GASOLINE COMPOSITION

PROBLEM TO BE SOLVED: To provide a gasoline composition capable of suppressing generation of intake system deposit and combustion chamber deposit, especially intake system deposit without adding a cleaner.SOLUTION: There is provided a gasoline composition having 10 vol.% distilling temperature of 38...

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Bibliographische Detailangaben
Hauptverfasser:	HOSOGAI DAIJIRO, NAMIYAMA KAZUYOSHI, OKAYASU YOSHINORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a gasoline composition capable of suppressing generation of intake system deposit and combustion chamber deposit, especially intake system deposit without adding a cleaner.SOLUTION: There is provided a gasoline composition having 10 vol.% distilling temperature of 38 to 70°C, 50 vol.% distilling temperature of 75 to 110°C and 90 vol.% distilling temperature of 130 to 180°C and the aromatic component content of 30 to 65 mass%, the olefine component content of 8 to 22 mass% based on the total mass of the gasoline component and satisfying the following formula (1): deposit parameter=0.048(12×CA+16×CA+20×CA+80×CA+400×CA]≤30. 【課題】清浄剤を添加することなしに、吸気系デポジットおよび燃焼室デポジット、特に吸気系デポジットの生成の抑制可能なガソリン組成物を提供する。【解決手段】１０容量％留出温度が３８〜７０℃、５０容量％留出温度が７５〜１１０℃、および９０容量％留出温度が１３０〜１８０℃であり、ガソリン組成物全質量基準で芳香族分含有量が、３０〜６５質量％オレフィン分含有量が８〜２２質量％であり、かつ次の式（１）；デポジットパラメータ＝０．０４８（１２?Ｃ８Ａ＋１６?Ｃ９Ａ＋２０?Ｃ１０Ａ＋８０?Ｃ１１Ａ＋４００?Ｃ１２Ａ］３０を満たしてなることを特徴とするガソリン組成物。【選択図】図１