JP2018207731A - 送電装置および受電装置 - Google Patents
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- 230000006870 function Effects 0.000 description 33
- 239000003990 capacitor Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 20
- 238000012545 processing Methods 0.000 description 18
- 238000004891 communication Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 102220352372 c.148T>G Human genes 0.000 description 4
- 102220486681 Putative uncharacterized protein PRO1854_S10A_mutation Human genes 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H02J7/025—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
図1は、本実施の形態による電力伝送システムの全体図である。電力伝送システムは、車両1と、送電装置10とを備える。車両1は、受電装置20を含む。受電装置20は、車両1の底面に設けられ、たとえば、車両1の底面に設置された蓄電装置350の下面(路面側)に設けられる。
図5は、キャパシタ314の構成の他の例を示した図である。図5に示すように、キャパシタ314は、充電ECU360からの制御信号に従って容量を連続的に変更可能に構成されたバリアブルコンデンサ(Variable Condenser)であってもよい。この場合、充電ECU360はキャパシタ314の容量を所定の分解能で調整することができ、これにより共振周波数も所定の分解能で調整することができる。
上述したように、送電装置10から受電装置20への電力伝送が行なわれる際、送電装置10(電源ECU250)は、電力伝送効率がより高くなるように送電周波数を調整する「送電周波数調整制御」を実行することができる。また、受電装置20(充電ECU360)は、電力伝送効率がより高くなるように受電部310の共振周波数を調整する「共振周波数調整制御」を実行することができる。
上述の実施の形態では制御性を示す情報として分解能を用いる例について説明したが、制御性を示す情報はこれに限定されない。たとえば、制御性を示す情報として周波数の調整幅(調整可能範囲)を用いるようにしてもよい。
上述の実施の形態においては、送電周波数調整制御と共振周波数調整制御とが実行可能である場合において、制御性のより高い方の制御が選択される例について説明した。
上述の実施の形態においては、送電周波数調整制御と共振周波数調整制御とが実行可能である場合において、どちらの制御を行なうかを送電装置10が主体的に決定する例について説明した。しかしながら、どちらの制御を行なうかを受電装置20が主体的に決定するようにしてもよい。
上述の実施の形態においては、受電部310のキャパシタ314の容量(キャパシタンス)を変更可能に構成し、受電部310のキャパシタ314の容量を変更することで受電部310の共振周波数を調整する例を示した。
Claims (8)
- 交流の送電電力を受電装置の受電部へ非接触で送電可能に構成された送電部と、
前記送電電力の周波数である送電周波数を調整する制御を実行可能に構成された制御装置とを備え、
前記制御装置は、前記受電装置から受信した情報を用いて前記受電装置が前記受電部の共振周波数を調整する機能を有しているか否かを判定し、その判定の結果を用いて前記送電周波数を調整する制御を行なうか否かを決定する、送電装置。 - 前記制御装置は、
前記受電装置が前記共振周波数を調整する機能を有していない場合、前記送電電力の周波数を調整する制御を行ない、
前記受電装置が前記共振周波数を調整する機能を有している場合、前記共振周波数の制御性と前記送電周波数の制御性とを比較し、前記送電周波数の制御性が前記共振周波数の制御性よりも高い場合に前記送電周波数を調整する制御を行なう、請求項1に記載の送電装置。 - 前記制御装置は、前記受電装置が前記共振周波数を調整する機能を有しており、かつ前記送電周波数の制御性が前記共振周波数の制御性よりも低い場合には、前記送電周波数を調整する制御を行なわずに前記送電周波数を予め定められた値に固定し、前記共振周波数の調整を要求する信号を前記受電装置に送信する、請求項2に記載の送電装置。
- 前記制御装置は、前記受電装置から前記送電周波数が指定されている場合には、前記送電周波数を調整する制御を行なわずに前記送電周波数を前記受電装置から指定された値に固定し、前記共振周波数の調整を要求する信号を前記受電装置に送信する、請求項2に記載の送電装置。
- 送電装置からの交流の送電電力を非接触で受電可能に構成される受電部と、
前記受電部の共振周波数を調整する制御を実行可能に構成された制御装置とを備え、
前記制御装置は、前記送電装置から受信した情報を用いて前記送電装置が前記送電電力の周波数である送電周波数を調整する機能を有しているか否かを判定し、その判定の結果を用いて前記共振周波数を調整する制御を行なうか否かを決定する、受電装置。 - 前記制御装置は、
前記送電装置が前記送電周波数を調整する機能を有していない場合、前記共振周波数を調整する制御を行ない、
前記送電装置が前記送電周波数を調整する機能を有している場合、前記共振周波数の制御性と前記送電周波数の制御性とを比較し、前記共振周波数の制御性が前記送電周波数の制御性よりも高い場合に前記共振周波数を調整する制御を行なう、請求項5に記載の受電装置。 - 前記制御装置は、前記送電装置が前記送電周波数を調整する機能を有しており、かつ前記共振周波数の制御性が前記送電周波数の制御性よりも低い場合には、前記共振周波数を調整する制御を行なわずに前記共振周波数を予め定められた値に固定し、前記送電周波数の調整を要求する信号を前記送電装置に送信する、請求項6に記載の受電装置。
