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    • 15. 发明申请
    • ROTOR AND BEARING SYSTEM FOR ELECTRICALLY ASSISTED TURBOCHARGER
    • 电动辅助起重机的转子和轴承系统
    • WO02023047A1
    • 2002-03-21
    • PCT/US2001/028234
    • 2001-09-10
    • F02B39/00F01D25/16F02B37/10F02B39/10F02C6/12F04D25/04F04D25/06F04D29/04F04D29/051F04D29/057F16C17/02F16C17/04F01D15/10
    • F04D29/0513F01D25/166F02B37/10F02B39/10F02C6/12F04D25/024F04D25/06F04D29/057F05D2220/40F05D2240/50F05D2240/52F05D2240/53F16C17/10F16C2360/24Y02T10/144
    • A turbocharger (10) having an electric motor (82, 84) for assisting spin up of the rotor employs a shaft carrying the turbine (32) and compressor impeller with a unitary pinned semi-floating bearing (56) supporting the shaft (48) and a spacer collar (70) carrying the electric motor magnet (84). The unitary bearing has integral thrust faces (86, 88) engaging a hub (38) of the turbine wheel (32) and the spacer collar (70). A reduced diameter of the shaft received in the spacer collar allows the collar to engage a greater diameter bearing land (52) allowing the attachment of the compressor impeller with a nut (80) on the shaft extending through a bore in the impeller to firmly engage the impeller, spacer collar and bearing land of the shaft to fix the rotor length. The pinned semi-floating bearing (56) with integral thrust faces (86, 88) provides enhanced reaction moments for negative spring forces created by the electric motor in operation and the additional length of the rotor created by the motor.
    • 具有用于辅助转子旋转的电动机(82,84)的涡轮增压器(10)采用承载涡轮机(32)的轴和具有支撑轴(48)的整体式半浮动轴承(56)的压缩机叶轮, 和承载电动机磁体(84)的间隔套环(70)。 整体轴承具有与涡轮机轮(32)的轮毂(38)和间隔套环(70)接合的整体推力面(86,88)。 容纳在间隔套环中的轴的直径减小允许轴环接合更大直径的轴承平台(52),允许压缩机叶轮与轴上的螺母(80)连接,该螺母延伸穿过叶轮中的孔,以牢固地接合 叶轮,间隔圈和轴的轴承座固定转子长度。 具有整体推力面(86,88)的固定半浮动轴承(56)为操作中的电动机产生的负弹簧力和由电动机产生的转子的附加长度提供增强的反作用力矩。
    • 18. 发明申请
    • A TURBOCOMPOUND UNIT
    • 涡轮机组
    • WO2015128413A1
    • 2015-09-03
    • PCT/EP2015/054010
    • 2015-02-26
    • VOLVO TRUCK CORPORATION
    • TENNEVALL, PeterBLOM, DanielHARTLER, Niklas
    • F01D25/18F02B41/10
    • F01D25/183F01D11/02F02B41/10F05D2220/40F05D2240/50F05D2240/55F05D2240/60F05D2250/38F05D2260/6022Y02T10/163
    • The present invention relates to a turbocompound unit (100), comprising a bearing housing (110) and a turbine shaft (120) being rotatably supported in the bearing housing (110), wherein one end of the turbine shaft (120) is provided with a turbine wheel (122). The turbocompound unit (100) further comprises a diffuser duct (130) in which the turbine wheel (122) is arranged to rotate, an exhaust collector (140) extending from the diffuser duct (130) to an exhaust outlet (142), and a sealing arrangement (150) positioned in the vicinity of the turbine wheel (122) for preventing oil from escaping from the bearing housing (110) to the diffuser duct (130). The turbocompound unit is characterized in that the exhaust collector (140) forms part of a buffer gas duct (160) that is arranged to supply exhaust gas from the exhaust collector (140) to the sealing arrangement (150) for pressurizing the sealing arrangement (150).
    • 技术领域本发明涉及一种涡轮组合单元(100),其包括轴承壳体(110)和涡轮轴(120),其可旋转地支撑在所述轴承壳体(110)中,其中所述涡轮轴(120)的一端设置有 涡轮机轮(122)。 所述涡轮复合单元(100)还包括扩散器管道(130),所述涡轮机叶轮(122)布置成旋转,从扩散器管道(130)延伸到排气出口(142)的排气收集器(140),以及 位于所述涡轮机叶轮(122)附近的密封装置(150),用于防止油从所述轴承箱(110)逸出到所述扩散管(130)。 涡轮复合单元的特征在于,排气收集器(140)形成缓冲气体管道(160)的一部分,该缓冲气体管道布置成将排气从排气收集器(140)供应到密封装置(150),用于对密封装置 150)。
    • 20. 发明申请
    • FLOW VORTEX SPOILER
    • 流量VORTEX SPOILER
    • WO2015023471A1
    • 2015-02-19
    • PCT/US2014/049682
    • 2014-08-05
    • GENERAL ELECTRIC COMPANY
    • BORDNE, Christopher, MarkLUZ, JamesFENN, Andrew, CourtenayMCCARTHY, Thomas, Charles
    • F01D11/04F02C7/06F02C7/28
    • F16N1/00F01D11/04F01D25/18F02C7/06F02C7/28F05D2220/32F05D2240/50F05D2240/55F05D2260/98
    • A flow vortex spoiler (100) including an oil sump (32) wherein pressurization air flow (90) moves about the oil sump through a sump pressurization cavity (71), the cavity having an inlet (73), a circumferential plate (101) disposed across a portion of the pressurization cavity near the inlet. The circumferential plate is disposed at said inlet to said sump pressurization cavity. The circumferential plate has a plurality of closely spaced apertures (104). The pressurization air has a radial component (91) and a tangential component (93) wherein the circumferential plate and the plurality of closely spaced apertures substantially reduce the tangential component of the pressurization air and further wherein the vortex spoiler inhibits excessive pressure change within the pressurization cavity and inhibits oil leakage at seals (68, 70) adjacent to the oil sump.
    • 一种包括油底壳(32)的流动涡流扰流器(100),其中加压空气流(90)通过贮槽加压腔(71)围绕油槽移动,空腔具有入口(73),圆周板(101) 设置在靠近入口的加压腔的一部分上。 周向板设置在所述贮槽加压腔的入口处。 周向板具有多个紧密间隔开的孔(104)。 加压空气具有径向部件(91)和切向部件(93),其中圆周板和多个紧密间隔开的孔基本上减小了加压空气的切向分量,并且进一步地,其中涡流扰流器抑制加压过程中的过度的压力变化 并且在与油底壳相邻的密封件(68,70)处阻止漏油。