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    • 1. 发明申请
    • METHOD, MOLD, AND MOLD SYSTEM FOR FORMING ROTORS
    • 用于形成转子的方法,模具和模具系统
    • US20110284138A1
    • 2011-11-24
    • US12785796
    • 2010-05-24
    • Michael J. WalkerAnil K. SachdevThomas A. PerryMark A. OsbornePaul Boone
    • Michael J. WalkerAnil K. SachdevThomas A. PerryMark A. OsbornePaul Boone
    • B22D23/00B22D30/00B22D27/04B22C9/18B22C9/22
    • B22D19/0054B22C9/18B22C9/22
    • A mold for forming a plurality of rotors includes a plurality of lamination stacks, wherein each lamination stack defines at least one void therethrough; a tube having a central longitudinal axis, wherein each lamination stack is concentrically spaced apart from the tube to define a channel therebetween; a plurality of washers each having a shape defined by a first diameter and a second diameter that is greater than the first diameter, wherein each washer is configured to concentrically abut the tube and define a feed conduit interconnecting with the channel; and a shell disposed in contact with each lamination stack and concentrically spaced apart from each washer to define a plurality of ducts, wherein each duct is interconnected with the at least one void of at least one lamination stack. A mold system and a method of forming a plurality of rotors are also described.
    • 用于形成多个转子的模具包括多个层压叠层,其中每个层压叠层限定穿过其中的至少一个空隙; 具有中心纵向轴线的管,其中每个层压叠层与所述管同心地间隔开以限定其间的通道; 多个垫圈,每个垫圈具有由第一直径和第二直径限定的形状,该第一直径和第二直径大于第一直径,其中每个垫圈构造成同心地邻接管并限定与该通道相互连接的进料导管; 以及外壳,其与每个叠片堆叠接触并且与每个垫圈同心地间隔开以限定多个管道,其中每个管道与至少一个层压叠层的至少一个空隙互连。 还描述了形成多个转子的模具系统和方法。
    • 2. 发明授权
    • Method, mold, and mold system for forming rotors
    • 用于成型转子的方法,模具和模具系统
    • US08312914B2
    • 2012-11-20
    • US12785796
    • 2010-05-24
    • Michael J. WalkerAnil K. SachdevThomas A. PerryMark A. OsbornePaul Boone
    • Michael J. WalkerAnil K. SachdevThomas A. PerryMark A. OsbornePaul Boone
    • B22D19/00B22D19/04
    • B22D19/0054B22C9/18B22C9/22
    • A mold for forming a plurality of rotors includes a plurality of lamination stacks, wherein each lamination stack defines at least one void therethrough; a tube having a central longitudinal axis, wherein each lamination stack is concentrically spaced apart from the tube to define a channel therebetween; a plurality of washers each having a shape defined by a first diameter and a second diameter that is greater than the first diameter, wherein each washer is configured to concentrically abut the tube and define a feed conduit interconnecting with the channel; and a shell disposed in contact with each lamination stack and concentrically spaced apart from each washer to define a plurality of ducts, wherein each duct is interconnected with the at least one void of at least one lamination stack. A mold system and a method of forming a plurality of rotors are also described.
