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1. 发明授权

US10003128B2 Resonant type power transmission antenna device 有权
公开(公告)号：US10003128B2
公开(公告)日：2018-06-19
申请号：US15103974
申请日：2013-12-26
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H01Q1/52 , H02J50/70 , H02J50/05 , H02J7/00 , H02J5/00 , H01Q3/26 , H01Q7/00 , H01Q21/00 , B60L11/18 , H02J50/12 , H02J50/40
CPC分类号： H01Q1/526 , B60L53/12 , B60L2270/147 , H01Q3/26 , H01Q7/00 , H01Q21/00 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/70 , Y02T10/7005 , Y02T10/7072 , Y02T90/122 , Y02T90/14
摘要： Disclosed is a resonant type power transmission antenna device provided with a plurality of transmission antennas 12 and a plurality of reception antennas 13, the resonant type power transmission antenna device including a transmission shield antenna 22 arranged between the plurality of transmission antennas 12, a reception shield antenna 23 arranged between the plurality of reception antennas 13, transmission and reception circuits 21 and 24 to operate the transmission and reception shield antennas 22 and 23 in electromagnetic field resonance having a phase opposite to that of the transmission and reception antennas 12 and 13 respectively adjacent to the transmission and reception shield antennas.

2. 发明授权

US09882509B2 Resonant type high frequency power supply device and switching circuit for resonant type high frequency power supply device 有权
公开(公告)号：US09882509B2
公开(公告)日：2018-01-30
申请号：US15028650
申请日：2013-10-31
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02M7/533 , H02J50/12 , H02M7/5383 , H02M7/537 , H02M1/00 , H02M7/48
CPC分类号： H02M7/533 , H02J7/0065 , H02J50/12 , H02M7/537 , H02M7/53832 , H02M2001/0058 , H02M2007/4815 , Y02B40/90 , Y02B70/1441 , Y02B70/1491
摘要： Disclosed is a resonant type high frequency power supply device provided with a power element that performs a switching operation, the power supply device including a high frequency pulse drive circuit 1 that transmits a pulse-shaped voltage signal having a high frequency exceeding 2 MHz to the power element to drive the power element, wherein a voltage signal from the high frequency pulse drive circuit 1 is subjected to partial resonance by an impedance of a signal line of the voltage signal and a parasitic capacitance of the power element.

3. 发明授权

US10361592B2 Power transmission device and antenna 有权
公开(公告)号：US10361592B2
公开(公告)日：2019-07-23
申请号：US15743886
申请日：2015-08-03
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Yuki Ito
IPC分类号： H02J50/12 , B60L9/00 , H01Q1/24 , H01Q7/06
摘要： A transmission/reception unit including a transmitting antenna and a receiving antenna for carrying out a wireless power transmission in cooperation with the transmitting antenna. Each of the transmitting antenna and the receiving antenna includes a coil which has a shape in which a portion through which a current flows in a direction extends along another portion through which a current flows in an opposite direction.

4. 发明授权

US09337665B2 Multiplexed wireless power transmission system for moving component 有权
标题翻译：用于移动组件的多路复用无线电力传输系统
公开(公告)号：US09337665B2
公开(公告)日：2016-05-10
申请号：US14433847
申请日：2013-09-02
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Yoshiyuki Takahashi
IPC分类号： H02J17/00 , H02J5/00 , H01F38/18
CPC分类号： H02J50/40 , H01F38/18 , H02J5/005 , H02J17/00 , H02J50/05 , H02J50/10 , H02J50/12 , H02J50/70
摘要： A system has primary transmission power supply 1 that supplies power; transmitter-receiver 3 including plural channels of transmitting antennas 5 that wirelessly transmit supplied power and plural channels of receiving antennas 6 that receive power from paired transmitting antennas 5; plural channels of transmission power circuits 2 that establish resonance conditions of paired transmitting antennas 5; and plural channels of receiving power circuits 4 that establish resonance conditions of paired receiving antennas 6. Transmitting antennas 5 have transmitting-side coils 8 approximately centered around the axis of a rotating body or arranged around the axis; and transmitting-side spacers 7 with prescribed permeabilities arranged to control magnetic flux caused by transmitting-side coils 8 for individual channels. Receiving antennas 6 have receiving-side coils 10 placed in the same manner as transmitting-side coils 8; and receiving-side spacers 9 with prescribed permeabilities arranged to control magnetic flux caused by receiving-side coils 10 for individual channels.
摘要翻译：系统具有供电的一次发射电源1; 发射机 - 接收机3，包括无线发送供电的多个发送天线5，以及从成对的发送天线5接收电力的多个接收天线6; 建立配对发射天线5的谐振条件的多个发送功率电路2的通道; 以及构成成对的接收天线6的共振条件的多个信道的接收电力电路4.发送天线5具有大致以旋转体的轴线为中心或绕轴线配置的发送侧线圈8，和具有规定的磁导率的发送侧间隔件7，其布置成控制由各个通道的发送侧线圈8引起的磁通量。接收天线6具有以与发送侧线圈8相同的方式设置的接收侧线圈10; 以及具有规定的磁导率的接收侧间隔件9，其布置成控制由各个通道的接收侧线圈10引起的磁通量。

5. 发明授权

US10910885B2 Power transmission-side apparatus 有权
公开(公告)号：US10910885B2
公开(公告)日：2021-02-02
申请号：US16475212
申请日：2017-02-08
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Hirokazu Suzuki
IPC分类号： H02J50/60 , H02J50/12 , H01F38/14 , H02J50/10
摘要： There are included: a switching parameter detecting unit (21) that detects a switching voltage of a switching element (Q1); and an abnormality detecting unit (a first comparing unit (264a) and an abnormality determining unit (265)) that detects an abnormality caused by foreign matter, on the basis of a result of the detection by the switching parameter detecting unit (21).

