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    Turbocharger and Method
    3.
    发明申请
    Turbocharger and Method 有权
    涡轮增压器和方法

    公开(公告)号：US20160281646A1

    公开(公告)日：2016-09-29

    申请号：US14641667

    申请日：2015-03-09

    Applicant: CATERPILLAR INC.

    Inventor： Richard E. Annati ,  Craig Miller

    IPC: F02B33/44 ,  F01D25/16 ,  F04D29/056

    CPC classification number: F02M26/04 ,  F01D25/162 ,  F04D29/056 ,  F16C19/184 ,  F16C27/045 ,  F16C33/581 ,  F16C33/6685 ,  F16C2360/24

    Abstract: A turbocharger includes a turbine, a compressor, and a bearing housing forming a bearing bore. A bearing arrangement is disposed between a shaft interconnecting the turbine and compressor wheels, and the bearing housing. The bearing arrangement includes first and second bearings formed within an outer bearing race element having an outer wall that engages a bearing bore along four bearing surfaces that are disposed in pairs around two oil feed galleys formed in the outer wall, the outer wall further forming peripherally extending oil drainage grooves disposed such that oil provided from the oil feed galleys that passes through some of the bearing surfaces drains through the peripherally extending oil drainage grooves.

    Abstract translation: 涡轮增压器包括涡轮机，压缩机和形成轴承孔的轴承壳体。 轴承装置设置在连接涡轮和压缩机叶轮之间的轴与轴承壳体之间。 所述轴承装置包括形成在外轴承座圈内的第一和第二轴承，所述第一和第二轴承具有外壁，所述外壁沿着四个轴承表面接合轴承孔，四个轴承表面成对地围绕形成在所述外壁上的两个供油平台进行成对设置， 延伸的排油槽设置成使得从供油厨房提供的通过一些轴承表面的油通过周向延伸的排油槽排出。

    Turbocharger and Method
    4.
    发明申请
    Turbocharger and Method 有权
    涡轮增压器和方法

    公开(公告)号：US20160265542A1

    公开(公告)日：2016-09-15

    申请号：US14641676

    申请日：2015-03-09

    Applicant: Caterpillar Inc.

    Inventor： Richard E. Annati ,  Gary W. Powers ,  Jeffrey W. McCormack ,  Craig Miller

    IPC: F04D25/04 ,  F04D29/063 ,  F04D29/42 ,  F02B37/00 ,  F04D29/056

    CPC classification number: F04D29/063 ,  F02B37/00 ,  F04D25/04 ,  F04D29/059 ,  F04D29/102 ,  F04D29/266 ,  F04D29/284 ,  F16C19/184 ,  F16C27/045 ,  Y02T10/144

    Abstract: A turbocharger includes a turbine, a compressor, and a bearing housing forming a bearing bore. A bearing arrangement is disposed between a shaft interconnecting the turbine and compressor wheels, and the bearing housing. The bearing arrangement includes an outer bearing race element that frictionally engages the bearing bore at both ends. At a first end, a bearing retainer that is connected to the bearing housing includes a cylindrical element that extends into the bearing bore and abuts and frictionally engages a first end of the outer bearing race element. The second end of the outer bearing race element abuts and frictionally engages a stop formed at an end of the bearing bore such that no pins or other structures are required for preventing rotation of the outer bearing race element in the bearing bore.

    Abstract translation: 涡轮增压器包括涡轮机，压缩机和形成轴承孔的轴承壳体。 轴承装置设置在连接涡轮和压缩机叶轮之间的轴与轴承壳体之间。 轴承装置包括在两端与轴承孔摩擦接合的外轴承座圈元件。 在第一端，连接到轴承壳体的轴承保持器包括延伸到轴承孔中并邻接并摩擦地接合外轴承座圈元件的第一端的圆柱形元件。 外部轴承座圈的第二端邻接和摩擦地接合形成在轴承孔的端部处的止动件，使得不需要销或其它结构来防止外部轴承座圈在轴承孔中的旋转。

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