CN107013389A - A kind of dual-purpose pipeline structure of engine oil gas - Google Patents

A kind of dual-purpose pipeline structure of engine oil gas Download PDF

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Publication number
CN107013389A
CN107013389A CN201710226992.3A CN201710226992A CN107013389A CN 107013389 A CN107013389 A CN 107013389A CN 201710226992 A CN201710226992 A CN 201710226992A CN 107013389 A CN107013389 A CN 107013389A
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CN
China
Prior art keywords
air inlet
inlet pipe
exhaust gas
gas
chamber
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.)
Granted
Application number
CN201710226992.3A
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Chinese (zh)
Other versions
CN107013389B (en
Inventor
何松龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Strong Aviation Technology Co ltd
Original Assignee
Sichuan Sen Jie Gas-Fired Equipment Co Ltd
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Application filed by Sichuan Sen Jie Gas-Fired Equipment Co Ltd filed Critical Sichuan Sen Jie Gas-Fired Equipment Co Ltd
Priority to CN201710226992.3A priority Critical patent/CN107013389B/en
Publication of CN107013389A publication Critical patent/CN107013389A/en
Application granted granted Critical
Publication of CN107013389B publication Critical patent/CN107013389B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M43/00Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
    • F02M21/0215Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/023Valves; Pressure or flow regulators in the fuel supply or return system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The invention discloses a kind of dual-purpose pipeline structure of engine oil gas, including the oil pipe being connected with combustion chamber and the air inlet pipe being enclosed on the outside of oil pipe, supply chamber is formed between the air inlet pipe and oil pipe, an exhaust gas nozzle is also cased with the outside of air inlet pipe, gas chamber is formed between the exhaust gas nozzle and air inlet pipe, an air supply opening is also provided with air inlet pipe, the air supply opening is communicated with gas chamber, the oil pipe, air inlet pipe, one end of exhaust gas nozzle are respectively positioned on same plane and be connected with combustion chamber;A pushing mechanism is additionally provided with gas chamber, the pushing mechanism is connected with actuator and can moved under the driving of actuator along the axis of exhaust gas nozzle to the direction of combustion chamber, an air inlet is also provided with exhaust gas nozzle, the air inlet is located between combustion chamber and pushing mechanism;Motor-driven valve is additionally provided with oil pipe, the motor-driven valve, actuator are connected with automobile ECU system.Realize it is a kind of can oil gas share nozzle arrangements purpose.

