CN107100764A - A kind of automobile-used LNG feeders - Google Patents
A kind of automobile-used LNG feeders Download PDFInfo
- Publication number
- CN107100764A CN107100764A CN201710537354.3A CN201710537354A CN107100764A CN 107100764 A CN107100764 A CN 107100764A CN 201710537354 A CN201710537354 A CN 201710537354A CN 107100764 A CN107100764 A CN 107100764A
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- CN
- China
- Prior art keywords
- lng
- valve
- automobile
- pipeline
- check
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus 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
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0287—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers characterised by the transition from liquid to gaseous phase ; Injection in liquid phase; Cooling and low temperature storage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0293—Safety devices; Fail-safe measures
-
- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Include being equipped with liquid level gauge inside LNG spherical tanks, the LNG spherical tanks the invention discloses a kind of automobile-used LNG feeders, LNG spherical tanks have been sequentially communicated from pressure pipeline, input duct and drain pipe road；Drain pipe road is connected with air bath vaporizer in turn, there is water bath carburetor, vacuum tank and automobile engine device.A kind of shortcoming that automobile-used LNG technologies of the invention in order to solve prior art are present, it is proposed that automobile-used LNG feeders, simple in construction which employs being pressurized spherical tank certainly to store LNG, bearing capacity is strong, safety coefficient height, easy-to-use, and liquid feeding supply is conveniently；The mode of two steps gasification is employed simultaneously, and the thermal source of gasification is the cooling circulating water system of in-car air-conditioning, exhaust treatment system and engine, realizes energy-saving and emission-reduction；And vacuum tank is set before automobile engine device, it is ensured that there are the gas of a certain amount of suitable state, and whole system stable gas pressure in air supply system all the time, disclosure satisfy that the startup requirement of automobile engine at any time.
Description
Technical field
The present invention relates to automobile-used LNG engineering device technique fields, more particularly to a kind of automobile-used LNG feeders.
Background technology
LNG automobiles are the abbreviations of LNGV.LNG automobiles are a new generations using low temperature liquid natural gas as fuel
Gas-fueled vehicles, its outstanding advantages are that LNG energy densities are big (about 3 times of CNG), and automobile continual mileage is long, up to 400km with
On, there is significant economic benefit using diesel oil, gasoline with respect to automobile.
The automobile-used LNG air supply systems of prior art, using vertical or horizontal cylindrical LNG storage tank, its bearing capacity
And safety coefficient be not so good as spherical tank, and natural gas enter automobile engine before, it is necessary to substantial amounts of pressure regulating valve be set, with reality
Now enough pressure differences, it is ensured that the LNG in storage tank can pass through gasification and engine device；The automobile-used LNG supply of prior art
System architecture is complicated, and complex installation process has deficiency during supply, it is impossible to fully meet the demand in market.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of automobile-used LNG supply proposed is filled
Put.
To achieve these goals, present invention employs following technical scheme：
A kind of automobile-used LNG feeders, including LNG spherical tanks, the LNG Spherical Tanks are connected with spherical tank support, the LNG spherical tanks
Inside is equipped with liquid level gauge, and the LNG spherical tanks have been sequentially communicated from pressure pipeline, input duct and drain pipe road；It is described to be pressurized certainly
Pipeline is provided with pressure gauge and automatic stop valve, and the input duct is provided with topping up joint and inlet check valve, the drain pipe road
One end away from LNG spherical tanks is provided with balanced valve；
The one end of the balanced valve away from LNG spherical tanks, which is connected with air bath vaporizer, the air bath vaporizer, is provided with spiral
Heat exchanger tube, the spiral heat exchange tube is connected by pipeline with balanced valve, and the one end of the spiral heat exchange tube away from balanced valve passes through
Pipeline is connected with the first check (non-return) valve, and the described one end of first check (non-return) valve away from air bath vaporizer is connected with water-bath vapour by pipeline
Change and snakelike heat exchange tube is provided with device, the water bath carburetor, the snakelike heat exchange tube is connected by pipeline with the first check (non-return) valve, institute
State the one end of snakelike heat exchange tube away from the first check (non-return) valve and the second check (non-return) valve is connected with by pipeline, second check (non-return) valve is away from water
One end of bath vaporizer is connected with vacuum tank by pipeline, and side of the vacuum tank away from the second check (non-return) valve is connected by pipeline
There is the 3rd check (non-return) valve, the described one end of 3rd check (non-return) valve away from vacuum tank is connected with automobile engine device by pipeline.
