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    METHOD OF LEAK TESTING A LOW CONDUCTIVITY PART
    11.
    发明申请
    METHOD OF LEAK TESTING A LOW CONDUCTIVITY PART 审中-公开

    公开(公告)号：US20180231368A1

    公开(公告)日：2018-08-16

    申请号：US15434137

    申请日：2017-02-16

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Edgar P. Calderon ,  Roger M. Brisbane ,  Herman K. Phlegm

    IPC: G01B7/06 ,  G01M3/40

    Abstract: A method of leak testing a fluid passage of a part manufactured from a low conductivity material includes measuring an electrical resistance between an interior wall surface of the fluid passage of the part, and an exterior wall surface of the fluid passage of the part. The measured electrical resistance is compared to a threshold value to determine if the measured electrical resistance is equal to or greater than the threshold value, or if the measured electrical resistance is less than the threshold value. The threshold value is equal to a nominal wall thickness of the fluid passage multiplied by a resistivity of the material used to form the part. The part passes the leak test when the measured electrical resistance is equal to or greater than the threshold value. The part fails the leak test when the measured electrical resistance is less than the threshold value.

    Method of assembling power module via folding
    13.
    发明授权
    Method of assembling power module via folding 有权

    公开(公告)号：US10375830B2

    公开(公告)日：2019-08-06

    申请号：US15612145

    申请日：2017-06-02

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Evan J. Dawley ,  Roger M. Brisbane

    IPC: H05K1/18 ,  H01M2/22 ,  H01M10/655 ,  H01M10/6555 ,  H01M10/42 ,  H01M2/20 ,  H01M10/04

    Abstract: A method of assembling a power module includes placing a first plurality of cells adjacent to one another to form a first cell layer. A flexible circuit layer is positioned above the first cell layer, the flexible circuit being electrically conductive. A second plurality of cells is positioned adjacent to one another to form a second cell layer aligned with the first cell layer such that the flexible circuit layer is sandwiched between the first cell layer and the second cell layer. The flexible circuit layer is folded along each of a plurality of axes of rotation such that each one of the first plurality of cells faces another one of the second plurality of cells. Each of the first plurality of cells and the second plurality of cells has respective first and second tabs (extending from their respective short ends) which are welded to the flexible circuit layer.

    ARC SUPPRESSION AND PROTECTION OF INTEGRATED FLEX CIRCUIT FUSES FOR HIGH VOLTAGE APPLICATIONS UNDER CHEMICALLY HARSH ENVIRONMENTS
    14.
    发明申请
    ARC SUPPRESSION AND PROTECTION OF INTEGRATED FLEX CIRCUIT FUSES FOR HIGH VOLTAGE APPLICATIONS UNDER CHEMICALLY HARSH ENVIRONMENTS 审中-公开
    用于化学危害环境下高压应用的集成式复合电路熔断器的电弧抑制和保护

    公开(公告)号：US20170003349A1

    公开(公告)日：2017-01-05

    申请号：US14790116

    申请日：2015-07-02

    Applicant: GM Global Technology Operations LLC

    Inventor： Evan J. Dawley ,  Roger M. Brisbane ,  Cammi L. Siu

    IPC: G01R31/36 ,  H01M10/48

    CPC classification number: G01R31/3835 ,  G01R31/025 ,  G01R31/396 ,  H01M2/1077 ,  H01M2/206 ,  H01M10/482 ,  H01M2200/103 ,  H01M2220/20

    Abstract: A battery pack, an integrated device for sensing individual battery voltages in a battery pack and protecting the battery pack in the event of a circuit-breaking event, and a method of forming an integrated voltage-sensing circuit for use in a battery-powered automobile propulsion system. The battery pack includes numerous voltage sensing circuits with patterned sense line trace fuses and an encapsulant formed around each of the fuses. The encapsulant is robust enough to provide environmental isolation of the patterned fuse such that the tendency of the fuse to form short-circuit connections to adjacent circuits is avoided under both normal battery pack operation and after a circuit-breaking episode where the fuse blows.

    Abstract translation: 一种电池组，用于感测电池组中的单个电池电压并在断路事件的情况下保护电池组的集成装置，以及形成用于电池供电汽车的集成电压检测电路的方法 推进系统。 电池组包括许多具有图案感测线迹线熔丝的电压感测电路和围绕每个保险丝形成的密封剂。 密封剂足够坚固以提供图案化保险丝的环境隔离，使得在正常电池组操作和保险丝熔断的断路事件之后避免了熔断器与相邻电路形成短路连接的趋势。

    BATTERY CELL COOLING PLATE
    15.
    发明申请
    BATTERY CELL COOLING PLATE 有权
    电池冷却板

    公开(公告)号：US20160043454A1

    公开(公告)日：2016-02-11

    申请号：US14453786

    申请日：2014-08-07

    Applicant: GM Global Technology Operations LLC

    Inventor： Robert N. Shaaia ,  Roger M. Brisbane

    IPC: H01M10/6557

    CPC classification number: H01M10/6557 ,  F28F3/12 ,  F28F21/065 ,  F28F2265/24 ,  F28F2275/025

    Abstract: A cooling plate design for cooling a battery cell is provided that employs a plastic plate having cutouts for coolant flow paths. The plastic plate has a layer of adhesive film on each side to maintain coolant in the channels. Compression within an alternating battery cell and coolant plate stack provides pressure that minimizes coolant load on the film. Methods to manufacture the cooling plate are also provided.

    Abstract translation: 提供了用于冷却电池单元的冷却板设计，其采用具有用于冷却剂流动路径的切口的塑料板。 塑料板在每侧都有一层粘合剂膜，以保持通道中的冷却剂。 在交替的电池单元和冷却剂板堆叠内的压缩提供最小化薄膜上的冷却剂负载的压力。 还提供了制造冷却板的方法。

    BATTERY ASSEMBLY
    18.
    发明申请
    BATTERY ASSEMBLY 审中-公开

    公开(公告)号：US20180358669A1

    公开(公告)日：2018-12-13

    申请号：US15616517

    申请日：2017-06-07

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Roger M. Brisbane ,  Todd H. Fast

    IPC: H01M10/6555 ,  H01M10/0525 ,  H01M10/617 ,  H01M10/653 ,  H01M10/625

    CPC classification number: H01M10/6555 ,  H01M10/0525 ,  H01M10/617 ,  H01M10/625 ,  H01M10/653 ,  H01M2220/20

    Abstract: A rechargeable battery assembly includes battery cells, a plurality of heat spreaders, a first heat exchanger and a second heat exchanger. Each heat spreader includes a plate portion, a first end portion and a second end portion. The battery cells are disposed in a stacked arrangement, with the heat spreaders interleaved between adjacent ones of the battery cells. Fluidic channels includes a first port that is in fluidic communication with the first manifold and a second port that is in fluidic communication with the second manifold. The fluidic channels are disposed between the first and second fluidic manifolds. The stacked arrangement is interposed between the first heat exchanger and the second heat exchanger. The first end portions of the heat spreaders are in thermal contact with the first heat exchanger and the second end portions of the heat spreaders are in thermal contact with the second heat exchanger.

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