    • 用于形成多个转子的模具包括多个层压叠层,其中每个层压叠层限定穿过其中的至少一个空隙; 具有中心纵向轴线的管,其中每个层压叠层与所述管同心地间隔开以限定其间的通道; 多个垫圈,每个垫圈具有由第一直径和第二直径限定的形状,该第一直径和第二直径大于第一直径,其中每个垫圈构造成同心地邻接管并限定与该通道相互连接的进料导管; 以及外壳,其与每个叠片堆叠接触并且与每个垫圈同心地间隔开以限定多个管道,其中每个管道与至少一个层压叠层的至少一个空隙互连。 还描述了形成多个转子的模具系统和方法。
    • 4. 发明授权
    • Centrifugally-cast shorted structure for induction motor rotors
    • 感应电机转子的离心铸造短路结构
    • US08347485B2
    • 2013-01-08
    • US12704812
    • 2010-02-12
    • Scott W. BiedermanMark A. OsborneMichael J. WalkerThomas A. Perry
    • Scott W. BiedermanMark A. OsborneMichael J. WalkerThomas A. Perry
    • H02K15/02
    • B22C9/04B22D13/06H02K15/0012Y10T29/49009Y10T29/49012
    • A procedure for centrifugally casting a shorted structure around induction motor rotors is described. The method is commonly applied to a plurality of rotors disposed and arranged for rotational balance and supported on a suitable support, or optionally, on a plurality of supports arranged in layered fashion about a common rotational axis. The method comprises forming a wax representation of the shorted structure around a lamination stack; mounting a plurality of such lamination stacks in a mounting fixture and-attaching a suitable gating and runner system; forming an investment by coating the structure with refractory followed by melting out the wax; casting molten metal into the investment while it is rotating and aligning the mold to allow the centrifugal force generated to promote mold filling; and, continuing to rotate the investment until solidification is substantially complete.
    • 描述了一种在感应电动机转子周围离心铸造短路结构的步骤。 该方法通常应用于设置和布置成用于旋转平衡的多个转子,并被支撑在合适的支撑件上,或者可选地,在围绕公共旋转轴线以分层方式布置的多个支撑件上。 该方法包括在叠片叠层周围形成短路结构的蜡表示; 将多个这样的层压叠层安装在安装夹具中并附接合适的浇注和浇道系统; 通过用耐火材料涂覆结构形成投资,然后熔化蜡; 将熔融金属铸造成投资,同时旋转并对准模具以允许产生的离心力促进模具填充; 并继续转移投资,直到凝固基本完成。
    • 6. 发明申请
    • Lubeless Valve Assembly For Engine
    • 用于发动机的无油阀组件
    • US20120199093A1
    • 2012-08-09
    • US13020336
    • 2011-02-03
    • Edward P. BeckerAnil K. SachdevEmerson J. AdamsThomas A. Perry
    • Edward P. BeckerAnil K. SachdevEmerson J. AdamsThomas A. Perry
    • F01L3/00
    • F01L3/08F01L2101/00
    • A valve assembly includes a tubular valve stem guide and a valve having a valve stem slidable in the bore of the valve stem guide. A lower valve stem seal has an annular body surrounding the valve stem and a skirt sealing with the valve stem guide. An upper valve stem seal has an annular body sealingly mounted on the valve stem and a skirt portion overlapping with the annular body of the lower valve stem seal during the reciprocating movement of the valve stem so that the upper and lower valve stem seals cooperate to prevent flow of oil to the bore of the valve stem guide. The valve stem is coated with a diamond-like carbon coating or a hard nitride coating, and the valve stem guide is of powered metal construction with approximately 1% by weight solid lubricant such as molybdenum disulfide or tungsten disulfide.
    • 阀组件包括管状阀杆引导件和具有可在阀杆引导件的孔中滑动的阀杆的阀。 下阀杆密封件具有围绕阀杆的环形主体和与阀杆引导件密封的裙部。 上阀杆密封件具有密封地安装在阀杆上的环形体和在阀杆的往复运动期间与下阀杆密封件的环形体重叠的裙部部分,使得上阀杆和下阀杆密封件配合以防止 油流到阀杆引导件的孔中。 阀杆涂有类金刚石碳涂层或硬质氮化物涂层,阀杆引导件是具有约1重量%固体润滑剂如二硫化钼或二硫化钨的动力金属结构。
    • 7. 发明授权
    • Sealed split ring crankshaft bearing
    • 密封圈环曲轴轴承
    • US08002473B2
    • 2011-08-23
    • US12130034
    • 2008-05-30
    • Edward P. BeckerAnil K. SachdevEmerson J. AdamsThomas A. Perry
    • Edward P. BeckerAnil K. SachdevEmerson J. AdamsThomas A. Perry
    • F16C33/76F16C9/00
    • F16C9/04F16C19/26F16C33/76
    • A crankshaft has spaced-apart cheeks and a cylindrical surface between the cheeks. A split ring bearing assembly has first and second bearing parts that join to encircle the cylindrical surface. First and second split ring seal assemblies each have first and second seal parts that join to encircle and sealingly contact with the cylindrical surface on each side of the split ring bearing assembly. A journal includes a first and second journal halves having cylindrical recesses receiving the crankshaft so that the split ring bearing assembly bears upon the journal and the first and second split ring seal assemblies sealingly contact with the journal halves. A lube fill fitting is provided in the journal for the introduction of lubricant which is permanently sequestered between the first and second split ring seal assemblies to provide sealed lubrication of the split ring bearing assemblies.
