公开(公告)号：US12233697B2

公开(公告)日：2025-02-25

申请号：US17817302

申请日：2022-08-03

Applicant: PROTERRA POWERED LLC

Inventor： Dustin Grace ,  Brian Pevear

IPC: B60K1/04 ,  B60L1/02 ,  B60L3/00 ,  B60L3/04 ,  B60L50/60 ,  B60L50/64 ,  B60L58/12 ,  B60L58/13 ,  B60L58/18 ,  B60L58/21 ,  B60L58/22 ,  B60L58/27 ,  H01M10/0525 ,  H01M10/44 ,  H01M10/48 ,  H01M10/615 ,  H01M10/625 ,  H01M10/637 ,  H01M10/6568 ,  H01M10/657 ,  H01M10/6571 ,  H01M50/249 ,  B60K1/00 ,  H01M10/42 ,  H01M50/572

Abstract: A battery system for an electric vehicle includes a first battery module with a first heater and a second battery module with a second heater. The battery system also includes a control system configured to selectively activate the first or the second heater to dissipate energy from the first or the second battery module.

公开(公告)号：US20250033526A1

公开(公告)日：2025-01-30

申请号：US18917397

申请日：2024-10-16

Applicant: BYD Company Ltd.

Inventor： Shi Xiong ,  Tianyu Feng ,  Linwang Deng

IPC: B60L58/19 ,  B60L58/21 ,  H01M10/42 ,  H01M10/46 ,  H02J7/34

Abstract: A battery circuit, comprising a power supply terminal, a first battery pack, a second battery pack, a voltage transformation unit, a first switch, a second switch and a grounding terminal, wherein a positive electrode of the first battery pack is connected to the power supply terminal, and a negative electrode thereof is connected to a positive electrode of the second battery pack; a negative electrode of the second battery pack is connected to the grounding terminal; a first terminal of the first switch is connected to the power supply terminal, and a second terminal thereof is connected to a first terminal of the second switch; a second terminal of the second switch is connected to the grounding terminal; the voltage transformation unit is connected between the first battery pack and the first switch. Also disclosed is a vehicle comprising the battery circuit.

公开(公告)号：US12208694B2

公开(公告)日：2025-01-28

申请号：US18135318

申请日：2023-04-17

Applicant: CPS Technology Holdings LLC

Inventor： Ronald J. Dulle ,  Mark D. Gunderson ,  Bryan L. Thieme ,  Richard M. DeKeuster ,  Edward J. Soleski ,  Robert J. Mack ,  Gary P. Houchin-Miller ,  Stephen D. Cash ,  Lisa L. Winders ,  Jack L. Johnson

IPC: H01M50/284 ,  B60L1/00 ,  B60L1/02 ,  B60L1/14 ,  B60L3/00 ,  B60L3/12 ,  B60L15/20 ,  B60L50/16 ,  B60L50/51 ,  B60L50/60 ,  B60L50/61 ,  B60L50/64 ,  B60L58/15 ,  B60L58/21 ,  B60L58/26 ,  B60R16/03 ,  B60R16/033 ,  G01R31/3835 ,  H01H47/32 ,  H01M10/04 ,  H01M10/058 ,  H01M10/42 ,  H01M10/48 ,  H01M10/6551 ,  H01M50/20 ,  H01M50/209 ,  H01M50/264 ,  H01M50/271 ,  H01M50/287 ,  H01M50/291 ,  H01M50/30 ,  H01M50/308 ,  H01M50/342 ,  H01M50/35 ,  H01M50/358 ,  H01M50/367 ,  H01M50/50 ,  H01M50/502 ,  H01M50/507 ,  H01M50/528 ,  H01M50/529 ,  H01M50/543 ,  H01M50/569 ,  H01M50/572 ,  H01M50/583 ,  H05K1/02 ,  H05K1/18 ,  H05K3/32 ,  G01R31/385 ,  G01R31/52 ,  H01M4/66 ,  H01M50/571 ,  H01M50/597 ,  H01R12/71 ,  H02H7/18

Abstract: A battery module includes a housing, a plurality of battery cells disposed in the housing, and a printed circuit board (PCB) assembly disposed in the housing. The PCB assembly includes a PCB and a shunt disposed across a first surface of the PCB. A second surface of the shunt directly contacts the first surface of the PCB, and the shunt is electrically coupled between the battery cells and a terminal of the battery module.

