WO2020087020A1 - Système d'énergie renouvelable auxiliaire - Google Patents
Système d'énergie renouvelable auxiliaire Download PDFInfo
- Publication number
- WO2020087020A1 WO2020087020A1 PCT/US2019/058181 US2019058181W WO2020087020A1 WO 2020087020 A1 WO2020087020 A1 WO 2020087020A1 US 2019058181 W US2019058181 W US 2019058181W WO 2020087020 A1 WO2020087020 A1 WO 2020087020A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- supplemental
- battery storage
- rechargeable battery
- charge controller
- photovoltaic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present disclosure generally relates to solar energy devices. More particularly, the present technology relates to a photovoltaic charging system comprising a supplemental charging system removably coupled with a primary charging system.
- Solar cells have long been used to power many kinds of electronic devices. Their use is ubiquitous and can be found in everyday devices such as calculators, RVs, wearables, backpacks, and homes, as well as in more extraordinary devices like space exploration. Furthermore, in the face of climate change, shifting from fossil fuel reliance towards renewable energy proliferation becomes increasingly important. Solar energy is one such viable renewable resource, but is presently met with some limitations.
- the ability of a solar panel to generate power is dependent on the availability of a light source. In situations where the solar panel is obstructed from the sun's rays, power generation may be interrupted. Generating electricity from photovoltaic cells can thus be negatively impacted by unpredictable cloudy weather. Night time and other low-light situations can further stifle the energy produced by solar panels.
- a photovoltaic system comprising a supplemental charging system detachably coupled with a primary charging system.
- the supplemental charging system comprises a supplemental photovoltaic panel, a charge controller configured to receive a voltage input from the supplemental photovoltaic panel, a battery storage configured to receive a voltage input from the charge controller, a power inverter configured to receive a direct current from the battery storage and transmit an alternating current to a supplemental light-emitting source, wherein the supplemental light-emitting source is configured to selectably produce light to be received by the supplemental photovoltaic panel.
- the primary charging system comprises a means for converting renewable energy into electricity and an operational load.
- the primary charging system is mated with the supplementary system by at least one electrical pathway that joins the charge controller of the supplemental charging system to the primary photovoltaic panel of the primary charging system.
- FIG. 1 is a schematic diagram of an embodiment of a supplemental charging system coupled with a primary charging system.
- FIG. 2 is a schematic diagram of an alternate embodiment of a supplemental charging system coupled with a primary charging system.
- FIG. 3 is a schematic diagram of a further embodiment of a supplemental charging system coupled with a primary charging system.
- FIG. 4 is a schematic diagram of another embodiment of a supplemental charging system coupled with a primary charging system.
- FIG. 5 is a schematic diagram of a further embodiment of a supplemental charging system coupled with a primary charging system.
- Supplemental charging system 100 includes a supplemental light source 110, and a supplemental photovoltaic panel 120 configured to receive light emission from at least the supplemental light source 110.
- Primary charging system 200 includes a charge controller/load balancer (hereafter referred to as "charge controller”) 130 configured to receive a voltage input from the supplemental photovoltaic panel 120, a battery storage 140 configured to receive a voltage input from the charge controller 130, and a power inverter 150 configured to receive a direct current (hereafter referred to as "DC”) from the battery storage 140.
- charge controller/load balancer hereafter referred to as "charge controller”
- DC direct current
- the supplemental light source 110 is configured to receive alternating current (hereafter referred to as "AC") power from the power inverter 150. It is noted that the supplemental light source 110 may additionally comprise internal components that can alter the voltage or current as needed.
- a primary light source 300 may comprise direct sunlight, indirect sunlight, other forms of natural lighting, and artificial or man-made lighting.
- a primary charging system 200 further includes at least a primary solar panel 220 configured to receive light emission from the primary light source 300, and a load 260 configured to receive AC power from the power inverter 150. The primary solar panel 220 is adapted to convert light energy into electrical energy, which is then received by the charge controller 130.
- FIG. 2 depicts another embodiment of a supplemental charging system 101 detachably coupled with a primary charging system 201, wherein each of the supplemental charging system 101 and primary charging system 201 includes a power inverter in their respective systems.
- Supplemental charging system 101 includes a supplemental power inverter 152 configured to receive DC power from battery storage 140.
- the supplemental power inverter 152 is further configured to deliver AC power to supplemental light source 110.
- Primary charging system 201 includes a primary power inverter 252 configured to receive DC power from the battery storage 140.
- the primary power inverter 252 is further configured to provide AC power to the load 260.
