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    • 7. 发明专利
    • LUBRICATING OIL COMPOSITION FOR SLIDING SURFACE
    • JPH1053783A
    • 1998-02-24
    • JP21259896
    • 1996-08-12
    • IDEMITSU KOSAN CO
    • KAMIMURA HIDETO
    • C10M161/00C10M141/10C10N30/00C10N30/06C10N40/02C10N40/22
    • PROBLEM TO BE SOLVED: To obtain a lubricating oil composition which is excellent in both frictional characteristics at a sliding part and water separation and makes it possible to reuse a water-soluble coolant for cutting and grinding by blending a lube base oil with a sulfur-containing extreme-pressure additive, a phosphoric ester or an amine salt thereof, and a polyalkylene glycol derivative. SOLUTION: The lube base oil used comprises one having a kinematic viscosity (40 deg.C) of 10-500mm /s, although the type used is not limited. The sulfur- containing extreme-pressure additive used may be one having sulfur atom(s) in the molecule and capable of being dissolved or uniformly dispersed in the base oil to exhibit extreme-pressure characteristics and excellent frictional characteristics, without limitation in particular. For example, an olefin sulfide is used in an amount of 0.1-10wt.% as the extreme-pressure additive. An example of phosphoric ester used is triaryl phosphate. An example of amine used for the amine salt is butylamine. The amine salt is blended in an amount of 0.001-10wt.%. An example of polyalkylene glycol derivative used is a polyoxy(ethylene propylene) glycol, which is blended in an amount of 0.00001-1wt.%.
    • 9. 发明专利
    • Oil for oil-impregnated bearing, oil-impregnated bearing using the oil, and pressurization motor
    • 用于油浸油的油,使用油的油浸轴承和加压电机
    • JP2008280540A
    • 2008-11-20
    • JP2008157060
    • 2008-06-16
    • Idemitsu Kosan Co Ltd出光興産株式会社
    • KAMIMURA HIDETO
    • C10M169/04C10M105/34C10M105/36C10M105/38C10M129/10C10M133/12C10M137/02C10M137/04C10M137/08C10N20/00C10N20/02C10N30/00C10N30/02C10N30/08C10N40/02F16C17/02H02K7/08H02K21/22
    • PROBLEM TO BE SOLVED: To provide an oil-impregnated bearing oil which is lowly viscous, lowly evaporable, and heat-resistant, does not emit lowly volatile components and outgases when used in a motor, and can prevent the friction of an oil-impregnated bearing even in a motor having a special structure in which pressure is applied in a specified direction; an oil-impregnated bearing using the oil; and a pressurization motor.
      SOLUTION: The oil-impregnated bearing oil is prepared by adding a phenolic antioxidant or an amine antioxidant and a friction modifier comprising at least one member selected from among an orthophosphoric ester, an acidic phosphoric ester, and an amine salt of an acidic phosphoric ester to a low-viscosity ester base oil. There are also provided the oil-impregnated bearing impregnated with the oil, and the pressurization motor wherein a means for applying a specifically directed side thrust to a motor shaft supported by an oil-impregnated bearing prepared by pressure-sintering a metal powder is obtained by displacing one side core of cores fixed symmetrically around the motor shaft to the direction of the motor shaft and wherein the oil-impregnated bearing is impregnated with the oil-impregnated bearing oil.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供低粘度,低蒸发和耐热的含油轴承油,当在电动机中使用时不会发出低挥发性组分和残留物,并且可以防止摩擦 油浸轴承即使在具有特定结构的马达中,其中压力沿特定方向施加; 使用油的含油轴承; 和加压电动机。 油浸轴承油是通过添加酚类抗氧化剂或胺类抗氧化剂和含有至少一种选自正磷酸酯,酸性磷酸酯和酸性的胺盐中的成分的摩擦改性剂来制备的 磷酸酯至低粘度酯基油。 还提供了浸渍有油的浸油轴承,并且加压马达,其中通过加压烧结金属粉末制备的由含油轴承支撑的电​​动机轴施加特定方向的侧推力的装置通过以下方式获得: 将围绕电动机轴对称固定的芯的一侧芯移动到电动机轴的方向,并且其中浸油轴承用浸油轴承油浸渍。 版权所有(C)2009,JPO&INPIT