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    Cooling units for transmissions
    1.
    发明授权
    Cooling units for transmissions 有权

    公开(公告)号：US11287025B2

    公开(公告)日：2022-03-29

    申请号：US16730372

    申请日：2019-12-30

    Applicant: ABB Schweiz Ag

    Inventor： Stefan Rakuff ,  Joe J. Liou

    IPC: F16H57/04 ,  F16H57/02

    Abstract: Transmissions and methods therefor are disclosed herein. A transmission includes a housing, an input shaft, and a cooling unit. The input shaft extends outside of the housing and is configured to receive rotational power from a rotational power source. The cooling unit is supported by the input shaft. The cooling unit includes a heat exchanger.

    COOLING UNITS FOR TRANSMISSIONS
    2.
    发明申请
    COOLING UNITS FOR TRANSMISSIONS 审中-公开

    公开(公告)号：US20200208732A1

    公开(公告)日：2020-07-02

    申请号：US16730372

    申请日：2019-12-30

    Applicant: ABB Schweiz Ag

    Inventor： Stefan Rakuff ,  Joe J. Liou

    IPC: F16H57/04 ,  F16H57/02

    Abstract: Transmissions and methods therefor are disclosed herein. A transmission includes a housing, an input shaft, and a cooling unit. The input shaft extends outside of the housing and is configured to receive rotational power from a rotational power source. The cooling unit is supported by the input shaft. The cooling unit includes a heat exchanger.

    Machine and gearbox system with air cooling
    5.
    发明授权
    Machine and gearbox system with air cooling 有权

    公开(公告)号：US10578205B2

    公开(公告)日：2020-03-03

    申请号：US15994456

    申请日：2018-05-31

    Applicant: ABB Schweiz AG

    Inventor： Stefan Rakuff ,  Gregory F. Rossano ,  Joe J. Liou ,  Qimin Dong

    IPC: F16H57/04 ,  F04D29/42 ,  F04D29/44 ,  F04D29/54 ,  F16H57/02

    Abstract: A system includes a machine having an external surface and a shaft extending from a first side of the machine; a cooling airflow generator mounted on the shaft and operative to generate a cooling airflow for cooling the machine; a flow guide structure constructed to receive the cooling airflow from the cooling airflow generator and to direct the cooling airflow received from the cooling airflow generator across the external surface; and a scavenge scoop spaced apart from the flow guide structure and disposed at a second side of the machine opposite the first side, wherein the external surface is disposed between the scavenge scoop and the flow guide structure, and wherein the scavenge scoop is constructed to collect a portion of the cooling airflow generated by the cooling airflow generator and direct the a portion of the cooling airflow across a portion of the second side of the machine.

    Gearbox system with add-on cooling fin panels
    6.
    发明授权
    Gearbox system with add-on cooling fin panels 有权

    公开(公告)号：US10458534B1

    公开(公告)日：2019-10-29

    申请号：US15994562

    申请日：2018-05-31

    Applicant: ABB Schweiz AG

    Inventor： Joe J. Liou ,  Stefan Rakuff

    IPC: F16H57/04 ,  F16H57/031 ,  F16H57/02

    Abstract: A gearbox system includes a gearbox having a housing. The housing includes a surface. The gearbox system also includes an add-on cooling fin panel in thermal engagement with the surface. The cooling fin panel includes a plurality of cooling fins. The gearbox system further includes an attachment feature constructed to affix the cooling fin panel to the gearbox. The cooling fin panel is constructed to transfer heat from the surface to the cooling fin panel by conduction; and the cooling fin panel is configured to transfer heat to an environment in which the gearbox is located by convection.

    MACHINE AND GEARBOX SYSTEM AND COOLING THEREFOR
    7.
    发明申请
    MACHINE AND GEARBOX SYSTEM AND COOLING THEREFOR 审中-公开

    公开(公告)号：US20190368595A1

    公开(公告)日：2019-12-05

    申请号：US15994268

    申请日：2018-05-31

    Applicant: ABB Schweiz AG

    Inventor： Joe J. Liou ,  Stefan Rakuff ,  Nolan W. Nicholas

    IPC: F16H57/04 ,  F04D29/42 ,  F04D29/44

    Abstract: A system includes a gearbox having an external surface; a fan or impeller constructed to generate a first cooling airflow when rotated; a shroud operative to guide and discharge the first cooling airflow over the external surface and cool the gearbox, wherein at least a portion of the shroud is spaced apart from the gearbox and disposed radially outward of the external surface; and a flow entrainment structure coupled to the gearbox and/or the shroud, wherein the flow entrainment structure is constructed to entrain a second cooling airflow and combine the second cooling airflow with the first cooling airflow to form a combined cooling airflow directed across the external surface to cool the gearbox.

    SYSTEM HAVING MACHINE AND FAN
    8.
    发明申请
    SYSTEM HAVING MACHINE AND FAN 审中-公开

    公开(公告)号：US20190368502A1

    公开(公告)日：2019-12-05

    申请号：US15994649

    申请日：2018-05-31

    Applicant: ABB Schweiz AG

    Inventor： Stefan Rakuff ,  Joe J. Liou ,  Qimin Dong

    IPC: F04D29/22 ,  F04D29/42 ,  F04D29/44 ,  F04D29/30 ,  F04D29/28

    Abstract: A system includes a machine; a centrifugal fan, the centrifugal fan having a plurality of centrifugal fan blades and being constructed to generate a cooling airflow for cooling the machine; and an axial flow inducer disposed on the plurality of centrifugal fan blades, wherein the axial flow inducer is constructed generate an axial flow through a central portion of the centrifugal fan.

    Methods and systems for cooling transmissions
    9.
    发明授权
    Methods and systems for cooling transmissions 有权

    公开(公告)号：US11466768B2

    公开(公告)日：2022-10-11

    申请号：US16730392

    申请日：2019-12-30

    Applicant: ABB Schweiz Ag

    Inventor： Joe J. Liou ,  Stefan Rakuff

    IPC: F16H57/04 ,  F16H57/02

    Abstract: A transmission includes a housing, a plurality of components, and a cooling system. The housing has a plurality of walls that cooperate to define an interior space and a sump configured to store lubricating fluid in use of the transmission. The plurality of components are arranged in the interior space and configured to cooperatively transmit rotational power between an input shaft and an output shaft of the transmission to reduce a rotational speed of the output shaft relative to a rotational speed of the input shaft in use of the transmission. At least one of the plurality of components is supplied with lubricating fluid stored by the sump in use of the transmission. The cooling system is supported by the housing.

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