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    • 41. 发明申请
    • MAGNESIUM-CONTAINING, ALUMINUM-BASED ALLOY FOR THIN-WALL CASTINGS
    • 用于薄壁铸造的含镁铝合金
    • WO2017210916A1
    • 2017-12-14
    • PCT/CN2016/085388
    • 2016-06-10
    • GM GLOBAL TECHNOLOGY OPERATIONS LLCHU, Bin
    • HU, BinWANG, Pan
    • C22C21/08
    • C22C21/08B22D17/00B22D21/007C22F1/047
    • An aluminum-magnesium alloy is disclosed which provides superior properties for casting in steel dies and good ductility for forming castings of complex shapes, including thin-wall portions. The aluminum-based alloy contains, in weight percent, about 2-15 percent magnesium, 0.2 to 3 percent silicon, 0.05 to 0.5 percent chromium, 0.05 to 0.5 percent manganese, 0.05 to 0.2%titanium, and a minimal content of iron. In its molten state this aluminum-magnesium-chromium alloy can be pushed into the molding cavities of iron-based dies in a high pressure die casting procedure and conform to complexly-shaped die surfaces with thin cavity portions without dissolving appreciable amounts of iron or experiencing die soldering on the die surfaces. The resulting castings display good strength and ductility and can be further enhanced by an artificial aging process after solution heat treatment.
    • 公开了一种铝 - 镁合金,其提供了用于在钢模具中铸造的优良性能和用于形成包括薄壁部分的复杂形状的铸件的良好延展性。 铝基合金以重量百分比计含有约2-15%的镁,0.2-3%的硅,0.05-0.5%的铬,0.05-0.5%的锰,0.05-0.2%的钛和最少量的铁。 在熔融状态下,这种铝 - 镁 - 铬合金可以在高压压铸过程中被推入铁基模具的型腔中,并且符合具有薄型腔部分的复杂形状的模具表面,而不会溶解可观量的铁或经历 模具焊接在模具表面上。 得到的铸件表现出良好的强度和延展性,并且可以通过固溶热处理后的人工老化过程进一步增强。
    • 44. 发明申请
    • ADDITIVE FOR NON-AQUEOUS ELECTROLYTE
    • 非水电解质添加剂
    • WO2017120887A1
    • 2017-07-20
    • PCT/CN2016/071015
    • 2016-01-15
    • GM GLOBAL TECHNOLOGY OPERATIONS LLCDENG, Shawn
    • DENG, Shawn
    • H01M10/0567H01M10/05
    • H01M10/052H01M10/0567H01M10/0568H01M10/0569
    • A non-aqueous electrolyte includes a solvent, a lithium salt, and an additive selected from: formulas, and combinations thereof. R 1 , R 2 , and R 3 are independently selected from: a linear or branched alkyl having a formula C n H 2n+1 (n ranges from 1 to 20); a linear or branched alkoxyl having a formula C n H 2n+1 O (n ranges from 1 to 20); a linear or branched either having a formula C n H 2n+1 OC m H 2m (n and m each range from 1 to 10); phenyl; a mono-substituted phenyl with one linear or branched alkyl having a formula C n H 2n+1 (n ranges from 1 to 20); a di-substituted phenyl with two linear or branched alkyls, each alkyl having a formula C n H 2n+1 (n ranges from 1 to 20); a tri-substituted phenyl with three linear or branched alkyls, each alkyl having a formula C n H 2n+1 (n ranges from 1 to 20); and combinations thereof. X, Y, and Z are halides.
    • 非水电解质包括溶剂,锂盐和选自以下的添加剂:配方,以及它们的组合。 R 1,R 2和R 3独立地选自:具有式C n的线性或支化烷基, sub> 2n + 1(n的范围从1到20); 具有式C n H n 2n + 1 O(n的范围为1至20)的直链或支链烷氧基; 具有式C n H n 2n + 1 OC m H 2m(n和m)的直链或支链 每个范围从1到10); 苯基; 具有一个式C n H 2n + 1(n为1至20)的直链或支链烷基的单取代苯基; 具有两个直链或支链烷基的二取代苯基,每个烷基具有式C n H 2n + 1(n的范围为1至20); 具有三个直链或支链烷基的三取代苯基,每个烷基具有式C n H 2n + 1(n的范围为1至20); 以及它们的组合。 X,Y和Z是卤化物。
    • 46. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING OPERATION OF AN INTERNAL COMBUSTION ENGINE
    • 控制内燃机运行的方法和装置
    • WO2017095412A1
    • 2017-06-08
    • PCT/US2015/063683
    • 2015-12-03
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • IDICHERIA, Cherian A.YUN, HanhoNAJT, Paul M.
