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    • 3. 发明公开
    • VARIABLE GEOMETRY ASSEMBLY FOR A TURBOMACHINE AND TURBOMACHINE COMPRISING SAID ASSEMBLY
    • 用于包含所述装配的涡轮机和涡轮机的可变几何组件
    • EP3258068A1
    • 2017-12-20
    • EP17175524.2
    • 2017-06-12
    • Nuovo Pignone Tecnologie SrL
    • FLORINDO, Federico
    • F01D17/14F01D17/16
    • F01D17/165F01D17/143F02C6/12F04D29/462F05D2220/40F05D2240/128
    • A variable geometry assembly for modulating a fluid flow in a turbomachine is disclosed. The assembly comprises: a first ring (33; 133) having a plurality of first wedge-shaped elements (37; 137) and having an axis (A-A); a second ring (35; 135) having a plurality of second wedge-shaped elements (39; 139) and having an axis (A-A). The second ring is substantially coaxial to the first ring. The second wedge-shaped elements (39; 139) co-act with the first wedge-shaped elements (37; 137). Flow passages (41) are defined between pairs of sequentially arranged first wedge-shaped elements (37; 137) and second wedge-shaped elements (39; 139). The first ring (33; 133) and the second ring (35; 135) are angularly displaceable one with respect to the other. Moreover, the first ring (33; 133) and the second ring (35; 135) are configured to move axially with respect to one another when the first ring and the second ring are angularly displaced one with respect to the other.
    • 公开了一种用于调制涡轮机中的流体流动的可变几何形状组件。 该组件包括:第一环(33; 133),其具有多个第一楔形元件(37; 137)并具有轴线(A-A); 具有多个第二楔形元件(39; 139)并且具有轴线(A-A)的第二环(35; 135)。 第二环基本上与第一环同轴。 第二楔形元件(39; 139)与第一楔形元件(37; 137)共同作用。 流动通道(41)限定在成对的顺序布置的第一楔形元件(37; 137)和第二楔形元件(39; 139)之间。 第一环(33; 133)和第二环(35; 135)可相对于另一个角位移一次。 此外,第一环(33; 133)和第二环(35; 135)构造成当第一环和第二环相对于另一个成角度地移位一个时相对于彼此轴向移动。
    • 4. 发明公开
    • VARIABLE GEOMETRY TURBINE
    • 可变几何涡轮机
    • EP3204617A1
    • 2017-08-16
    • EP15782061.4
    • 2015-10-09
    • Cummins Ltd
    • HILL, Lisa JaneBYWATER, JohnPARKER, John F.
    • F01D17/14
    • F02B37/183F01D17/143F05D2220/40Y02T10/144
    • A variable geometry turbine having a turbine wheel, an inlet passageway, a movable wall member being moveable axially to vary the width of the inlet passageway, an annular seal being mounted to the movable wall member or an adjacent housing member to provide a seal between adjacent surfaces of the movable wall member and housing member respectively, wherein a bypass passage is provided in the other of said movable wall member or housing member, extending from an inlet bypass port to an outlet bypass port, said ports being spaced from each other and provided in said adjacent surface of said other of the movable wall member or housing member, arranged such that as the movable wall member moves axially, the annular seal moves axially relative to the ports to vary the flow that may pass from a region of the cavity inboard of the seal, through the bypass passage.
    • 一种可变几何涡轮机,其具有涡轮机叶轮(5),入口通道(9),可移动壁构件(11),其可轴向移动以改变入口通道的宽度,环形密封件(127) (11)和壳体构件(103)的相邻表面之间提供密封,其中旁路通道(150)设置在可动壁构件(11)和壳体构件 所述可动壁构件(11)和壳体构件(103),所述旁路通道(150)从入口旁路端口(151)延伸到出口旁路端口(152),所述入口和出口旁路端口(151,152) (11)和壳体构件(103)的所述另一个的所述相邻表面上设置,使得当可动壁构件(11)轴向运动时,环形密封件(127)移动 相对于入口和出口旁路端口(151,152)沿轴向轴向移动,以改变流动的程度 其可以从密封件的腔内侧(113)的区域通过旁路通道(150)。
    • 10. 发明公开
    • VARIABLE GEOMETRY TURBOCHARGER
    • TURBOLADER MIT VARIABLER GEOMETRIE
    • EP2960460A1
    • 2015-12-30
    • EP13875521.0
    • 2013-02-21
    • Mitsubishi Heavy Industries, Ltd.
    • IBARAKI, SeiichiSUZUKI, HiroshiYOKOYAMA, Takao
    • F02B37/24F02B39/00
    • F02B37/22F01D5/18F01D17/143F01D17/16F02B37/168F02B37/24F02B39/005F04D27/002F05D2220/40Y02T10/144
    • A variable geometry exhaust gas turbocharger comprises: a turbine rotor 26 including a rotating shaft 24 and a turbine wheel 12; a bearing housing 20 accommodating a bearing unit 22; a turbine housing 10 accommodating the turbine wheel rotatably and having formed an annular turbine scroll part 16 in which exhaust gas flows; and a variable geometry mechanism 40 provided in an annular nozzle part 18 to guide the exhaust gas flowing in the turbine scroll part into the turbine wheel; wherein the variable geometry mechanism 40 comprises: a nozzle vane 42 protruding, in a state of being unable to rotate, from at least one of a shroud side or a hub side of the nozzle part toward the nozzle part; an annular nozzle wall 44 configured to be movable forward and backward from the hub side toward the shroud side or from the shroud side toward the hub side of the nozzle part, and configured to permit a nozzle width B of the nozzle part to be variable over all circumference; and a driving part 46 for moving the nozzle wall forward and backward.
    • 可变几何形状废气涡轮增压器包括:涡轮转子26,其包括旋转轴24和涡轮机叶轮12; 容纳轴承单元22的轴承壳体20; 涡轮壳体10,其可旋转地容纳涡轮机叶轮,并且形成有排气流动的环形涡轮涡旋部分16; 以及可变几何机构40,其设置在环形喷嘴部分18中,以将在涡轮涡旋部分中流动的废气引导到涡轮机叶轮中; 其中所述可变几何机构40包括:喷嘴叶片42,其处于不能从所述喷嘴部分的护罩侧或轮毂侧中的至少一个朝向所述喷嘴部分旋转的状态; 环形喷嘴壁44,其能够从所述轮毂侧朝向所述护罩侧或从所述护罩侧向所述喷嘴部的所述轮毂侧前后移动,并且,能够使所述喷嘴部的喷嘴宽度B变化 全周 以及用于向前和向后移动喷嘴壁的驱动部分46。