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公开(公告)号：US11152813B2
公开(公告)日：2021-10-19
申请号：US16290457
申请日：2019-03-01
Applicant: GM Global Technology Operations LLC
Inventor： Lyall K. Winger , Dave G. Rich , Saad Hasan
Abstract: A battery control system includes a battery including: first, second, and third terminals; a plurality of individual groups of two or more battery cells; and a plurality of switches configured to connect ones of the individual groups to and from ones of the first, second, and third terminals. A mode module is configured to set a mode to a first mode when a fault is present in a charging source of the battery. A switch control module is configured to control the plurality of switches based on a first predetermined capacity allotment when the mode is in the first mode.
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公开(公告)号：US20200276911A1
公开(公告)日：2020-09-03
申请号：US16290541
申请日：2019-03-01
Applicant: GM Global Technology Operations LLC
Inventor： Dave G. RICH , Lyall K. Winger , Saad Hasan , Varsha K. Sadekar , Robert A. De Stefano , Gary W. Gantt, JR.
Abstract: In an example, a battery control system is disclosed. The battery control system can include a plurality of batteries, a first terminal, a second terminal, and a third terminal. The battery control system also includes a plurality of switches configured to connect a first battery of the plurality of batteries to and from the first terminal and the third terminal and to connect a second battery of the plurality of batteries to and from the second terminal and the third terminal. The battery control system also discloses a switch resistance modulation module configured to modulate a resistance of at least one switch of the plurality of switches between zero ohms and infinity ohms based on a battery parameter and a control signal.
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公开(公告)号：US11837704B2
公开(公告)日：2023-12-05
申请号：US17561031
申请日：2021-12-23
Applicant: GM Global Technology Operations LLC
Inventor： Jingyuan Liu , Dewen Kong , Dave G. Rich , Haijing Liu , Lyall K. Winger , Mark W. Verbrugge
IPC: H01M10/615 , H01M50/569
CPC classification number: H01M10/615 , H01M50/569
Abstract: An electrochemical device according to various aspects of the present disclosure includes an electrochemical cell and an inductor coil. The electrochemical cell includes a current collector. The current collector includes an electrically-conductive material. The inductor coil is configured to generate a magnetic field. The magnetic field is configured to induce an eddy current in the current collector to generate heat in the current collector. In various aspects, the present disclosure also provides a method of internally heating an electrochemical cell. In various aspects, the present disclosure also provides a method of controlling heating of an electrochemical cell.
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14.发明申请公开(公告)号：US20230093233A1
公开(公告)日：2023-03-23
申请号：US17563295
申请日：2021-12-28
Applicant: GM Global Technology Operations LLC
Inventor： Qili Su , Dewen Kong , Si Chen , Haijing Liu , Dave G. Rich , Lyall K. Winger
Abstract: A capacitor assisted battery module includes a first diode including an anode and a cathode. A second diode includes an anode and a cathode. The anode of the first diode is connected to the cathode of the second diode at a first node. A first capacitor assisted battery (CAB) block includes a positive terminal, a negative terminal and N CABs, where N is an integer greater than zero. The positive terminal of the first CAB block is connected to the cathode of the first diode. A second capacitor assisted battery (CAB) block includes a positive terminal, a negative terminal and N CABs, wherein the negative terminal of the second CAB block is connected to the anode of the second diode. The negative terminal of the first CAB block and the positive terminal of the second CAB block are connected to a second node.
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公开(公告)号：US20230074308A1
公开(公告)日：2023-03-09
申请号：US17467758
申请日：2021-09-07
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Chandra S. Namuduri , Dave G. Rich , Lyall K. Winger , Suresh Gopalakrishnan
Abstract: A system for modular dynamically adjustable capacity storage for a vehicle is provided. The system includes a battery pack including a plurality of battery cells, a negative terminal including a chassis ground connection, and a plurality of positive battery pack terminals. The negative terminal and the plurality of positive battery pack terminals are useful for connecting at least one electrical circuit through the battery pack. The system further includes a battery cell switching system, including a plurality of solid-state switches connected to each of the battery cells. The plurality of solid-state switches is operable to selectively connect a portion of the battery cells in parallel, selectively connect the portion of the battery cells in series, and selectively connect one of the plurality of battery cells to one of the plurality of positive battery pack terminals.
