CN112123320A - High-efficiency electric heavy truck battery replacement station - Google Patents
High-efficiency electric heavy truck battery replacement station Download PDFInfo
- Publication number
- CN112123320A CN112123320A CN202011132790.0A CN202011132790A CN112123320A CN 112123320 A CN112123320 A CN 112123320A CN 202011132790 A CN202011132790 A CN 202011132790A CN 112123320 A CN112123320 A CN 112123320A
- Authority
- CN
- China
- Prior art keywords
- manipulator
- battery
- battery pack
- truck
- storage box
- 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.)
- Withdrawn
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000013519 translation Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/02—Manipulators mounted on wheels or on carriages travelling along a guideway
-
- 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
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Robotics (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a high-efficiency electric heavy truck battery replacing station which comprises a battery replacing manipulator assembly and a battery pack storage box, wherein the battery pack storage box is arranged close to the battery replacing manipulator assembly and used for storing a battery replacing battery pack; a battery replacement control bin for controlling the whole battery replacement process is also arranged at one side of the battery pack storage box; at least one layer of battery pack placing frame for placing battery packs in parallel is erected in the battery pack storage box; trade electric manipulator subassembly including trading electric manipulator mechanism, being used for bearing trade electric manipulator mechanism's rotary mechanism and being used for setting up rotary mechanism's translation track, trade electric manipulator mechanism include the manipulator slide rail and set up in on the manipulator slide rail, can the manipulator of translation on the manipulator slide rail, the practical application in-process, through the setting of trading electric manipulator and battery package storage box, the demand that the quick electricity of trading of electronic heavily blocking that satisfies that can be fine, and each functional unit's structural design is reasonable, and the application effect is outstanding.
Description
[ technical field ]
The invention relates to the technical field of electric truck battery replacing equipment, in particular to a high-efficiency electric heavy truck battery replacing station which is reasonable in structural design and outstanding in application effect.
[ background art ]
In recent years, with the gradual popularization and rapid development of electric automobiles, the trend of motorization of automobiles becomes more obvious, and the technology is also improved to a great extent.
At present, electric cars are mainstream consumers, small cars such as taxi cars and private cars are widely electrified, and in order to better realize the electromotion of the cars, new electric energy needs to be developed to heavy trucks and large transportation equipment.
Based on this, improvement and improvement in the aspects of the specific structure, the battery replacement mode and the like of the heavy truck are required, and a large amount of research and development and experiments are also performed by those skilled in the art, so that a better result is achieved.
[ summary of the invention ]
In order to overcome the problems in the prior art, the invention provides the high-efficiency electric heavy truck power exchanging station which is reasonable in structural design and outstanding in application effect.
The scheme for solving the technical problem is to provide a high-efficiency electric heavy truck battery replacing station which comprises a battery replacing mechanical arm assembly and a battery pack storage box, wherein the battery pack storage box is arranged close to the battery replacing mechanical arm assembly and used for storing a battery replacing battery pack; a battery replacement control bin for controlling the whole battery replacement process is further arranged at one side of the battery pack storage box; at least one layer of battery pack placing frame for placing battery packs in parallel is erected in the battery pack storage box; the battery replacement manipulator assembly comprises a battery replacement manipulator mechanism, a rotating mechanism for bearing the battery replacement manipulator mechanism and a translation track for arranging the rotating mechanism, wherein the battery replacement manipulator mechanism comprises a manipulator slide rail and a manipulator which is arranged on the manipulator slide rail and can translate on the manipulator slide rail; and a hook unit which is used for being matched and connected with an external battery pack is also arranged on the outer side of the manipulator.
Preferably, a truck carrying platform for carrying an electric heavy truck is further arranged on the other side, opposite to the battery pack storage rack, of the battery changing manipulator assembly; a limiting mechanism used for ensuring safety and limiting the parking position of the truck is arranged at the front end part of the truck carrying platform; the limiting mechanism comprises a limiting plate corresponding to the position of a front wheel of the truck and a driving cylinder used for driving the limiting plate to rotate around a shaft and limiting the position of the front wheel of the truck.
Preferably, the battery replacing manipulator assembly and the truck bearing platform specifically comprise a first truck bearing platform, a first battery replacing manipulator assembly, a second truck bearing platform and a second battery replacing manipulator assembly which are sequentially arranged side by side.
Preferably, the battery replacement manipulator assembly and the truck bearing platform specifically comprise a first battery replacement manipulator assembly, a first truck bearing platform and a second manipulator assembly which are sequentially arranged side by side.
Preferably, a manipulator driving motor is arranged in the manipulator slide rail; the manipulator is connected with the manipulator slide rail in a matching way through two side parts, and the manipulator slide rail is driven by the manipulator driving motor to translate; and a bearing flat plate for stably transferring the external battery pack is further arranged on the outer side of the manipulator and the lower part of the hook unit in an extending manner.
