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    Solar-tracking system drive having an offset gear
    1.
    发明授权
    Solar-tracking system drive having an offset gear 有权

    公开(公告)号：US10469025B2

    公开(公告)日：2019-11-05

    申请号：US15254976

    申请日：2016-09-01

    Applicant: SUNPOWER CORPORATION

    Inventor： Tyler Grushkowitz ,  Brian Wares ,  Mark Adam Schimelpfenig ,  Jason C. Jones

    IPC: H02N6/00 ,  H01L31/042 ,  H02S20/32 ,  F16H19/00 ,  F24S30/425 ,  F24S30/00

    Abstract: A solar-tracking photovoltaic (PV) system having a motor drive vertically below a PV module, is described. In an example, the motor drive rotates a torque tube holding the PV module. The motor drive may include a gearbox having a worm drive, and a gearmotor having an offset gear. The offset gear may be coupled to a planetary gear train along an axis of a worm of the worm drive, and the offset gear may be coupled to a motor along a shaft axis offset vertically below the worm axis. Accordingly, the motor may be offset vertically below the worm drive, i.e., farther from the PV laminate than the worm drive, and a rotational clearance for the PV laminate may be increased.

    PHOTOVOLTAIC SYSTEM BEARING ASSEMBLY
    4.
    发明申请
    PHOTOVOLTAIC SYSTEM BEARING ASSEMBLY 审中-公开

    公开(公告)号：US20180062565A1

    公开(公告)日：2018-03-01

    申请号：US15254991

    申请日：2016-09-01

    Applicant: SUNPOWER CORPORATION

    Inventor： Mark Adam Schimelpfenig ,  Tyler Grushkowitz ,  Brian Wares

    IPC: H02S20/32 ,  F16M11/10

    CPC classification number: H02S20/32 ,  F16M11/10 ,  F24S30/425 ,  F24S2030/15

    Abstract: A photovoltaic (PV) system having a bearing assembly to support PV modules is described. In an example, the bearing assembly includes a pair of bearing supports having respective sub-rims. The sub-rims may have complementary arcuate seat surfaces, which when combined, define a curved seat rim to receive a bearing sleeve. Accordingly, the bearing supports may be mounted symmetrically about a pile such that the sub-rims combine to support the bearing sleeve, and a torque tube holding the PV modules may be mounted on the bearing sleeve. More particularly, the torque tube may be in sliding contact with the bearing sleeve, and a weight of the PV modules and torque tube may be evenly transmitted through the pair of bearing supports to a shear center of the pile.

    VARIABLE PROFILE SOLAR-TRACKING PHOTOVOLTAIC SYSTEM
    6.
    发明申请
    VARIABLE PROFILE SOLAR-TRACKING PHOTOVOLTAIC SYSTEM 审中-公开

    公开(公告)号：US20180175783A1

    公开(公告)日：2018-06-21

    申请号：US15387151

    申请日：2016-12-21

    Applicant: SUNPOWER CORPORATION

    Inventor： Mark Adam Schimelpfenig ,  Tyler Grushkowitz

    IPC: H02S20/32 ,  F24J2/54

    CPC classification number: H02S20/32 ,  F24S25/12 ,  F24S30/425 ,  F24S50/60 ,  F24S2030/11 ,  F24S2030/136 ,  F24S2030/19

    Abstract: Described herein are improved solar tracker systems having variable profiles and related operating methods thereof. Solar-tracking PV systems with variable twisted or aerodynamic profiles offer several advantages including improved wind stability, improved shading characteristics and/or capability to correct system component misalignment. In an embodiment, motor drives (and locking devices if present) of a PV system can be driven against each other to cause a desirable twisted or aerodynamic profile of a torque tube and associated PV modules mounted on the torque tube. The desired twisted or aerodynamic profiles can range from a substantially flat horizontal plate to a twisted helix-like profile and combinations thereof so as to establish improved wind and/or shading characteristics. Advantages can also include a reduction in structural materials, increased structural strength, increased solar energy yield or a combination thereof.

