JP6887496B2 - ヒートポンプ利用機器 - Google Patents
ヒートポンプ利用機器 Download PDFInfo
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- JP6887496B2 JP6887496B2 JP2019526403A JP2019526403A JP6887496B2 JP 6887496 B2 JP6887496 B2 JP 6887496B2 JP 2019526403 A JP2019526403 A JP 2019526403A JP 2019526403 A JP2019526403 A JP 2019526403A JP 6887496 B2 JP6887496 B2 JP 6887496B2
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- refrigerant
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- 239000003507 refrigerant Substances 0.000 claims description 415
- 238000010438 heat treatment Methods 0.000 claims description 60
- 238000001514 detection method Methods 0.000 claims description 39
- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 201
- 238000010257 thawing Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229920003027 Thinsulate Polymers 0.000 description 1
- 239000004789 Thinsulate Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 felt Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/003—Indoor unit with water as a heat sink or heat source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/005—Outdoor unit expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0292—Control issues related to reversing valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0312—Pressure sensors near the indoor heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Description
本発明の実施の形態1に係るヒートポンプ利用機器について説明する。図1は、本実施の形態に係るヒートポンプ利用機器の概略構成を示す回路図である。本実施の形態では、ヒートポンプ利用機器として、ヒートポンプ給湯暖房装置1000を例示している。なお、図1を含む以下の図面では、各構成部材の寸法の関係や形状等が実際のものとは異なる場合がある。
例えば、上記実施の形態では、負荷側熱交換器2としてプレート式熱交換器を例に挙げたが、負荷側熱交換器2は、冷媒と熱媒体との熱交換を行うものであれば、二重管式熱交換器など、プレート式熱交換器以外のものであってもよい。
Claims (6)
- 圧縮機、冷媒流路切替装置、熱源側熱交換器、膨張装置、負荷側熱交換器及び容器を有し、冷媒を循環させる冷媒回路と、
前記負荷側熱交換器を経由して熱媒体を流通させる熱媒体回路と、を備え、
前記冷媒流路切替装置は、第1状態と第2状態とに切り替えられるように構成されており、
前記冷媒流路切替装置が前記第1状態に切り替えられた場合、前記冷媒回路は、前記負荷側熱交換器が凝縮器として機能する第1運転を実行可能であり、
前記冷媒流路切替装置が前記第2状態に切り替えられた場合、前記冷媒回路は、前記負荷側熱交換器が蒸発器として機能する第2運転を実行可能であり、
前記容器は、前記冷媒流路切替装置と前記圧縮機との間の吸入配管に設けられており、
前記熱媒体回路は、前記負荷側熱交換器を経由する主回路を有しており、
前記主回路は、
前記主回路の下流端に設けられ、前記主回路から分岐する複数の枝回路が接続される分岐部と、
前記主回路の上流端に設けられ、前記主回路に合流する前記複数の枝回路が接続される合流部と、を有しており、
前記熱媒体回路には、圧力保護装置と、冷媒漏洩検知装置と、が接続されており、
前記圧力保護装置は、前記主回路のうち、前記負荷側熱交換器と前記分岐部若しくは前記合流部の一方との間、又は前記負荷側熱交換器、に位置する接続部に接続されており、
前記冷媒漏洩検知装置は、前記主回路のうち、前記分岐部若しくは前記合流部の他方、前記他方と前記接続部との間、又は前記接続部に接続されており、
前記圧力保護装置が接続されている前記接続部が、前記主回路のうち、前記負荷側熱交換器と前記分岐部との間に位置し、前記冷媒漏洩検知装置は、前記主回路のうち、前記負荷側熱交換器と前記分岐部との間に接続されて、前記主回路の前記熱媒体の流れる方向において、前記圧力保護装置より上流側に設けられ、
前記熱媒体回路への前記冷媒の漏洩が検知されたとき、前記冷媒流路切替装置が前記第2状態となり、前記膨張装置が閉状態となり、前記圧縮機が運転し、
前記熱媒体回路への前記冷媒の漏洩が検知された後に前記圧縮機の運転終了条件を満たしたとき、前記圧縮機が停止し、前記冷媒流路切替装置が前記第1状態となるヒートポンプ利用機器。 - 前記冷媒回路は、遮断装置をさらに有しており、
前記遮断装置は、前記冷媒回路のうち、前記冷媒流路切替装置と前記圧縮機との間の吸入配管、前記冷媒流路切替装置と前記圧縮機との間の吐出配管、前記負荷側熱交換器と前記冷媒流路切替装置との間、前記冷媒流路切替装置と前記熱源側熱交換器との間、又は前記圧縮機に設けられている請求項1に記載のヒートポンプ利用機器。 - 前記熱媒体回路への前記冷媒の漏洩が検知された後に前記運転終了条件を満たしたとき、前記遮断装置が閉状態となる請求項2に記載のヒートポンプ利用機器。
- 前記運転終了条件は、前記圧縮機の連続運転時間又は積算運転時間が閾値時間に達したことである請求項1〜3のいずれか一項に記載のヒートポンプ利用機器。
- 前記運転終了条件は、前記熱媒体回路の圧力が第1閾値圧力を下回ったこと、又は前記熱媒体回路の圧力が低下傾向となったことである請求項1〜3のいずれか一項に記載のヒートポンプ利用機器。
- 停止した前記圧縮機は、前記熱媒体回路の圧力が第2閾値圧力を上回ったとき、又は前記熱媒体回路の圧力が上昇傾向となったとき、再度運転する請求項1〜5のいずれか一項に記載のヒートポンプ利用機器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/023379 WO2019003268A1 (ja) | 2017-06-26 | 2017-06-26 | ヒートポンプ利用機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019003268A1 JPWO2019003268A1 (ja) | 2020-01-16 |