- 前記制御装置は、前記送電装置から前記共振周波数が指定されている場合には、前記共振周波数を調整する制御を行なわずに前記共振周波数を前記送電装置から指定された値に固定し、前記送電周波数の調整を要求する信号を前記送電装置に送信する、請求項6に記載の受電装置。
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JP2017113577A JP6798428B2 (ja) | 2017-06-08 | 2017-06-08 | 送電装置および受電装置 |
CN201810586633.3A CN109245254B (zh) | 2017-06-08 | 2018-06-06 | 电力传送装置和电力接收装置 |
US16/001,474 US10833534B2 (en) | 2017-06-08 | 2018-06-06 | Power transmitting device and power receiving device |
EP18176690.8A EP3413427B1 (en) | 2017-06-08 | 2018-06-08 | Power transmitting device and power receiving device |
US17/061,158 US11303157B2 (en) | 2017-06-08 | 2020-10-01 | Power transmitting device and power receiving device |
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JP6719682B1 (ja) * | 2019-04-01 | 2020-07-08 | 三菱電機株式会社 | ワイヤレス給電システムおよび受電装置 |
JP2023509051A (ja) * | 2019-12-31 | 2023-03-06 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 周波数ロック方法、ワイヤレス充電システム、受信デバイス、および送信デバイス |
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WO2019192736A1 (en) | 2018-04-06 | 2019-10-10 | Abb Schweiz Ag | A power transfer system for electric vehicles and a control method thereof |
CN111937267A (zh) | 2018-04-06 | 2020-11-13 | Abb瑞士股份有限公司 | 用于电动车辆的功率传输系统及其控制方法 |
US11975620B2 (en) * | 2018-04-23 | 2024-05-07 | ABB E-mobility B.V. | Power transfer system for electric vehicles and a control method thereof |
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US7825543B2 (en) | 2005-07-12 | 2010-11-02 | Massachusetts Institute Of Technology | Wireless energy transfer |
KR101386515B1 (ko) | 2007-03-27 | 2014-04-17 | 메사추세츠 인스티튜트 오브 테크놀로지 | 무선 에너지 전달 |
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WO2013069089A1 (ja) * | 2011-11-08 | 2013-05-16 | トヨタ自動車株式会社 | 車両の受電装置、送電装置および非接触送受電システム |
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JP6719682B1 (ja) * | 2019-04-01 | 2020-07-08 | 三菱電機株式会社 | ワイヤレス給電システムおよび受電装置 |
US11735959B2 (en) | 2019-04-01 | 2023-08-22 | Mitsubishi Electric Corporation | Wireless power feeding system and power reception device |
JP2023509051A (ja) * | 2019-12-31 | 2023-03-06 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 周波数ロック方法、ワイヤレス充電システム、受信デバイス、および送信デバイス |
JP7347729B2 (ja) | 2019-12-31 | 2023-09-20 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 周波数ロック方法、ワイヤレス充電システム、受信デバイス、および送信デバイス |
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US10833534B2 (en) | 2020-11-10 |
JP6798428B2 (ja) | 2020-12-09 |
CN109245254A (zh) | 2019-01-18 |
US11303157B2 (en) | 2022-04-12 |
EP3413427A1 (en) | 2018-12-12 |
US20180358843A1 (en) | 2018-12-13 |
CN109245254B (zh) | 2022-01-18 |
US20210021159A1 (en) | 2021-01-21 |
EP3413427B1 (en) | 2019-12-25 |
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