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公开(公告)号：US20190245414A1
公开(公告)日：2019-08-08
申请号：US16318507
申请日：2017-07-19
Applicant: Sevcon Limited
Inventor： Peter Barrass
CPC classification number: H02K11/0094 , H02K3/28 , H02K9/10 , H02K9/14 , H02K9/19 , H02K11/04 , H02K11/33 , H02K2213/12
Abstract: A stator assembly comprising stator windings and power electronics coupled to the windings for powering the windings, wherein the stator assembly is arranged so that when it is disposed in an enclosure, a flow of coolant is channelled over both the windings and elements of the power electronics.
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公开(公告)号：US10193485B2
公开(公告)日：2019-01-29
申请号：US15722033
申请日：2017-10-02
Applicant: Sevcon Limited
Inventor： Peter Barrass
IPC: H02P25/08 , H02P25/092 , H02K1/14 , H02K1/24 , H02P6/22
Abstract: A short pitched switched reluctance motor control apparatus comprising a voltage provider comprising a first coupling and a second coupling configured to be coupled to a phase winding of the switched reluctance motor for applying a voltage to drive current in the winding between the first and second coupling is disclosed. The apparatus further comprises a controller configured to apply a first voltage pulse to the first coupling, and to apply a second voltage pulse to the second coupling, wherein the start of the second pulse is delayed with respect to the start of the first pulse, and the end of the first pulse is delayed with respect to the end of the second pulse.
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公开(公告)号：US20170205778A1
公开(公告)日：2017-07-20
申请号：US15478716
申请日：2017-04-04
Applicant: Sevcon Limited
Inventor： Peter Barrass , Gary Squire , Robert Taylor , Howard Slater , David Hodgson , Philip Eagleton
Abstract: An electric motor controller having a front face and a rear face, the front face carrying a plurality of AC output couplings and the controller carrying a converter configured to convert a received DC supply into an output AC supply for controlling an electric motor, the AC output couplings being disposed symmetrically about an axis of symmetry of the controller on the front face of the controller. Also described is an apparatus comprising: a DC series motor; and a first current supply configured to supply a first current to an armature of the DC series motor; a second current supply configured to supply a second current to a field winding of the DC series motor; and a controller configured to control the first current supply to supply the first current based on a required torque output for the motor, and to control the second current supply to supply the second current based on the first current.
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公开(公告)号：US20170096068A1
公开(公告)日：2017-04-06
申请号：US15379984
申请日：2016-12-15
Applicant: Sevcon Limited
Inventor： Peter Barrass
CPC classification number: B60L3/08 , B60L3/00 , B60L15/20 , B60L2200/42 , B60L2240/12 , B60L2240/16 , B60L2240/18 , B60L2240/20 , B60L2240/22 , B60L2240/24 , B60L2240/26 , B60L2250/10 , B60L2250/16 , B66F9/07572 , B66F9/24 , B66F17/003 , B66F17/006 , Y02P90/60 , Y02T10/645 , Y02T10/7275
Abstract: An electric motor control unit for controlling the operation of an electric motor. The unit comprises: an electric motor controller comprising a processor having at least one input and at least one output, wherein an output of the processor is coupled to a power provider for controlling power to an electric motor; a tilt accelerometer system comprising a tilt accelerometer for determining a measure of the tilt of the electric motor unit relative to a reference orientation, wherein the tilt accelerometer system comprises an output for providing a signal based on the determined measure of the tilt; wherein the output of the tilt accelerometer system is coupled to an input of the processor of the electric motor controller; wherein the power provider comprises a power output for controlling the operation of an electric motor based on the output of the tilt accelerometer system.
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公开(公告)号：US09527387B2
公开(公告)日：2016-12-27
申请号：US14770486
申请日：2014-05-16
Applicant: Sevcon Limited
Inventor： Peter Barrass
CPC classification number: B60L3/08 , B60L3/00 , B60L15/20 , B60L2200/42 , B60L2240/12 , B60L2240/16 , B60L2240/18 , B60L2240/20 , B60L2240/22 , B60L2240/24 , B60L2240/26 , B60L2250/10 , B60L2250/16 , B66F9/07572 , B66F9/24 , B66F17/003 , B66F17/006 , Y02P90/60 , Y02T10/645 , Y02T10/7275
Abstract: An electric motor control unit for controlling the operation of an electric motor. The unit comprises: an electric motor controller comprising a processor having at least one input and at least one output, wherein an output of the processor is coupled to a power provider for controlling power to an electric motor; a tilt accelerometer system comprising a tilt accelerometer for determining a measure of the tilt of the electric motor unit relative to a reference orientation, wherein the tilt accelerometer system comprises an output for providing a signal based on the determined measure of the tilt; wherein the output of the tilt accelerometer system is coupled to an input of the processor of the electric motor controller; wherein the power provider comprises a power output for controlling the operation of an electric motor based on the output of the tilt accelerometer system.