公开(公告)号：US20240375546A1

公开(公告)日：2024-11-14

申请号：US18293017

申请日：2022-07-21

Applicant: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH

Inventor： David KISS ,  Andras DERZSI ,  Peter LINDNER ,  Huba NEMETH

IPC: B60L58/21 ,  B60L3/00

Abstract: An energy provision system and operation method for a commercial vehicle equipped with the energy provision system are disclosed. The energy provision system includes: a first energy provision unit that is configured to provide energy and includes a first energy provision control unit configured to surveil operation parameters of the first energy provision unit; a second energy provision unit that is configured to store energy and includes a second energy provision control unit configured to surveil operation parameters of the second energy provision unit; and an internal communication unit that is configured to provide data communication exclusively within the energy provision system.

公开(公告)号：US20240359591A1

公开(公告)日：2024-10-31

申请号：US18307669

申请日：2023-04-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Azeem Sarwar ,  Chaitanya Sankavaram ,  Muhammad Aneeq Uz Zaman

IPC: B60L58/16 ,  B60L58/21 ,  G01R31/367 ,  G01R31/378 ,  G01R31/3835 ,  G01R31/396

CPC classification number: B60L58/16 ,  B60L58/21 ,  G01R31/367 ,  G01R31/378 ,  G01R31/3835 ,  G01R31/396

Abstract: Embodiments include methods and systems for identifying a root cause of battery cell degradation in a battery pack. Aspects include collecting voltage data for a plurality of battery cells in the battery pack and identifying a first cell of the plurality of battery cells as a defective battery cell. Aspects also include identifying a second cell of the plurality of battery cells as a nominal battery cell and calculating a self-discharge of the defective battery cell based on the voltage data of the defective battery cell and the nominal battery cell. Aspects further include calculating a capacity fade of the defective battery cell based on the voltage data of the defective battery cell and the nominal battery cell and determining the root cause of a defect of the defective battery cell based on the self-discharge and the capacity fade of the defective cell.

公开(公告)号：US20240283077A1

公开(公告)日：2024-08-22

申请号：US18561029

申请日：2022-06-06

Applicant: Ethium, LLC

Inventor： Kennon Guglielmo

IPC: H01M50/269 ,  B60L50/64 ,  B60L58/12 ,  B60L58/19 ,  B60L58/21 ,  H01M10/42 ,  H01M10/46 ,  H01M10/48 ,  H01M50/249 ,  H01M50/507

CPC classification number: H01M50/269 ,  B60L50/64 ,  B60L58/12 ,  B60L58/19 ,  B60L58/21 ,  H01M10/425 ,  H01M10/46 ,  H01M10/48 ,  H01M50/249 ,  H01M50/507 ,  B60L2200/42 ,  H01M2010/4278 ,  H01M2220/20

Abstract: A battery assembly including a housing sized to be replaceably installed within a battery assembly compartment of an electric vehicle. Where a plurality of battery modules are disposed within the housing. The battery assembly includes a battery module charging assembly electrically coupled with a negative module terminal and a positive module terminal of each of the plurality of battery modules and disposed within the battery assembly housing. The battery module charging assembly includes a power supply plug configured to deliver electrical energy from the plurality of battery modules to the electric vehicle, a power charging port configured to be coupled with and receive electrical energy from a power source for charging the plurality of battery modules. The charging assembly further includes control circuitry configured to control charging operations of the battery assembly and a switch configured to connect the plurality of battery modules in parallel or series.

公开(公告)号：US12043121B2

公开(公告)日：2024-07-23

申请号：US17410883

申请日：2021-08-24

Applicant: iRobot Corporation

Inventor： Nikolai Romanov ,  Michael J. Dooley ,  Paolo Pirjanian

IPC: B60L15/20 ,  A47L9/28 ,  A47L11/24 ,  A47L11/40 ,  B60L1/00 ,  B60L3/10 ,  B60L50/52 ,  B60L50/60 ,  B60L53/14 ,  B60L58/21 ,  G05D1/00

CPC classification number: B60L15/2036 ,  A47L9/2873 ,  A47L11/24 ,  A47L11/4011 ,  A47L11/4036 ,  A47L11/4061 ,  B60L1/003 ,  B60L3/106 ,  B60L15/20 ,  B60L50/52 ,  B60L50/66 ,  B60L53/14 ,  B60L58/21 ,  G05D1/0219 ,  G05D1/0234 ,  A47L2201/022 ,  A47L2201/04 ,  B60L2200/40 ,  B60L2220/44 ,  B60L2240/14 ,  B60L2240/32 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/461 ,  B60L2240/463 ,  B60L2240/465 ,  B60L2240/62 ,  B60L2250/16 ,  B60L2260/32 ,  Y02T10/64 ,  Y02T10/70 ,  Y02T10/7072 ,  Y02T10/72 ,  Y02T90/14 ,  Y02T90/16

