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    Liquid-cooled battery module
    1.
    发明授权
    Liquid-cooled battery module 有权
    液冷电池模块

    公开(公告)号：US08999548B2

    公开(公告)日：2015-04-07

    申请号：US13798893

    申请日：2013-03-13

    Applicant: GM Global Technology Operations LLC

    Inventor： Hongguang Sun ,  Regan P. Dixon

    IPC: H01M10/50 ,  H01M10/6556 ,  H01M10/613 ,  H01M10/617 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6567 ,  H01M2/10

    CPC classification number: H01M10/6567 ,  H01M2/1077 ,  H01M10/613 ,  H01M10/617 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6556 ,  Y10T29/49108

    Abstract: A battery module having a cooling plate assembly made from two non-contiguous cooling plates is provided. Each cooling plate has a side panel contiguous with a base panel, and the cooling plates are disposed opposite one another such that the base panels are coplanar and separated by a gap. An inlet duct runs along an upper edge of each side panel, and a manifold having coolant channels in fluid communication with the inlet duct is located in each side panel. The base panels have an outlet duct in fluid communication with the manifold. The cooling plate is designed to decrease friction loss as coolant flows through the inlet duct, manifold and outlet cut, and coolant channels in the manifold are designed to maintain a uniform flow rate across the manifold. Individual cells are disposed in the assembly such that the cell sides and bottoms are in heat-transfer contact with the plate side and base panels, respectively. The design of the battery module reduces operational temperature variation in the cells across the battery module and within each battery cell. Methods for reducing coolant flow friction loss, for establishing a more uniform coolant flow rate, and for reducing temperature variation are also provided.

    Abstract translation: 提供具有由两个不连续冷却板制成的冷却板组件的电池模块。 每个冷却板具有与基板相邻的侧板，并且冷却板彼此相对设置，使得基板是共面的并且由间隙分开。 入口管道沿着每个侧板的上边缘延伸，并且具有与入口管道流体连通的冷却剂通道的歧管位于每个侧板中。 底板具有与歧管流体连通的出口管道。 冷却板被设计成当冷却剂流过入口管道，歧管和出口切口时减小摩擦损失，并且歧管中的冷却剂通道被设计成在歧管上保持均匀的流速。 单独的电池被放置在组件中，使得电池侧和底部分别与板侧和底板热传递接触。 电池模块的设计降低了电池模块和每个电池单元内的电池的工作温度变化。 还提供了减少冷却剂流动摩擦损失的方法，用于建立更均匀的冷却剂流动速率和降低温度变化的方法。

    Flow uniformity of air-cooled battery packs
    5.
    发明授权
    Flow uniformity of air-cooled battery packs 有权
    风冷电池组的流动均匀性

    公开(公告)号：US09446681B2

    公开(公告)日：2016-09-20

    申请号：US14166933

    申请日：2014-01-29

    Applicant: GM Global Technology Operations LLC

    Inventor： Hongguang Sun ,  Regan P. Dixon

    IPC: H01M10/02 ,  H01M10/36 ,  B60L11/18 ,  B60L3/00 ,  H01M10/65 ,  H01M10/613 ,  H01M10/60 ,  H01M10/625

    CPC classification number: B60L11/1874 ,  B60L3/0046 ,  B60L2240/545 ,  H01M10/60 ,  H01M10/613 ,  H01M10/625 ,  H01M10/65 ,  Y02T10/7005 ,  Y10S903/907

    Abstract: A battery pack and method of cooling a battery pack. In one form, the battery pack is an assembly made up of numerous battery cells arranged within numerous modules. Cooling channels that receive cooling fluid from a ducted supply are placed between adjacent cells or cooling plates within each of the modules. The ducted supply includes beads or related area-increasing undulations that are designed to improve both the stiffness of the ducting as well as the uniformity of the flow rates of individual cooling channels within each of the modules. In one form, the pressure-enhancing beads are placed in an inlet portion of the ducting that is adjacent a forward portion of one or more of the sequentially-encountered modules in order to promote a more equitable distribution of the cooling fluid between the various cooling channels within each of the modules.