- FIG. 3 illustrates a further embodiment of a supplemental charging system 102 electrically mated with a primary charging system 202, wherein each of the supplemental charging system 102 and primary charging system 202 includes a battery storage in their respective systems.
- Primary charging system 202 includes a charge controller 130, a primary battery storage 242 configured to receive an input voltage from the charge controller 130 and deliver an output voltage to the primary power inverter 252.
- Supplemental charging system 102 includes a supplemental battery storage 142 configured to receive an input voltage from the charge controller 130 and deliver an output voltage to the supplemental power inverter 152.
- FIG. 4 shows another embodiment of a supplemental charging system 103 in connective operation with a primary charging system 203, wherein each of the supplemental charging system 103 and the primary charging system 203 includes a charge controller in their respective systems.
- supplemental charging system 103 includes a supplemental charge controller 132
- primary charging system 203 includes a primary charge controller 232.
- the supplemental charge controller 132 is in electrical communication with the primary charge controller 232 in this embodiment. It is further contemplated that additional charge controllers or other control modules may be installed between the primary charge controller 232 and the supplemental charge controller 132.
- the supplemental photovoltaic panel 120 is adapted to generate DC power to be received by the supplemental charge controller 132.
- the supplemental charge controller 132 may selectably direct power to the supplemental battery storage 142 and to the primary charge controller 232.
- the primary charge controller 232 is adapted to receive power generated from the primary photovoltaic panel 220 and to selectably direct power to the primary battery storage 242 and to the supplemental charge controller 132.
- the supplemental charge controller 132 and the primary charge controller 232 are operatively connected to each other to allow for parallel charging. Directly connected in this manner, the charge controllers 132, 232 provide a useful redundancy by maintaining electrical communication between the supplementary charging system 103 and the primary charging system 203 should one of the charge controllers 132, 232 fail.
- FIG. 5 illustrates another embodiment of a supplemental charging system 104 that is detachably connected with a primary charging system 204 via an electrical connection between supplemental charge controller 132 and the primary battery storage 242.
- the primary battery storage 242 is configured to receive a plurality of input voltages, wherein at least one input voltage of said plurality of input voltages is delivered from the supplemental charge controller 132, and wherein at least one input voltage of said plurality of input voltages is delivered from the primary charge controller 232.
- supplemental photovoltaic panel 120 may be configured to receive, in lieu of or in addition to the light emission from supplemental light source 110, light from other sources as well, such as from the primary light source 300.
- the primary battery storage 242 may be configured to have a substantially greater charge storage capacity than the supplemental battery storage 142.
- the charge controller 130 or supplemental charge controller 132 may activate the
- the supplemental charging system 100, 101, 102, 103, 104 essentially operates in two states: one in which supplemental light source 110 is switched on, and the other in which the supplemental light source 110 is switched off.
- the charge controller 130 or supplemental charge controller 132 may switch off the supplemental light source 110 so that it ceases to emit light. With the supplemental light source 110 thus disabled, the charge controller 130 or supplemental charge controller 132 would cease to direct power to the supplemental battery storage 142.
- the charge controller 130 switches off the supplemental light source 110, such that the load 260 may continue to draw power from the battery storage 140 through the power inverter 150 or the primary power inverter 252.
- the charge controller 130, supplemental charge controller 132, or primary charge controller 232 is configured to continue to send power to the primary battery storage 242.
- the supplementary charging system 100, 101, 102, 103, 104 and the primary charging system 200, 201, 202, 203, 204 may be concurrently active whereby electricity continues to be routed through their respective systems.
- the light source 110 may be switched on if the current delivered from the primary charging system 202, 203, 204 to the charge controller 130 or supplemental charge controller 132 falls below a predetermined current, or if the charge stored by the primary battery storage 242 falls below a predetermined charge.
- the battery storage 140 or the supplemental battery storage 142 may transmit 3,000Ah to the supplemental light source 110.
- the supplemental battery storage 142 has priority charging such that the charge controller 130, supplemental charge controller 132, or primary charge controller 232 prioritizes charging the supplemental battery storage 142 until the charge stored in the supplemental battery storage 142 reaches a predetermined minimum threshold before transmitting power from the charge controller 130, supplemental charge controller 132, or primary charge controller 232 to the second battery storage 242.
- a primary charging system in an alternative embodiment can obtain power from other types of renewable energy sources, such as wind energy, hydropower, biomass, or perhaps a combination of such renewable sources.
- the supplementary charging system 100, 101, 102, 103, 104 may be compatible with a primary charging system 200, 201, 202, 203, 204 comprising any type of renewable energy system.
