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1.发明申请公开(公告)号：US20220223336A1
公开(公告)日：2022-07-14
申请号：US17145117
申请日：2021-01-08
发明人： Mohamed Elshaer , Chingchi Chen
摘要： A first transformer includes a first quad core with four first legs and first windings wound around each of the first legs such that a winding direction for diagonal ones of the first legs is same. A second transformer includes a second quad core with four second legs and second windings wound around each of the second legs such that a winding direction for diagonal ones of the second legs is same. The first four legs and second four legs are arranged adjacent to, but spaced away from, each other to define four gaps. The first windings and second windings are in parallel.
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公开(公告)号：US20220224236A1
公开(公告)日：2022-07-14
申请号：US17145079
申请日：2021-01-08
发明人： Mohamed Elshaer , Chingchi Chen
摘要： A power system includes a traction battery, an auxiliary battery, and a 3-phrase resonant DC/DC converter that permits charge and discharge of the traction battery, and includes a 3-phase transformer, 3-phase matching capacitors, and 3-phase resonant inductors. The vehicle also includes auxiliary circuitry that permits charge of the auxiliary battery with power from the traction battery, and is magnetically coupled with the 3-phase transformer.
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公开(公告)号：US11273720B2
公开(公告)日：2022-03-15
申请号：US16587230
申请日：2019-09-30
发明人： Mohamed Elshaer , Chingchi Chen
IPC分类号： B60L53/122 , H02J7/02 , H02M1/42 , H02J50/12 , H02M7/06 , B60L53/22 , B60L53/16 , B60L53/18 , H02M3/335 , H02J7/00
摘要： A charger system and method is disclosed for providing wireless and wired charging. The charger may include a wire-charging circuit operable to receive and process a first electrical energy from a wired power source directly connected to the vehicle. The charger may also include a receiving coil operable to receive a second electrical energy received from a wireless power source external that is not directly connected to the vehicle. The charger may include a resonant circuit having a receiving coil and a DC-DC converter. The receiving coil may provide impedance matching when the charger is receiving the first electrical energy from the wired power source. The receiving coil may also be energized by a wireless power source to receive a second electrical energy. The charger may further include a rectifier circuit operable to charge the battery using the first electrical energy or the second electrical energy.
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公开(公告)号：US10919401B2
公开(公告)日：2021-02-16
申请号：US15404853
申请日：2017-01-12
IPC分类号： H02J7/02 , H02J50/12 , B60L53/122 , B60L11/18 , B60L53/66
摘要： A charging system includes an inverter configured to receive rectified mains line voltage and current to power a primary coil to induce charge current in a secondary coil of a vehicle. The charging system also includes a controller configured to alter a switching frequency of the inverter based on charge voltage data from the vehicle to cause the inverter to operate to drive a voltage of an energy storage capacitor of a battery charger of the vehicle toward a constant value.
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公开(公告)号：US10538165B2
公开(公告)日：2020-01-21
申请号：US14861617
申请日：2015-09-22
发明人： Sara Dadras , Hadi Malek , Mohamed Elshaer , Christopher W. Bell
摘要： A parameter estimation system includes a first coil configured to be loosely inductively coupled to a second coil. A controller is programmed to output parameters of the first coil and second coil. The controller is programmed to estimate the parameters based on voltage and current measurement from only the first or the second coil. The voltage and current measurements may be used in a Kalman filter. In some configurations, the controller is further programmed to command a short circuit between terminals of the second coil and apply a test voltage to the first coil. The first coil may be part of a vehicle charging station and the second coil may be part of a vehicle. The parameters may be utilized to control charging of the vehicle.
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公开(公告)号：US10369891B2
公开(公告)日：2019-08-06
申请号：US15437256
申请日：2017-02-20
摘要： A vehicle is provided with a coil and a sensor. The coil is adapted to receive power wirelessly in single-phase form from an external coil. The sensor is adapted to measure a characteristic of the power. The vehicle is also provided with a controller that is programmed to estimate a parameter indicative of coil alignment using a three-phase representation of the power based on the characteristic, and to adjust the power received by the coil based on the parameter.
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公开(公告)号：US20170240056A1
公开(公告)日：2017-08-24
申请号：US15047868
申请日：2016-02-19
CPC分类号： B60L11/182 , H02J50/10 , H02J50/12 , H02J50/70 , H03H7/38
摘要： A secondary side wireless power transfer compensation circuit includes a secondary coil, a capacitor in series with the secondary coil, and an inductor in parallel with the secondary coil and capacitor. The inductor has an impedance matching a reflected impedance of a load electrically connected thereacross such that the secondary coil achieves resonance with a primary coil coupled therewith at a predetermined frequency that depends on the impedance.
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公开(公告)号：US11108371B2
公开(公告)日：2021-08-31
申请号：US16687402
申请日：2019-11-18
摘要： A power system includes a traction battery, and a rectifier including a pair of diodes, a pair of switches, and a pair of capacitors each in parallel with a different one of the switches such that alternating current input to the rectifier results in alternating voltage having parabolic approaches to maximum magnitude values being input to the rectifier. The maximum magnitude values correspond to a magnitude of voltage output to the traction battery.
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公开(公告)号：US10513185B2
公开(公告)日：2019-12-24
申请号：US15847993
申请日：2017-12-20
发明人： Mohamed Elshaer , Allan Roy Gale , Chingchi Chen
摘要： An electrified vehicle charger includes a diode bridge, contactors, and a controller. The diode bridge may be configured to rectify an alternating current (AC) source. The contactors may couple the AC source with a traction battery. The controller may be configured to, responsive to a magnitude of a potential across a diode of the bridge, corresponding to a neutral crossing of a potential of the AC source, exceeding a threshold, open the contactors.
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公开(公告)号：US10427532B2
公开(公告)日：2019-10-01
申请号：US15479687
申请日：2017-04-05
摘要： A vehicle includes a traction battery, an on-board charging system (OBCS), and a wireless power transfer system (WPTS). Each of the OBCS and WPTS is configured to selectively use a same rectifier such that the rectifier rectifies output of the OBCS and rectifies output of the WPTS to provide power to the traction battery.
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