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    • 3. 发明申请
    • SLIDING PAIRING FOR MACHINE PARTS THAT ARE SUBJECTED TO THE ACTION OF HIGHLY PRESSURIZED AND HIGH-TEMPERATURE STEAM, PREFERABLY FOR PISTON-CYLINDER ASSEMBLIES OF STEAM ENGINES
    • 水蒸气在高温高压下LEVEL摩擦配对行动地区,尤其是蒸汽机对接缸地层
    • WO02099319A3
    • 2003-02-20
    • PCT/DE0201968
    • 2002-05-29
    • SGL CARBON AGTEA GMBHHOETGER MICHAELKLEEMANN JENSRIEPE AXELTHIELE WALTER
    • HOETGER MICHAELKLEEMANN JENSRIEPE AXELTHIELE WALTER
    • F01B17/04F16J1/02F16J10/04
    • F01B17/04F05C2203/0882F16J1/02F16J10/04Y10T428/12326
    • The invention relates to sliding pairings for machine parts that are subjected to the action of highly pressurized and high-temperature steam, preferably for piston-cylinder assemblies of steam engines. The sliding pairings consist of a first sliding element that was made from a synthetic, fired, but not graphitized, carbon material containing, as an essential filler, graphitized soot coke and/or natural graphite, and whose pores are filled with metal, a metal alloy, a ceramic material, a synthetic resin and/or pitch that was carbonated, preferably in the form of a piston and/or piston ring. The sliding pairings also consist of a second sliding element, preferably provided in the form of a cylinder bush or guide bush made of an iron-containing high-temperature material, which is preferably alloyed with chrome and/or nickel and which, at least on the sliding surface, is provided with a nitrating layer, of a light metal alloy, a material, which is produced using powder metallurgy and which contains iron or steel and titanium carbides, of a ceramic composite, a carbon material, which at least contains graphites, or of a sintered hard metal or with a sliding layer made of hard metal. The inventive sliding pairings function with a low level of wear, in particular, also when subjected to the action of supercritical steam and, preferably, even when subjected to the action of water.
    • 本发明涉及一种用于水蒸汽轴承在高压和温度水平在机械零件,蒸汽机优选活塞 - 缸体装置采取行动。 在此,轴承由第一滑动构件,其由合成的,烧制而不是石墨化,其包含石墨作为主要填料碳黑焦炭和/或天然石墨,以及与金属的孔隙,金属合金,陶瓷,合成树脂的碳材料的,和/ 合金或节距已经碳化,被填充时,优选地在活塞和/或活塞环,并且第二滑动元件的形式,优选地在圆柱体或导衬套的形式,从,最好用铬和/或镍,高耐热材料,所述含一 提供了至少在滑动表面上用含有轻金属合金的氮化层,通过粉末冶金,铁或钢和钛的碳化物,陶瓷复合材料,碳材料,其包括至少基本上石墨,或烧结的硬金属或米制成的材料 它硬金属制成的滑动层。 新颖的配对工作,包括超临界水蒸汽的应用并且优选地还在水中的磨损的应用。