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1. 发明授权

US10432128B2 Frequency converter 有权
公开(公告)号：US10432128B2
公开(公告)日：2019-10-01
申请号：US15121792
申请日：2015-02-27
申请人： Schmidhauser AG
发明人： Dirk Schekulin
IPC分类号： H02P27/06 , H02M1/12 , H02M3/158 , H02M5/458 , H02M7/5387 , H02P23/04 , H02M1/32 , H02M1/00
摘要： A frequency converter is used for generating at least one frequency converter output voltage a prescribable frequency converter output voltage amplitude and a prescribable frequency converter output voltage frequency for an electric motor. The frequency converter has: a clocked DC/DC converter is designed to generate from an input direct voltage having an input voltage level a DC/DC converter output voltage having a DC/DC converter output voltage level, wherein the DC/DC converter is designed to generate the DC/DC converter output voltage level based on the prescribable frequency converter output voltage amplitude, and a clocked inverter having a number of controllable switches, to which inverter the DC/DC converter output voltage is applied and which actuates the switches with an inverter switching frequency such that the at least one frequency converter output voltage with the prescribable frequency converter output voltage frequency is generated from the DC/DC converter output voltage.

2. 发明授权

US10193464B2 DC-DC converter 有权
公开(公告)号：US10193464B2
公开(公告)日：2019-01-29
申请号：US15568514
申请日：2016-04-22
申请人： Schmidhauser AG
发明人： Dirk Schekulin
IPC分类号： H02M1/34 , H02M1/32 , H02M3/335 , H02M3/337 , H02H7/12 , H02M3/156 , H02M7/519 , H02H7/125 , H03K17/0812 , H03K17/284
摘要： A DC-DC converter includes: an output terminal, wherein the output terminal has a first output terminal pin and a second output terminal pin; a number of rectifier elements; a voltage limiting unit having an electrical energy store, wherein the voltage limiting unit is designed to limit voltages across the rectifier elements; and a clocked energy regulator unit which is designed to regulate at a setpoint value energy which is stored in the electrical energy store.

3. 发明授权

US11791089B2 Coil component 有权
公开(公告)号：US11791089B2
公开(公告)日：2023-10-17
申请号：US16606510
申请日：2018-04-20
申请人： Schmidhauser AG
发明人： Christof Schneggenburger , Dirk Schekulin , Bernhard Laeng , Silvia Gross-Kaeufler , Tobias Diefenbacher
IPC分类号： H01F27/00 , H01F27/29 , H01F27/02 , H01F27/24 , H01F27/32 , H01F41/02 , H01F41/06 , H01F41/12 , H01F27/28
CPC分类号： H01F27/29 , H01F27/02 , H01F27/24 , H01F27/327 , H01F41/0206 , H01F41/06 , H01F41/127 , H01F27/28
摘要： A coil component includes a cup, a magnetic core, an electric conductor wound around the core, a cover, which closes the cup, and electric terminal contacts, which are in electric contact with ends of the electric conductor. The core and the electric conductor are arranged in the cup and the cup is filled with potting compound.

4. 发明授权

US10630204B2 Network feedback unit to feed energy into a three-phase network and electrical drive system 有权
公开(公告)号：US10630204B2
公开(公告)日：2020-04-21
申请号：US15771993
申请日：2016-10-28
申请人： Schmidhauser AG
发明人： Christof Schneggenburger , Dirk Schekulin
IPC分类号： H02M7/53 , H02M7/5387 , H02M3/158 , H02M7/5395 , H02M1/00
CPC分类号： H02M7/5387 , H02M3/1584 , H02M7/5395 , H02M2001/007 , H02M2001/0009
摘要： A network feedback unit feeds electrical energy from a voltage intermediate circuit into a three-phase network. The network feedback unit has: a buck converter unit having first and second buck converters, the first buck and second buck converters being connected in parallel with the input side of each electrically coupled to the voltage intermediate circuit; an inverter, with the input side electrically coupled to an output of the buck converter unit and the output side electrically coupled to the three-phase network; at least one filter capacitor arranged at the output of the buck converter unit or at the output of the inverter; and a controller unit to drive the first and second buck converter depending on a filter capacitor current such that the first and second buck converter contribute in equal parts to an output current of the buck converter unit.

