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1. 发明公开

US20230417527A1 SYSTEMS, METHODS, AND DEVICES FOR MEASURING TEAR SEAM THICKNESSES OF BREAKWAY PANELS FOR VEHICLE AIRBAGS 审中-公开
公开(公告)号：US20230417527A1
公开(公告)日：2023-12-28
申请号：US17847820
申请日：2022-06-23
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： William Osad , Michael P. Balogh , Lane G. Lindstrom
IPC分类号： G01B3/24
CPC分类号： G01B3/24 , B60R21/2342
摘要： Presented are devices for measuring dimensions of tear seams, methods for making/using such devices, and handheld clamp calipers for gauging material thicknesses of tear seams in passenger airbag breakaway panels. A handheld or automated measurement tool for determining seam dimensions includes first and second jaws operatively attached to a calibrated scale. The calibrated scale displays a measurement value fora dimension of a seam. The first jaw includes a first jaw tip projecting from a first jaw mandible. The second jaw includes a second jaw tip projecting from a second jaw mandible, which is movably attached with the first jaw mandible. Each of the jaw tips contacts a respective surface of the seam. An interior edge of the second jaw tip is disposed at an oblique angle of less than 90 degrees from an interior edge of the second jaw mandible.

2. 发明公开

US20230299359A1 ELECTROLYTE COMPOSITION FOR LITHIUM-ION CELLS WITH SILICON ELECTRODES 审中-公开
公开(公告)号：US20230299359A1
公开(公告)日：2023-09-21
申请号：US17695304
申请日：2022-03-15
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC , c/o Bar-Ilan University
发明人： Ion C. Halalay , Doron Aurbach , Shalom Luski , Michael P. Balogh , Nicole Ellison , Jiazhi Hu
IPC分类号： H01M10/0569 , H01M10/0567 , H01M10/0568 , H01M10/0525 , H01M4/38
CPC分类号： H01M10/0569 , H01M4/386 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M2004/027
摘要： An electrolyte composition for use in a battery system including a silicon-based negative electrode having active material particles is provided. The electrolyte composition includes a polar solvent selected from the group consisting of ethylene carbonate, propylene carbonate, sulfolane, γ-butyrolactone, and combinations thereof and at least one lithium salt dissolved in the polar solvent at a concentration of at least 2 moles of the at least one lithium salt per 1 liter of the polar solvent. The at least one lithium salt and the polar solvent add dipoles to the electrolyte composition configured for reducing an electric field present at a surface of each of the active material particles in the silicon-based negative electrode of the battery system.

3. 发明公开

US20230170529A1 X-RAY FLUORESCENCE (XRF) MAPPING FOR ANODE INSPECTION 审中-公开
公开(公告)号：US20230170529A1
公开(公告)日：2023-06-01
申请号：US17539421
申请日：2021-12-01
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Shaomao Xu , Michael P. Balogh , Daad Bourhan Haddad
IPC分类号： H01M10/058 , H01M10/052 , H01M4/134
CPC分类号： H01M10/058 , H01M10/052 , H01M4/134
摘要： Aspects of the disclosure include leveraging an X-ray fluorescence (XRF) mapping of copper current collectors for non-contact, non-destructive, in-line quality inspections of thin lithium metal anodes. An exemplary method can include receiving an electrode at a detection surface of the XRF detector. The electrode can include the lithium anode on a surface of a current collector. X-rays are passed through the lithium anode and into the current collector and the intensity of characteristic radiation returning from the current collector is measured at the XRF detector. A lithium anode characteristic can be inferred based on the measured intensity of characteristic radiation from the current collector.