Description

A kind of dual-purpose pipeline structure of engine oil gas
Technical field
The present invention relates to a kind of gas spray head, and in particular to a kind of dual-purpose pipeline structure of engine oil gas.
Background technology
Natural gas is the energy most cleaned in fossil fuel, and is primary energy, and its impurity content is few, in theory, It does not pollute after burning, with the significant feature of environmental protection.City's democratic reform is burnt after natural gas, and the pollutant of generation will significantly subtract than coal gas It is few, carbon dioxide 25% is such as reduced, sulfur dioxide more than 50%, nitrogen oxides 40% or so is reduced.Because natural gas have compared with High economic benefit, in identical equivalent heat value, countries in the world are 1 liter of vapour typically by the price control of 1 cubic metre of natural gas The half of oily diesel oil.So natural gas is used in engine system in the prior art.If the thermal efficiency of all kinds of engines Closer, then the fuel cost of gas-fueled vehicles is about the half of gasoline car or diesel vehicle.This not only compensate for due to automobile Quantity be continuously increased caused by liquid fuel it is insufficient, and be greatly lowered using the operating cost of automobile.And just For the engine of automotive window top, natural gas easily spreads, and is easily uniformly mixed with air within the engine, ratio of combustion is completeer Entirely, totally, do not allow to be also easy to produce carbon distribution, the capability of antidetonance is good, will not dilute lubricating oil, thus make the parts depreciation in engine cylinder Greatly reduce, the life-span of engine and the useful life of lubricating oil is increased substantially.All oil-gas two-way automobile is existed above China is becoming increasingly popular.But oil-gas two-way car of the prior art is using independent gasoline, gas spraying mouth and burning Room is connected so that the structure of engine block is complex, add manufacturing cost.
The content of the invention
The technical problems to be solved by the invention are that existing oil-gas two-way car uses independent gasoline, gas spraying mouth It is connected with combustion chamber so that the structure of engine block is complex, add manufacturing cost, it is therefore intended that provide a kind of engine Oil-gas two-way pipeline structure, realize it is a kind of can oil gas share nozzle arrangements purpose.
The present invention is achieved through the following technical solutions:
A kind of dual-purpose pipeline structure of engine oil gas, including the oil pipe being connected with combustion chamber and the air inlet being enclosed on the outside of oil pipe Pipe, forms supply chamber, an exhaust gas nozzle, the exhaust gas nozzle is also cased with the outside of air inlet pipe between the air inlet pipe and oil pipe Gas chamber is formed between air inlet pipe, an air supply opening is also provided with air inlet pipe, the air supply opening is communicated with gas chamber, described Oil pipe, air inlet pipe, one end of exhaust gas nozzle are respectively positioned on same plane and are connected with combustion chamber;One is additionally provided with gas chamber Pushing mechanism, the pushing mechanism is connected with actuator and can be along the axis of exhaust gas nozzle to combustion chamber under the driving of actuator Direction motion, be also provided with an air inlet on exhaust gas nozzle, the air inlet is located between combustion chamber and pushing mechanism; Motor-driven valve is additionally provided with oil pipe, the motor-driven valve, actuator are connected with automobile ECU system.Further, in the prior art Fuel nozzle typically use two fluidic structures, i.e., the oil pipe being connected with combustion chamber and the air inlet pipe being enclosed on the outside of oil pipe are described Supply chamber is formed between air inlet pipe and oil pipe, supply intracavitary is provided with gas distributor, oil pipe transport feed liquid, compressed air, After gas distributor, sprayed from annular space, i.e. gas passage or gas nozzle.When solution-air two-phase flow is in nozzle exit end When face is contacted, because the speed that gas sprays from annular space is very high, generally 200~340m/s can also reach supersonic speed, but The speed of liquid outflow less, is usually no more than 2m/s, therefore, between two fluids, there is very big relative velocity, so as to produce Raw sizable frictional force, is atomized feed liquid.The present invention is using existing second fluid nozzle as base material, on the outside of second fluid nozzle again An exhaust gas nozzle is covered, makes to form gas chamber between exhaust gas nozzle and second fluid nozzle, the exhaust gas nozzle is supplied with automotive natural gas Tracheae is connected, and automotive natural gas air supply pipe is supplied to gas chamber, is then opened in air inlet pipe in an air supply opening, gas chamber Natural gas can just enter in supply chamber, so make substitute gas air, in combustion gas after gas distributor, from annular space, i.e., Spray, be atomized when also promoting gasoline to spray in gas passage or gas nozzle.Jet natural gas structure:Set and push away in gas chamber Motivation structure, controls pushing mechanism compressed natural gas by motor-driven valve, with this compressed natural gas, natural gas can be promoted to be sprayed from nozzle Go out.Motor-driven valve, actuator are connected with automobile ECU system, and user operates existing solution-air switching device, and automobile ECU system is received Motor-driven valve or actuator work are controlled after to switching signal, the injection for being gas or liquid into combustion chamber is realized with this.This hair Bright concrete structure is as described above, and oil pipe, air inlet pipe, one end of exhaust gas nozzle are respectively positioned on same plane and connected with combustion chamber Connect, natural gas nozzle and petrol jet are united two into one with this, simplify the structure of engine block combustion chamber, reduce and be manufactured into This.In addition, the present invention is using boosting gas of the natural gas as gasoline spray, under sample gas flow, it is possible to increase the combustion of combustion chamber Burning amount, improves the power of engine, middle compared with prior art to improve engine power, this programme using gasoline combustion amount is increased Under the gasoline of isodose, gasoline energy loss can be reduced, and reduces the requirement to oil pipe, with higher practicality.
The pushing mechanism includes annular push pedal, two hydraulic push rods, and the annular push pedal is enclosed on the outside of air inlet pipe And matched with exhaust gas nozzle inwall, the hydraulic push rod is symmetrical on the center line of exhaust gas nozzle, one end of hydraulic push rod and ring One end connection, the other end and the actuator of shape push pedal are connected, and hydraulic push rod is located at annular side of the push pedal away from combustion chamber.Enter One step, described above is that pushing mechanism is explained further, actuator control hydraulic push rod, hydraulic push rod is promoted annular Push pedal moves reciprocatingly to combustion chamber direction, annular push pedal compressed natural gas, makes natural gas quick from jet hole spirt combustion chamber.
Spring is also cased with the outside of the hydraulic push rod.Further, primarily served in one spring of hydraulic push rod outer sheath Cushioning effect, protects push rod.
The present invention compared with prior art, has the following advantages and advantages:
A kind of dual-purpose pipeline structure of engine oil gas of the present invention, is also cased with an exhaust gas nozzle on the outside of air inlet pipe, described Gas chamber is formed between exhaust gas nozzle and air inlet pipe, an air supply opening, the air supply opening and gas chamber are also provided with air inlet pipe Communicate, by this structure by gasoline, the integration of gas spraying mouth, solve existing engine block chamber structure more multiple It is miscellaneous, the problem of manufacturing cost is higher, simultaneously as using power air supply source of the natural gas as gasoline, in the gasoline of isodose Under, gasoline energy loss is reduced, the requirement to oil pipe is reduced, with higher practicality.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing:
1- oil pipes, 2- air inlet pipe, 3- exhaust gas nozzles, 4- gas chambers, 5- air supply openings, 6- air inlets, 7- annular push pedals, 8- liquid Press push rod, 9- motor-driven valves, 10- actuators, 11- springs.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make For limitation of the invention.
Embodiment
As shown in figure 1, the dual-purpose pipeline structure of a kind of engine oil gas of the invention, including the oil pipe 1 that is connected with combustion chamber and The air inlet pipe 2 in the outside of oil pipe 1 is enclosed on, supply chamber is formed between the air inlet pipe 2 and oil pipe 1, one is also cased with the outside of air inlet pipe 2 Individual exhaust gas nozzle 3, forms gas chamber 4, an air supply opening is also provided with air inlet pipe 2 between the exhaust gas nozzle 3 and air inlet pipe 2 5, the air supply opening 5 is communicated with gas chamber 4, the oil pipe 1, air inlet pipe 2, one end of exhaust gas nozzle 3 be respectively positioned on same plane and It is connected with combustion chamber;A pushing mechanism is additionally provided with gas chamber 4, the pushing mechanism is connected and held with actuator 10 It can be moved under the driving of row device 10 along the axis of exhaust gas nozzle 3 to the direction of combustion chamber, one is also provided with exhaust gas nozzle 3 and is entered Gas port 6, the air inlet 6 is located between combustion chamber and pushing mechanism;Motor-driven valve 9, the motor-driven valve are additionally provided with oil pipe 1 9th, actuator 10 is connected with automobile ECU system.The pushing mechanism includes annular push pedal 7, two hydraulic push rods 8, institute State annular push pedal 7 to be enclosed on the outside of air inlet pipe 2 and match with the inwall of exhaust gas nozzle 3, the hydraulic push rod 8 is on exhaust gas nozzle 3 Center line is symmetrical, and one end of hydraulic push rod 8 is connected with one end of annular push pedal 7, the other end and actuator 10 are connected, and hydraulic thrust Bar 8 is located at annular side of the push pedal 7 away from combustion chamber.The outside of hydraulic push rod 8 is also cased with spring 11.
The course of work of the present invention:The solution-air switching device that driver's operation is connected with ECU, is supplied when being switched to natural gas During gaseity, the control actuator work of automobile ECU system, while control motor-driven valve 9 to close the oil supply gallery of oil pipe 1, actuator Axis of the 10 promotion hydraulic push rods 8 along exhaust gas nozzle 3 is moved to the direction of combustion chamber, and hydraulic push rod 8 promotes annular push pedal 7 to compress Natural gas, natural gas just sprays from jet hole;
When being switched to natural gas supply state, automobile ECU system control actuator 10 is stopped, while control is electronic Valve 9 opens the oil supply gallery of oil pipe 1, and natural gas is still continually to supply intracavitary supply, and gas passes through through gas distributor Compressive state is in afterwards, gasoline atomizing is sprayed from jet hole using with the gasoline speed in oil pipe 1.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included Within protection scope of the present invention.

