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1. 发明申请

WO2022144934A1 STATOR WITH CLOSED SLOTS WITH CONTINUOUS WINDING FOR AN ELECTRIC MACHINE AND PROCESS FOR MAKING SUCH STATOR 审中-公开
公开(公告)号：WO2022144934A1
公开(公告)日：2022-07-07
申请号：PCT/IT2020/000090
申请日：2020-12-31
申请人： MAVEL EDT S.P.A.
发明人： FAVRE, Luca , BETTONI, Davide
IPC分类号： H02K1/14 , H02K15/06
摘要： A stator with closed slots with continuous winding is described, comprising a first internal stator part (25) which comprises a plurality of longitudinal teeth (26), spaced by a space (27) configured to form the lower part of the closed slots (14) of the stator, a second external annular stator part (35), comprising a plurality of seats (36) complementary to the teeth (26) of the first stator part (25) and configured to fit together with the teeth (26) so as to form the closed slots (14) and the stator (15), a continuous winding comprising at least one strap (11, 21, 31) configured to be wound on the first internal stator part (25) in the spaces (27) between the teeth (26) in which at least one slot (14) is asymmetrical; a process for manufacturing the stator (15) and an electric machine comprising the stator (15) are also described.

2. 发明申请

WO2021171322A1 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 审中-公开
公开(公告)号：WO2021171322A1
公开(公告)日：2021-09-02
申请号：PCT/IT2020/000022
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： CHIONO, Denny
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) 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, the 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 (RIO) 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 estimating the temperature of the magnets of electric machines using such circuit (100) are further described.

3. 发明申请

WO2022144945A1 STATOR WITH CLOSED SLOTS WITH A FLUID INJECTION COOLING SYSTEM FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE COMPRISING SAID STATOR 审中-公开
公开(公告)号：WO2022144945A1
公开(公告)日：2022-07-07
申请号：PCT/IT2021/050438
申请日：2021-12-30
申请人： MAVEL EDT S.P.A.
发明人： FAVRE, Luca , BETTONI, Davide
IPC分类号： H02K1/14 , H02K15/06 , H02K3/24
摘要： A stator with closed slots is described, comprising a first internal stator part (25) and a second external stator part (35) configured to form the closed slots (14), a winding comprising at least a conductor (2) configured to be wound in the stator closed slots (14) into which are inserted the conductors (2) forming the winding, overlapped starting with a lower conductor (5) in correspondence with a bottom wall (38) of the slot (14) and ending with an upper conductor (6) in correspondence with an upper wall (40) of the slot (14) to form a lower channel (3) between the lower conductor (5) and the bottom wall (38) of the slot (14) and an upper channel (4) formed between the upper conductor (6) and the upper wall (40) of the slot 14, said lower (3) and upper (4) channels serving the passage of a cooling fluid of the stator (15); an electric machine comprising the stator (15) is also described.

4. 发明申请

WO2021095064A1 STATOR WITH CLOSED SLOTS WITH CONTINUOUS WINDING FOR AN ELECTRIC MACHINE AND PROCESS FOR MAKING SUCH STATOR 审中-公开
公开(公告)号：WO2021095064A1
公开(公告)日：2021-05-20
申请号：PCT/IT2019/000100
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： H02K1/16
摘要： A stator (15) with closed slots with continuous winding is described, comprising : a first, internal stator part (25) comprising longitudinal teeth (26), spaced by a space (27) configured to make the lower part of the closed slots (14) of the stator (15); a second, external annular stator part (35), comprising seats (36) complementary with the teeth (26) and configured to be meshed with the first stator part (25) in order to form the closed slots (14) and the stator (15); a continuous winding comprising a strap (11, 21, 31), which comprises first sectors (12) mutually connected by second sectors (13) alternate thereto, the strap (11, 21, 319) being configured to be wound on the first, internal stator part (25), by placing the first sectors (12) into the spaces (27) included between the teeth (26); a process for making such stator is further described.

