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公开(公告)号：US20200021103A1
公开(公告)日：2020-01-16
申请号：US16503786
申请日：2019-07-05
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson
Abstract: A circuit for minimizing energy provided to a ground fault includes a source, a multiple switches, an output filter, and a controller. The switches include a first side pair of switches and a second side pair of switches configured to provide an output signal based on the source. The output filter includes one or more energy storage elements coupled to the first side pair of switches or the second side pair of switches. The controller is configured to receive a ground fault signal that indicates a fault has occurred and configured to generate a switch signal for the switches for a minimum energy state of the output filter and in response to the ground fault signal.
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公开(公告)号：US20190074779A1
公开(公告)日：2019-03-07
申请号：US16182130
申请日：2018-11-06
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson
Abstract: An apparatus includes a first inverter circuit and a second inverter circuit. The first invertor circuit is configured to couple an alternator and a load device to deliver a driving signal from the alternator to the load device. The second invertor circuit is configured to couple the alternator to the load device to deliver a driving signal from the alternator to the load device and configured to couple a battery to the alternator to deliver a charging signal from the alternator the battery
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公开(公告)号：US20190020284A1
公开(公告)日：2019-01-17
申请号：US15649076
申请日：2017-07-13
Applicant: Kohler Co.
Inventor： Robert J. Danforth, III , Adam Larson , Isaac S. Frampton
Abstract: An apparatus includes a controlled field alternator or utility source of electrical power, a conversion device, and a controller. The conversion device includes a first power input associated with a first power source, a second power input associated with a second power source, and circuitry configured to perform a first conversion of power from a first format from the first power source to a second format for charging the second power source and perform a second conversion of power from the second format for the second power source to a third format for supplying a load.
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公开(公告)号：US10148207B2
公开(公告)日：2018-12-04
申请号：US14885112
申请日：2015-10-16
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson
Abstract: A generator or another type machine includes a controlled field alternator, a segmented waveform converter, and a controller. The controlled field alternator is configured to generate a polyphase signal. The segmented waveform converter includes multiple switches connected between the polyphase signal of the controlled field alternator and an output filter. The controller is configured to provide a control signal for the switches based on measured electrical quantities associated with the output filter and provide a field current control signal to the controlled field alternator.
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Patent Agency Ranking
公开(公告)号：US10063097B2
公开(公告)日：2018-08-28
申请号：US15175761
申请日：2016-06-07
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson , Terrence Rotter
IPC: H02J7/00 , H02J50/10 , H02J7/14 , H02P9/30 , H02M5/297 , H02P9/48 , H02M1/12 , H02M3/158 , H02M7/219 , H02M1/00
CPC classification number: H02J50/10 , H02J7/1492 , H02M1/126 , H02M3/158 , H02M5/297 , H02M7/219 , H02M2001/007 , H02M2001/0077 , H02M2001/008 , H02P9/30 , H02P9/48
Abstract: An apparatus includes a controlled field alternator or utility source of electrical power, a segmented waveform converter, and a controller. The source of electrical power is configured to generate a polyphase signal. The synchronous inverter includes multiple switches connected between the polyphase signal of the source of electrical power and an output filter. The controller is configured to provide a control signal for the switches based on measured electrical quantities associated with the output filter and may provide a field control signal to the controlled field alternator. The apparatus may be applied to a vehicle, a lawnmower, a zero turn radius lawnmower, or another type of machine.
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公开(公告)号：US09590545B2
公开(公告)日：2017-03-07
申请号：US14675001
申请日：2015-03-31
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson , Richard Van Maaren
CPC classification number: H02P9/00 , H02K7/1815 , H02P9/009 , H02P9/04 , H02P9/14 , H02P9/302 , H02P9/48 , H02P2101/45
Abstract: In one embodiment, a generator includes a rotor configured to rotate in cooperation with a stator to generate electrical power. A sensor, which is supported by the rotor, is configured to generate a trigger signal indicative of a position of the rotor. A communication interface is configured to receive the trigger signal from the sensor of the rotor and receive data indicative of an output of the generator. A controller supported by the rotor or configured to perform a phase analysis of the trigger signal and the output of the generator and calculate a power angle for the generator based on the phase analysis.
