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    • 3. 发明申请
    • TURBOCHARGER
    • 涡轮增压器
    • US20110206500A1
    • 2011-08-25
    • US13127514
    • 2009-11-05
    • Kenichi NagaoIsao MoritaSatomi UnnoHiroki Ono
    • Kenichi NagaoIsao MoritaSatomi UnnoHiroki Ono
    • F04D29/56
    • F01D17/165F01D5/141F02B37/24F02C6/12F05D2220/40F05D2250/292F05D2250/314F05D2250/71
    • A variable capacity type turbocharger is provided including: a bearing housing which rotatably supports a turbine impeller; a turbine housing which has a scroll passageway formed therein to supply an exhaust gas to the turbine impeller; and an exhaust nozzle which changes a flow rate and a stream angle of the exhaust gas supplied from the scroll passageway to the turbine impeller, wherein the exhaust nozzle includes a pair of exhaust introduction walls forming a passageway of the exhaust gas and a plurality of nozzle vanes disposed between the pair of exhaust introduction walls and supported to be rotatable about the turbine impeller, and wherein each nozzle vane includes a high-pressure wall surface facing the scroll passageway, the bearing housing side of the high-pressure wall surface is provided to be closer to the turbine impeller than the turbine housing side thereof, and when the turbine impeller rotates, the nozzle vane moves toward the turbine housing or is pressed toward the turbine housing side of the exhaust introduction wall so as to narrow a gap between the nozzle vane and the turbine housing side of the exhaust introduction wall among the pair of exhaust introduction walls.
    • 可变容量型涡轮增压器包括:可转动地支撑涡轮叶轮的轴承壳体; 涡轮机壳体,其具有形成在其中的涡旋通道,以将废气供应到涡轮机叶轮; 以及排气喷嘴,其将从涡旋通路供给的废气的流量和流角改变为涡轮叶轮,其中,排气喷嘴包括形成排气通道的一对排气引入壁和多个喷嘴 叶片设置在一对排气引入壁之间,并被支撑为可围绕涡轮机叶轮旋转,并且其中每个喷嘴叶片包括面向涡旋通道的高压壁面,高压壁面的轴承箱侧设置成 比涡轮机壳体侧更靠近涡轮机叶轮,并且当涡轮机叶轮旋转时,喷嘴叶片朝向涡轮机壳体移动或者被朝向排气引入壁的涡轮机壳体侧挤压,以便缩小喷嘴之间的间隙 在一对排气引入壁之间的排气引入壁的叶片和涡轮机壳体侧。
    • 4. 发明授权
    • Turbocharger
    • 涡轮增压器
    • US08807926B2
    • 2014-08-19
    • US13127514
    • 2009-11-05
    • Kenichi NagaoIsao MoritaSatomi UnnoHiroki Ono
    • Kenichi NagaoIsao MoritaSatomi UnnoHiroki Ono
    • F01D17/16
    • F01D17/165F01D5/141F02B37/24F02C6/12F05D2220/40F05D2250/292F05D2250/314F05D2250/71
    • A variable capacity type turbocharger includes a bearing housing which rotatably supports a turbine impeller; a turbine housing; and an exhaust nozzle, wherein the exhaust nozzle includes a pair of exhaust introduction walls forming a passageway of the exhaust gas and a plurality of nozzle vanes disposed between the pair of exhaust introduction walls and supported to be rotatable about the turbine impeller, and wherein each nozzle vane includes a high-pressure wall surface facing the scroll passageway, the bearing housing side of the high-pressure wall surface is provided to be closer to the turbine impeller than the turbine housing side thereof, and when the turbine impeller rotates, the nozzle vane moves toward the turbine housing.
    • 可变容量型涡轮增压器包括可旋转地支撑涡轮叶轮的轴承壳体; 涡轮机壳体; 和排气喷嘴,其中所述排气喷嘴包括形成所述废气通道的一对排气引入壁和设置在所述一对排气引入壁之间并被支撑为能够围绕所述涡轮机叶轮旋转的多个喷嘴叶片,并且其中每个 喷嘴叶片包括面向涡旋通道的高压壁面,高压壁面的轴承壳侧设置成比涡轮壳体侧更靠近涡轮机叶轮,并且当涡轮叶轮旋转时,喷嘴 叶片向涡轮机壳体移动。