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公开(公告)号：US20230139177A1
公开(公告)日：2023-05-04
申请号：US17918548
申请日：2021-04-14
摘要： A three-phase synchronous rectifier for charging a battery on board the vehicle, comprising a first and a second input which are independent of each other and each connectable to a respective first and second three-phase output branch of a generator, two independent negative and positive outputs each connectable to the respective poles of the battery, a first group of three rectification units configured to be connected to the first output branch of the generator via said first input, a second group of three rectification units configured to be connected to the second output branch of said generator via the second input. Advantageously, the rectification units are configured to be simultaneously connected to the battery of the vehicle.
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公开(公告)号：US20230412047A1
公开(公告)日：2023-12-21
申请号：US18246937
申请日：2021-09-27
CPC分类号： H02K7/1861 , H02K1/146 , H02K1/187
摘要： A permanent magnet generator for on-board vehicle charging comprises an external rotor, a stator assembly accommodated inside the external rotor and provided with a stator yoke, with a plurality of stator teeth extending from the stator yoke and with a plurality of conductive windings arranged around each of said stator teeth, a permanent magnet associated with a portion of an internal wall of the external rotor and facing the stator assembly, wherein the stator yoke is made of magnetic steel sheet with non-oriented grains and the stator teeth are made of magnetic steel sheet with oriented grains.
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公开(公告)号：US20210057931A1
公开(公告)日：2021-02-25
申请号：US16979294
申请日：2019-03-07
发明人： Gianni REGAZZI , Pierluigi CALABRI
摘要： The three-phase synchronous rectifier for battery charger on board vehicle comprises: three rectification units provided with respective inputs connected to respective phases of a permanent magnet generator and with respective outputs connected to a battery of a vehicle; wherein the rectification units are configured to receive at input respective phase currents of the generator and to supply at output rectified currents; and wherein each of the rectification units comprises a current sensor connected to a respective phase of the generator and a respective output circuit connected to the battery and operatively connected to said current sensor; the current sensor being configured to receive at input a respective phase current and the output circuit being configured to be piloted by means of the current sensor to generate the rectified currents; wherein the current sensor comprises at least one toroidal element made of a magnetic material crossed by a lead which conveys the phase current and at least one Hall effect sensor connected to the toroidal element and to the output circuit.
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