Abstract translation: 在一个实施例中，发电机包括配置成与定子协作旋转以产生电力的转子。 由转子支撑的传感器被配置为产生指示转子位置的触发信号。 通信接口被配置为从转子的传感器接收触发信号并接收指示发生器的输出的数据。 由转子支持的或被配置为执行触发信号和发生器的输出的相位分析并基于相位分析计算发电机的功率角的控制器。
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公开(公告)号：US20160359400A1
公开(公告)日：2016-12-08
申请号：US14732829
申请日：2015-06-08
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson , Frank C. Formas
CPC classification number: F02B63/042 , H02K1/182 , H02K7/1815 , H02K9/005 , H02K9/19 , H02K9/22 , H02K19/28 , H02K19/38 , H02K2201/03 , H02P9/302
Abstract: An alternator includes an exciter field device generating an exciter magnetic field in a first air gap, an exciter armature device configured to rotate with respect to the exciter magnetic field and impart a first voltage in a first set of coils at the first air gap, a main stator device including a second set of coils, and a rotor field device configured to be energized by the first current in the first set of coils and generate a main magnetic field that imparts a second voltage on the main stator device at a second air gap. The main stator device and the exciter field device lie in on a common plane normal to an axis of rotation, and the exciter armature device is inwardly spaced from the exciter field device, main stator device, and the rotor field device.
Abstract translation: 交流发电机包括在第一气隙中产生励磁机磁场的励磁机现场装置，激励器电枢装置，其配置成相对于励磁机磁场旋转并在第一气隙处在第一组线圈中施加第一电压， 主定子装置包括第二组线圈，以及转子场装置，其被配置为由第一组线圈中的第一电流激励，并产生主磁场，其在第二气隙处在主定子装置上施加第二电压 。 主定子装置和励磁机现场装置位于与旋转轴线垂直的公共平面上，并且励磁机电枢装置与励磁机现场装置，主定子装置和转子现场装置向内间隔开。
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公开(公告)号：US20160149528A1
公开(公告)日：2016-05-26
申请号：US14675001
申请日：2015-03-31
Applicant: Kohler Co.
Inventor： Isaac S. Frampton , Adam Larson , Richard Van Maaren
IPC: H02P9/00
CPC classification number: H02P9/00 , H02K7/1815 , H02P9/009 , H02P9/04 , H02P9/14 , H02P9/302 , H02P9/48 , H02P2101/45
Abstract: In one embodiment, a generator includes a rotor configured to rotate in cooperation with a stator to generate electrical power. A sensor, which is supported by the rotor, is configured to generate a trigger signal indicative of a position of the rotor. A communication interface is configured to receive the trigger signal from the sensor of the rotor and receive data indicative of an output of the generator. A controller supported by the rotor or configured to perform a phase analysis of the trigger signal and the output of the generator and calculate a power angle for the generator based on the phase analysis.
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公开(公告)号：US08963510B1
公开(公告)日：2015-02-24
申请号：US13974834
申请日：2013-08-23
Applicant: Kohler Co.
Inventor： Adam Larson
Abstract: A self-excited alternator for generating electrical energy. The alternator includes a stator, a rotor, and an exciter. The rotor includes conductors which are integrated within the rotor via one of a casting process, a welding process, or a fastening process. The exciter includes a magnet producing a static magnetic field, and a rotatable conductive member coupled to the shaft and electrically coupled to the one or more conductors. The rotatable conductive member is operable to output the direct current to the one or more conductors upon rotation within the static magnetic field, thus exciting the alternator.
Abstract translation: 用于产生电能的自激式交流发电机。 交流发电机包括定子，转子和励磁机。 转子包括通过铸造工艺，焊接工艺或紧固工艺中的一个集成在转子内的导体。 激励器包括产生静磁场的磁体和耦合到该轴并且电耦合到一个或多个导体的可旋转导电构件。 可旋转导电构件可操作以在静态磁场内旋转时将直流输出到一个或多个导体，从而激励交流发电机。
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