    • 曲轴具有间隔开的面颊和两颊之间的圆柱形表面。 开口环轴承组件具有连接以包围圆柱形表面的第一和第二轴承部件。 第一和第二开口环密封组件各自具有第一和第二密封部分,该第一和第二密封部分连接以围绕和密封地接触在分离环轴承组件的每一侧上的圆柱形表面。 轴颈包括具有容纳曲轴的圆柱形凹槽的第一和第二轴颈半部,使得开口环支承组件承载在轴颈上,并且第一和第二分隔环密封组件与轴颈半部密封接触。 润滑油填充配件设置在轴颈中,用于引入润滑剂,其被永久地隔离在第一和第二分裂环密封组件之间,以提供开口环轴承组件的密封润滑。
    • 9. 发明申请
    • SACRIFICIAL SLEEVES FOR DIE CASTING ALUMINUM ALLOYS
    • 用于铝合金铸造的特殊工具
    • US20090260774A1
    • 2009-10-22
    • US12103755
    • 2008-04-16
    • Jongcheol ShinJongwon B. ParkInwook HwangBob R. Powell, JR.Thomas A. PerryAnil K. SachdevJon T. Carter
    • Jongcheol ShinJongwon B. ParkInwook HwangBob R. Powell, JR.Thomas A. PerryAnil K. SachdevJon T. Carter
    • B22D29/00
    • B22D15/02B22D19/0009B22D21/04
    • Some die cast aluminum alloy articles have internal cylindrical surfaces such as the round internal cylinder surfaces of a cylinder block for an internal combustion engine. During casting solidification molten aluminum alloys shrink against the metallic permanent mold tools used to mold and define such internal surfaces, and tend to stick to the tool surfaces making it difficult to remove the casting. The tendency of some aluminum casting alloys to solder to the tool can further intensify sticking. In this invention, an aluminum alloy sleeve is placed on and over the tool surface before casting and the sleeve isolates the tool from the molten aluminum. The sleeve becomes bonded to the casting and facilitates removal of the casting from the tool. The sleeve may be (and preferably is) fully machined from the internal casting surface. The sleeve may be of the same composition as the casting, in which case handling and recycling of machining chips would be facilitated. The practice of the invention is also applicable to die casting of magnesium alloys using magnesium sacrificial sleeves.
    • 一些压铸铝合金制品具有诸如用于内燃机的气缸体的圆形内圆柱表面的内圆柱表面。 在铸造凝固期间,熔融铝合金收缩用于模制和限定这种内表面的金属永久模具,并且倾向于粘附到工具表面,使得难以移除铸件。 一些铝铸造合金焊接到工具的趋势可以进一步加剧粘附。 在本发明中,铝合金套筒在铸造之前放置在工具表面上和上方,并且套筒将工具与熔融铝隔离开。 套筒粘合到铸件上并便于从工具中移除铸件。 套筒可以(并且优选地)从内部铸造表面完全加工。 套筒可以具有与铸件相同的组成,在这种情况下,加工芯片的处理和回收将被促进。 本发明的实践也适用于使用镁牺牲套管的镁合金压铸。