Preferably, a control cabin door and a plurality of heat dissipation windows for improving heat dissipation performance are arranged at one side part of the battery replacement control cabin.
Preferably, an infrared sensor for sensing the position of the external battery pack is further arranged on the outer side of the manipulator.
Preferably, a charging connector corresponding to each battery replacement pack storage space in a matched manner is arranged in the battery pack storage frame.
Preferably, the translation track corresponds to the battery pack placing frame in length and is arranged in parallel with each other.
Preferably, the battery replacement manipulator assembly and the outer side of the truck bearing platform are provided with a protection shed.
Compared with the prior art, the high-efficiency electric heavy truck battery replacing station is provided with the battery replacing manipulator assembly 13 and the battery pack storage box 11 which is arranged close to the battery replacing manipulator assembly 13 and used for storing the battery replacing pack 112; a battery replacement control bin 12 for controlling the whole battery replacement process is further arranged at one side of the battery pack storage box 11; at least one layer of battery pack placing frame 111 for placing battery packs 112 in parallel is erected in the battery pack storage box 11; the battery replacement manipulator assembly 13 comprises a battery replacement manipulator mechanism, a rotating mechanism for bearing the battery replacement manipulator mechanism and a translation track for arranging the rotating mechanism, wherein the battery replacement manipulator mechanism comprises a manipulator slide rail and a manipulator which is arranged on the manipulator slide rail and can translate on the manipulator slide rail; the manipulator outside still is provided with the couple unit that is used for with outside battery package accordant connection, and among the practical application process, through the setting of trading electric manipulator and battery package storage box 11, the demand that the quick electricity of trading of the electronic heavy truck of satisfying that can be fine, and each functional unit's structural design is reasonable, and the application effect is outstanding.
[ description of the drawings ]
Fig. 1 and fig. 2 are schematic diagrams of a three-dimensional structure of a high-efficiency electric heavy truck power conversion station according to the present invention.
[ detailed description of the invention ]
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a high-efficiency electric heavy truck battery replacement station 1 according to the present invention includes a battery replacement manipulator assembly 13 and a battery pack storage box 11 disposed near the battery replacement manipulator assembly 13 and used for storing a battery replacement pack 112; a battery replacement control bin 12 for controlling the whole battery replacement process is further arranged at one side of the battery pack storage box 11; at least one layer of battery pack placing frame 111 for placing battery packs 112 in parallel is erected in the battery pack storage box 11; the battery replacement manipulator assembly 13 comprises a battery replacement manipulator mechanism, a rotating mechanism for bearing the battery replacement manipulator mechanism and a translation track for arranging the rotating mechanism, wherein the battery replacement manipulator mechanism comprises a manipulator slide rail and a manipulator which is arranged on the manipulator slide rail and can translate on the manipulator slide rail; and a hook unit which is used for being matched and connected with an external battery pack is also arranged on the outer side of the manipulator.
The battery pack storage box is provided with the battery replacing mechanical arm assembly 13 and the battery pack storage box 11 which is arranged close to the battery replacing mechanical arm assembly 13 and used for storing the battery replacing battery pack 112; a battery replacement control bin 12 for controlling the whole battery replacement process is further arranged at one side of the battery pack storage box 11; at least one layer of battery pack placing frame 111 for placing battery packs 112 in parallel is erected in the battery pack storage box 11; the battery replacement manipulator assembly 13 comprises a battery replacement manipulator mechanism, a rotating mechanism for bearing the battery replacement manipulator mechanism and a translation track for arranging the rotating mechanism, wherein the battery replacement manipulator mechanism comprises a manipulator slide rail and a manipulator which is arranged on the manipulator slide rail and can translate on the manipulator slide rail; the manipulator outside still is provided with the couple unit that is used for with outside battery package accordant connection, and among the practical application process, through the setting of trading electric manipulator and battery package storage box 11, the demand that the quick electricity of trading of the electronic heavy truck of satisfying that can be fine, and each functional unit's structural design is reasonable, and the application effect is outstanding.
The present application does not involve the modification of software and circuit parts, and the functional components are conventional in the art and well known to those skilled in the art.
Preferably, the other side of the battery pack storage rack 111 opposite to the battery pack replacing manipulator assembly 13 is further provided with a truck carrying platform 14 for carrying an electric heavy truck; a limiting mechanism for ensuring safety and limiting the parking position of the truck is arranged at the front end part of the truck carrying platform 14; the limiting mechanism comprises a limiting plate corresponding to the position of a front wheel of the truck and a driving cylinder used for driving the limiting plate to rotate around a shaft and limiting the position of the front wheel of the truck.
