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11. 发明申请

WO2021171323A1 MEASURING CIRCUIT OF THE VOLTAGE OF AN ELECTRIC MACHINE, SYSTEM AND PROCESS FOR CALIBRATING ELECTRIC MACHINES USING SUCH CIRCUIT 审中-公开
公开(公告)号：WO2021171323A1
公开(公告)日：2021-09-02
申请号：PCT/IT2020/000024
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： CHIONO, Denny
IPC分类号： H02P6/182 , H02P21/18 , G01R19/25 , H03H11/12 , G01R31/34
摘要： A measuring circuit (100) is described, for the voltage of an electric machine comprising a first operational amplifier (20) having its non-inverting input (5) connected to a non-inverting input (10) of at least one second operational amplifier (30), and its output (7) feedback connected, through a resistance (R5), to the inverting input (6), the inverting input (6) of the first operational amplifier (20) being further connected through a resistance (R6) to a first phase (C) of the input current to an electric machine, the output (7) of the first operational amplifier (20) being connected, through a resistance (R8), to the inverting input (2) of a third operational amplifier (40) which has its non-inverting input (3) connected to a reference voltage (VREF), the output (7) of the first operational amplifier (20) being further connected to a first output (VC) of the circuit, which is at a voltage value equal to the voltage of a first phase of the electric machine to be measured, said third operational amplifier (40) having its output (1) feedback connected, through a capacitance (Cl), to the inverting input (2), the output (1) of the third operational amplifier (40) being further connected through a resistance (R10) to the non-inverting input (5) of the first operational amplifier (20) and to the non-inverting input (10} of the second operational amplifier (30); a system and a process for calibrating electric machines using such circuit (100) are further described.

12. 发明申请

WO2021095063A1 SYNCHRONOUS ELECTRIC MACHINE WITH RELUCTANCE ASSISTED BY PERMANENT MAGNETS AND PROCESS FOR MAKING SUCH ELECTRIC MACHINE 审中-公开
公开(公告)号：WO2021095063A1
公开(公告)日：2021-05-20
申请号：PCT/IT2019/000098
申请日：2019-11-12
申请人： MAVEL EDT S.P.A.
发明人： FAVRE, Luca , BETTONI, Davide
IPC分类号： H02K1/14 , H02K1/16 , H02K1/27 , H02K1/24 , H02K3/48 , H02K15/02 , H02K3/12
摘要： A synchronous electric machine (10) with reluctance assisted by permanent magnets is described, comprising a rotor (1) comprising: a lamellar pack fastened on a rotation shaft and comprising identical sheets (3), each comprising first axial recesses (6) and permanent magnets, and second axial recesses (8) to form flow barriers; a stator (15) with a first, internal stator part (25) comprising longitudinal teeth (26); a second, external annular stator part (35), with seats (36) complementary with the teeth (26) in order to form the closed slots (14) and the stator (15); a continuous winding with a strap (11, 21, 31), configured to be wound on the first, internal stator part (25); a process for making such synchronous electric machine is further described.

13. 发明申请

US20230097341A1 MEASURING CIRCUIT OF THE VOLTAGE OF AN ELECTRIC MACHINE, SYSTEM AND PROCESS FOR CALIBRATING ELECTRIC MACHINES USING SUCH CIRCUIT 有权
公开(公告)号：US20230097341A1
公开(公告)日：2023-03-30
申请号：US17904569
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： Denny CHIONO
IPC分类号： G01R19/00 , G01D5/14 , G01D18/00
摘要： A measuring circuit (100) is described, for the voltage of an electric machine comprising a first operational amplifier (20) having its non-inverting input (5) connected to a non-inverting input (10) of at least one second operational amplifier (30), and its output (7) feedback connected, through a resistance (R5), to the inverting input (6), the inverting input (6) of the first operational amplifier (20) being further connected through a resistance (R6) to a first phase (C) of the input current to an electric machine, the output (7) of the first operational amplifier (20) being connected, through a resistance (R8), to the inverting input (2) of a third operational amplifier (40) which has its non-inverting input (3) connected to a reference voltage (VREF), the output (7) of the first operational amplifier (20) being further connected to a first output (VC) of the circuit, which is at a voltage value equal to the voltage of a first phase of the electric machine to be measured, said third operational amplifier (40) having its output (1) feedback connected, through a capacitance (Cl), to the inverting input (2), the output (1) of the third operational amplifier (40) being further connected through a resistance (R10) to the non-inverting input (5) of the first operational amplifier (20) and to the non-inverting input (10} of the second operational amplifier (30); a system and a process for calibrating electric machines using such circuit (100) are further described.

