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    • 2. 发明授权
    • Sliding member having a novel pore structure on the sliding surface
thereof
    • 滑动构件在其滑动表面上具有新的孔结构
    • US4509803A
    • 1985-04-09
    • US548760
    • 1983-11-04
    • Akira TakenakaKeiichi ShimasakiYasumitsu Kuwazuru
    • Akira TakenakaKeiichi ShimasakiYasumitsu Kuwazuru
    • B22F5/00F16C33/12
    • F16C33/12F16C2204/20F16C2204/60Y10S384/902Y10S384/907Y10T29/49707
    • The present invention relates to a sliding member having a novel micropore structure and an improved seizure resistance and seal property. Conventionally, the surface roughness of a sliding member is defined by, for example, maximum and/or average roughness. In the present invention, first, there is prepared a sliding member which has a hardness of at least HRc 50 and has micropores for determining the surface roughness of the sliding surface thereof, wherein the micropores, when measured with a particle counter, are present essentially in an amount ranging from 5% to 40% based on an area of the sliding surface and ranging from 2,000 to 150,000 per mm.sup.2 on the sliding surface and have a diameter of at least 0.5 .mu.m. A top portion of ridges which define the micropores is slightly rounded, thereby providing flat or round configuration in terms of the relative load curve, the relative load curve being defined by the accumulative percentage (t.sub.k) and the cutting depth (CV.sub.k) and the accumulative percentage (t.sub.k) being both: an accumulative percentage (t.sub.k) of 5% or less at a cutting depth (CV.sub.k) of less than 1 .mu.m and an accumulative percentage (t.sub.k) of more than 5% but less than 40% at a cutting depth of less than 0.5 .mu.m.
    • 本发明涉及一种具有新型微孔结构和改善的耐咬住性和密封性的滑动构件。 通常,滑动构件的表面粗糙度由例如最大和/或平均粗糙度来定义。 在本发明中,首先,制备硬度至少为HRc 50的滑动部件,并具有用于确定其滑动面的表面粗糙度的微孔,其中,当用粒子计数器测量时,微孔本质上存在 基于滑动面的面积为5〜40%,滑动面为2000〜150,000 / mm 2,直径为0.5μm以上。 限定微孔的脊的顶部略微圆化,从而根据相对载荷曲线提供平坦或圆形的构造,相对载荷曲线由累积百分比(tk)和切割深度(CVk)定义,累积的 百分比(tk)均为:切割深度(CVk)小于1微米的累积百分比(tk)为5%以下,累积百分比(tk)大于5%但小于40% 切割深度小于0.5亩。
    • 4. 发明授权
    • Mechanical face seal with minute pores in sliding surface
    • 机械面密封,滑动表面有微小孔
    • US4416458A
    • 1983-11-22
    • US419575
    • 1982-09-17
    • Akira TakenakaKeiichi ShimazakiYasumitsu Kuwazuru
    • Akira TakenakaKeiichi ShimazakiYasumitsu Kuwazuru
    • F16J15/34F16J15/20
    • F16J15/3412
    • A mechanical seal having a fixed member airtightly fixed along the outer circumference thereof in a bearing house formed in the housing of a compressor, a support member mounted on the rotary shaft of the compressor received through the bearing house and supported rotatably in the housing, a rotary member airtightly mounted along the inner circumference thereof on the rotary shaft and a spring disposed between the rotary member and the support member to press the rotary member against the fixed member in the axial direction. The sliding surface of the rotary member to be in sliding contact with the sliding surface of the fixed member has a hardness of Hv 350 and above and minute pores of 30 .mu.m and less in maximum major diameter to retain lubricating oil therein so that the housing of the compressor is sealed to prevent leakage of the gas and the lubricating oil contained within the housing through the bearing house.
    • 一种机械密封件,其具有固定部件,该固定部件形成在压缩机的壳体中的轴承室中沿着其外周气密地固定的固定部件,安装在压缩机的旋转轴上的支撑部件,所述支撑部件通过所述轴承室容纳并可旋转地支撑在所述壳体中, 旋转构件沿其内周面气密地安装在旋转轴上,弹簧设置在旋转构件和支撑构件之间,以沿轴向将旋转构件压靠固定构件。 旋转部件滑动接触固定部件的滑动面的滑动面的硬度为Hv350以上,最大长径为30μm以下的微细孔,保持润滑油,使壳体 压缩机被密封以防止通过轴承室泄漏容纳在壳体内的气体和润滑油。