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    • 6. 发明申请
    • ROLLING BEARING ASSEMBLY WITH INTERNAL LUBRICATION
    • 滚动轴承组件内部润滑
    • WO2013110319A1
    • 2013-08-01
    • PCT/EP2012/050985
    • 2012-01-23
    • AKTIEBOLAGET SKFVERBE, OlivierBERENS, FrankLUGT, Piet
    • VERBE, OlivierBERENS, FrankLUGT, Piet
    • F16C19/16F16C33/66
    • F16C33/6625F16C19/06F16C33/588F16C33/60F16C33/6614F16C33/767F16C2361/61F16C2380/26
    • Rolling bearing assembly comprising an inner ring(2),an outer ring(3), at least one row of rolling elements(4) disposed between raceways (13a, 13b) provided on the inner and outer rings (2, 3), and an annular housing (6) inside which at least one of the rings (3) is arranged, said one ring(3) comprising two half ring parts (3a, 3b), at least one of the two half ring parts (3a) of said one ring (3) defining with the annular housing (6) a closed space (23a) inside which a lubricant (25) is located, at least one half ring part (3a) comprising passage means (24a) for the lubricant (25) to pass from the closed space (23a) to the raceways (13a, 13b). The rolling bearing assembly (1) comprises a pressure creating means (26a) disposed in said closed space (23a) on a side opposite to said passage means (24a).
    • 滚动轴承组件包括内圈(2),外圈(3),设置在设置在内圈和外圈(2,3)上的滚道(13a,13b)之间的至少一排滚动元件(4),以及 其中至少一个所述环(3)布置在所述环形壳体(6)内,所述一个环(3)包括两个半环部分(3a,3b),所述两个半环部分(3a)中的至少一个 所述一个环(3)与所述环形壳体(6)限定一个封闭空间(23a),其中定位有润滑剂(25),至少一个半环部分(3a)包括用于润滑剂的通道装置(25) )从封闭空间(23a)传递到滚道(13a,13b)。 滚动轴承组件(1)包括在与所述通道装置(24a)相对的一侧设置在所述封闭空间(23a)中的压力产生装置(26a)。
    • 7. 发明申请
    • METHOD OF DETERMINING WHEN A CRITICAL FILM THICKNESS WILL BE REACHED IN A GREASE-LUBRICATED SEAL
    • 当润滑脂润滑密封件中的密封膜厚度达到时,确定方法
    • WO2013011086A1
    • 2013-01-24
    • PCT/EP2012/064169
    • 2012-07-19
    • AKTIEBOLAGET SKFBAART, PieterVAN ZOELEN, MarcoLUGT, Piet
    • BAART, PieterVAN ZOELEN, MarcoLUGT, Piet
    • F16J15/32G01B21/08
    • F16J15/3264F16J15/324F16J15/3296G01B21/08
    • The present invention provides a method of determining a time, t c , at which an oil film separating a sliding contact interface (130) between a counterface and an axial lip (115) of a seal will reach a critical film thickness. One of the axial lip and the counterface is provided on a rotational part (125) of the seal and the other of the axial lip and the counterface is provided on a non-rotational part (110) of the seal. Further, the seal is grease lubricated and the oil film is formed by base oil, which bleeds from a grease reservoir (140) on the rotational part of the seal and which flows towards the contact interface (130) under the action of centrifugal force. According to the invention, the method comprises steps of - determining a rotational speed of the rotational part of the seal, - determining a viscosity of the base oil, - determining the time, t c , based on the rotational speed, the viscosity of - the base oil, a cross-sectional area of the grease reservoir and a diameter of the contact interface.
    • 本发明提供了一种确定时间tc的方法,在该时间tc,分离在密封件的相对面和轴向唇缘(115)之间的滑动接触界面(130)的油膜将达到临界膜厚度。 轴向唇缘和对面之一设置在密封件的旋转部分(125)上,并且轴向唇缘和对面中的另一个设置在密封件的非旋转部分(110)上。 此外,密封件被润滑脂润滑,并且油膜由基础油形成,基础油从密封件的旋转部分上的油脂容器(140)流出并且在离心力作用下流向接触界面(130)。 根据本发明,该方法包括以下步骤:确定密封件的旋转部分的转速, - 确定基础油的粘度, - 基于转速确定时间tc, - 基础油,油脂储存器的横截面积和接触界面的直径。