Claims (3)

1. a kind of dual-purpose pipeline structure of engine oil gas, including the oil pipe (1) that is connected with combustion chamber and it is enclosed on the outside of oil pipe (1) Air inlet pipe (2), forms supply chamber, it is characterised in that also covered on the outside of air inlet pipe (2) between the air inlet pipe (2) and oil pipe (1) There is an exhaust gas nozzle (3), gas chamber (4) is formed between the exhaust gas nozzle (3) and air inlet pipe (2), in air inlet pipe (2) also An air supply opening (5) is provided with, the air supply opening (5) communicates with gas chamber (4), the oil pipe (1), air inlet pipe (2), exhaust gas nozzle (3) one end is respectively positioned on same plane and is connected with combustion chamber;A pushing mechanism is additionally provided with gas chamber (4), it is described Pushing mechanism is connected with actuator (10) and can be along the axis of exhaust gas nozzle (3) to combustion chamber under the driving of actuator (10) Direction is moved, and an air inlet (6) is also provided with exhaust gas nozzle (3), and the air inlet (6) is located at combustion chamber and pushing mechanism Between;Motor-driven valve (9) is additionally provided with oil pipe (1), the motor-driven valve (9), actuator (10) connect with automobile ECU system Connect.
2. a kind of dual-purpose pipeline structure of engine oil gas according to claim 1, it is characterised in that the pushing mechanism bag Annular push pedal (7), two hydraulic push rods (8) are included, the annular push pedal (7) is enclosed on the outside of air inlet pipe (2) and and gas injection Manage the matching of (3) inwall, the hydraulic push rod (8) is symmetrical on the center line of exhaust gas nozzle (3), one end of hydraulic push rod (8) with One end connection, the other end and the actuator (10) of annular push pedal (7) are connected, and hydraulic push rod (8) is remote positioned at annular push pedal (7) The side of combustion chamber.
3. a kind of dual-purpose pipeline structure of engine oil gas according to claim 2, it is characterised in that the hydraulic push rod (8) outside is also cased with spring (11).
CN201710226992.3A 2017-04-07 2017-04-07 A kind of dual-purpose pipeline structure of engine oil gas Expired - Fee Related CN107013389B (en)