5. 发明申请

WO2022144933A1 STATOR FOR AN ELECTRIC MACHINE AND PROCESS FOR MAKING SUCH STATOR 审中-公开
公开(公告)号：WO2022144933A1
公开(公告)日：2022-07-07
申请号：PCT/IT2020/000089
申请日：2020-12-31
申请人： MAVEL EDT S.P.A.
发明人： FAVRE, Luca , BETTONI, Davide
IPC分类号： H02K1/16
摘要： A stator (15) for an electric machine is described, comprising an outer annular portion (35) and an inner portion {25) bounded by a cylindrical inner wall (32) of the stator (15) which is configured to house a rotor {5), said internal portion (25) comprising a plurality of slots (14, 24) inside which the electric winding is made, at least one of said slots (14, 24} having an asymmetrical conformation; a process for manufacturing the stator (15) and an electric machine comprising the stator (15) are also described.

6. 发明申请

WO2021095065A1 PROCESS FOR MAKING A CONTINUOUS WINDING FOR A STATOR OF AN ELECTRIC MACHINE AND WINDING MADE WITH SUCH PROCESS 审中-公开
公开(公告)号：WO2021095065A1
公开(公告)日：2021-05-20
申请号：PCT/IT2019/000101
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： H02K15/04 , H02K1/16
摘要： A process is described, for making a continuous winding for a stator of an electric machine comprising the following steps: bending on a plane of a strip to make a strap (11, 21, 31) in a single piece, which comprises first sectors (12) to be inserted inside closed slots (14) of a stator (15) and connected by second bending sectors (13) which remain outside the slots (14); providing a first, internal stator part (25) comprising a plurality of longitudinal teeth (26), spaced by a space (27) which makes the lower part of the slots (14); making the winding on the first stator part (25), by placing the first sectors (12) of strap (11, 21, 31) in the spaces (27) included between the teeth (26); and connecting the two free ends (11a, 11b; 21a, 21b; 31a, 31b) of every strap (11, 21, 31); a continuous winding made with such process is further described.

7. 发明申请

WO2022215097A1 ELECTRIC POWER MODULE FOR A HIBRYDIZATION SYSTEM FOR THERMAL ENGINES AND HIBRYDIZATION SYSTEM INCLUDING THIS MODULE 审中-公开
公开(公告)号：WO2022215097A1
公开(公告)日：2022-10-13
申请号：PCT/IT2021/000019
申请日：2021-04-06
申请人： MAVEL EDT S.P.A.
发明人： BETTONI, Davide
IPC分类号： H02K16/00 , H02K7/108 , H02K11/33 , B63H21/20 , B60K6/00 , H02K7/18 , H02K7/14
摘要： An electric power module (11) for a hybridization system (10) for heat engines is described, which comprises a first electric motor (1) comprising an input shaft (21) connectable to a heat engine (3) to be hybridized, a second electric motor (2) comprising an output shaft (22) connectable to a motion transmission system (4), unidirectional motion transmission means (5) interposed between the two shafts (21, 22) of the electric motors (1, 2) with the aim of guaranteeing the transmission of the torque in one direction only; a system comprising this module and a method of use of this system are also described.

8. 发明申请

WO2021171324A1 MEASURING CIRCUIT OF THE VOLTAGE OF AN ELECTRIC MACHINE, SYSTEM AND PROCESS FOR CONTROLLING ELECTRIC MACHINES USING SUCH CIRCUIT 审中-公开
公开(公告)号：WO2021171324A1
公开(公告)日：2021-09-02
申请号：PCT/IT2020/000025
申请日：2020-02-25
申请人： MAVEL EDT S.P.A.
发明人： CHIONO, Denny
IPC分类号： H02P21/13 , H02P21/20 , H02P29/024 , G01R19/25 , H02P6/182 , H02P21/18 , 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 controlling electric machines using such circuit (100) are further described.

9. 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.

10. 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.

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