Abstract translation: 一种用于控制电动机的操作的电动机控制单元。 该单元包括：电动机控制器，包括具有至少一个输入和至少一个输出的处理器，其中处理器的输出耦合到电力供应器以控制对电动机的电力; 一种倾斜加速度计系统，包括用于确定电动机单元相对于参考方向的倾斜度的倾斜加速度计，其中倾斜加速度计系统包括用于基于所确定的倾斜度量提供信号的输出; 其中所述倾斜加速度计系统的输出耦合到所述电动机控制器的所述处理器的输入; 其中所述电源提供器包括用于基于所述倾斜加速度计系统的输出来控制电动机的操作的功率输出。
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Patent Agency Ranking
公开(公告)号：US10985686B2
公开(公告)日：2021-04-20
申请号：US16304194
申请日：2017-05-23
Applicant: Sevcon Limited
Inventor： Peter Barrass , David Sandells
Abstract: A unit for installation in a complex product comprising an electric machine requiring an AC power supply. The unit comprises: a housing carrying an AC output; a battery in the housing comprising at least one battery cell; an inverter in the housing, the inverter comprising a plurality of voltage controlled impedances, VCIs, for providing a power supply to the AC output based on energy from the battery; wherein the housing carries a timing signal input configured to receive a timing signal from outside the housing; and wherein the timing signal input is coupled to control the VCIs so that changes in the impedances of the VCIs are synchronised with the timing signal.
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公开(公告)号：US20190214932A1
公开(公告)日：2019-07-11
申请号：US16304194
申请日：2017-05-23
Applicant: Sevcon Limited
Inventor： Peter Barrass , David Sandells
CPC classification number: H02P27/08 , B60L3/12 , B60L50/30 , B60L58/22 , B60L2240/547 , H02P27/06 , Y02T10/642 , Y02T10/7005 , Y02T10/7061
Abstract: A unit for installation in a complex product comprising an electric machine requiring an AC power supply. The unit comprises: a housing carrying an AC output; a battery in the housing comprising at least one battery cell; an inverter in the housing, the inverter comprising a plurality of voltage controlled impedances, VCIs, for providing a power supply to the AC output based on energy from the battery; wherein the housing carries a timing signal input configured to receive a timing signal from outside the housing; and wherein the timing signal input is coupled to control the VCIs so that changes in the impedances of the VCIs are synchronised with the timing signal.
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公开(公告)号：US20180235071A1
公开(公告)日：2018-08-16
申请号：US15746067
申请日：2016-07-27
Applicant: Sevcon Limited
Inventor： Peter Barrass , Matt Jackson
Abstract: A power electronics assembly for an electric motor controller. The power electronics assembly comprises an insulated metal substrate, a composite material substrate, and a bolt having a bolt head and a bolt shaft for mechanically coupling the composite material substrate to the insulated metal substrate. The power electronics assembly also includes an electrically conductive sleeve configured to be held between a first electrical contact carried by the insulated metal substrate and a second electrical contact carried by the composite material substrate and the bolt is configured to clamp the composite material substrate to the insulated metal substrate to force the electrically conductive sleeve against the first electrical contact and the second electrical contact.
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公开(公告)号：US20180183373A1
公开(公告)日：2018-06-28
申请号：US15722033
申请日：2017-10-02
Applicant: Sevcon Limited
Inventor： Peter Barrass
IPC: H02P25/08 , H02K1/14 , H02K1/24 , H02P25/092 , H02P6/22
CPC classification number: H02P25/08 , H02K1/14 , H02K1/246 , H02P6/22 , H02P25/092 , H02P25/0925
Abstract: A short pitched switched reluctance motor control apparatus comprising a voltage provider comprising a first coupling and a second coupling configured to be coupled to a phase winding of the switched reluctance motor for applying a voltage to drive current in the winding between the first and second coupling is disclosed. The apparatus further comprises a controller configured to apply a first voltage pulse to the first coupling, and to apply a second voltage pulse to the second coupling, wherein the start of the second pulse is delayed with respect to the start of the first pulse, and the end of the first pulse is delayed with respect to the end of the second pulse.
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公开(公告)号：US20180183164A1
公开(公告)日：2018-06-28
申请号：US15739282
申请日：2016-07-04
Applicant: Sevcon Limited
Inventor： Gary Squires , Matt Jackson , Peter Barrass
Abstract: A power electronics assembly for an electric motor controller is disclosed having a first circuit board, a second circuit board spaced from the first circuit board by a stand-off distance, an electrically insulating housing held between the first circuit board and the second circuit board, multiple conductors, and a restraint adapted to hold the electrically insulating housing to the first circuit. The electrically insulating housing includes multiple channels. Each of the multiple conductors are arranged to provide a conduction path through a corresponding channel and are each trapped between the electrically insulating housing and the first circuit board and biased into electrical contact with an electrical conductor of the first circuit board.
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