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    METHOD OF INTEGRALLY FORMING RIBS IN A COMPOSITE PANEL
    21.
    发明申请
    METHOD OF INTEGRALLY FORMING RIBS IN A COMPOSITE PANEL 审中-公开
    在复合面板中整体形成RIBS的方法

    公开(公告)号：US20140196837A1

    公开(公告)日：2014-07-17

    申请号：US13741417

    申请日：2013-01-15

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Joseph M. Polewarczyk ,  Paul E. Krajewski

    IPC: B29C65/00

    CPC classification number: B29C65/002 ,  B29D24/005 ,  Y10T156/1002

    Abstract: A method of integrally forming a composite rib structure includes positioning a first fiber sheet on a pre-preg mold, the pre-preg mold including a first channel and a second channel separated by a wedge-shaped protrusion, and the fiber sheet including a plurality of fibers oriented along a first common direction. The method further including extending the wedge-shaped protrusion through the first fiber sheet such that a subset of the plurality of fibers are displaced about the protrusion and into each of the respective first channel and second channel; applying a resin within each of respective first channel and second channel to the plurality of fibers; pre-curing the resin to form a pre-preg rib structure within the channels; and removing the pre-preg rib structure from the pre-preg mold.

    Abstract translation: 整体形成复合肋结构的方法包括将第一纤维片定位在预浸模上，预浸模具包括第一通道和由楔形突起分隔开的第二通道，纤维片包括多个 的纤维沿着第一共同方向取向。 该方法还包括使楔形突起延伸穿过第一纤维片，使得多个纤维的一个子集围绕突起移动到相应的第一通道和第二通道中的每一个; 将各个第一通道和第二通道内的树脂施加到所述多根纤维; 预固化树脂以在通道内形成预先肋骨结构; 以及从预浸模中去除预先肋骨结构。

    Adjustable assist step for aerodynamic improvement
    22.
    发明授权
    Adjustable assist step for aerodynamic improvement 有权

    公开(公告)号：US11299099B2

    公开(公告)日：2022-04-12

    申请号：US16793160

    申请日：2020-02-18

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Richard A. Berger ,  Vijaya Sirangu ,  Joseph M. Polewarczyk ,  David T. Renke

    IPC: B60R3/02 ,  B60R16/00 ,  B60R3/00

    Abstract: An assist step assembly includes a linkage assembly including a first linkage member and a second linkage member, an assist step coupled to the linkage assembly and movable from a first assist step position to a second assist step position, an aerodynamic member coupled to the linkage assembly and movable from a first aerodynamic member position to a second aerodynamic member position, a movement mechanism coupled to the aerodynamic member and configured move the aerodynamic member from the first aerodynamic member position to the second aerodynamic member position, and a controller in electronic communication with the movement mechanism, the controller configured to determine an operating condition, determine a position of the assist step based on the operating condition, and generate one or more control signals to move the aerodynamic member from the first aerodynamic member position to the second aerodynamic member position.

    Active and passive systems for wheelhouse air deflection
    23.
    发明授权
    Active and passive systems for wheelhouse air deflection 有权

    公开(公告)号：US10654531B2

    公开(公告)日：2020-05-19

    申请号：US15908863

    申请日：2018-03-01

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Steven A. Del Gaizo ,  William Fang ,  Joseph M. Polewarczyk ,  Jeffrey L. Konchan

    IPC: B62D35/00 ,  B62D25/16

    Abstract: An exemplary automotive vehicle includes a body having a wheelhouse, the wheelhouse including a wheelhouse edge defining a wheelhouse opening, and a wheel disposed in the wheelhouse opening, a suspension system including a suspension component adjacent to the wheelhouse, the suspension component configured to vertically deflect during vehicle operation, an aerodynamic system including an aerodynamic member disposed within the wheelhouse opening and coupled to the suspension component, the aerodynamic member having a first position with respect to the wheelhouse edge and the wheel and a second position with respect to the wheelhouse edge and the wheel, wherein the aerodynamic member moves from the first position to the second position with deflection of the suspension component such that a distance between the aerodynamic member and the wheel is greater when the aerodynamic member is in the second position than when the aerodynamic member is in the first position.

    ACTIVE AND PASSIVE SYSTEMS FOR WHEELHOUSE AIR DEFLECTION
    24.
    发明申请
    ACTIVE AND PASSIVE SYSTEMS FOR WHEELHOUSE AIR DEFLECTION 审中-公开

    公开(公告)号：US20190270486A1

    公开(公告)日：2019-09-05

    申请号：US15908863

    申请日：2018-03-01

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Steven A. Del Gaizo ,  William Fang ,  Joseph M. Polewarczyk ,  Jeffrey L. Konchan

    IPC: B62D35/00 ,  B62D25/16

    Abstract: An exemplary automotive vehicle includes a body having a wheelhouse, the wheelhouse including a wheelhouse edge defining a wheelhouse opening, and a wheel disposed in the wheelhouse opening, a suspension system including a suspension component adjacent to the wheelhouse, the suspension component configured to vertically deflect during vehicle operation, an aerodynamic system including an aerodynamic member disposed within the wheelhouse opening and coupled to the suspension component, the aerodynamic member having a first position with respect to the wheelhouse edge and the wheel and a second position with respect to the wheelhouse edge and the wheel, wherein the aerodynamic member moves from the first position to the second position with deflection of the suspension component such that a distance between the aerodynamic member and the wheel is greater when the aerodynamic member is in the second position than when the aerodynamic member is in the first position.

    Microtruss replacing structural foam in body structural application
    28.
    发明授权
    Microtruss replacing structural foam in body structural application 有权

    公开(公告)号：US09598111B2

    公开(公告)日：2017-03-21

    申请号：US14473647

    申请日：2014-08-29

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Steven C. Lang ,  Nilesh D. Mankame ,  Joseph M. Polewarczyk

    IPC: B62D25/02 ,  B62D29/00

    CPC classification number: B62D25/025 ,  B62D29/001

    Abstract: A vehicle structural member, such as a rocker panel, including a micro-truss core. The structural member includes specially configured and opposing outer panels that are welded together to define a channel therein, where the micro-truss core is placed in one of the panels or is fabricated to one of the panels during the micro-truss fabrication process before the panels are secured together. The micro-truss core can include separate individual sections, where each section has a tailored stiffness for that location in the member, or the micro-truss core can be a continuous core, where different sections along the length of the core are fabricated with different stiffnesses.

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