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    • 2. 发明授权
    • Low sulfur nickel-base single crystal superalloy with PPM additions of lanthanum and yttrium
    • 低硫镍基单晶超合金,PPM添加镧和钇
    • US09150944B2
    • 2015-10-06
    • US12851111
    • 2010-08-05
    • Kenneth Harris
    • Kenneth Harris
    • C22C19/05
    • C22C19/057
    • A single crystal casting having substantially improved high-temperature oxidation resistance, hot corrosion (sulfidation) resistance, and resistance to creep under high temperature and high stress is characterized by an as-cast composition comprising a maximum sulfur content of 0.5 ppm by weight, a maximum phosphorus content of 20 ppm by weight, a maximum nitrogen content of 3 ppm by weight, a maximum oxygen content of 3 ppm by weight, and a combined yttrium and lanthanum content of 5-80 pm by weight. It has been discovered that careful control of the deleterious impurities, particularly sulfur, phosphorus, nitrogen and oxygen, in combination with a carefully controlled addition of yttrium and/or lanthanum provides unexpected improvements in corrosion and oxidation resistance, while also enhancing high-temperature, high-stress resistance to creep, without any detrimental effects on other mechanical properties, processing or producability, particularly castability.
    • 具有显着提高的高温抗氧化性,耐热腐蚀(耐硫化)性,耐高温和高应力下的蠕变性的单晶铸件的特征在于包含最大硫含量为0.5重量ppm的铸态组合物, 最大磷含量为20重量ppm,最大氮含量为3重量ppm,最大氧含量为3重量ppm,组合钇和镧含量为5-80微米。 已经发现,仔细控制有害杂质,特别是硫,磷,氮和氧,结合仔细控制的钇和/或镧添加,提供了耐腐蚀和抗氧化性的意想不到的改进,同时还提高了高温, 高应力耐蠕变性,对其他机械性能,加工或可生产性,特别是浇注性没有任何不利影响。
    • 9. 发明授权
    • Flow path for a liquid cooled alternator
    • 液冷式交流发电机的流路
    • US06680552B2
    • 2004-01-20
    • US10056930
    • 2002-01-24
    • David William LindenKevin Roy HarpenauRichard Kenneth HarrisSteven John Yockey
    • David William LindenKevin Roy HarpenauRichard Kenneth HarrisSteven John Yockey
    • H02K906
    • H02K9/19H02K5/20
    • An alternator includes an inner housing and an outer housing. A pair of o-rings positioned therebetween create a sealed flow chamber having a first flow channel, a second flow channel and an axial passageway. The first flow channel is a disk shaped cavity extending diametrically across the alternator. The second flow channel forms an annular jacket extending entirely around the alternator. The axial passageway directs coolant axially from the first flow channel into the second flow channel. An inlet positioned diametrically across from the axial passageway allows coolant to enter the first flow channel, such that coolant entering the inlet must flow diametrically across the alternator to reach the axial passageway. An outlet positioned diametrically across from the axial passageway allows coolant to exit the flow chamber, such that coolant entering the second flow channel must travel annularly around the alternator to reach the outlet.
    • 交流发电机包括内壳体和外壳体。 位于其间的一对O形环形成具有第一流动通道,第二流动通道和轴向通道的密封流动室。 第一流动通道是沿着交流发电机沿径向延伸的盘形腔。 第二流动通道形成完全围绕交流发电机延伸的环形护套。 轴向通道将冷却剂从第一流动通道引导至第二流动通道。 从轴向通道径向对准的入口允许冷却剂进入第一流动通道,使得进入入口的冷却剂必须沿直径跨越交流发电机流动到达轴向通道。 从轴向通道直径地布置的出口允许冷却剂离开流动室,使得进入第二流动通道的冷却剂必须环绕交流发电机环行进到出口。
    • 10. 发明授权
    • Alternator bearing sleeve, brush holder, and cap system
    • 发电机轴承套,电刷架和盖系统
    • US06215211B1
    • 2001-04-10
    • US09307441
    • 1999-05-10
    • Richard Kenneth HarrisSteven John Yockey
    • Richard Kenneth HarrisSteven John Yockey
    • H02K104
    • H02K5/141H01R39/38H02K5/161
    • An assembly (30) for use with a rotating electric machine has a first injection-molded plastic part (32), a second injection-molded plastic part (34), and a third injection-molded plastic part (36). Parts (32, 34) are a bearing sleeve and a brush holder respectively, while part (36) is a cap. The bearing sleeve has a transverse wall (138) from which channels (146, 148) extend in one direction. A cylindrical wall extends in the other direction to form a bearing cup (136) for receiving a bearing assembly. The brush holder has two side-by-side brush guides (62, 64) each containing a respective brush (38, 40). It also has two channels (110, 112) that interlock with the channels of the bearing sleeve to accurately and rigidly place the two parts (32, 34) in assembly. The cap closes an axial end of the bearing sleeve and attaches to the brush holder. The parts are further characterized by various structural features, as well as fabrication and assembly methods.
    • 一种与旋转电机一起使用的组件(30)具有第一注模塑料部件(32),第二注模塑料部件(34)和第三注模塑料部件(36)。 部件(32,34)分别是轴承套和刷夹,而部分(36)是帽。 轴承套筒具有横向壁(138),通道(146,148)在该横向壁(138)上沿一个方向延伸。 圆柱形壁沿另一方向延伸以形成用于接收轴承组件的轴承杯(136)。 刷持器具有两个并排的刷子引导件(62,64),每个刷子引导件包含相应的刷子(38,40)。 它还具有两个通道(110,112),其与轴承套管的通道互锁以精确且刚性地将两个部件(32,34)放置在组装中。 盖封闭轴承套的轴向端并连接到电刷架上。 这些部件的特征还在于各种结构特征以及制造和装配方法。