Preferably, the electric replacing manipulator assembly 13 and the truck carrying platform 14 specifically include a first truck carrying platform, a first electric replacing manipulator assembly, a second truck carrying platform and a second electric replacing manipulator assembly, which are sequentially arranged side by side.
Preferably, the electric replacing robot assembly 13 and the truck carrying platform 14 specifically include a first electric replacing robot assembly, a first truck carrying platform and a second robot assembly which are sequentially arranged side by side.
Preferably, a manipulator driving motor is arranged in the manipulator slide rail; the manipulator is connected with the manipulator slide rail in a matching way through two side parts, and the manipulator slide rail is driven by the manipulator driving motor to translate; and a bearing flat plate for stably transferring the external battery pack is further arranged on the outer side of the manipulator and the lower part of the hook unit in an extending manner.
Preferably, a control cabin door and a plurality of heat dissipation windows for improving heat dissipation performance are arranged at one side of the battery replacement control cabin 12.
Preferably, an infrared sensor for sensing the position of the external battery pack is further arranged on the outer side of the manipulator.
Preferably, a charging connector corresponding to the storage space of each battery replacement pack 112 is arranged in the battery pack placement frame 111.
Preferably, the translation rails correspond to the length of the battery pack placement frame 111, and are arranged in parallel with each other.
Preferably, a protective shed is arranged outside the electric replacing mechanical arm assembly 13 and the truck carrying platform 14.
Compared with the prior art, the high-efficiency electric heavy truck battery replacing station 1 is provided with the battery replacing manipulator assembly 13 and the battery pack storage box 11 which is arranged close to the battery replacing manipulator assembly 13 and used for storing the battery replacing pack 112; a battery replacement control bin 12 for controlling the whole battery replacement process is further arranged at one side of the battery pack storage box 11; at least one layer of battery pack placing frame 111 for placing battery packs 112 in parallel is erected in the battery pack storage box 11; the battery replacement manipulator assembly 13 comprises a battery replacement manipulator mechanism, a rotating mechanism for bearing the battery replacement manipulator mechanism and a translation track for arranging the rotating mechanism, wherein the battery replacement manipulator mechanism comprises a manipulator slide rail and a manipulator which is arranged on the manipulator slide rail and can translate on the manipulator slide rail; the manipulator outside still is provided with the couple unit that is used for with outside battery package accordant connection, and among the practical application process, through the setting of trading electric manipulator and battery package storage box 11, the demand that the quick electricity of trading of the electronic heavy truck of satisfying that can be fine, and each functional unit's structural design is reasonable, and the application effect is outstanding.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an electronic heavily card of high efficiency trades power station which characterized in that: the battery pack storage box is arranged close to the battery replacing manipulator assembly and used for storing a battery replacing pack; a battery replacement control bin for controlling the whole battery replacement process is further arranged at one side of the battery pack storage box; at least one layer of battery pack placing frame for placing battery packs in parallel is erected in the battery pack storage box; the battery replacement manipulator assembly comprises a battery replacement manipulator mechanism, a rotating mechanism for bearing the battery replacement manipulator mechanism and a translation track for arranging the rotating mechanism, wherein the battery replacement manipulator mechanism comprises a manipulator slide rail and a manipulator which is arranged on the manipulator slide rail and can translate on the manipulator slide rail; and a hook unit which is used for being matched and connected with an external battery pack is also arranged on the outer side of the manipulator.
2. A high efficiency power station as recited in claim 1, wherein: the other side of the battery pack storage rack, which is opposite to the battery pack storage rack, of the battery replacing manipulator assembly is also provided with a truck bearing platform for bearing an electric heavy truck; a limiting mechanism used for ensuring safety and limiting the parking position of the truck is arranged at the front end part of the truck carrying platform; the limiting mechanism comprises a limiting plate corresponding to the position of a front wheel of the truck and a driving cylinder used for driving the limiting plate to rotate around a shaft and limiting the position of the front wheel of the truck.
3. A high efficiency power station as recited in claim 2, wherein: trade electric manipulator subassembly and truck bearing platform and specifically trade electric manipulator subassembly including the first truck bearing platform, first trade electric manipulator subassembly, second truck bearing platform and the second that set up side by side in proper order.
4. A high efficiency power station as recited in claim 2, wherein: trade electric manipulator subassembly and truck load-bearing platform and specifically including the first electric manipulator subassembly of trading, first truck load-bearing platform and the second manipulator subassembly that sets up side by side in proper order.