    Variable profile solar-tracking photovoltaic system
    7.
    发明授权
    Variable profile solar-tracking photovoltaic system 有权

    公开(公告)号：US10594252B2

    公开(公告)日：2020-03-17

    申请号：US15387151

    申请日：2016-12-21

    Applicant: SUNPOWER CORPORATION

    Inventor： Mark Adam Schimelpfenig ,  Tyler Grushkowitz

    IPC: H02N6/00 ,  H01L31/042 ,  H02S20/32 ,  F24S30/425 ,  F24S50/60 ,  F24S25/12 ,  F24S30/00

    Abstract: Described herein are improved solar tracker systems having variable profiles and related operating methods thereof. Solar-tracking PV systems with variable twisted or aerodynamic profiles offer several advantages including improved wind stability, improved shading characteristics and/or capability to correct system component misalignment. In an embodiment, motor drives (and locking devices if present) of a PV system can be driven against each other to cause a desirable twisted or aerodynamic profile of a torque tube and associated PV modules mounted on the torque tube. The desired twisted or aerodynamic profiles can range from a substantially flat horizontal plate to a twisted helix-like profile and combinations thereof so as to establish improved wind and/or shading characteristics. Advantages can also include a reduction in structural materials, increased structural strength, increased solar energy yield or a combination thereof.

    Photovoltaic system bearing assembly
    8.
    发明授权
    Photovoltaic system bearing assembly 有权

    公开(公告)号：US10320326B2

    公开(公告)日：2019-06-11

    申请号：US15254991

    申请日：2016-09-01

    Applicant: SUNPOWER CORPORATION

    Inventor： Mark Adam Schimelpfenig ,  Tyler Grushkowitz ,  Brian Wares

    IPC: H02N6/00 ,  H01L31/042 ,  H02S20/32 ,  F16M11/10 ,  F24S30/425 ,  F24S30/00

    Abstract: A photovoltaic (PV) system having a bearing assembly to support PV modules is described. In an example, the bearing assembly includes a pair of bearing supports having respective sub-rims. The sub-rims may have complementary arcuate seat surfaces, which when combined, define a curved seat rim to receive a bearing sleeve. Accordingly, the bearing supports may be mounted symmetrically about a pile such that the sub-rims combine to support the bearing sleeve, and a torque tube holding the PV modules may be mounted on the bearing sleeve. More particularly, the torque tube may be in sliding contact with the bearing sleeve, and a weight of the PV modules and torque tube may be evenly transmitted through the pair of bearing supports to a shear center of the pile.

    Sun tracking solar energy collection system with torsion lock
    9.
    发明授权
    Sun tracking solar energy collection system with torsion lock 有权

    公开(公告)号：US10174970B2

    公开(公告)日：2019-01-08

    申请号：US15261062

    申请日：2016-09-09

    Applicant: SunPower Corporation

    Inventor： Tyler Grushkowitz ,  Matthew Scott Lambert ,  Brian Wares ,  Mark Adam Schimelpfenig ,  Nicholas James McKibben

    IPC: F24J2/38 ,  H02S20/32 ,  F24S50/20 ,  F24S30/425 ,  F24J2/52 ,  F24J2/54 ,  F24S30/00

    Abstract: A rotation locking device for use in a row-level sun tracking solar energy collection system includes a housing, a first locking member, a second locking member, and an actuator. The housing is configured to be mounted to a pile and configured to permit a torque tube to extend through the housing. The first locking member has a plurality of circumferentially spaced projections attached to and rotatable with the torque tube. The second locking member is connected to the housing and has a plurality of mating elements for engaging projections of the first locking member. The actuator is configured to relatively move the first and second locking members between an unlocked position in which the mating elements are disengaged from the projections and a locked position in which the mating elements are engaged with the projections to inhibit rotation of the torque tube with respect to the housing.

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