- the primary charging system 200, 201, 202, 203, 204 may be housed in a building such that the primary photovoltaic panel 220 is mounted on the roof of the building or affixed to the ground, and the electrically-connected battery storage 140 or primary battery storage 242 is stored within the building, for example inside a dedicated room.
- supplementary charging system 100, 101, 102, 103, 104 may be placed in close proximity to the primary charging system 200, 201, 202, 203, 204, such as in a shed or a separate building.
- the supplementary charging system 100, 101, 102, 103, 204 may be disposed within the same building housing the primary solar charging system 200, 201, 202, 203, 204, such as in a compact enclosure. In such an enclosure, the supplemental light source 110 may be closely stacked next to the supplementary photovoltaic panel 120 to save space.
- the battery storages 140, 142, 242 may be composed of any combination of rechargeable batteries such as NiMH batteries, Li-Ion batteries or lead acid batteries.
- Examples of the charge controllers 130, 132, 232 described herein include Pulse Width Modulation (PWM) devices, Maximum Power Point Tracking (MPPT) devices, and could even be a constituent part of a smart module, which is a type of solar panel with an embedded power optimizer.
- PWM Pulse Width Modulation
- MPPT Maximum Power Point Tracking
- the battery storage 140, 142, 242 is composed of Li-Ion batteries
- the battery storage 140, 142, 242 may be configured to continuously stay above a predetermined charge, for example at 30% of the battery capacity.
- the primary photovoltaic panel 220 and the supplemental photovoltaic panel 220 are identical to each other.
- photovoltaic panel 120 may each comprise any combination of amorphous cells
- DSSC dye- sensitized solar cells
- the supplemental light source 110 may comprise any combination of light-emitting devices, including halogen lamps, incandescent light bulbs, metal-halide lamps, light-emitting diodes (hereafter referred to as "LEDs"), and other semiconductor light sources.
- a supplemental light source 110 comprising an array of LEDs may include any type of LEDs, such as high output LEDs, application specific LEDs, full spectrum LEDs, bi-color LEDs and tri-color LEDs. Any combination of such LEDs may be selected for optimal output and low energy consumption based on the needs of the system. It is noted that such an array of LEDs may be mounted in a number of different ways, and not limited to a matrix orientation or on a rigid PCB. For example, it may be desirable for the array of LEDs be mounted on a flexible strip so as to more efficiently communicate with a curved solar panel.
- the supplemental light source 110 may comprise Chip-On-Board (hereafter referred to as "COB”) LEDs.
- COB LEDs can occupy less space while generating substantially more light per square inch than, for example, standard LEDs arranged in a similar area.
- a COB panel of LEDs may emit approximately 7,000 lumens and draw 5W of power.
- an exemplary embodiment may include a light source comprising three such COB panels, together emitting
- devices such as a parabolic reflector or a Fresnel lens may be installed between the supplemental light source 110 and the supplemental photovoltaic panel 120 to enhance the reception of light in the supplemental charging system 100, 101, 102, 103, 104, respectively.
- the supplementary charging system 100, 101, 102, 103, 104 may be configured to be remotely accessible and controllable, such as by a mobile device, via the charge controller 130, 132, 232.
- a photovoltaic system comprising: a charge controller configured to receive a plurality of electrical inputs and to deliver a plurality of electrical outputs,
- the charge controller is further configured to deliver at least one electrical output of said plurality of electrical outputs to the renewable energy system; a rechargeable battery storage operatively connected with the charge controller, wherein the rechargeable battery storage is configured to receive at least one electrical output of said plurality of electrical outputs from the charge controller, wherein the rechargeable battery storage is configured to store a charge, wherein the rechargeable battery storage is associated with a predetermined maximum threshold and a predetermined minimum threshold; a light-emitting device configured to be powered by the rechargeable battery storage;
- a photovoltaic module operatively connected with the charge controller and configured to generate electricity and deliver at least one electrical input of said plurality of electrical inputs to the charge controller
- the photovoltaic module is mounted adjacently to the light-emitting device such that the light-emitting device is configured to transmit light to the photovoltaic module when the charge stored by the rechargeable battery storage is less than the predetermined maximum threshold.
- the photovoltaic system of Concept 1 further comprising a supplemental power inverter configured to receive a direct current from the rechargeable battery storage, and to deliver an alternating current to the light-emitting device.
- the photovoltaic system of Concept 3 wherein the primary rechargeable battery storage is configured to receive at least one electrical output of said plurality of electrical outputs from the charge controller when the charge stored by the supplemental rechargeable battery storage has met or exceeded the predetermined minimum threshold.