    Abstract translation: 电池组和电池组的冷却方法。 在一种形式中，电池组是由许多电池单元组成的组件，其布置在许多模块内。 从管道电源接收冷却流体的冷却通道放置在每个模块内的相邻电池或冷却板之间。 管道供应包括珠子或相关的增加面积的波浪，其被设计成改善管道的刚度以及每个模块内各个冷却通道的流速的均匀性。 在一种形式中，增压珠被放置在管道的入口部分中，其与一个或多个顺序遇到的模块的前部相邻，以促进冷却流体在各种冷却之间更均衡的分布 每个模块内的通道。

    System and method for utilizing inertial force for water displacement
    8.
    发明授权
    System and method for utilizing inertial force for water displacement 有权

    公开(公告)号：US10473925B2

    公开(公告)日：2019-11-12

    申请号：US15415094

    申请日：2017-01-25

    Applicant: GM Global Technology Operations LLC

    Inventor： Michael D. Alarcon ,  Norman J. Weigert ,  Dan W. Mepham ,  Hongguang Sun

    IPC: G02B27/00 ,  G03B17/02

    Abstract: A self-cleaning lens system disposed adjacent a camera is disposed. The system may incorporate a piezoelectric (PZT) lens system having a first PZT element secured to a first peripheral portion of the lens element, which may be responsive to an alternating current (AC) signal applied to the first PZT element. An AC signal may excite the first PZT element to cause shear displacements in opposite longitudinal directions and to create an oscillating shear motion for the first PZT element. The oscillating shear motion may cause an oscillating rotational movement of the lens element that removes the environmental element from a surface of the lens element.

    FLOW UNIFORMITY OF AIR-COOLED BATTERY PACKS
    9.
    发明申请
    FLOW UNIFORMITY OF AIR-COOLED BATTERY PACKS 有权
    空气冷却电池组的流量均匀性

    公开(公告)号：US20150210184A1

    公开(公告)日：2015-07-30

    申请号：US14166933

    申请日：2014-01-29

    Applicant: GM Global Technology Operations LLC

    Inventor： Hongguang Sun ,  Regan P. Dixon

    IPC: B60L11/18

    CPC classification number: B60L11/1874 ,  B60L3/0046 ,  B60L2240/545 ,  H01M10/60 ,  H01M10/613 ,  H01M10/625 ,  H01M10/65 ,  Y02T10/7005 ,  Y10S903/907

    Abstract: A battery pack and method of cooling a battery pack. In one form, the battery pack is an assembly made up of numerous battery cells arranged within numerous modules. Cooling channels that receive cooling fluid from a ducted supply are placed between adjacent cells or cooling plates within each of the modules. The ducted supply includes beads or related area-increasing undulations that are designed to improve both the stiffness of the ducting as well as the uniformity of the flow rates of individual cooling channels within each of the modules. In one form, the pressure-enhancing beads are placed in an inlet portion of the ducting that is adjacent a forward portion of one or more of the sequentially-encountered modules in order to promote a more equitable distribution of the cooling fluid between the various cooling channels within each of the modules.

    Abstract translation: 电池组和电池组的冷却方法。 在一种形式中，电池组是由许多电池单元组成的组件，其布置在许多模块内。 从管道电源接收冷却流体的冷却通道放置在每个模块内的相邻电池或冷却板之间。 管道供应包括珠子或相关的增加面积的波浪，其被设计成改善管道的刚度以及每个模块内各个冷却通道的流速的均匀性。 在一种形式中，增压珠被放置在管道的入口部分中，其与一个或多个顺序遇到的模块的前部相邻，以促进冷却流体在各种冷却之间更均衡的分布 每个模块内的通道。

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