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    ACTUATION SYSTEM HAVING A MAGNETORHEOLOGICAL DAMPER
    11.
    发明申请
    ACTUATION SYSTEM HAVING A MAGNETORHEOLOGICAL DAMPER 审中-公开

    公开(公告)号：US20190111981A1

    公开(公告)日：2019-04-18

    申请号：US15785559

    申请日：2017-10-17

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jason D. Fahland ,  Joshua R. Auden

    IPC: B62D37/02 ,  B62D35/00 ,  F16F9/53 ,  F16F15/027

    Abstract: An automotive vehicle includes a body having an exterior surface and an aerodynamic member movably coupled to the exterior surface. The aerodynamic member has a first position with respect to the exterior surface and a second position with respect to the exterior surface. The first position presents a distinct aerodynamic profile from the second position. The vehicle additionally includes an actuator coupled to the aerodynamic member and configured to actuate the aerodynamic member between the first position and the second position. The vehicle further includes a damper coupled to the aerodynamic member. The damper is provided with magnetorheological fluid.

    METHODS AND SYSTEMS TO ADJUST UNDERBODY ACTIVE SURFACES
    12.
    发明申请
    METHODS AND SYSTEMS TO ADJUST UNDERBODY ACTIVE SURFACES 审中-公开

    公开(公告)号：US20190106163A1

    公开(公告)日：2019-04-11

    申请号：US15728625

    申请日：2017-10-10

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jason D. Fahland ,  Joshua R. Auden

    IPC: B62D35/00 ,  B62D35/02

    Abstract: In an exemplary embodiment, a method for controlling a vehicle includes the steps of receiving, by a vehicle controller, sensor data representing a vehicle environment along a projected path of travel of the vehicle from at least one sensor, determining, by the vehicle controller, if the projected path of travel of the vehicle includes an obstacle, determining, by the vehicle controller, if an underbody component of the vehicle will impact the obstacle, and if the underbody component will impact the obstacle, generating, by the vehicle controller, a control signal to move the underbody component from a first position to a second position.

    SELF-CALIBRATING LOAD SENSOR SYSTEMS AND CONTROL LOGIC FOR ACTIVE AERODYNAMIC DEVICES OF MOTOR VEHICLES
    13.
    发明申请
    SELF-CALIBRATING LOAD SENSOR SYSTEMS AND CONTROL LOGIC FOR ACTIVE AERODYNAMIC DEVICES OF MOTOR VEHICLES 审中-公开

    公开(公告)号：US20190061837A1

    公开(公告)日：2019-02-28

    申请号：US15685664

    申请日：2017-08-24

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jason D. Fahland ,  Joshua R. Auden ,  Olamide Akintewe

    IPC: B62D35/00

    Abstract: Disclosed are self-calibrating load sensor systems for active aerodynamics devices, methods for making or using such load sensor systems, and motor vehicles equipped with a self-calibrating load sensor system to govern operation of the vehicle's active aero device(s). An active aero sensing system includes a load sensor that mounts to the vehicle body, and detects downforces on the vehicle. A memory device stores mapped vehicle downforce data calibrated to the motor vehicle. A vehicle controller receives downforce signals generated by the load sensor, and calculates an average downforce value from these signals. The controller determines if the average downforce differs from a calibrated downforce value retrieved from the memory device. If so, the controller responsively applies an offset value to subsequent downforce signals received from the load sensor, and dynamically controls operation of the active aero device based, at least in part, on these signals modified by the offset value.

    Downforce generating duct for a vehicle
    15.
    发明授权
    Downforce generating duct for a vehicle 有权

    公开(公告)号：US10029746B2

    公开(公告)日：2018-07-24

    申请号：US15380209

    申请日：2016-12-15

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jason D. Fahland ,  Joshua R. Auden

    IPC: B62D35/02 ,  B62D37/02 ,  F15D1/00

    CPC classification number: B62D37/02 ,  B62D35/00 ,  B62D35/02 ,  F15D1/0025 ,  Y02T10/82 ,  Y02T10/88

    Abstract: A duct is configured for a vehicle having a vehicle body arranged along a longitudinal body axis. The vehicle body includes a first vehicle body end configured to face oncoming ambient airflow when the vehicle is in motion, a second vehicle body end opposite of the first vehicle body end. The duct has a fully-enclosed structure in a cross-sectional view perpendicular to the longitudinal body axis. The duct also has a first port positioned to receive a portion of the oncoming airflow and a second port positioned to exhaust the portion of the oncoming airflow from the duct. The first and second ports together with the fully-enclosed structure are configured to generate an aerodynamic downforce on the vehicle body when the vehicle is in motion.

