COOLANT COMPOSITION AND COOLING SYSTEM OF ELECTRIC VEHICLE
To provide a coolant composition capable of readily grasping a state of deterioration due to use.SOLUTION: The present embodiment is a coolant composition used in a cooling system of an electric vehicle, the coolant composition comprising: water; at least one alcohols selected from the group consist...
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| creator | KUSANO YUYA YOSHII YOICHIRO |
| description | To provide a coolant composition capable of readily grasping a state of deterioration due to use.SOLUTION: The present embodiment is a coolant composition used in a cooling system of an electric vehicle, the coolant composition comprising: water; at least one alcohols selected from the group consisting of monohydric alcohols, dihydric alcohols, trihydric alcohols and alkylene glycol monoalkyl ethers; and an absorbance changeable dye whose absorbance is easily changed by the presence of potassium fluoro-aluminate, in which the absorbance changeable dye is a dye by which the absorbance at a maximum absorption wavelength in a visible light region of a solution containing 0.0005 pt.mass to 0.0050 pt.mass of the absorbance changeable dye and 0.5 pt.mass of potassium fluoro-aluminate in 100 pts.mass of an ethylene glycol 50 mass% aqueous solution becomes 50% or less relative to the absorbance at the maximum wavelength in a visible light region of a solution containing the same amount of absorbance changeable dye in 100 pts.mass of the ethylene glycol 50 mass% aqueous solution.SELECTED DRAWING: Figure 1
【課題】本実施形態は、使用による劣化状況を容易に把握可能な冷却液組成物を提供することを目的とする。【解決手段】本実施形態は、電動自動車の冷却システムに用いられる冷却液組成物であって、水と、一価アルコール、二価アルコール、三価アルコール及びアルキレングリコールモノアルキルエーテルからなる群から選ばれる少なくとも１種のアルコール類と、フッ化アルミン酸カリウムの存在によって吸光度が変化し易い吸光度易変化性染料と、を含み、吸光度易変化性染料は、０．０００５質量部～０．００５０質量部の吸光度易変化性染料及び０．５質量部のフッ化アルミン酸カリウムを１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度が、同じ量の吸光度易変化性染料を１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度に対して、５０％以下となる染料である、冷却液組成物である。【選択図】図１ |
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【課題】本実施形態は、使用による劣化状況を容易に把握可能な冷却液組成物を提供することを目的とする。【解決手段】本実施形態は、電動自動車の冷却システムに用いられる冷却液組成物であって、水と、一価アルコール、二価アルコール、三価アルコール及びアルキレングリコールモノアルキルエーテルからなる群から選ばれる少なくとも１種のアルコール類と、フッ化アルミン酸カリウムの存在によって吸光度が変化し易い吸光度易変化性染料と、を含み、吸光度易変化性染料は、０．０００５質量部～０．００５０質量部の吸光度易変化性染料及び０．５質量部のフッ化アルミン酸カリウムを１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度が、同じ量の吸光度易変化性染料を１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度に対して、５０％以下となる染料である、冷却液組成物である。【選択図】図１</description><language>eng ; jpn</language><subject>ADHESIVES ; BASIC ELECTRIC ELEMENTS ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CHEMISTRY ; DYES ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; POLISHES ; PRINTED CIRCUITS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; SEMICONDUCTOR DEVICES</subject><creationdate>2022</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=20221207&DB=EPODOC&CC=JP&NR=2022180769A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221207&DB=EPODOC&CC=JP&NR=2022180769A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUSANO YUYA</creatorcontrib><creatorcontrib>YOSHII YOICHIRO</creatorcontrib><title>COOLANT COMPOSITION AND COOLING SYSTEM OF ELECTRIC VEHICLE</title><description>To provide a coolant composition capable of readily grasping a state of deterioration due to use.SOLUTION: The present embodiment is a coolant composition used in a cooling system of an electric vehicle, the coolant composition comprising: water; at least one alcohols selected from the group consisting of monohydric alcohols, dihydric alcohols, trihydric alcohols and alkylene glycol monoalkyl ethers; and an absorbance changeable dye whose absorbance is easily changed by the presence of potassium fluoro-aluminate, in which the absorbance changeable dye is a dye by which the absorbance at a maximum absorption wavelength in a visible light region of a solution containing 0.0005 pt.mass to 0.0050 pt.mass of the absorbance changeable dye and 0.5 pt.mass of potassium fluoro-aluminate in 100 pts.mass of an ethylene glycol 50 mass% aqueous solution becomes 50% or less relative to the absorbance at the maximum wavelength in a visible light region of a solution containing the same amount of absorbance changeable dye in 100 pts.mass of the ethylene glycol 50 mass% aqueous solution.SELECTED DRAWING: Figure 1
