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    SYSTEMS, METHODS AND DEVICES FOR 3D ROLLING OF MULTI-GAUGE PARTS
    11.
    发明申请
    SYSTEMS, METHODS AND DEVICES FOR 3D ROLLING OF MULTI-GAUGE PARTS 审中-公开

    公开(公告)号：US20180169722A1

    公开(公告)日：2018-06-21

    申请号：US15380265

    申请日：2016-12-15

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Joseph M. Polewarczyk

    IPC: B21B1/22 ,  B21B27/02

    CPC classification number: B21B1/22 ,  B21B27/021 ,  B21B2001/225

    Abstract: Disclosed are metalworking rollers for fabricating multi-gauge sheet metal parts, methods for making and methods for using such rollers, and rolling mill machines employing variable-radius metalworking rollers for fabricating multi-gauge metal components. A metalworking roller for a rolling mill machine is disclosed. The metalworking roller includes a cylindrical roller body that rotatably and drivingly connects to the rolling mill machine. An outer diameter surface spanning around the roller body circumference includes an outermost peak region and an innermost valley region recessed radially inward from the outermost peak region and elongated circumferentially around the roller body. During operation of the rolling mill machine, the outermost and innermost regions of the roller body's outer diameter surface sequentially press against and thereby modify the gauge of a metal workpiece. Each region has a respective transverse width and circumferential length extending across and around the longitudinal length and circumference, respectively, of the roller body.

    SEAL ALIGNING AND RETAINING ASSEMBLY AND METHOD OF RETAINING A SEAL
    12.
    发明申请
    SEAL ALIGNING AND RETAINING ASSEMBLY AND METHOD OF RETAINING A SEAL 审中-公开
    密封和保持组件和保持密封的方法

    公开(公告)号：US20140042704A1

    公开(公告)日：2014-02-13

    申请号：US13734408

    申请日：2013-01-04

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Joseph M. Polewarczyk

    IPC: F16J15/02

    CPC classification number: F16J15/02 ,  F16J15/027 ,  F16J15/061

    Abstract: A seal aligning and retaining assembly includes a seal trough defined by a first side wall, a second side wall and a base. Also included is at least one protrusion integrally formed with the base and extending therefrom, the at least one protrusion having an outer surface. Further included is a seal having at least one aperture including a first elastically deformable inner surface, the seal also having a first elastically deformable outer wall, the seal configured to elastically deform upon disposition of the seal in the seal trough at a first interface between the first elastically deformable inner surface and the outer surface of the at least one protrusion and at a second interface between the first elastically deformable outer wall and at least one of the first side wall and the second side wall.

    Abstract translation: 密封件对准和保持组件包括由第一侧壁，第二侧壁和底座限定的密封槽。 还包括至少一个与基部一体地形成且从其延伸的突起，所述至少一个突起具有外表面。 进一步包括具有至少一个孔口的密封件，该孔口包括第一可弹性变形的内表面，密封件还具有第一可弹性变形的外壁，该密封件构造成在密封槽中处于密封槽中的第一界面处弹性变形 第一可弹性变形的内表面和至少一个突起的外表面以及在第一可弹性变形的外壁与第一侧壁和第二侧壁中的至少一个之间的第二界面处。

    DEPLOYABLE TRUCK RAMP WITH BLADDERS
    14.
    发明公开
    DEPLOYABLE TRUCK RAMP WITH BLADDERS 审中-公开

    公开(公告)号：US20240262641A1

    公开(公告)日：2024-08-08

    申请号：US18165474

    申请日：2023-02-07

    Applicant: GM Global Technology Operations LLC

    Inventor： Paul W. Alexander ,  Wonhee Michael Kim ,  Craig A. Kollar ,  Joseph M. Polewarczyk ,  Bhavesh Shah ,  Rafael Gabriel Casalduc

    IPC: B65G69/28 ,  B62D33/027

    CPC classification number: B65G69/28 ,  B62D33/0273

    Abstract: A deployable ramp is provided for a cargo loading system of a vehicle. The ramp includes one or more rigid element having a surface for supporting a load. The ramp further includes one or more bladders defining a chamber that is fluidly connected to an outlet of a compressor. The chamber is adapted to receive a fluid from the compressor. The bladder is attached to rigid element, and the at bladder is movable to a collapsed state where the chamber has a first volume. The bladder is further movable to an expanded state where the chamber has a second volume and contains a pressurized fluid for supporting the rigid element, in response to the bladder receiving the fluid from the compressor. The second volume is higher than the first volume.

    ENHANCED ENERGY ABSORPTION ROCKER ASSEMBLY
    15.
    发明申请
    ENHANCED ENERGY ABSORPTION ROCKER ASSEMBLY 有权

    公开(公告)号：US20220258805A1

    公开(公告)日：2022-08-18

    申请号：US17176712

    申请日：2021-02-16

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Bhavesh Shah ,  Bradley A. Newcomb ,  Joseph M. Polewarczyk

    IPC: B62D25/02 ,  B62D21/15 ,  B62D29/00

    Abstract: A rocker assembly for a vehicle body structure includes a rocker rail having a boxed cross-section defining a rocker rail interior space, a rocker rail length, and a rocker rail outer surface along the length. The rocker rail defines at least one aperture connecting the interior space and the panel outer surface. The rocker assembly also includes an insert member configured to fit within the rocker rail interior space and extend along the panel length to reinforce the panel. The insert member includes at least one projection configured to match up with and extend at least partially through a respective at least one aperture. The projection(s) are configured to reinforce the rocker rail by opposing deformation of the boxed cross-section. The projection(s) oppose deformation via interference with the boxed cross-section at the respective aperture(s) when the rocker rail is subjected to an applied load perpendicular to the panel outer surface.

    ADJUSTABLE ASSIST STEP FOR AERODYNAMIC IMPROVEMENT
    16.
    发明申请
    ADJUSTABLE ASSIST STEP FOR AERODYNAMIC IMPROVEMENT 有权

    公开(公告)号：US20210253029A1

    公开(公告)日：2021-08-19

    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

    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.

    Method and apparatus for joining components with friction pins
    17.
    发明授权
    Method and apparatus for joining components with friction pins 有权

    公开(公告)号：US10478916B2

    公开(公告)日：2019-11-19

    申请号：US15801821

    申请日：2017-11-02

    Applicant: GM Global Technology Operations LLC

    Inventor： Joseph M. Polewarczyk ,  Hesham A. Ezzat

    IPC: B23K20/12

    Abstract: A system, apparatus, or method for joining components is provided. The system applies force along an axis, with a friction pin, to a first substrate, such as with a joiner or joining apparatus. The system also frictionally melts a portion of the first substrate adjacent the friction pin by rotating the friction pin about the axis at a first speed within the first substrate. The system also applies force to the second substrate along the axis and frictionally melts a portion of the second substrate adjacent the friction pin by rotating the friction pin at a second speed within the second substrate. The system embeds a portion of the friction pin within the first substrate and the second substrate. In some configurations, the first speed and the second speed are substantially equivalent. In other configurations, the first speed is different from the second speed.

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