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    RECIRCULATION NOISE OBSTRUCTION FOR A TURBOCHARGER
    3.
    发明申请
    RECIRCULATION NOISE OBSTRUCTION FOR A TURBOCHARGER 审中-公开
    用于涡轮增压器的回波噪声障碍

    公开(公告)号：WO2015175234A1

    公开(公告)日：2015-11-19

    申请号：PCT/US2015/028487

    申请日：2015-04-30

    Applicant: BORGWARNER INC.

    Inventor： PRUITT, Daniel

    IPC: F02B37/16 ,  F04D29/42 ,  F04D29/66 ,  F04D29/68

    CPC classification number: F04D29/667 ,  F02B33/40 ,  F02B37/16 ,  F04D29/4206 ,  F04D29/4213 ,  F04D29/663 ,  F04D29/685 ,  F05D2220/40 ,  F05D2270/101 ,  Y02T10/144

    Abstract: A compressor housing (12) for a turbocharger includes a recirculation cavity (4) formed in a portion of the compressor housing (12). The recirculation cavity (4) is defined by an inner cavity wall (2) and an outer cavity wall (5). In addition, an inlet groove (1) and an outlet (7) are formed in the recirculation cavity (4) for circulating airflow from the compressor housing (12) through the recirculation cavity (4), and at least one recirculation noise obstruction (6) is fixedly secured within the recirculation cavity (4) to disrupt air flow through the cavity and reduce noise in the compressor housing (12).

    Abstract translation: 用于涡轮增压器的压缩机壳体（12）包括形成在压缩机壳体（12）的一部分中的再循环腔（4）。 再循环腔（4）由内腔壁（2）和外腔壁（5）限定。 此外，在再循环空腔（4）中形成入口槽（1）和出口（7），用于使来自压缩机壳体（12）的气流循环通过再循环空腔（4），并且至少一个再循环噪声阻塞 6）固定地固定在再循环空腔（4）内以破坏通过空腔的空气流动并降低压缩机壳体（12）中的噪音。

    COMPRESSOR HOUSING ASSEMBLY AND TURBOCHARGER INCLUDING THE SAME
    4.
    发明申请
    COMPRESSOR HOUSING ASSEMBLY AND TURBOCHARGER INCLUDING THE SAME 审中-公开

    公开(公告)号：WO2020153963A1

    公开(公告)日：2020-07-30

    申请号：PCT/US2019/014959

    申请日：2019-01-24

    Applicant: BORGWARNER INC.

    Inventor： EDMOND, Paul ,  PRUITT, Daniel

    IPC: F02M35/12 ,  F02C6/12 ,  F02C7/045 ,  F04D29/42 ,  F04D29/66 ,  F02B37/00

    Abstract: A compressor housing assembly houses a compressor wheel of a turbocharger. The compressor housing includes a first housing component and a second housing component. The first housing component includes a first housing component wall disposed about and extending along an axis and defining a compressor housing inlet. The second housing component includes a body portion and a second housing component wall. The body portion is disposed about the axis and is coupled to the first housing component wall. The first and second housing component walls collectively define a resonator cavity for reducing noise within the compressor housing inlet. A resonator orifice fluidly couples the resonator cavity to the compressor housing inlet. The resonator orifice is configured to allow air from the compressor housing inlet to flow to the resonator cavity and air from the resonator cavity to flow to the compressor housing inlet.

    TURBOCHARGER HAVING IMPROVED PORTED SHROUD COMPRESSOR HOUSING
    5.
    发明申请
    TURBOCHARGER HAVING IMPROVED PORTED SHROUD COMPRESSOR HOUSING 审中-公开

    公开(公告)号：WO2018208874A1

    公开(公告)日：2018-11-15

    申请号：PCT/US2018/031721

    申请日：2018-05-09

    Applicant: BORGWARNER INC.

    Inventor： HARRIS, Thomas Craig ,  PRUITT, Daniel ,  LEDGER, David ,  EDMONDS, Paul

    IPC: F04D25/04 ,  F02B37/16 ,  F04D27/02 ,  F04D29/42 ,  F04D29/66

    Abstract: A turbocharger (20) includes ported shroud compressor housing (28) disposed about compressor wheel (36) having air inlet passage (33) extending axially along and circumferentially about a longitudinal axis (A), volute base portion (50) operably adjacent to compressor wheel (36), contour that encircles and complementarily matches compressor wheel (36), inducer (54) including ring (60) and plurality of extending members (62), inlet section (56) extending from volute base portion (50), and recirculation cavity (70) formed in volute base portion (50) and inlet section (56) with recirculation slot (80) and inlet re-entry slot (82) for reentry of airflow into inlet section (56). The ring (60) has inner wall surface (66) defining first section (84) extending axially along longitudinal axis (A) proximate to compressor wheel (36), second section (86) extending from first section (84) radially away from longitudinal axis (A), and third section (88) extending from second section (86) radially away from and along longitudinal axis (A) and distal to compressor wheel (36). The inlet section (56) has first diameter (Dl) and third section (88) has second diameter (D2) being either one of equal to or less than first diameter (Dl).

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