【課題】本実施形態は、使用による劣化状況を容易に把握可能な冷却液組成物を提供することを目的とする。【解決手段】本実施形態は、電動自動車の冷却システムに用いられる冷却液組成物であって、水と、一価アルコール、二価アルコール、三価アルコール及びアルキレングリコールモノアルキルエーテルからなる群から選ばれる少なくとも１種のアルコール類と、フッ化アルミン酸カリウムの存在によって吸光度が変化し易い吸光度易変化性染料と、を含み、吸光度易変化性染料は、０．０００５質量部～０．００５０質量部の吸光度易変化性染料及び０．５質量部のフッ化アルミン酸カリウムを１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度が、同じ量の吸光度易変化性染料を１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度に対して、５０％以下となる染料である、冷却液組成物である。【選択図】図１</description><subject>ADHESIVES</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>POLISHES</subject><subject>PRINTED CIRCUITS</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>SEMICONDUCTOR DEVICES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLBy9vf3cfQLUXD29w3wD_YM8fT3U3D0c1EAiXv6uSsERwaHuPoq-LspuPq4OocEeTorhLl6eDr7uPIwsKYl5hSn8kJpbgYlN9cQZw_d1IL8-NTigsTk1LzUknivACMDIyNDCwNzM0tHY6IUAQANuymG</recordid><startdate>20221207</startdate><enddate>20221207</enddate><creator>KUSANO YUYA</creator><creator>YOSHII YOICHIRO</creator><scope>EVB</scope></search><sort><creationdate>20221207</creationdate><title>COOLANT COMPOSITION AND COOLING SYSTEM OF ELECTRIC VEHICLE</title><author>KUSANO YUYA ; YOSHII YOICHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2022180769A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2022</creationdate><topic>ADHESIVES</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>POLISHES</topic><topic>PRINTED CIRCUITS</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>SEMICONDUCTOR DEVICES</topic><toplevel>online_resources</toplevel><creatorcontrib>KUSANO YUYA</creatorcontrib><creatorcontrib>YOSHII YOICHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUSANO YUYA</au><au>YOSHII YOICHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COOLANT COMPOSITION AND COOLING SYSTEM OF ELECTRIC VEHICLE</title><date>2022-12-07</date><risdate>2022</risdate><abstract>To provide a coolant composition capable of readily grasping a state of deterioration due to use.SOLUTION: The present embodiment is a coolant composition used in a cooling system of an electric vehicle, the coolant composition comprising: water; at least one alcohols selected from the group consisting of monohydric alcohols, dihydric alcohols, trihydric alcohols and alkylene glycol monoalkyl ethers; and an absorbance changeable dye whose absorbance is easily changed by the presence of potassium fluoro-aluminate, in which the absorbance changeable dye is a dye by which the absorbance at a maximum absorption wavelength in a visible light region of a solution containing 0.0005 pt.mass to 0.0050 pt.mass of the absorbance changeable dye and 0.5 pt.mass of potassium fluoro-aluminate in 100 pts.mass of an ethylene glycol 50 mass% aqueous solution becomes 50% or less relative to the absorbance at the maximum wavelength in a visible light region of a solution containing the same amount of absorbance changeable dye in 100 pts.mass of the ethylene glycol 50 mass% aqueous solution.SELECTED DRAWING: Figure 1
【課題】本実施形態は、使用による劣化状況を容易に把握可能な冷却液組成物を提供することを目的とする。【解決手段】本実施形態は、電動自動車の冷却システムに用いられる冷却液組成物であって、水と、一価アルコール、二価アルコール、三価アルコール及びアルキレングリコールモノアルキルエーテルからなる群から選ばれる少なくとも１種のアルコール類と、フッ化アルミン酸カリウムの存在によって吸光度が変化し易い吸光度易変化性染料と、を含み、吸光度易変化性染料は、０．０００５質量部～０．００５０質量部の吸光度易変化性染料及び０．５質量部のフッ化アルミン酸カリウムを１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度が、同じ量の吸光度易変化性染料を１００質量部のエチレングリコール５０質量％水溶液中に含む溶液の可視光領域での極大吸収波長における吸光度に対して、５０％以下となる染料である、冷却液組成物である。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PRINTED CIRCUITS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SEMICONDUCTOR DEVICES |
| title | COOLANT COMPOSITION AND COOLING SYSTEM OF ELECTRIC VEHICLE |
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