5. A high efficiency power station according to any one of claims 1 to 4 wherein: a manipulator driving motor is arranged in the manipulator sliding rail; the manipulator is connected with the manipulator slide rail in a matching way through two side parts, and the manipulator slide rail is driven by the manipulator driving motor to translate; and a bearing flat plate for stably transferring the external battery pack is further arranged on the outer side of the manipulator and the lower part of the hook unit in an extending manner.
6. A high efficiency power station as recited in claim 1, wherein: trade electric control storehouse one side position and be provided with control storehouse door and be used for improving a plurality of heat dissipation windows of heat dispersion.
7. A high efficiency power station as recited in claim 5, wherein: and an infrared sensor used for sensing the position of the external battery pack is also arranged on the outer side of the manipulator.
8. A high efficiency power station as recited in claim 1, wherein: and charging connectors which are respectively matched and corresponding to the storage spaces of the battery replacing batteries are arranged in the battery pack placing frame.
9. A high efficiency power station as recited in claim 1, wherein: the translation track corresponds to the battery pack placing frame in length and is arranged in parallel.
10. A high efficiency power station as recited in claim 2, wherein: and a protection shed is arranged on the outer sides of the battery replacement manipulator assembly and the truck bearing platform.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011132790.0A CN112123320A (en) | 2020-10-21 | 2020-10-21 | High-efficiency electric heavy truck battery replacement station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011132790.0A CN112123320A (en) | 2020-10-21 | 2020-10-21 | High-efficiency electric heavy truck battery replacement station |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112123320A true CN112123320A (en) | 2020-12-25 |
Family
ID=73854016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011132790.0A Withdrawn CN112123320A (en) | 2020-10-21 | 2020-10-21 | High-efficiency electric heavy truck battery replacement station |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112123320A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113119136A (en) * | 2021-04-02 | 2021-07-16 | 深圳市鑫煜控股有限公司 | Heavy-truck double-manipulator quick battery replacement system |
WO2023098682A1 (en) * | 2021-11-30 | 2023-06-08 | 奥动新能源汽车科技有限公司 | Electric vehicle and rapid swapping assembly |
CN117841918A (en) * | 2024-03-05 | 2024-04-09 | 能翊行(苏州)科技有限公司 | Heavy-truck charging and replacing station and charging and replacing method |
-
2020
- 2020-10-21 CN CN202011132790.0A patent/CN112123320A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113119136A (en) * | 2021-04-02 | 2021-07-16 | 深圳市鑫煜控股有限公司 | Heavy-truck double-manipulator quick battery replacement system |
WO2023098682A1 (en) * | 2021-11-30 | 2023-06-08 | 奥动新能源汽车科技有限公司 | Electric vehicle and rapid swapping assembly |
CN117841918A (en) * | 2024-03-05 | 2024-04-09 | 能翊行(苏州)科技有限公司 | Heavy-truck charging and replacing station and charging and replacing method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112123320A (en) | High-efficiency electric heavy truck battery replacement station | |
CN102267437A (en) | Fast power transformation station of battery box of electric automobile and replacement method of battery box | |
CN112721724A (en) | High-efficiency battery replacement station for electric household automobile | |
CN113400993A (en) | Intensive heavy truck trades power station | |
CN212765826U (en) | Trade power station of convertible station direction | |
CN107697037B (en) | Intelligent loading and unloading mobile charging device and method for electric vehicle battery | |
CN112721725A (en) | Quick battery replacement system of electric household automobile | |
CN213501922U (en) | Power conversion station | |
CN205311793U (en) | Hidden solar charging electric bicycle | |
CN204749880U (en) | Two sources trolley -bus electricelectric motor car and driving system thereof | |
CN112277722A (en) | High-efficient station that trades of electronic commercial car | |
CN219044292U (en) | Double-robot cooperation high-speed heavy-duty truck power exchange station | |
CN218750398U (en) | Single container fills trades power station | |
CN215244296U (en) | Diesel oil extended-range electric light truck overall arrangement structure | |
CN213799327U (en) | Double-bin battery replacement station with station direction changeable | |
CN112172597A (en) | Efficient battery replacement method for electric heavy truck | |
CN115520156A (en) | Heavy truck power exchanging station | |
CN208325277U (en) | A kind of power battery echelon utilize before tote cart | |
CN201941742U (en) | Novel fast battery replacement device | |
CN206900498U (en) | Solar energy boxcar and van | |
CN206623691U (en) | It is a kind of can battery system used in the AGV of non-stop run | |
CN113665384A (en) | Centralized charging and decentralized charging type multifunctional charging station system | |
CN215361021U (en) | Heavy truck full-automatic optical storage and charging integrated system | |
CN112606733B (en) | Folding portable new energy automobile trades electric equipment | |
CN112356735A (en) | Box type battery replacement station of electric commercial vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201225 |