5. 发明授权

US10811984B2 Bidirectional DC-to-DC converter with voltage limitation device including switching element and voltage limitation capacitor 有权
公开(公告)号：US10811984B2
公开(公告)日：2020-10-20
申请号：US15567667
申请日：2016-04-22
申请人： Schmidhauser AG
发明人： Dirk Schekulin
IPC分类号： H02M3/335 , H02M1/32 , H02M3/28
摘要： A bidirectional DC-to-DC converter include a first half-bridge circuit, a second half-bridge circuit, at least one transformer having a first primary winding and a second primary winding and at least one secondary winding. The first half-bridge circuit is designed to generate an AC voltage at the first primary winding, and the second half-bridge circuit is designed to generate an AC voltage at the second primary winding. At least one bidirectional power converter circuit is electrically coupled to the secondary winding in a bridge arrangement. The bridge arrangement has a first bridge connection pole and a second bridge connection pole. The power converter circuit includes a voltage limitation device having a switching element.

6. 发明授权

US11374485B2 Filter unit and frequency inverter 有权
公开(公告)号：US11374485B2
公开(公告)日：2022-06-28
申请号：US16981324
申请日：2019-03-15
申请人： Schmidhauser AG
发明人： Dirk Schekulin
IPC分类号： H02M1/12 , H02P27/06
摘要： A filter unit is intended to be connected between an inverter and an electric motor. The filter unit includes: a number of phase connections for connecting to corresponding phase connections of the inverter; a first DC link connection for connecting to a first DC link connection on the inverter and a second DC link connection for connecting to a second DC link connection on the inverter; a number of motor connections for connecting to corresponding connections on the electric motor; a number of filter elements for reducing a rate of voltage rise at the motor connections of the filter unit, filter element is connected between corresponding phase connections of the filter unit and corresponding motor connections of the filter unit; and a coupling unit, which couples the filter elements capacitively with the first DC link connection and the second DC link connection of the filter unit.

7. 发明授权

US10256736B2 DC-DC converter with polarity reversal protection 有权
公开(公告)号：US10256736B2
公开(公告)日：2019-04-09
申请号：US14438161
申请日：2013-10-23
申请人： Schmidhauser AG
发明人： Dirk Schekulin , Silvia Gross , Chris Haertsch , Thomas Bisig , Alex Itten , Pierre Cavin
IPC分类号： H02M3/335 , H02H7/12 , H02H11/00 , H02M1/32
摘要： A DC-DC converter includes a first half-bridge circuit, a second half-bridge circuit, at least one transformer having at least one primary winding and at least one secondary winding, wherein the first and second half-bridge circuits are designed to generate an AC voltage at the at least one primary winding, and a rectifier circuit having an output terminal. The output terminal includes a first output terminal pole and a second output terminal pole. The rectifier circuit includes at least one rectifier element. The rectifier circuit is designed to rectify a voltage present at the at least one secondary winding and to output it at the output terminal. The rectifier circuit includes a polarity reversal protection transistor, the collector-emitter path of which or the drain-source path of which is looped in between a terminal of the at least one rectifier element and the first or the second output terminal pole of the output terminal.

8. 发明申请

US20150280589A1 DC-DC Converter 审中-公开
标题翻译： DC-DC转换器
公开(公告)号：US20150280589A1
公开(公告)日：2015-10-01
申请号：US14438161
申请日：2013-10-23
申请人： SCHMIDHAUSER AG
发明人： Dirk Schekulin , Silvia Gross , Chris Haertsch , Thomas Bisig , Alex Itten , Pierre Cavin
IPC分类号： H02M3/335
CPC分类号： H02M3/33546 , H02H7/1213 , H02H11/003 , H02M1/32 , H02M3/33576
摘要： A DC-DC converter includes a first half-bridge circuit, a second half-bridge circuit, at least one transformer having at least one primary winding and at least one secondary winding, wherein the first and second half-bridge circuits are designed to generate an AC voltage at the at least one primary winding, and a rectifier circuit having an output terminal. The output terminal includes a first output terminal pole and a second output terminal pole. The rectifier circuit includes at least one rectifier element. The rectifier circuit is designed to rectify a voltage present at the at least one secondary winding and to output it at the output terminal. The rectifier circuit includes a polarity reversal protection transistor, the collector-emitter path of which or the drain-source path of which is looped in between a terminal of the at least one rectifier element and the first or the second output terminal pole of the output terminal.
摘要翻译： DC-DC转换器包括第一半桥电路，第二半桥电路，至少一个具有至少一个初级绕组和至少一个次级绕组的变压器，其中第一和第二半桥电路被设计成产生至少一个初级绕组的交流电压，以及具有输出端的整流电路。输出端子包括第一输出端极和第二输出端极。整流电路包括至少一个整流元件。整流电路被设计为对存在于至少一个次级绕组上的电压进行整流并在输出端输出。整流电路包括极性反转保护晶体管，其集电极 - 发射极路径或其漏源极路径环绕在至少一个整流元件的端子与输出端的第一或第二输出端极之间终奌站。

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