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    • 12. 发明申请
    • PRESSURE CASTING OF ELECTRIC ROTORS
    • 电动机压力铸造
    • US20100243197A1
    • 2010-09-30
    • US12409726
    • 2009-03-24
    • Mark A. OsborneBarry L. PriemDale A. Gerard
    • Mark A. OsborneBarry L. PriemDale A. Gerard
    • H02K15/00H02K17/16
    • H02K15/02H02K17/165Y10T29/49012
    • A rotor for an induction motor and a method of preparing same. The method includes making a squirrel-cage rotor made up of a cage and a laminate stack by forming a mold around the stack, heating the stack and introducing a molten metal into the mold such that the molten metal substantially fills a space defined in the stack that corresponds to the cage. In one form, the space includes slots or related channels formed in the stack that upon filling with the molten metal become longitudinal bars that form electric current loops with end rings of the cage. By heating the stack and maintaining it at a temperature high enough to keep the molten metal in a substantially molten state at least long enough for it to flow through the slots of the stack, premature freezing of the molten metal is avoided. In addition, by providing low pressure to the molten metal in conjunction with the elevated temperature in the stack, flow is promoted to ensure a substantially porosity-free, fully dense squirrel-cage for the rotor.
    • 一种用于感应电动机的转子及其制备方法。 该方法包括通过在堆叠周围形成模具来制造由保持架和叠层叠层构成的鼠笼式转子,加热堆叠并将熔融金属引入模具中,使得熔融金属基本上填充在堆叠中限定的空间 对应于笼子。 在一种形式中,空间包括在堆叠中形成的槽或相关通道,在填充熔融金属时成为形成具有保持架的端环的电流回路的纵向条。 通过加热堆并将其保持在足够高的温度以将熔融金属保持在至少足够长的足够的熔融状态,以使其流过堆叠的槽,避免了熔融金属的过早冻结。 此外,通过与堆叠中的升高的温度一起向熔融金属提供低压,促进流动以确保用于转子的基本上无孔隙的完全密集的鼠笼。
    • 14. 发明申请
    • PISTON WITH BI-METALLIC DOME
    • 活动与双金属球
    • US20120180749A1
    • 2012-07-19
    • US13429778
    • 2012-03-26
    • Joseph C. KopchickMark A. Osborne
    • Joseph C. KopchickMark A. Osborne
    • F02F3/00B22D27/02B22D19/16
    • B22D19/0027B22D19/16F02F3/003F02F3/12F02F3/22F16J1/01
    • A piston with a cast bi-metallic dome feature and a method of making the piston. In one form, the piston is for use in a diesel engine, while in another, the piston is for use in a gasoline engine. The dome feature may include a laminate of a relatively high-temperature material (such as stainless steel) and a relatively low temperature material (such as aluminum or aluminum alloys) such that the portion of the dome made from the relatively high-temperature material is directly exposed to combustion within a cylinder into which the piston is placed. In another form, an aluminum coated stainless steel layer is used to form the dome. In one form, an ablation casting process may be used to manufacture the dome.
    • 具有铸造双金属圆顶特征的活塞和制造活塞的方法。 在一种形式中,活塞用于柴油发动机,而在另一种形式中,活塞用于汽油发动机。 圆顶特征可以包括相对高温材料(例如不锈钢)和相对低温的材料(例如铝或铝合金)的叠层,使得由相对高温材料制成的圆顶部分是 直接暴露于活塞放置在其中的气缸内的燃烧。 在另一种形式中,使用铝涂层的不锈钢层来形成圆顶。 在一种形式中,可以使用消融铸造工艺来制造圆顶。
    • 18. 发明授权
    • Methods of manufacturing induction rotors with conductor bars having high conductivity
    • 制造具有高导电性的导体棒的感应转子的方法
    • US08701270B2
    • 2014-04-22
    • US12691217
    • 2010-01-21
    • Qigui WangMark A. OsborneEugene C. Tuohy
    • Qigui WangMark A. OsborneEugene C. Tuohy
    • H02K15/02
    • H02K15/0012H02K17/165H02K17/18
    • Methods of making squirrel cage rotors of aluminum based material end rings joined with high conductive and durable material (such as copper) conductor bars for use in electric motors. The methods include forming conductor bars by casting or other metal forming methods in the slots of laminate steel stack, or positioning the preformed or premade solid conductor bars in the longitudinal slots of the stacked laminated steel, with bar ends extending out of the laminated steel stack ends, optionally coating the extended part of the conductors (bars) with a latent exoergic coating containing Al and one or more conductor bar chemical elements, positioning the laminated steel stack having conductors (bars) in a casting mold that forms the cavity of both end rings of the rotor, filling the end ring cavities with aluminum melt, and allowing the end rings to solidify under pressure. Alternatively, the conductor bars and end rings can be made separately and mechanically joined together.
    • 铝制材料端环的鼠笼式转子的方法与用于电动机的高导电耐用材料(例如铜)导体棒连接。 这些方法包括通过铸造或其他金属成形方法在叠层钢板堆叠的槽中形成导体棒,或者将预制或预制的实心导体棒定位在堆叠的层叠钢的纵向槽中,其中杆端延伸出层压钢堆 端部,任选地用包含Al和一个或多个导体条化学元素的潜在散热涂层涂覆导体(棒)的延伸部分,将具有导体(棒)的层压钢堆放置在形成两端空腔的铸模中 转子的环,用铝熔体填充端环腔,并允许端环在压力下固化。 或者,导体条和端环可以单独制造并且机械地连接在一起。
    • 20. 发明申请
    • METHODS OF MANUFACTURING INDUCTION ROTORS WITH CONDUCTOR BARS HAVING HIGH CONDUCTIVITY AND ROTORS MADE THEREBY
    • 使用具有高电导率的导体棒和转子制造感应转子的方法
    • US20110175484A1
    • 2011-07-21
    • US12691217
    • 2010-01-21
    • Qigui WangMark A. OsborneEugene C. Tuohy
    • Qigui WangMark A. OsborneEugene C. Tuohy
    • H02K17/16H02K15/02
    • H02K15/0012H02K17/165H02K17/18
    • Squirrel cage rotors of aluminum based material end rings joined with high conductive and durable material (such as copper) conductor bars for use in electric motors and methods of making them are described. The methods include forming conductor bars by casting or other metal forming methods in the slots of laminate steel stack, or positioning the preformed or premade solid conductor bars in the longitudinal slots of the stacked laminated steel, with bar ends extending out of the laminated steel stack ends, optionally coating the extended part of the conductors (bars) with a latent exoergic coating containing Al and one or more conductor bar chemical elements, positioning the laminated steel stack having conductors (bars) in a casting mold that forms the cavity of both end rings of the rotor, filling the end ring cavities with aluminum melt, and allowing the end rings to solidify under pressure. Alternatively, the conductor bars and end rings can be made separately and mechanically joined together.
    • 描述了用于电动马达的高导电耐用材料(例如铜)导体条和用于制造它们的方法的铝基材料端环的鼠笼转子。 这些方法包括通过铸造或其他金属成形方法在叠层钢板堆叠的槽中形成导体棒,或者将预制或预制的实心导体棒定位在堆叠的层叠钢的纵向槽中,其中杆端延伸出层压钢堆 端部,任选地用包含Al和一个或多个导体条化学元素的潜在散热涂层涂覆导体(棒)的延伸部分,将具有导体(棒)的层压钢堆放置在形成两端空腔的铸模中 转子的环,用铝熔体填充端环腔,并允许端环在压力下固化。 或者,导体条和端环可以单独制造并且机械地连接在一起。