6. 发明授权

US10243413B2 Resonance type power transmission device 有权
公开(公告)号：US10243413B2
公开(公告)日：2019-03-26
申请号：US15531550
申请日：2015-01-28
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Yuki Ito , Hiroshi Matsumori
IPC分类号： H02J50/70 , H01F38/18 , H02J50/40 , H02J50/12 , H02J50/20 , H01F27/36 , H01F38/14
摘要： Disclosed is a resonance type power transmission device in which a plurality of systems having respective transmitters and receivers 3 are arranged opposite to each other and each of the systems transmits electric power having a single frequency, each of the transmitters and receivers having a transmission antenna 5 and a reception antenna 6 which are disposed so as to be fitted to each other, and in which a magnetic sheet 7 is disposed in a portion between the systems, opposite to the transmitters and receivers 3 at a distance, from each of the transmitters and receivers 3, of 1/10 or more of the minimum of the outer diameters of the transmission antenna 5 and the reception antenna 6.

7. 发明授权

US10033227B2 Resonant type transmission power supply device and resonant type transmission power supply system 有权
公开(公告)号：US10033227B2
公开(公告)日：2018-07-24
申请号：US15104157
申请日：2013-12-26
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02J50/12 , H02J50/90 , H02J7/02 , H02J7/04 , H02J50/40 , H02J50/05 , H02J17/00 , H02J50/60
摘要： Disclosed is a resonant type transmission power supply device including a transmission power state detecting circuit 11 to detect a transmission power state of a transmission antenna 2, a foreign object detecting circuit 124 to detect the presence or absence of a foreign object in an electromagnetic field generated from the transmission antenna 2 on the basis of a detection result acquired by the transmission power state detecting circuit 11, and a power control circuit 125 to reduce or stop the supply of electric power to the transmission antenna 2 when foreign object is detected by the foreign object detecting circuit 124.

8. 发明授权

US09742307B2 Rectifying circuit for high-frequency power supply 有权
公开(公告)号：US09742307B2
公开(公告)日：2017-08-22
申请号：US15031196
申请日：2013-12-26
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02M7/04 , H02M7/06 , H02M7/217 , H02M1/14
CPC分类号： H02J50/12 , H02J50/05 , H02M1/14 , H02M7/04 , H02M7/06 , H02M7/217 , Y02B70/1441
摘要： Disclosed is a rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency equal to or higher than 2 MHz, the rectifying circuit for high-frequency power supply including a current doubler rectifier circuit that rectifies the alternating voltage inputted from a reception antenna for power transmission 10, a partial resonant circuit that causes the current doubler rectifier circuit to perform partial resonant switching in a switching operation at the time of rectification, a matching functional circuit that has a function of matching a resonance condition to that of the reception antenna for power transmission 10, and a function of matching the resonance condition to that of the partial resonant circuit, and a smoothing functional circuit that smooths the voltage rectified by the current doubler rectifier circuit into a direct voltage.

9. 发明授权

US09343910B2 Multiplex wireless power transmission system and transmitting-side multiplex wireless power transmission apparatus 有权
标题翻译：多路无线电力传输系统和发射侧多路无线电力传输装置
公开(公告)号：US09343910B2
公开(公告)日：2016-05-17
申请号：US14433776
申请日：2013-09-02
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Yoshiyuki Takahashi
IPC分类号： H02J17/00 , H02J5/00 , H01F38/14
CPC分类号： H02J50/12 , H01F38/14 , H02J50/05 , H02J50/40
摘要： A system includes a primary transmission power supply 1 that provides single frequency power; a transmitter-receiver having plural channels of transmitting antennas 5 that wirelessly transmit power provided from the primary transmission power supply 1 and plural channels of receiving antennas 6 that receive the power transferred from the paired transmitting antennas 5; plural channels of transmission power circuits 2 that establish resonance conditions of the paired transmitting antennas; and plural channels of receiving power circuits 4 that establish resonance conditions of the paired receiving antennas, in which the individual transmission power circuits 2 provide the transmitting antennas 5 of adjacent channels with powers with half-wave resonance waveforms that avoid a period during which the power waves overlap on each other by shifting a phase of voltage or current of the powers.
摘要翻译：系统包括提供单频功率的主发射电源1; 具有从主发送电源1无线发送功率的多个发送天线5的发送接收机和接收从成对的发送天线5发送的电力的多个接收天线6的通信装置; 构成成对的发送天线的共振条件的多个发送电力电路2的通道; 以及建立成对的接收天线的共振条件的多个信道的接收电力电路4，其中各个发射功率电路2为相邻信道的发射天线5提供具有半波谐振波形的功率，其避免了功率通过移动电源的电压或电流的相位，波彼此重叠。

10. 发明授权

US11521794B2 Resonance-type power transfer coil 有权
公开(公告)号：US11521794B2
公开(公告)日：2022-12-06
申请号：US16477948
申请日：2017-03-10
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Yuki Ito
IPC分类号： H01F38/14 , H02J50/12 , H01F27/32
摘要： A conductor (31) wound into a multiple-layered helical shape, and an insulating member (32) provided between layers of the conductor are provided.

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