Abstract: A robotic cleaner includes a cleaning assembly for cleaning a surface and a main robot body. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and a width of the cleaning assembly is greater than a width of the main robot body. A robotic cleaning system includes a main robot body and a plurality of cleaning assemblies for cleaning a surface. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and each of the cleaning assemblies is detachable from the main robot body and each of the cleaning assemblies has a unique cleaning function.

公开(公告)号：US20240243373A1

公开(公告)日：2024-07-18

申请号：US18422792

申请日：2024-01-25

Applicant: LT350, LLC

Inventor： Jeffrey Thramann

IPC: H01M10/46 ,  B60L50/64 ,  B60L53/30 ,  B60L53/51 ,  B60L53/63 ,  B60L53/64 ,  B60L53/65 ,  B60L53/66 ,  B60L53/80 ,  B60L55/00 ,  B60L58/21 ,  B60L58/26 ,  H02J7/00 ,  H02J7/35 ,  H02S40/34 ,  H02S40/38

CPC classification number: H01M10/465 ,  B60L50/64 ,  B60L53/30 ,  B60L53/305 ,  B60L53/51 ,  B60L53/63 ,  B60L53/64 ,  B60L53/65 ,  B60L53/665 ,  B60L53/80 ,  B60L55/00 ,  B60L58/21 ,  B60L58/26 ,  H02J7/00 ,  H02J7/0016 ,  H02J7/35 ,  H02S40/345 ,  H02S40/38 ,  B60L2210/30 ,  B60L2210/40 ,  Y02E60/00 ,  Y02T10/70 ,  Y02T10/7072 ,  Y02T10/72 ,  Y02T90/12 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/167 ,  Y04S10/126 ,  Y04S30/14

Abstract: An energy storage canopy associated with a local building is provided. The energy storage canopy includes support members that can support compartments, which may be integral with or removable from the energy storage canopy. Each compartment includes a plurality of high capacity batteries to store electrical energy, at least one power conditioner to allow coupling high capacity batteries to an external unit. The external unit may be a power grid, a building, other loads, or the like.

公开(公告)号：US20240140270A1

公开(公告)日：2024-05-02

申请号：US18477741

申请日：2023-09-29

Applicant: Lear Corporation

Inventor： Hector SARNAGO ANDIA ,  Oscar LUCIA GIL ,  Ruben MOLINA LLORENTE ,  Antonio MARTINEZ PEREZ ,  Pablo GAONA ROSANES ,  Rafael JIMENEZ PINO

IPC: B60L58/22 ,  B60L58/21

CPC classification number: B60L58/22 ,  B60L58/21 ,  B60L2210/10 ,  B60L2240/547

Abstract: A voltage balancing circuit includes a direct-current-to-direct-current (DC-to-DC) voltage converter interconnecting a first battery having a first voltage and a second battery having a second voltage, wherein the DC-to-DC converter transfers electrical power from the first battery to the second battery when the first voltage is greater than the second voltage, and transfers electrical power from the second battery to the first battery when the first voltage is less than the second voltage, and wherein the transfer of electrical power from the first battery to the second battery or from the second battery to the first battery balances the electrical power difference between the first battery and the second battery.

公开(公告)号：US20240123866A1

公开(公告)日：2024-04-18

申请号：US18531164

申请日：2023-12-06

Applicant: BYD COMPANY LIMITED

Inventor： Saiwu LIU ,  Zhihua CHENG ,  Lina YANG ,  Yanjun CHEN

IPC: B60L58/22 ,  B60L58/12 ,  B60L58/21

CPC classification number: B60L58/22 ,  B60L58/12 ,  B60L58/21 ,  B60L2200/26

Abstract: A method for equalizing battery capacities of a vehicle includes: determining, based on a current capacity of a battery of each of carriages, a largest battery capacity and a corresponding first carriage thereof, and a smallest battery capacity and a corresponding second carriage thereof; determining, based on the largest battery capacity and the smallest battery capacity, a first traction force and a second traction force, where the first traction force is greater than the second traction force; and outputting a first control command including the first traction force to the first carriage, and outputting a second control command including the second traction force to the second carriage for equalizing battery capacities of the carriages of the vehicle.