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    • 2. 发明授权
    • Pump housing having a high pressure portion and a low pressure portion
    • 具有高压部分和低压部分的泵壳体
    • US6120243A
    • 2000-09-19
    • US50981
    • 1998-03-31
    • Michiaki Tanabe
    • Michiaki Tanabe
    • F04D29/04F04D29/047F04D29/049F04D29/06F16N15/04F01D25/22
    • F04D29/047F04D29/049F04D29/061F16N15/04F05C2225/12F05C2253/20
    • A pump comprises a housing having a shaft bore and a pump chamber, a bearing provided for an inner periphery of the shaft bore, a shaft rotatively supported by the shaft bore through the bearing, and a transporting member connected to one end portion of the shaft for transporting fluid by imparting mechanical energy to the fluid sucked in said pump chamber. The bearing is constituted as a sliding bearing, a first region of a sliding surface formed to the sliding bearing is communicated with a high-pressure portion to be formed so as to provide a high pressure when constructed as a fluid passage, while a second region of the sliding surface formed to the sliding bearing is communicated with a low-pressure portion to be formed so as to have a relatively lower pressure than that of the high-pressure portion when constructed as a fluid passage, so that the fluid is supplied to the sliding surface of said sliding bearing by the action of a differential pressure between the high-pressure portion and the low-pressure portion of the fluid passage so as to lubricate the sliding surface.
    • 泵包括具有轴孔和泵室的壳体,为轴孔的内周设置的轴承,通过轴承由轴孔旋转地支撑的轴以及连接到轴的一个端部的传送构件 用于通过向吸入所述泵室的流体赋予机械能来输送流体。 轴承构成为滑动轴承,形成于滑动轴承的滑动面的第一区域与要形成的高压部分连通,以在构造为流体通道时提供高压,而第二区域 形成在滑动轴承上的滑动面的低压部分与低压部分连通,以便当构成流体通道时具有比高压部分更低的压力,使得流体被供给到 所述滑动轴承的滑动表面通过所述流体通道的高压部分和所述低压部分之间的压差的作用以润滑所述滑动表面。
    • 4. 发明授权
    • Method of preparing an internal combustion engine for use with engine
oil substantially free of metallic and chemical friction modifiers
    • 制备与基本上不含金属和化学摩擦改进剂的发动机油一起使用的内燃机的方法
    • US5238712A
    • 1993-08-24
    • US788131
    • 1991-11-05
    • Morton R. SmithJames L. Maassel
    • Morton R. SmithJames L. Maassel
    • B05D7/22B23Q11/10F16N15/04
    • B23Q11/10B05D7/22F16N15/04B05D2401/10B05D2506/15
    • A process for converting the lubrication system of an internal combustion engine from a system using an oil containing metallic and chemical friction modifiers, to an oil substantially devoid of such modifiers. A solvent and a perfluoroethylene resin are added to the existing oil in the lubrication system of the engine in sufficient amounts to remove oil residue or varnish from the surfaces within the lubrication system, and to coat the surfaces with perfluoroethylene resin. The oil, solvent and perfluoroethylene resin are circulated throughout the lubrication system for a time sufficient to remove oil residue or varnish from the surfaces within the lubrication system of the engine, and to coat the surfaces with perfluoroethylene resin. The oil, solvent and residual perfluoroethylene resin are evacuated from the lubrication system of the engine, and an oil substantially devoid of metallic and chemical friction modifiers is added to the lubrication system of the engine.
    • 将内燃机的润滑系统从使用含有金属和化学摩擦改进剂的油的系统转化为基本上不含这种改性剂的油的方法。 在发动机的润滑系统中的现有油中加入溶剂和全氟乙烯树脂足以从润滑系统内的表面除去油残留物或清漆,并用全氟乙烯树脂涂覆表面。 油,溶剂和全氟乙烯树脂在整个润滑系统中循环一段时间,足以从发动机的润滑系统内的表面除去油残留物或清漆,并用全氟乙烯树脂涂覆表面。 油,溶剂和残留的全氟乙烯树脂从发动机的润滑系统排出,并且在发动机的润滑系统中添加基本上没有金属和化学摩擦改进剂的油。