Preferably, the LNG spherical tanks are spherical bilayer tank, and inner canister is stainless steel spherical tank, and outer tank is carbon steel spherical tank, described
Have between the inner canister and outer tank of LNG spherical tanks in cavity, the cavity filled with the nitrogen that pearly-lustre is husky and dries.
Preferably, the air bath vaporizer is connected with the air-conditioning device of automotive interior.
Preferably, the air bath vaporizer is connected with automobile exhaust gas processing apparatus, and the spiral heat exchange tube scribbles anti-corrosion
Corrosion material.
Preferably, the water bath carburetor is connected with the cooling circulating water system of automobile engine.
Preferably, the automatic stop valve is specially the serial hydraulic angle stop valves of J744X, and the automatic stop valve is opened
Pressure is opened for 0.8MPa, i.e., automatic stop valve is automatically turned on when manometric pressure is less than 0.8MPa.
Preferably, the balanced valve is specially Kombi-3-Plus series V5100Y0040 type dynamic differential pressure balancing valves.
Preferably, the admission pressure (air inlet is the gaseous mixture of natural gas and air) of the automobile engine device is no more than
0.2MPa。
Compared with prior art, the beneficial effects of the invention are as follows：
1. be provided with topping up joint and inlet check valve by the input duct in LNG spherical tanks, from pressure pipeline provided with pressure gauge and
Automatic stop valve, the one end of drain pipe road away from LNG spherical tanks is provided with balanced valve, employs from supercharging spherical tank to store LNG, and it is tied
Structure is simple, and bearing capacity is strong, and safety coefficient is high, easy-to-use, and liquid feeding supply is convenient.
2. by setting air bath vaporizer and water bath carburetor in drain pipe road one end of LNG spherical tanks, using two step gas
The mode of change, the thermal source of gasification is the cooling circulating water system of in-car air-conditioning, exhaust treatment system and engine, realizes energy-conservation
Emission reduction.
3. by setting the first check (non-return) valve, the second check (non-return) valve and the 3rd check (non-return) valve in the downstream of air bath vaporizer, and
Vacuum tank is set before automobile engine device, it is ensured that have the gas of a certain amount of suitable state in air supply system all the time, and
Whole system stable gas pressure, disclosure satisfy that the startup requirement of automobile engine at any time.
Brief description of the drawings
Fig. 1 is a kind of structural representation of automobile-used LNG feeders proposed by the present invention；
In figure：1 LNG spherical tanks, 2 spherical tank supports, 3 liquid level gauges, 4 from pressure pipeline, 5 input ducts, 6 drain pipe roads, 7 pressure gauges,
8 automatic stop valves, 9 topping up joints, 10 inlet check valves, 11 balanced valves, 12 air bath vaporizers, 13 spiral heat exchange tubes, 14
One check (non-return) valve, 15 water bath carburetors, 16 snakelike heat exchange tubes, 17 second check (non-return) valves, 18 vacuum tanks, 19 the 3rd check (non-return) valves, 20 automobiles
Engine device, 21 cavitys.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Reference picture 1, a kind of automobile-used LNG feeders, including LNG spherical tanks 1, the bottom of LNG spherical tanks 1 is connected with spherical tank branch
Liquid level gauge 3 is equipped with inside frame 2, the LNG spherical tanks 1, the LNG spherical tanks 1 have been sequentially communicated from pressure pipeline 4, the He of input duct 5
Drain pipe road 6；Described to be provided with pressure gauge 7 and automatic stop valve 8 from pressure pipeline 4, the input duct 5 is provided with topping up joint 9
With inlet check valve 10, the described one end of drain pipe road 6 away from LNG spherical tanks 1 is provided with balanced valve 11；
The described one end of balanced valve 11 away from LNG spherical tanks 1 is connected with air bath vaporizer 12, the air bath vaporizer 12 and set
There is spiral heat exchange tube 13, the spiral heat exchange tube 13 is connected by pipeline with balanced valve 11, the spiral heat exchange tube 13 is away from flat
Weigh one end of valve 11 is connected with the first check (non-return) valve 14 by pipeline, first check (non-return) valve 14 away from air bath vaporizer 12 one
End is connected with water bath carburetor 15, the water bath carburetor 15 by pipeline and is provided with snakelike heat exchange tube 16, the snakelike heat exchange
Pipe 16 is connected by pipeline with the first check (non-return) valve 14, and the one end of the snakelike heat exchange tube 16 away from the first check (non-return) valve 14 passes through pipeline
The second check (non-return) valve 17 is connected with, the described one end of second check (non-return) valve 17 away from water bath carburetor 15 is connected with vacuum tank by pipeline
18, side of the vacuum tank 18 away from the second check (non-return) valve 17 is connected with the 3rd check (non-return) valve 19 by pipeline, and the described 3rd is non-return
The one end of valve 19 away from vacuum tank 18 is connected with automobile engine device 20 by pipeline.