JP6887496B2 true JP6887496B2 (ja) | 2021-06-16 |
Family
ID=64742816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019526403A Active JP6887496B2 (ja) | 2017-06-26 | 2017-06-26 | ヒートポンプ利用機器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11162725B2 (ja) |
EP (1) | EP3647687B1 (ja) |
JP (1) | JP6887496B2 (ja) |
CN (1) | CN110770518B (ja) |
WO (1) | WO2019003268A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019003268A1 (ja) * | 2017-06-26 | 2019-01-03 | 三菱電機株式会社 | ヒートポンプ利用機器 |
AU2018310045B2 (en) * | 2017-08-03 | 2021-04-29 | Daikin Industries, Ltd. | Refrigeration Apparatus |
EP3674116B1 (en) * | 2018-12-28 | 2024-10-02 | Thermo King LLC | Methods and systems for supplemental flow control of working fluid through a climate control circuit |
US11231198B2 (en) | 2019-09-05 | 2022-01-25 | Trane International Inc. | Systems and methods for refrigerant leak detection in a climate control system |
JP7394338B2 (ja) * | 2019-09-27 | 2023-12-08 | パナソニックIpマネジメント株式会社 | 水熱交換システム |
DE102020112376A1 (de) * | 2020-05-07 | 2021-11-11 | Wolf Gmbh | Wärmepumpen-Anlage |
US11662127B2 (en) * | 2020-09-04 | 2023-05-30 | Intellihot, Inc. | Electric heating and cooling system |
CN112486227A (zh) * | 2020-10-28 | 2021-03-12 | 中广核(乌兰察布)风力发电有限公司 | 一种用于冷却水系统压力自动控制的控制系统及方法 |
CN112594871B (zh) * | 2020-12-31 | 2022-02-08 | 广东积微科技有限公司 | 一种具有双四通阀多功能多联机系统的化霜控制方法 |
JP2023041134A (ja) * | 2021-09-13 | 2023-03-24 | パナソニックIpマネジメント株式会社 | 熱媒体循環システム |
WO2023139415A1 (en) * | 2022-01-24 | 2023-07-27 | Caleffi S.P.A. | Safety apparatus for managing gas in conditioning plants |
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JP2001208392A (ja) * | 2000-01-31 | 2001-08-03 | Matsushita Electric Ind Co Ltd | ヒートポンプ装置 |
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JPWO2011099063A1 (ja) | 2010-02-10 | 2013-06-13 | 三菱電機株式会社 | 空気調和装置 |
CN103797317B (zh) | 2011-09-13 | 2016-08-17 | 三菱电机株式会社 | 热泵装置和热泵装置的控制方法 |
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JP5939828B2 (ja) | 2012-02-15 | 2016-06-22 | 三菱電機株式会社 | ヒートポンプサイクル装置 |
JP5780977B2 (ja) * | 2012-02-15 | 2015-09-16 | 三菱電機株式会社 | ヒートポンプサイクル装置 |
JP5413480B2 (ja) * | 2012-04-09 | 2014-02-12 | ダイキン工業株式会社 | 空気調和装置 |
JP6361263B2 (ja) | 2014-04-23 | 2018-07-25 | ダイキン工業株式会社 | 空気調和装置 |
JP6146516B2 (ja) | 2015-07-14 | 2017-06-14 | ダイキン工業株式会社 | 空気調和機 |
EP3467406B1 (en) | 2016-05-24 | 2020-09-09 | Mitsubishi Electric Corporation | Air conditioner |
WO2019003268A1 (ja) * | 2017-06-26 | 2019-01-03 | 三菱電機株式会社 | ヒートポンプ利用機器 |
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2017
- 2017-06-26 WO PCT/JP2017/023379 patent/WO2019003268A1/ja unknown
- 2017-06-26 JP JP2019526403A patent/JP6887496B2/ja active Active
- 2017-06-26 EP EP17915301.0A patent/EP3647687B1/en active Active
- 2017-06-26 CN CN201780091312.XA patent/CN110770518B/zh active Active
- 2017-06-26 US US16/499,528 patent/US11162725B2/en active Active
Also Published As
Publication number | Publication date |
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EP3647687A4 (en) | 2020-07-22 |
US11162725B2 (en) | 2021-11-02 |
EP3647687B1 (en) | 2022-07-20 |
WO2019003268A1 (ja) | 2019-01-03 |
US20200363110A1 (en) | 2020-11-19 |
CN110770518B (zh) | 2021-11-02 |
JPWO2019003268A1 (ja) | 2020-01-16 |
EP3647687A1 (en) | 2020-05-06 |
CN110770518A (zh) | 2020-02-07 |
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