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    • 3. 发明授权
    • Turbocharger with hydrodynamic foil bearings
    • 涡轮增压器带流体动力箔轴承
    • US07108488B2
    • 2006-09-19
    • US10812281
    • 2004-03-26
    • Gerald Duane LarueSun Goo KangWerner Wick
    • Gerald Duane LarueSun Goo KangWerner Wick
    • F02B17/00F02B33/44F16C32/06F02B35/00B61F17/00
    • F16C17/042F16C17/024F16C37/002F16C2360/24
    • A turbocharger includes a foil bearing assembly mounted in a center housing between a compressor and a turbine of the turbocharger. The bearing assembly forms a unit installable into the center housing from one end thereof, and the center housing is a one-piece construction. The bearing assembly includes a foil thrust bearing assembly disposed between two foil journal bearings. The journals foils are mounted in annular bearing carriers fixedly mounted in the center housing. A radially inner portion of a thrust disk of the thrust bearing assembly is captured between a shaft and a shaft sleeve of the turbocharger. The center housing defines cooling air passages for supplying cooling air to the foil bearings, and optionally includes a water jacket for circulating engine coolant through the center housing.
    • 涡轮增压器包括安装在涡轮增压器的压缩机和涡轮机之间的中心壳体中的箔片轴承组件。 轴承组件形成从其一端安装到中心壳体中的单元,并且中心壳体是一体式结构。 轴承组件包括设置在两个箔轴颈轴承之间的箔推力轴承组件。 轴颈铝箔安装在固定安装在中心壳体上的环形轴承架中。 止推轴承组件的止推盘的径向内部部分被捕获在涡轮增压器的轴和轴套之间。 中心壳体限定用于向箔轴承供应冷却空气的冷却空气通道,并且可选地包括用于使发动机冷却剂循环通过中心壳体的水套。
    • 5. 发明授权
    • Hydrodynamic journal bearing
    • 流体动力轴颈轴承
    • US07553086B2
    • 2009-06-30
    • US10896099
    • 2004-07-20
    • Sun Goo KangMarshall SavilleKeith A. Hurley
    • Sun Goo KangMarshall SavilleKeith A. Hurley
    • F16C27/02F16C17/02
    • F16C17/024F16C27/02F16C43/02F16C2360/24
    • A journal foil bearing comprising a retaining member having an inner surface which defines a shaft opening within which a rotatable shaft is receivable for rotation; and a foil assembly affixed to and lining the inner surface and comprising a plurality of foil sub-assemblies each subtending a circumferential segment, of the inner surface. Each of the foil sub-assemblies may comprise an under foil sandwiched between a spring foil disposed radially outwardly of the under foil, and a top foil disposed radially inwardly of the under foil, the under foil, the top foil, and the spring foil each having a leading edge distal from a trailing edge in a direction of rotation of the rotatable shaft, and each of the under foil, the top foil, and the spring foil being affixed to the retaining member along their respective leading edge, their respective trailing edge, or both their respective leading edge and their respective trailing edge, wherein a radius of curvature of the top foil is less than a radius of curvature of the under foil. A method of supporting a rotating shaft is also disclosed.
    • 一种轴颈薄片轴承,其包括保持构件,所述保持构件具有内表面,所述内表面限定轴开口,旋转轴可容纳在所述轴开口中以便旋转; 以及箔片组件,其固定并衬在内表面上,并且包括多个箔片子组件,每个箔片子组件对着内表面的周向段。 每个箔子组件可以包括夹在设置在下箔片的径向外侧的弹簧箔和设置在下箔的径向内侧的顶箔,下箔,顶箔和弹簧箔之间的下箔 具有远离可旋转轴的旋转方向的后缘的前缘,并且每个下箔,顶箔和弹簧箔沿其相应的前缘固定到保持构件,它们各自的后缘 ,或它们各自的前缘和它们各自的后缘两者,其中顶部箔片的曲率半径小于下部箔片的曲率半径。 还公开了一种支撑旋转轴的方法。
    • 6. 发明申请
    • Thrust bearing
    • 推力轴承
    • US20050271311A1
    • 2005-12-08
    • US10863869
    • 2004-06-07
    • Marshall SavilleKeith HurleyAileen MahSun Goo Kang
    • Marshall SavilleKeith HurleyAileen MahSun Goo Kang
    • F16C17/12F16C32/06
    • F16C17/042F16C2360/24
    • A hydrodynamic bearing set, for use with a thrust disk disposed between planar surfaces of a housing, includes first and second topfoils disposed adjacent first and second thrust disk axial bearing surfaces and removably secured to the housing. An underspring is secured between each planar housing surface and the corresponding topfoil. Dual-leaf spring pairs attached to at least one topfoil periphery function to urge the topfoils away from the thrust disk axial bearing surfaces by applying a force against a planar housing surface, another topfoil, or a spacer washer secured between adjacent topfoil dual-leaf pairs or frictionally retained within the housing. Alternatively, a wavy washer, a conical spring, a Belleville washer, or a coil spring can be substituted for the dual-leaf spring pairs.
    • 用于与设置在壳体的平面表面之间的止推盘一起使用的流体动力轴承组包括邻近第一和第二推力盘轴向轴承表面设置并可移除地固定到壳体的第一和第二顶翼。 在每个平面壳体表面和相应的顶部翼片之间固定一个下冲针。 连接到至少一个顶翼边缘功能的双叶弹簧对通过向平面壳体表面施加力而推动顶翼离开推力盘轴向表面,另一顶翼或固定在相邻顶翼双叶对之间的间隔垫片 或摩擦地保持在壳体内。 或者,波纹垫圈,锥形弹簧,贝氏垫圈或螺旋弹簧可以代替双板弹簧对。