- Concept 5 The photovoltaic system of Concept 3 or 4 wherein the renewable energy system further comprises a primary power inverter configured to receive a direct current from the primary rechargeable battery storage and to produce an alternating current.
- a photovoltaic energy management system comprising: a charge controller configured to receive a plurality of voltage inputs and to deliver a plurality of voltage outputs,
- At least one voltage input of said plurality of voltage inputs is produced from a renewable energy source, and a supplemental rechargeable battery storage configured to receive at least one voltage output of said plurality of voltage outputs from the charge controller,
- the supplemental rechargeable battery storage is configured to store a charge; a photovoltaic module configured to provide at least one voltage input of said plurality of voltage inputs to the charge controller; a primary rechargeable battery storage configured to receive at least one voltage output of said plurality of voltage outputs from the charge controller; and a light source unit configured to be powered by at least the supplemental rechargeable battery storage, said light source unit further configured to selectably provide light emission to be received by the photovoltaic module.
- the photovoltaic energy management system of Concept 8 further comprising a power inverter configured to receive a direct current from the supplemental rechargeable battery storage, said power inverter further configured to deliver an alternating current to the light source unit.
- a supplemental charging system for receiving a primary electrical input from a primary charging system and for delivering an electrical output to the primary charging system, said supplemental charging system comprising: a charge controller configured to receive a primary electrical input from the primary charging system, said charge controller further configured to deliver a plurality of electrical outputs, wherein at least one electrical output of said plurality of electrical outputs from said charge controller is delivered to the primary charging system; a battery storage configured to receive at least one electrical output of said plurality of electrical outputs from said charge controller, said battery storage configured to store a charge; a light source configured to be powered by the battery storage, said light source configured to selectably emit light; and a photovoltaic module adapted to receive light emitted from the light source, said photovoltaic module further adapted to provide a secondary electrical input to the charge controller.
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
L'invention concerne de manière générale un système photovoltaïque comprenant un système de charge auxiliaire couplé de manière amovible à un système de charge principal. Le système de charge auxiliaire comprend un panneau photovoltaïque auxiliaire, un contrôleur de charge conçu pour recevoir une entrée de tension en provenance du panneau photovoltaïque auxiliaire, un dispositif de stockage de batterie conçu pour recevoir une entrée de tension en provenance du contrôleur de charge, un onduleur de puissance conçu pour recevoir un courant continu en provenance du dispositif de stockage de batterie et transmettre un courant alternatif à une source d'émission de lumière auxiliaire, la source d'émission de lumière auxiliaire étant conçue pour produire de façon sélective une lumière devant être reçue par le panneau photovoltaïque auxiliaire. Le système de charge principal comprend un moyen de conversion d'énergie renouvelable en électricité et en une charge opérationnelle. Le système de charge principal est apparié au système auxiliaire par au moins un trajet électrique qui relie le contrôleur de charge du système de charge auxiliaire au panneau photovoltaïque principal du système de charge principal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862751112P | 2018-10-26 | 2018-10-26 | |
| US62/751,112 | 2018-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020087020A1 true WO2020087020A1 (fr) | 2020-04-30 |
Family
ID=70331778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2019/058181 Ceased WO2020087020A1 (fr) | 2018-10-26 | 2019-10-25 | Système d'énergie renouvelable auxiliaire |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2020087020A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112785160A (zh) * | 2021-01-25 | 2021-05-11 | 杭州易达光电有限公司 | 一种光伏运维管理信息展示平台 |
