranged on a back side of the heat-shielding layer; and a heat diffusion layer arranged between the heat-insulating layer and the heat-shielding layer. Regarding thermal conductivity, the heat-insulating layer is lower than the block body, the heat-shielding layer is lower than the block body and the heat-insulating layer, and the heat diffusion layer is higher than the heat-insulating layer and the heat-shielding layer. The heat diffusion layer includes a side end edge and an extending portion, each of which abuts the block body.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; CYLINDERS ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; PISTONS ; SEALINGS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2021</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=20211028&DB=EPODOC&CC=US&NR=2021332750A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211028&DB=EPODOC&CC=US&NR=2021332750A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Harada, Yuji</creatorcontrib><creatorcontrib>Nou, Yoshihisa</creatorcontrib><creatorcontrib>Ge, Xiyao</creatorcontrib><creatorcontrib>Aoki, Osamu</creatorcontrib><creatorcontrib>Uchida, Kenji</creatorcontrib><title>COMBUSTION CHAMBER STRUCTURE FOR ENGINE</title><description>A combustion chamber is defined by a cylinder block, a cylinder head, and a piston. The cylinder block includes a block body that has a cylinder inner wall covered by a coat layer. The coat layer includes: a heat-shielding layer that covers an upper end of the cylinder inner wall, a piston ring not slidingly contacting the upper end; a heat-insulating layer arranged on a back side of the heat-shielding layer; and a heat diffusion layer arranged between the heat-insulating layer and the heat-shielding layer. Regarding thermal conductivity, the heat-insulating layer is lower than the block body, the heat-shielding layer is lower than the block body and the heat-insulating layer, and the heat diffusion layer is higher than the heat-insulating layer and the heat-shielding layer. 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The cylinder block includes a block body that has a cylinder inner wall covered by a coat layer. The coat layer includes: a heat-shielding layer that covers an upper end of the cylinder inner wall, a piston ring not slidingly contacting the upper end; a heat-insulating layer arranged on a back side of the heat-shielding layer; and a heat diffusion layer arranged between the heat-insulating layer and the heat-shielding layer. Regarding thermal conductivity, the heat-insulating layer is lower than the block body, the heat-shielding layer is lower than the block body and the heat-insulating layer, and the heat diffusion layer is higher than the heat-insulating layer and the heat-shielding layer. The heat diffusion layer includes a side end edge and an extending portion, each of which abuts the block body.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS |
| title | COMBUSTION CHAMBER STRUCTURE FOR ENGINE |
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