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    • 3. 发明申请
    • POLYMER THICKENED GREASE COMPOSITIONS WITH IMPROVED LOW FRICTION PROPERTIES
    • 聚合物稠化润滑脂组合物具有改善的低摩擦性能
    • WO2012076638A9
    • 2012-08-30
    • PCT/EP2011072163
    • 2011-12-08
    • SKF ABPASARIBU RIHARDMEIJER DICK
    • PASARIBU RIHARDMEIJER DICK
    • C10M169/06
    • C10M119/02C10M169/06C10M2205/0213C10M2205/12C10M2205/146C10M2205/18C10N2230/06C10N2240/02C10N2250/10
    • The invention provides a grease composition comprising: (a) a lubricating base oil; (b) a polymeric thickener comprising a mixture of (1) a (co- or homo)polymer of propylene with a weight average molecular weight of more than 200.000 and (2) a (co- or homo)polymer of propylene with a weight average molecular weight of less than 200.000; and (c) a polar wax. The invention further provides a mechanical component having a metal surface onto which a layer of the grease composition according to the invention has been applied. The invention also relates to the use of a polar wax in the preparation of a grease composition for bearing applications, and the use of a polar wax in a grease composition for bearing applications. In addition, the present invention relates to the use of the grease composition for reducing friction in a bearing, between bearing components or within a bearing application system. The invention also relates to a method for preparing the present grease composition.
    • 本发明提供一种润滑脂组合物,其包含:(a)润滑基础油; (b)聚合物增稠剂,其包含(1)丙烯的(共聚或均聚)聚合物与重均分子量大于200.000的混合物和(2)丙烯与共聚物(共聚或均聚) 平均分子量小于200.000; 和(c)极性蜡。 本发明还提供一种具有金属表面的机械部件,在该表面上施加了根据本发明的润滑脂组合物的层。 本发明还涉及极性蜡在制备用于轴承应用的润滑脂组合物中的用途,以及在用于轴承应用的润滑脂组合物中使用极性蜡。 此外,本发明涉及润滑脂组合物用于减少轴承,轴承部件之间或轴承应用系统内的摩擦力的用途。 本发明还涉及制备本发明润滑脂组合物的方法。
    • 7. 发明申请
    • BEARING ASSEMBLY WITH ACTIVE GREASE LUBRICATION
    • 轴承组装与主动润滑润滑
    • WO2011057653A1
    • 2011-05-19
    • PCT/EP2009/008089
    • 2009-11-13
    • AB SKFTATAR, FlorinPASARIBU, Rihard
    • TATAR, FlorinPASARIBU, Rihard
    • F16C33/66B01L3/00
    • F16C33/6659
    • The present invention relates to a bearing assembly comprising a rolling element bearing (100) and an electrically controlled grease pump (110). The rolling element bearing comprises an inner ring (102), an outer ring (105) and at least one set of rolling elements (107) disposed within a cavity of the bearing on opposing inner and outer raceways. The grease pump comprises a pump drive mechanism, a grease reservoir (112) and a supply line (115) in connection with the reservoir. The supply line extends into the bearing cavity and has a discharge opening (117) arranged in close proximity to a rolling contact zone of the bearing. According to the invention, the pump drive mechanism is an electro-osmotic member which pumps a drive fluid, whereby the drive fluid exerts pressure on the grease reservoir in order to effect a supply of grease to the bearing.
    • 本发明涉及一种包括滚动元件轴承(100)和电控油脂泵(110)的轴承组件。 滚动元件轴承包括内环(102),外环(105)和至少一组滚动元件(107),其设置在相对的内滚道和外滚道上的轴承的空腔内。 润滑脂泵包括泵驱动机构,油脂储存器(112)和与储存器相连的供应管线(115)。 供应管线延伸到轴承腔中并且具有布置成紧邻轴承的滚动接触区域的排出口(117)。 根据本发明,泵驱动机构是泵送驱动流体的电渗构件,由此驱动流体对油脂储存器施加压力,以便向轴承供应润滑脂。