4. 发明授权

US10944096B2 Method of manufacturing a lithium metal negative electrode 有权
公开(公告)号：US10944096B2
公开(公告)日：2021-03-09
申请号：US15949609
申请日：2018-04-10
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Fang Dai , Hongliang Wang , Wayne Cai , Mei Cai , Michael P. Balogh
IPC分类号： H01M4/62 , H01M4/72 , H01M4/74 , H01M4/82 , H01M6/00 , H01M4/04 , H01M4/66 , H01M4/38 , H01M4/134 , H01M10/052 , B23K26/22 , B23K26/354 , H01M4/1395 , H01M4/02 , B23K101/36
摘要： A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by welding together a lithium metal layer and a metallic current collector layer. The lithium metal layer and the current collector layer may be arranged adjacent one another and in an at least partially lapped configuration such that faying surfaces of the layers confront one another and establish a faying interface therebetween at a weld site. A laser beam may be directed at an outer surface of the current collector layer at the weld site to melt a portion of the lithium metal layer adjacent the faying surface of the current collector layer and produce a lithium metal molten weld pool. The laser beam may be terminated to solidify the molten weld pool into a solid weld joint that physically bonds the lithium metal layer and the current collector layer together at the weld site.

5. 发明申请

US20190319259A1 METHODS OF PREPARING LITHIUM METAL ANODES 审中-公开
公开(公告)号：US20190319259A1
公开(公告)日：2019-10-17
申请号：US15955319
申请日：2018-04-17
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Michael P. Balogh , Hongliang Wang , Fang Dai , Tengjiao Qi
IPC分类号： H01M4/1395 , H01M4/134 , H01M4/66 , H01M4/40 , H01M4/04
摘要： A lithium-based electrode assembly and methods of formation relating thereto are provided. The lithium-based electrode assembly comprises a metal current collector, an electrode comprising lithium metal, and an intermediate layer disposed therebetween. The intermediate layer comprising an intermetallic compound comprising the lithium metal of the electrode and a metal selected from the group consisting of: aluminum, silver, gold, barium, bismuth, boron, calcium, cadmium, carbon, gallium, germanium, mercury, indium, iridium, lead, palladium, platinum, rhodium, antimony, selenium, silicon, tin, strontium, sulfur, tellurium, zinc, and combinations thereof. The method of forming the lithium assembly includes coating a surface of the metal current collector with the intermediate layer; disposing the electrode onto an exposed surface of the intermediate layer; and heating the electrode, the intermediate layer, and the metal current collector to form the lithium intermetallic compound, which joins the metal current collector and the electrode together.

6. 发明申请

US20190006920A1 ROTOR FOR AN INDUCTION MOTOR 审中-公开
公开(公告)号：US20190006920A1
公开(公告)日：2019-01-03
申请号：US15636745
申请日：2017-06-29
申请人： GM Global Technology Operations LLC
发明人： John S. Agapiou , Thomas A. Perry , James G. Schroth , Hongliang Wang , Michael P. Balogh
IPC分类号： H02K15/00 , B22D19/00 , H02K17/16
摘要： A rotor for an induction motor includes a first shorting end ring, a second shorting end ring, and a plurality of conductor bars. Each conductor bar has a first end and a second end and is coated with an electrically conductive material. The first end of each conductor bar is in electrical and mechanical contact with the first shorting end ring, and the second end of each conductor bar is in electrical and mechanical contact with the second shorting end ring. The conductive material is disposed between each conductor bar and the respective shorting end rings.

7. 发明申请

US20170330684A1 CURVILINEAR MAGNET AND METHOD OF FABRICATION 审中-公开
公开(公告)号：US20170330684A1
公开(公告)日：2017-11-16
申请号：US15150760
申请日：2016-05-10
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Michael P. Balogh , Frederick E. Pinkerton , Anil Singh Bika , Ingrid A. Rousseau
IPC分类号： H01F41/02 , H02K15/03 , H01F13/00
摘要： A method of fabricating a curvilinear magnet includes forming at least one slot in a material billet. The slotted material billet is inserted into a mold having a curvilinear pocket. The mold is closed around the slotted material billet such that the slotted material billet conforms to the curvilinear pocket and forms a curvilinear billet. The curvilinear billet is arranged in a structure. The curvilinear billet arranged in the structure is then magnetized.