| WO2025077887A1 (fr) * | 2023-10-13 | 2025-04-17 | 中山市艾米睿科技有限公司 | Appareil de conversion d'énergie permettant une compensation de lumière automatique et un recyclage de lumière, et son procédé de commande |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2287122A (en) * | 1994-02-09 | 1995-09-06 | Baird Engineering Ltd | Secondary or artificial illumination of solar panels |
| US5684385A (en) * | 1995-03-24 | 1997-11-04 | France Telecom | Customized storage, high voltage, photovoltaic power station |
| US20020000788A1 (en) * | 1997-09-30 | 2002-01-03 | Kim Ostergaard | Method and apparatus for charging a rechargeable battery |
| US20070062572A1 (en) * | 2005-09-19 | 2007-03-22 | Judd Lee S | Photovoltaic system |
| US20100066382A1 (en) * | 2005-12-30 | 2010-03-18 | Solartec Ag | Test device and test method for a pv concentrator module |
| US20100096000A1 (en) * | 2008-10-16 | 2010-04-22 | Andrade David R | Artificial light power generation system |
| US20100206355A1 (en) * | 2009-02-13 | 2010-08-19 | Infusion Solar Technologies | Self generating photovoltaic power unit |
| US20110284053A1 (en) * | 2010-05-22 | 2011-11-24 | Richard Allen Brewer | Rainyday volts 24/7 |
| US20180205231A1 (en) * | 2015-07-14 | 2018-07-19 | Digilog Technologies Pty Ltd | Hybrid solar power supply control system |
| US20180308601A1 (en) * | 2017-04-21 | 2018-10-25 | Nimbus Engineering Inc. | Systems and methods for energy storage |
-
2019
- 2019-10-25 WO PCT/US2019/058181 patent/WO2020087020A1/fr not_active Ceased
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2287122A (en) * | 1994-02-09 | 1995-09-06 | Baird Engineering Ltd | Secondary or artificial illumination of solar panels |
| US5684385A (en) * | 1995-03-24 | 1997-11-04 | France Telecom | Customized storage, high voltage, photovoltaic power station |
| US20020000788A1 (en) * | 1997-09-30 | 2002-01-03 | Kim Ostergaard | Method and apparatus for charging a rechargeable battery |
| US20070062572A1 (en) * | 2005-09-19 | 2007-03-22 | Judd Lee S | Photovoltaic system |
| US20100066382A1 (en) * | 2005-12-30 | 2010-03-18 | Solartec Ag | Test device and test method for a pv concentrator module |
| US20100096000A1 (en) * | 2008-10-16 | 2010-04-22 | Andrade David R | Artificial light power generation system |
| US20100206355A1 (en) * | 2009-02-13 | 2010-08-19 | Infusion Solar Technologies | Self generating photovoltaic power unit |
| US20110284053A1 (en) * | 2010-05-22 | 2011-11-24 | Richard Allen Brewer | Rainyday volts 24/7 |
| US20180205231A1 (en) * | 2015-07-14 | 2018-07-19 | Digilog Technologies Pty Ltd | Hybrid solar power supply control system |
| US20180308601A1 (en) * | 2017-04-21 | 2018-10-25 | Nimbus Engineering Inc. | Systems and methods for energy storage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112785160A (zh) * | 2021-01-25 | 2021-05-11 | 杭州易达光电有限公司 | 一种光伏运维管理信息展示平台 |
| WO2025077887A1 (fr) * | 2023-10-13 | 2025-04-17 | 中山市艾米睿科技有限公司 | Appareil de conversion d'énergie permettant une compensation de lumière automatique et un recyclage de lumière, et son procédé de commande |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11817699B2 (en) | Power converter for a solar panel | |
| US8358099B2 (en) | Modular electric power system with a renewable energy power generating apparatus | |
| US20080036440A1 (en) | Systems and Methods for Providing Maximum Photovoltaic Peak Power Tracking | |
| CN101572510B (zh) | 太阳能供电装置及包括该供电装置的照明系统 | |
| AU2009329553B2 (en) | A photovoltaic system | |
| EP3666043B1 (fr) | Système d'éclairage à del et procédé associé | |
| US20140009104A1 (en) | AC Solar Panel System | |
| US7972025B2 (en) | Light emitting diode device | |
| WO2020087020A1 (fr) | Système d'énergie renouvelable auxiliaire | |
| US20110084646A1 (en) | Off-grid led street lighting system with multiple panel-storage matching | |
| Femia et al. | Photovoltaic-fed LED lighting system with SOC-based dimmable LED load | |
| Barad et al. | Solar panel based multi-mobile charger with LED illumination | |
| JP2015522235A (ja) | Ac太陽電池パネルシステム | |
| TW201905377A (zh) | 複合型綠能路燈裝置 | |
| US20080185988A1 (en) | Solar garden light device | |
| JP5858356B2 (ja) | 太陽光蓄発電システム | |
| CN102983617B (zh) | 具有适应性电能控制的太阳光伏发电系统及其操作方法 | |
| Oke et al. | Design and construction of solar power-based lighting system | |
| CN202182407U (zh) | 太阳能驱动oled与led照明系统 | |
| Duarte et al. | Single-stage standalone lighting system based on GaN transistors | |
| CN208955946U (zh) | 光伏电线杆 | |
| KR200429419Y1 (ko) | 태양전지 발광시스템 | |
| KR102555198B1 (ko) | 슈퍼커패시터를 이용한 전압제어식 태양광 및 풍력 가로등 장치 | |
| CN215733624U (zh) | 一种太阳能电池供电照明的气膜建筑 | |
| JP2010135099A (ja) | 照明装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19875593 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 19875593 Country of ref document: EP Kind code of ref document: A1 |