14. 发明申请

US20230008528A1 PROCESS FOR MAKING AN ELECTRIC CONDUCTOR FOR A WINDING OF AN ELECTRIC MACHINE, ELECTRIC CONDUCTOR MADE WITH SUCH PROCESS AND ELECTRIC MACHINE COMPRISING A WINDING MADE WITH SUCH ELECTRIC CONDUCTOR 有权
公开(公告)号：US20230008528A1
公开(公告)日：2023-01-12
申请号：US17784780
申请日：2019-12-31
申请人： MAVEL EDT S.P.A.
发明人： Andrea TONINO , Luca FAVRE
IPC分类号： H02K3/42 , H02K3/34 , H02K15/12 , H02K15/10
摘要： A process is described, for making an electric conductor for a winding of an electric machine comprising the following steps: providing an external shell (20} with a tubular shape made of electrically conducting material; inserting at least two wires (215 made of electrically conducting material in the external shell (20); heating the external shell (20) and the wires (21) inserted therein; laminating wherein the external shell (205 and the wires (215 are formed to modify the profile of their cross section; optionally repeating at least one of the two previous steps; an electric conductor made with such process and an electric machine comprising a winding made with such electric conductor are further described.

15. 发明申请

US20220399764A1 SYNCHRONOUS ELECTRIC MACHINE WITH RELUCTANCE ASSISTED BY PERMANENT MAGNETS AND PROCESS FOR MAKING SUCH ELECTRIC MACHINE 有权
公开(公告)号：US20220399764A1
公开(公告)日：2022-12-15
申请号：US17776296
申请日：2019-11-12
申请人： MAVEL EDT S.P.A.
发明人： Luca FAVRE , Davide BETTONI
IPC分类号： H02K1/16 , H02K1/276 , H02K3/12 , H02K15/03 , H02K15/085
摘要： A synchronous electric machine with reluctance assisted by permanent magnets is described, comprising a rotor comprising: a lamellar pack fastened on a rotation shaft and comprising identical sheets, each comprising first axial recesses and permanent magnets, and second axial recesses to form flow barriers; a stator with a first, internal stator part comprising longitudinal teeth; a second, external annular stator part, with seats complementary with the teeth in order to form the closed slots and the stator; a continuous winding with a strap, configured to be wound on the first, internal stator part; a process for making such synchronous electric machine is further described.

16. 发明授权

US12032026B2 Measuring circuit of the voltage of an electric machine, system and process for estimating the temperature of the magnets of electric machines using such circuit 有权
公开(公告)号：US12032026B2
公开(公告)日：2024-07-09
申请号：US17904560
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： Denny Chiono
IPC分类号： G01R1/30 , G01R31/34
CPC分类号： G01R31/343
摘要： A measuring circuit (100) is described, for the voltage of an electric machine comprising a first operational amplifier (20), at least one second operational amplifier (30), a third operational amplifier (40); a system and a process for estimating the temperature of the magnets of electric machines using such circuit (100) are further described.

