LUBRICANT COMPOSITION, MANUFACTURING METHOD OF LUBRICANT COMPOSITION AND NON-STAGE TRANSMISSION

• Main Authors: SUNAGAWA YOJI, IWASAKI TAKESHI
• Format: Patent
• Language: English; Japanese
• Published: 08.08.2019
• Subjects: BLASTING; CHEMISTRY; ENGINEERING ELEMENTS AND UNITS; FUELS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICANTS; LUBRICATING COMPOSITIONS; MECHANICAL ENGINEERING; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THERMAL INSULATION IN GENERAL; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION; WEAPONS

To provide the lubricant composition, the manufacturing method of the lubricant composition and the non-stage transmission using the lubricant composition, wherein the lubricant composition can achieve both a high traction coefficient and excellent low-temperature fluidity at higher levels, and has a high flash point.SOLUTION: The lubricant composition comprises a naphthenic synthetic oil (a) having a flash point of 140°C or higher and a branched ester (b) having 5 to 32 carbon atoms, the manufacturing method comprises manufacturing the lubricant composition, and the non-stage transmission comprises using the lubricant composition, wherein a content of the naphthenic synthetic oil (a) based on a total amount of the composition is 35 mass% or more to less than 80 mass%.SELECTED DRAWING: None 【課題】高トラクション係数と優れた低温流動性とをより高い次元で両立するとともに、高引火点を有する潤滑油組成物、該潤滑油組成物の製造方法、及び該潤滑油組成物を用いた無段変速機を提供する。【解決手段】引火点が１４０℃以上のナフテン系合成油（ａ）及び分岐鎖を有する炭素数５〜３２のエステル（ｂ）を含み、該ナフテン系合成油（ａ）の組成物全量基準の含有量が３５質量％以上８０質量％未満である潤滑油組成物、該潤滑油組成物の製造方法、及び該潤滑油組成物を用いた無段変速機である。【選択図】なし