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CN201710226992.3A CN107013389B (en) 2017-04-07 2017-04-07 A kind of dual-purpose pipeline structure of engine oil gas

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CN107013389B CN107013389B (en) 2019-05-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483383A (en) * 2022-01-28 2022-05-13 刘义亭 Gas fuel injector

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1869426A (en) * 2006-06-26 2006-11-29 陆斌 Supply method and device for gas fuel of gas engine
CN201934209U (en) * 2010-12-17 2011-08-17 中国汽车工程研究院股份有限公司 Mixer for pressurized heavy natural gas engine
KR20120103411A (en) * 2011-03-11 2012-09-19 대우조선해양 주식회사 System for supplying fuel for a marine structure having a reliquefaction apparatus and a high pressure natural gas injection engine
CN203404000U (en) * 2013-08-30 2014-01-22 广西玉柴机器股份有限公司 Fuel gas supplying system of double-fuel diesel engine
KR101393217B1 (en) * 2013-04-16 2014-05-08 현대중공업 주식회사 Gas admission valve assembly for dual fuel engine
CN204041309U (en) * 2014-09-22 2014-12-24 广西玉柴机器股份有限公司 The multi-point injection suction tude of gas engine
KR20150026676A (en) * 2013-08-29 2015-03-11 대우조선해양 주식회사 Floating and Storage Gas Power Plant
CN206617263U (en) * 2017-04-07 2017-11-07 四川森洁燃气设备有限公司 Practical automobile oil gas flow dividing structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1869426A (en) * 2006-06-26 2006-11-29 陆斌 Supply method and device for gas fuel of gas engine
CN100485182C (en) * 2006-06-26 2009-05-06 陆斌 Supply method and device for gas fuel of gas engine
CN201934209U (en) * 2010-12-17 2011-08-17 中国汽车工程研究院股份有限公司 Mixer for pressurized heavy natural gas engine
KR20120103411A (en) * 2011-03-11 2012-09-19 대우조선해양 주식회사 System for supplying fuel for a marine structure having a reliquefaction apparatus and a high pressure natural gas injection engine
KR101393217B1 (en) * 2013-04-16 2014-05-08 현대중공업 주식회사 Gas admission valve assembly for dual fuel engine
KR20150026676A (en) * 2013-08-29 2015-03-11 대우조선해양 주식회사 Floating and Storage Gas Power Plant
CN203404000U (en) * 2013-08-30 2014-01-22 广西玉柴机器股份有限公司 Fuel gas supplying system of double-fuel diesel engine
CN204041309U (en) * 2014-09-22 2014-12-24 广西玉柴机器股份有限公司 The multi-point injection suction tude of gas engine
CN206617263U (en) * 2017-04-07 2017-11-07 四川森洁燃气设备有限公司 Practical automobile oil gas flow dividing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483383A (en) * 2022-01-28 2022-05-13 刘义亭 Gas fuel injector

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Effective date of registration: 20191203

Address after: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002

Patentee after: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd.

Address before: 610000 Longtan Industrial Park, two ring road, East Three Ring Road, Chengdu, Chenghua District, Sichuan

Patentee before: SICHUAN SENJIE FUEL GAS EQUIPMENT Co.,Ltd.

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Effective date of registration: 20191230

Address after: Room 1107-1111 and 1113, 11th floor, building B1, No. 162, science Avenue, Huangpu District, Guangzhou City, Guangdong Province

Patentee after: Guangzhou strong aviation technology Co.,Ltd.

Address before: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002

Patentee before: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd.

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Granted publication date: 20190514