    • F02P3/01F02P9/00F02B1/06F02B3/04
    • F02B1/06F02P3/01F02P9/00
    • An internal combustion engine includes a combustion chamber defined by a cylinder bore in a cylinder block, a cylinder head and a piston. A groundless barrier discharge plasma igniter including an electrode is embedded in a casing fabricated from a dielectric material and is disposed in a mounting boss. The groundless barrier discharge plasma igniter has a tip portion that protrudes through an opening in the cylinder head into the combustion chamber. A controller having an electrical ground connection to the cylinder head is configured to apply a high frequency electrical pulse to the groundless barrier discharge plasma igniter. An electrical ground path is formed between the mounting boss and the cylinder head. A plurality of plasma discharge streamers is generated on the casing between the tip portion and the mounting boss when the controller applies the high frequency electrical pulse to the groundless barrier discharge plasma igniter.
    • 内燃机包括由气缸体中的气缸孔,气缸盖和活塞限定的燃烧室。 包括电极的无基础阻挡放电等离子体点火器被嵌入由介电材料制成的外壳中并且被设置在安装凸台中。 无源阻挡放电等离子体点火器具有顶端部分,该顶端部分穿过气缸盖中的开口伸入燃烧室中。 具有到汽缸盖的电接地连接的控制器被配置为将高频电脉冲施加到无源屏障放电等离子体点火器。 在安装凸台和气缸盖之间形成电气接地路径。 当控制器将高频电脉冲施加到无源屏障放电等离子体点火器时,在尖端部分和安装凸台之间的壳体上产生多个等离子体放电拖缆。
    • 47. 发明申请
    • ULTRA-VACUUM HIGH PRESSURE DIE CASTING PROCESS, AND SYSTEM THEREFORE
    • 超高真空高压压铸工艺及其系统
    • WO2017066951A1
    • 2017-04-27
    • PCT/CN2015/092521
    • 2015-10-22
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • HU, BinWANG, Pan
    • B22D17/14B22D17/20
    • B22D17/145
    • A method of casting an article includes closing a die set (22), which defines a casting cavity (30) and a gate cavity (32). A pressure actuated valve (54) is closed to block fluid communication between the casting cavity (30) and the gate cavity (32). A vacuum system (34) is engaged to remove air and form a vacuum in the casting cavity (30). A molten material (46) is introduced into the gate cavity (32). The molten material (46) is compressed in the gate cavity (32) to increase a fluid pressure of the molten material (46). The pressure actuated valve (54) is opened when the fluid pressure of the molten material (46) in the gate cavity (32) reaches a predefined pressure level, to allow fluid communication between the gate cavity (32) and the casting cavity (30). The molten material (46) is pushed through the gate cavity (32) and into the casting cavity (30) under pressure to form the article (28). A die casting system (20) is also disclosed. The method allows the vacuum system (34) to remove more air and gasses from the casting cavity (30), prior to the molten material (46) being introduced into the casting cavity (30), thereby reducing porosity in the final cast article (28).
    • 铸造物品的方法包括关闭限定铸造腔体(30)和浇口腔(3​​2)的模具组(22)。 压力致动阀(54)关闭以阻止铸腔(30)和浇口腔(3​​2)之间的流体连通。 真空系统(34)被接合以去除空气并且在铸造腔(30)中形成真空。 熔融材料(46)被引入浇口腔(3​​2)。 熔融材料(46)在浇口腔(3​​2)中被压缩以增加熔融材料(46)的流体压力。 当浇口腔体(32)中的熔融材料(46)的流体压力达到预定压力水平时,压力致动阀(54)打开,以允许浇口腔体(32)和浇注腔体(30) )。 熔融材料(46)在压力下被推动通过浇口腔(3​​2)并进入铸腔(30)中以形成制品(28)。 压铸系统(20)也被公开。 该方法允许真空系统(34)在将熔融材料(46)引入铸造腔体(30)之前从铸造腔体(30)移除更多空气和气体,从而降低最终铸造制品中的孔隙率 28)。