17. 发明授权

US11837933B2 Process for making an electric conductor for a winding of an electric machine, electric conductor made with such process and electric machine comprising a winding made with such electric conductor 有权
公开(公告)号：US11837933B2
公开(公告)日：2023-12-05
申请号：US17784780
申请日：2019-12-31
申请人： MAVEL EDT S.P.A.
发明人： Andrea Tonino , Luca Favre
IPC分类号： H02K3/42 , H02K3/34 , H02K15/10 , H02K15/12
CPC分类号： H02K3/42 , H02K3/34 , H02K15/105 , H02K15/12
摘要： A process is described, for making an electric conductor for a winding of an electric machine comprising the following steps: providing an external shell (20} with a tubular shape made of electrically conducting material; inserting at least two wires (215 made of electrically conducting material in the external shell (20); heating the external shell (20) and the wires (21) inserted therein; laminating wherein the external shell (205 and the wires (215 are formed to modify the profile of their cross section; optionally repeating at least one of the two previous steps; an electric conductor made with such process and an electric machine comprising a winding made with such electric conductor are further described.

18. 发明公开

US20230353073A1 SYSTEM AND PROCESS FOR CONTROLLING ELECTRIC MACHINES USING A MEASURING CIRCUIT OF THE VOLTAGE OF THE ELECTRIC MACHINE 审中-公开
公开(公告)号：US20230353073A1
公开(公告)日：2023-11-02
申请号：US17801288
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： Denny CHIONO
IPC分类号： H02P21/13 , G01R31/34 , H02P21/20 , H02P21/18
CPC分类号： H02P21/13 , G01R31/343 , H02P21/20 , H02P21/18
摘要： A control system (200) of an electric machine (80) includes a position sensor (51) configured to detect the angular position of a rotor of the electric machine (80); at least two alternate current sensors (52), each one of the alternate current sensors (52) being configured to detect the value of the alternate current (ia, ib, ic) to an input phase to the electric machine (80), and being electrically connected to a phase of the supply circuit of the electric machine (80), the electric machine (80) being electrically connected to an inverter (60) configured to transform a continuous voltage supplied by the electric supply means into an alternate voltage for a power supply of the electric machine (80); and a measuring circuit (100) of a voltage of an electric machine.

19. 发明申请

US20230083791A1 MEASURING CIRCUIT OF THE VOLTAGE OF AN ELECTRIC MACHINE, SYSTEM AND PROCESS FOR ESTIMATING THE TEMPERATURE OF THE MAGNETS OF ELECTRIC MACHINES USING SUCH CIRCUIT 有权
公开(公告)号：US20230083791A1
公开(公告)日：2023-03-16
申请号：US17904560
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： Denny CHIONO
IPC分类号： G01R31/34
摘要： A measuring circuit (100) is described, for the voltage of an electric machine comprising a first operational amplifier (20), at least one second operational amplifier (30), a third operational amplifier (40); a system and a process for estimating the temperature of the magnets of electric machines using such circuit (100) are further described.

20. 发明申请

US20220399772A1 STATOR WITH CLOSED SLOTS WITH CONTINUOUS WINDING FOR AN ELECTRIC MACHINE AND PROCESS FOR MAKING SUCH STATOR 有权
公开(公告)号：US20220399772A1
公开(公告)日：2022-12-15
申请号：US17776297
申请日：2019-11-12
申请人： MAVEL EDT S.P.A.
发明人： Luca FAVRE , Davide BETTONI
IPC分类号： H02K3/487 , H02K15/00
摘要： A stator with closed slots with continuous winding is described, comprising: a first, internal stator part comprising longitudinal teeth, spaced by a space configured to make the lower part of the closed slots of the stator; a second, external annular stator part, comprising seats complementary with the teeth and configured to be meshed with the first stator part in order to form the closed slots and the stator; a continuous winding comprising a strap, which comprises first sectors mutually connected by second sectors alternate thereto, the strap being configured to be wound on the first, internal stator part, by placing the first sectors into the spaces included between the teeth; a process for making such stator is further described.

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