    DOWNFORCE GENERATING DUCT FOR A VEHICLE
    16.
    发明申请
    DOWNFORCE GENERATING DUCT FOR A VEHICLE 审中-公开

    公开(公告)号：US20180170457A1

    公开(公告)日：2018-06-21

    申请号：US15380209

    申请日：2016-12-15

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jason D. Fahland ,  Joshua R. Auden

    IPC: B62D37/02 ,  B62D35/02 ,  F15D1/00

    CPC classification number: B62D37/02 ,  B62D35/02 ,  F15D1/0025

    Abstract: A duct is configured for a vehicle having a vehicle body arranged along a longitudinal body axis. The vehicle body includes a first vehicle body end configured to face oncoming ambient airflow when the vehicle is in motion, a second vehicle body end opposite of the first vehicle body end. The duct has a fully-enclosed structure in a cross-sectional view perpendicular to the longitudinal body axis. The duct also has a first port positioned to receive a portion of the oncoming airflow and a second port positioned to exhaust the portion of the oncoming airflow from the duct. The first and second ports together with the fully-enclosed structure are configured to generate an aerodynamic downforce on the vehicle body when the vehicle is in motion.

    Active splitter for a motor vehicle
    17.
    发明授权
    Active splitter for a motor vehicle 有权

    公开(公告)号：US09738328B2

    公开(公告)日：2017-08-22

    申请号：US14959905

    申请日：2015-12-04

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jason D. Fahland ,  Joshua R. Auden ,  David Dominguez

    IPC: B62D35/00 ,  B62D37/02

    CPC classification number: B62D35/005 ,  B62D37/02

    Abstract: A splitter system for a vehicle includes a splitter body having a first splitter body side-section and a second splitter body side-section. The vehicle includes a vehicle body arranged along a longitudinal body axis and having a first vehicle body end configured to face incident ambient airflow. The splitter body is mounted at the first vehicle body end to generate an aerodynamic downforce thereon when the vehicle is in motion. A mechanism is configured to selectively and individually shift each of the first splitter body side-section and the second splitter body side-section relative to the first vehicle body end. The shifting of the splitter body side-sections by the mechanism in turn adjusts the aerodynamic downforce generated by the splitter body side-sections on the first vehicle body end.

    SELECTIVE CONTROL OF VEHICLE AERODYNAMICS
    18.
    发明申请
    SELECTIVE CONTROL OF VEHICLE AERODYNAMICS 有权

    公开(公告)号：US20170151984A1

    公开(公告)日：2017-06-01

    申请号：US14954229

    申请日：2015-11-30

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Samantha J. Bray ,  Joshua R. Auden ,  Jason D. Fahland ,  David Dominguez

    IPC: B62D35/00 ,  B62D37/02

    CPC classification number: B62D35/007 ,  B62D35/005 ,  B62D37/02

    Abstract: A system is configured to control aerodynamics of a vehicle. The vehicle includes a vehicle body arranged along a longitudinal axis with a first vehicle body end configured to face incident ambient airflow. The system includes an aerodynamic-aid element mounted to the vehicle body and configured to generate a downforce thereon via controlling the incident ambient airflow. The system also includes an adjustable flap arranged at the aerodynamic-aid element. The adjustable flap is configured to shift relative to the aerodynamic-aid element and thereby control movement of the incident ambient airflow relative to the aerodynamic-aid element. The system additionally includes a mechanism configured to vary position of the adjustable flap relative to the aerodynamic-aid element and thereby vary a magnitude of downforce generated by the aerodynamic-aid element.

    DOWNFORCE GENERATION SYSTEM FOR A VEHICLE
    19.
    发明申请
    DOWNFORCE GENERATION SYSTEM FOR A VEHICLE 有权

    公开(公告)号：US20170096180A1

    公开(公告)日：2017-04-06

    申请号：US14873600

    申请日：2015-10-02

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： David Dominguez ,  Jason D. Fahland ,  Joshua R. Auden

    IPC: B62D37/02 ,  B60K13/04 ,  B62D35/02

    CPC classification number: B62D37/02 ,  B60K13/04 ,  B62D35/02 ,  Y02T10/88

    Abstract: A vehicle includes an engine generating exhaust gas flow and a vehicle body having a first body end facing oncoming ambient airflow when the vehicle is in motion and an opposite second body end. A vehicle underbody section spans a distance between the first and second body ends. A diffuser disposed at the second body end controls an underbody airflow portion past the second body end. An exhaust duct discharges the exhaust gas via a duct outlet arranged between the underbody section and the diffuser. A first diffuser aperture aligns with the duct outlet for discharging the exhaust gas from the outlet to the ambient. A second diffuser aperture pulls at least a fraction of the underbody airflow over the duct outlet and through the first aperture. The first and second apertures accelerate the pulled underbody airflow to increase a downforce on the vehicle body at the second body end.

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