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公开(公告)号：US20240208354A1
公开(公告)日：2024-06-27
申请号：US18145103
申请日：2022-12-22
发明人： Jamshed Nabizada , Ravi Lavu , Ajay Somepalli
CPC分类号： B60L53/63 , B60L53/62 , H02J7/007182
摘要： Electric vehicle (EV) charging stations for: (i) preventing damage to a battery of an EV charging station, and (ii) maintaining fast charging of the battery of the EV charging station. An EV charging station controller determines if an input power to the EV charging station is above an input power threshold value, and, if so, determines if a charge level of the battery of the EV charging station is below a low charge threshold level. If the charge level is below the low charge threshold level, a portion of the input power may be reserved for the battery of the EV charging station.
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公开(公告)号：US20240198843A1
公开(公告)日：2024-06-20
申请号：US18243233
申请日：2023-09-07
发明人： Nicholas Seroff , Tabish Shibly
CPC分类号： B60L53/67 , B60L53/305 , H02J7/0014
摘要： In order to ensure reliable power for charging electric vehicles is available at each charging station at a charging site having multiple charging stations, the systems and methods disclosed herein provide for charge transfers between batteries of such charging stations. A plurality of charging stations at a charging site are connected via a direct current (DC) bus in order to transfer energy between the charging stations, such as to balance the energy stored at the respective batteries of the charging stations. Each charging station includes a system controller controlling operation of the charging station and a DC bus connection to provide DC current from the battery to the DC bus and to provide DC current from the DC bus to the battery, as controlled by the system controller. A centralized management system may also communicate with and control aspects of operation of the respective system controllers of the charging stations.
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公开(公告)号：US20240025296A1
公开(公告)日：2024-01-25
申请号：US18195352
申请日：2023-05-09
CPC分类号： B60L58/18 , H02J7/342 , H02M1/0009 , H02M3/1582 , B60L50/60 , H02J7/00714 , B60L2210/12 , H02J2207/20 , B60L2210/14 , B60L2210/10
摘要： Controlling a charging current while transferring energy from a source battery to a target battery in an electric vehicle (EV) includes operating, by control circuitry, a buck converter at a fixed switching frequency to transfer power from the source battery to the target battery, in a first operational mode; in response to detecting a first trigger event, transitioning from the first operational mode to a second operational mode to operate the buck converter at a variable switching frequency; and in response to detecting a second trigger event, transitioning to a third operational mode to activate a boost converter coupled to the source battery and the target battery.
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公开(公告)号：US11772509B1
公开(公告)日：2023-10-03
申请号：US18066965
申请日：2022-12-15
发明人： Nicholas Seroff , Tabish Shibly
CPC分类号： B60L53/67 , B60L53/305 , H02J7/0014
摘要： In order to ensure reliable power for charging electric vehicles is available at each charging station at a charging site having multiple charging stations, the systems and methods disclosed herein provide for charge transfers between batteries of such charging stations. A plurality of charging stations at a charging site are connected via a direct current (DC) bus in order to transfer energy between the charging stations, such as to balance the energy stored at the respective batteries of the charging stations. Each charging station includes a system controller controlling operation of the charging station and a DC bus connection to provide DC current from the battery to the DC bus and to provide DC current from the DC bus to the battery, as controlled by the system controller. A centralized management system may also communicate with and control aspects of operation of the respective system controllers of the charging stations.
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公开(公告)号：US11642981B1
公开(公告)日：2023-05-09
申请号：US17821368
申请日：2022-08-22
CPC分类号： B60L58/18 , B60L50/60 , H02J7/00714 , H02J7/342 , H02M1/0009 , H02M3/1582 , B60L2210/10 , B60L2210/12 , B60L2210/14 , H02J2207/20
摘要： Controlling a charging current while transferring energy from a source battery to a target battery in an electric vehicle (EV) includes operating, by control circuitry, a buck converter at a fixed switching frequency to transfer power from the source battery to the target battery, in a first operational mode; in response to detecting a first trigger event, transitioning from the first operational mode to a second operational mode to operate the buck converter at a variable switching frequency; and in response to detecting a second trigger event, transitioning to a third operational mode to activate a boost converter coupled to the source battery and the target battery.
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公开(公告)号：US20240317100A1
公开(公告)日：2024-09-26
申请号：US18614630
申请日：2024-03-22
IPC分类号： B60L53/62
CPC分类号： B60L53/62
摘要： A computing device collects, during an initial portion of a charging session of an electric vehicle (EV), a plurality of samples indicative of an amount of charge transferred from an EV charger to the EV during a respective time interval; constructs, using the collected plurality of samples, an estimated charge profile for the EV; selects, from among a plurality of prestored charge profiles, a prestored charge profile similar to the estimated charge profile; and adjusts a charge parameter and/or a time estimate associated with the charging session using the selected prestored charge profile.
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公开(公告)号：US12071031B2
公开(公告)日：2024-08-27
申请号：US17816205
申请日：2022-07-29
发明人： Nicholas Seroff , Tabish Shibly , Richard Steele , Ravi Lavu
CPC分类号： B60L53/11 , B60L53/16 , B60L53/62 , H02J7/04 , B60L2210/40 , H02J7/0013
摘要： A vehicle charging apparatus is described herein, which may include a battery pack comprising a plurality of individual batteries, a power input port receiving electrical power at a first wattage, an AC-to-DC conversion circuit configured to provide DC power to charge groups of batteries in the plurality of individual batteries, a power conversion circuit configured to condition a DC output of at least one group of batteries to provide a charging current output to a vehicle via a coupling, and a processing circuit configured to control the power conversion circuit to provide the charging current at a second wattage greater than the first wattage. The first wattage may be actively or inherently limited to a level less than the second wattage in order to provide fast DC charging with a limited power input.
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公开(公告)号：US20240217361A1
公开(公告)日：2024-07-04
申请号：US18404675
申请日：2024-01-04
摘要： A holster for an electric charging station includes a substantially rigid base and a socket pivotably disposed in the substantially rigid base. The socket has a first, stowed position and a second, engaged position. The socket pivots about a loaded hinge. A biasing spring, which may be a leaf spring, produces a first force that urges the socket towards the first, stowed position. When an electric power coupler is disposed within the socket, a second force overcomes the first force and moves the socket towards the second, engaged position.
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公开(公告)号：US11685278B1
公开(公告)日：2023-06-27
申请号：US17822278
申请日：2022-08-25
发明人： Jamshed Nabizada , Ravi Lavu , Anton Cwik , Ajay Somepalli
CPC分类号： B60L53/305 , B60W10/26 , B60L53/16 , B60L53/18 , B60L2240/549 , B60L2250/16
摘要： In order to ensure safe and reliable disconnection of charging cables from electric vehicles during occurrence of error conditions preventing normal disengagement of such charging cables, the systems and methods disclosed herein provide a vehicle charging system including a system controller configured to present via a display a user-selectable manual disconnection option when the vehicle is not receiving a charging current, receive an indication of a user selection of the manual disconnection option, and control a charge controller of the vehicle charging system to reset in order to terminate any charging session and to disengage the charging cable. In some embodiments, the charge controller may be configured or controlled to send a session termination signal to a vehicle charge controller of the vehicle either before resetting or as part of a startup process.
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公开(公告)号：US20210281091A1
公开(公告)日：2021-09-09
申请号：US17139932
申请日：2020-12-31
发明人： Scott BARTLETT , Martin LYNCH
摘要： Aspects of the present invention pertain to apparatuses, systems, and methods to provide power for electric power devices such as electric power tools.
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