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Patent Agency Ranking
公开(公告)号：US11355953B2
公开(公告)日：2022-06-07
申请号：US17092395
申请日：2020-11-09
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Lyall K. Winger , Brandon E. Pieniozek
IPC: G01R31/58 , G01R31/00 , B60R16/033 , H02J9/06
Abstract: A system for a vehicle includes a battery of the vehicle, a plurality of switches connected to the battery, and a plurality of subsystems of the vehicle connected to the battery via the switches and wires. The system includes a controller configured to control the switches and the subsystems, and to identify a variation in a rate of change of current characteristic in frequency domain for a current loop including one of the switches, one of the subsystems, and a plurality of the wires. The controller is configured to determine integrity of the plurality of the wires and connections of the wires in the current loop based on the variation in the rate of change of current characteristic for the current loop.
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公开(公告)号：US11307043B2
公开(公告)日：2022-04-19
申请号：US16443565
申请日：2019-06-17
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gary W. Gantt, Jr. , Varsha K. Sadekar , Lyall K. Winger
Abstract: A system and method of managing electrical energy consumption and generation of a vehicle. The method includes: determining a vehicle operation schedule for the vehicle, wherein the vehicle operation schedule includes one or more expected vehicle trips that each include a vehicle start location, a vehicle end location, and a time period; obtaining forecasted vehicle trip data based on the vehicle operation schedule; obtaining forecasted vehicle operation data pertaining to the vehicle operation schedule; determining a vehicle energy plan for the vehicle based on the forecasted vehicle trip data and the forecasted vehicle operation data; and causing the vehicle to carry out the vehicle energy plan during the vehicle operation schedule.
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18.发明授权公开(公告)号：US11235748B2
公开(公告)日：2022-02-01
申请号：US16290570
申请日：2019-03-01
Applicant: GM Global Technology Operations LLC
Inventor： Dave G. Rich , Lyall K. Winger , Saad Hasan , Gary W. Gantt, Jr. , Mahmoud Abd Elhamid
Abstract: A battery control system includes first and second batteries each including first and second terminals configured to output a first voltage, third and fourth terminals configured to output a second voltage, a plurality of individually housed batteries, and a plurality of switches configured to connect ones of the individually housed batteries to and from ones of the first, second, third, and fourth terminals. A control module is configured to selectively provide the first voltage from either one of the first battery and the second battery to a first set of loads and selectively provide the second voltage from either one of the first battery and the second battery to a second set of loads.
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公开(公告)号：US11233407B2
公开(公告)日：2022-01-25
申请号：US16290602
申请日：2019-03-01
Applicant: GM Global Technology Operations LLC
Inventor： Lyall K. Winger , Dave G. Rich , Suresh Gopalakrishnan , Chandra S. Namuduri
Abstract: A battery includes: a first terminal; a second terminal; a plurality of individually housed batteries; a plurality of switches configured to connect ones of the individually housed batteries to and from ones of the first and second terminals; and a switch control module configured to: at a frequency, vary a voltage applied to a gate of one of the switches, the one of the switches configured to connect at least one of the individually housed batteries to one of the first and second terminals; and diagnose whether a fault is present in the one of the switches based on a voltage across the one of the switches.
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20.发明授权公开(公告)号：US11156665B2
公开(公告)日：2021-10-26
申请号：US16183895
申请日：2018-11-08
Applicant: GM Global Technology Operations LLC
Inventor： Dave G. Rich , Jonathan O. Conell , Robert A. De Stefano , Saad Hasan , Benjamin G. Wroblewski , Lyall K. Winger
IPC: G01R31/327 , G01R35/00 , G01R31/00 , B60L58/21 , B60K6/28
Abstract: A battery control system includes T contactor paths connected in parallel between a battery and a load, where T is an integer greater than one. Each of the T contactor paths includes a first contactor and a second contactor connected in series with the first contactor. Each of the T contactor paths includes at least one of a first voltage sensor configured to sense a first voltage between the first contactor and the second contactor; and a current sensor configured to sense current flowing through the first contactor and the second contactor. A second voltage sensor is configured to sense a second voltage at one end of the T contactor paths. A third voltage sensor is configured to sense a third voltage at an opposite end of the T contactor paths.
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