The LNG spherical tanks 1 are spherical bilayer tank, and inner canister is stainless steel spherical tank, and outer tank is carbon steel spherical tank, the LNG spherical tanks 1
Inner canister and outer tank between have a cavity 21, filled with the nitrogen that pearly-lustre is husky and dries in the cavity 21.
The air bath vaporizer 12 is connected with the air-conditioning device of automotive interior.
The air bath vaporizer 12 is connected with automobile exhaust gas processing apparatus, and the spiral heat exchange tube 13 scribbles anticorrosion material
Material.
The water bath carburetor 15 is connected with the cooling circulating water system of automobile engine.
The automatic stop valve 8 is specially the serial hydraulic angle stop valves of J744X, the unlatching pressure of the automatic stop valve 8
Power is 0.8MPa, i.e., automatic stop valve 8 is automatically turned on when the pressure of pressure gauge 7 is less than 0.8MPa.
The balanced valve 11 is specially Kombi-3-Plus series V5100Y0040 type dynamic differential pressure balancing valves.
The admission pressure of the automobile engine device 20 is no more than 0.2MPa.
The action of the present invention：Inlet check valve 10 is opened, by topping up joint 9 and input duct 5, LNG is poured into LNG
In spherical tank 1, liquid level gauge is observed, when reaching 0.9 liquid level coefficient, stops liquid filling, closes topping up joint 9；Opening automatic stop valve 8,
Balanced valve 11, the first check (non-return) valve 14, the second check (non-return) valve 17 and the 3rd check (non-return) valve 19, observe pressure gauge 7, when the pressure of pressure gauge 7
During less than 0.8MPa, automatic stop valve 8 is automatically turned on；LNG liquid and its saturated vapor are after supercharging, automatic stream air bath
In vaporizer 12, after air is heated, it is changed into the natural gas gas of certain pressure, water bath carburetor is flowed to, by recirculated water
After heating, the air pressure of natural gas gas continues to increase (temperature rise), is flowed into vacuum tank and temporarily preserves.Above procedure is formed
Feeder, it is ensured that have the gas of a certain amount of suitable state, and whole system stable gas pressure in air supply system all the time,
It disclosure satisfy that the startup requirement of automobile engine at any time.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of automobile-used LNG feeders, including LNG spherical tanks (1), it is characterised in that LNG spherical tanks (1) bottom is connected with
Liquid level gauge (3) is equipped with inside spherical tank support (2), the LNG spherical tanks (1), the LNG spherical tanks (1) have been sequentially communicated from pressure inlet
Road (4), input duct (5) and drain pipe road (6)；It is described to be provided with pressure gauge (7) and automatic stop valve (8) from pressure pipeline (4),
The input duct (5) is provided with topping up joint (9) and inlet check valve (10), and the drain pipe road (6) is away from LNG spherical tanks (1)
One end be provided with balanced valve (11)；The one end of the balanced valve (11) away from LNG spherical tanks (1) is connected with air bath vaporizer
(12) spiral heat exchange tube (13), is provided with the air bath vaporizer (12), the spiral heat exchange tube (13) is by pipeline with putting down
The valve (11) that weighs is connected, and the one end of the spiral heat exchange tube (13) away from balanced valve (11) is connected with the first check (non-return) valve by pipeline
(14), the one end of first check (non-return) valve (14) away from air bath vaporizer (12) is connected with water bath carburetor by pipeline
(15) snakelike heat exchange tube (16), is provided with the water bath carburetor (15), the snakelike heat exchange tube (16) passes through pipeline and first
Check (non-return) valve (14) is connected, and the one end of the snakelike heat exchange tube (16) away from the first check (non-return) valve (14) is connected with second by pipeline and stopped
Inverse valve (17), the one end of second check (non-return) valve (17) away from water bath carburetor (15) is connected with vacuum tank (18) by pipeline,
Side of the vacuum tank (18) away from the second check (non-return) valve (17) is connected with the 3rd check (non-return) valve (19) by pipeline, and the described 3rd stops
The inverse one end of valve (19) away from vacuum tank (18) is connected with automobile engine device (20) by pipeline.
2. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the LNG spherical tanks (1) are bilayer
Spherical tank, inner canister is stainless steel spherical tank, and outer tank is carbon steel spherical tank, has cavity between the inner canister and outer tank of the LNG spherical tanks (1)
(21), filled with the nitrogen that pearly-lustre is husky and dries in the cavity (21).
3. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the air bath vaporizer (12)
It is connected with the air-conditioning device of automotive interior.
4. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the air bath vaporizer (12)
It is connected with automobile exhaust gas processing apparatus, the spiral heat exchange tube (13) scribbles anticorrosion material.
5. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the water bath carburetor (15) with
The cooling circulating water system of automobile engine is connected.
6. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the automatic stop valve (8) is specific
For the serial hydraulic angle stop valves of J744X, the Opening pressure of the automatic stop valve (8) is 0.8MPa, i.e. pressure gauge (7) pressure
Automatic stop valve (8) is automatically turned on when power is less than 0.8MPa.
7. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the balanced valve (11) is specially
Kombi-3-Plus series V5100Y0040 type dynamic differential pressure balancing valves.
8. a kind of automobile-used LNG feeders according to claim 1, it is characterised in that the automobile engine device
(20) admission pressure (air inlet is the gaseous mixture of natural gas and air) is no more than 0.2MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537354.3A CN107100764A (en) | 2017-07-04 | 2017-07-04 | A kind of automobile-used LNG feeders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537354.3A CN107100764A (en) | 2017-07-04 | 2017-07-04 | A kind of automobile-used LNG feeders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107100764A true CN107100764A (en) | 2017-08-29 |
Family
ID=59663879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710537354.3A Pending CN107100764A (en) | 2017-07-04 | 2017-07-04 | A kind of automobile-used LNG feeders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107100764A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630770A (en) * | 2017-11-03 | 2018-01-26 | 黄帮义 | Liquified gas automobile air supply system |
| CN107891742A (en) * | 2017-11-03 | 2018-04-10 | 黄帮义 | Liquified gas automobile supplies heat-insulation system |
| CN108590892A (en) * | 2018-06-13 | 2018-09-28 | 哈尔滨工程大学 | A kind of natural gas engine LNG vaporization device peculiar to vessel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194985Y (en) * | 1994-02-26 | 1995-04-19 | 四川省绵阳市科阳低温设备公司 | Automotive fuel supply device using liquefied natural gas as fuel |
| CN201334967Y (en) * | 2009-01-13 | 2009-10-28 | 新疆广汇液化天然气发展有限责任公司 | Liquefied natural gas self-pressurization device |
| CN203570459U (en) * | 2013-10-29 | 2014-04-30 | 成都客车股份有限公司 | LNG fuel temperature control system for vehicle |
| JP2015063288A (en) * | 2013-09-26 | 2015-04-09 | 泉鋼業株式会社 | Gas supply apparatus for ship |
| EP3074677A1 (en) * | 2013-11-25 | 2016-10-05 | Chart Inc. | Frangible closure coupling for liquid natural gas tank |
-
2017
- 2017-07-04 CN CN201710537354.3A patent/CN107100764A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194985Y (en) * | 1994-02-26 | 1995-04-19 | 四川省绵阳市科阳低温设备公司 | Automotive fuel supply device using liquefied natural gas as fuel |
| CN201334967Y (en) * | 2009-01-13 | 2009-10-28 | 新疆广汇液化天然气发展有限责任公司 | Liquefied natural gas self-pressurization device |
| JP2015063288A (en) * | 2013-09-26 | 2015-04-09 | 泉鋼業株式会社 | Gas supply apparatus for ship |
| CN203570459U (en) * | 2013-10-29 | 2014-04-30 | 成都客车股份有限公司 | LNG fuel temperature control system for vehicle |
| EP3074677A1 (en) * | 2013-11-25 | 2016-10-05 | Chart Inc. | Frangible closure coupling for liquid natural gas tank |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630770A (en) * | 2017-11-03 | 2018-01-26 | 黄帮义 | Liquified gas automobile air supply system |
| CN107891742A (en) * | 2017-11-03 | 2018-04-10 | 黄帮义 | Liquified gas automobile supplies heat-insulation system |
| CN107891742B (en) * | 2017-11-03 | 2020-06-05 | 黄帮义 | Gas supply and heat preservation system for liquefied gas vehicle |
| CN108590892A (en) * | 2018-06-13 | 2018-09-28 | 哈尔滨工程大学 | A kind of natural gas engine LNG vaporization device peculiar to vessel |
| CN108590892B (en) * | 2018-06-13 | 2023-11-17 | 哈尔滨工程大学 | LNG vaporization device of marine natural gas engine |
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Application publication date: 20170829 |
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