8. 发明授权

US09593737B2 Pressure valve for gas spring 有权
标题翻译：气弹簧用压力阀
公开(公告)号：US09593737B2
公开(公告)日：2017-03-14
申请号：US14594704
申请日：2015-01-12
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Joel Colombo , Michael P. Balogh
IPC分类号： F16F9/52 , F16F9/02
CPC分类号： F16F9/526 , F16F9/0218 , F16F9/0281
摘要： A pneumatic spring strut assembly comprises a cylinder wall defining an interior volume having a working end and a boosting chamber adjacent to the working end, the working end including a first volume of gas and the boosting chamber including a second volume of gas, a piston assembly disposed for reciprocation in the working end of the interior volume, a piston rod having a proximal end secured to the piston and a distal end projecting out of the interior volume, a temperature control valve assembly disposed in the interior volume separating the working end from the boosting chamber and including an engineered portion that is configured to prevent fluid flow between the working end and the boosting chamber while the first volume of gas is present in the working end and to permit fluid flow between the working end and the boosting chamber should the working end be evacuated of the first volume of gas.
摘要翻译：气动弹簧支柱组件包括气缸壁，其限定具有工作端的内部容积和与工作端相邻的增压室，工作端包括第一体积的气体，增压室包括第二体积的气体，活塞组件设置在所述内部容积的工作端中往复运动的活塞杆，具有固定到所述活塞的近端的活塞杆和从所述内部容积伸出的远端;温度控制阀组件，设置在所述内部容积中，所述温度控制阀组件将所述工作端与增压室并且包括被设计成防止流体在工作端和增压室之间流动的工程部分，同时第一体积的气体存在于工作端中并且如果工作端和增压室之间流体流动，端部排出第一体积的气体。

9. 发明申请

US20160201754A1 PRESSURE VALVE FOR GAS SPRING 有权
标题翻译：气压弹簧阀
公开(公告)号：US20160201754A1
公开(公告)日：2016-07-14
申请号：US14594704
申请日：2015-01-12
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Joel Colombo , Michael P. Balogh
IPC分类号： F16F9/52 , F16F9/02
CPC分类号： F16F9/526 , F16F9/0218 , F16F9/0281
摘要： A pneumatic spring strut assembly comprises a cylinder wall defining an interior volume having a working end and a boosting chamber adjacent to the working end, the working end including a first volume of gas and the boosting chamber including a second volume of gas, a piston assembly disposed for reciprocation in the working end of the interior volume, a piston rod having a proximal end secured to the piston and a distal end projecting out of the interior volume, a temperature control valve assembly disposed in the interior volume separating the working end from the boosting chamber and including an engineered portion that is configured to prevent fluid flow between the working end and the boosting chamber while the first volume of gas is present in the working end and to permit fluid flow between the working end and the boosting chamber should the working end be evacuated of the first volume of gas.
摘要翻译：气动弹簧支柱组件包括气缸壁，其限定具有工作端的内部容积和与工作端相邻的增压室，工作端包括第一体积的气体，增压室包括第二体积的气体，活塞组件设置在所述内部容积的工作端中往复运动的活塞杆，具有固定到所述活塞的近端的活塞杆和从所述内部容积伸出的远端;温度控制阀组件，设置在所述内部容积中，所述温度控制阀组件将所述工作端与增压室并且包括被设计成防止流体在工作端和增压室之间流动的工程部分，同时第一体积的气体存在于工作端中并且如果工作端和增压室之间流体流动，端部排出第一体积的气体。

10. 发明公开

US20230251212A1 IMAGE PROCESSING AND DETECTION OF DISCONTINUITIES IN BATTERY CELLS 审中-公开
公开(公告)号：US20230251212A1
公开(公告)日：2023-08-10
申请号：US17665829
申请日：2022-02-07
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Sean Robert Wagner , Megan E. McGovern , Dmitriy Bruder , Ratandeep Singh Kukreja , Michael P. Balogh , Ryan Curtis Sekol
IPC分类号： G01N23/18 , G06T7/00 , G06T5/50 , H01M10/04 , G01N23/083
CPC分类号： G01N23/18 , G06T7/001 , G06T5/50 , H01M10/04 , G01N23/083 , G06T2207/10116 , G06T2207/20081 , G06T2207/20224 , G01N2223/401 , G01N2223/611
摘要： A system for evaluating a battery cell includes an imaging device configured to take an image of at least part of the battery cell, and a processor. The processor is configured to perform: determining a region of interest in the acquired image, reducing a sharpness of the acquired image to generate a reference image, comparing the acquired image and the reference image, and identifying a discontinuity of the battery cell based on a difference between the acquired image and the reference image.

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