CN106368797A - Lawn mower with exhaust gas turbo-charging auxiliary device - Google Patents
Lawn mower with exhaust gas turbo-charging auxiliary device Download PDFInfo
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- CN106368797A CN106368797A CN201510442431.8A CN201510442431A CN106368797A CN 106368797 A CN106368797 A CN 106368797A CN 201510442431 A CN201510442431 A CN 201510442431A CN 106368797 A CN106368797 A CN 106368797A
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- control device
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- 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
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention relates to a lawn mower with an exhaust gas turbo-charging auxiliary device. The lawn mower is a riding lawn mower adopting a gasoline engine; the exhaust gas turbo-charging auxiliary device comprises an exhaust gas guiding-out pipe in sealed communication with an exhaust manifold and an exhaust gas guiding-in pipe in sealed communication with a gas inlet pipe, and a flow control device is connected between the adjacent ends of the exhaust gas guiding-out pipe and the exhaust gas guiding-in pipe in a sealed mode and is controlled by an accelerator control device on one side; when the accelerator control device is loosened, the flow control device can guide exhaust gas of an appropriate amount into the exhaust gas guiding-in pipe from the exhaust gas guiding-out pipe; when the accelerator control device is loosened, engine exhaust gas is directly guided into the gas inlet pipe through a pipeline and the flow control device, and the flow control device adjusts the guiding-in amount of the exhaust gas according to the rotation speed of the accelerator control device; and power of the engine is immediately weakened along with loosening of the accelerator control device, turbine time lag is reduced and the engine is prevented against flameout.
Description
Technical field
The present invention relates to a kind of hay mover, in particular by the hay mover of exhaust gas turbocharge auxiliary device, turbine time-lag effect can be reduced.
Background technology
At present, the environmental consciousness with people strengthens, fuel-economizing and the strong electromotor of power is becoming increasingly popular, exhaust gas turbocharge electromotor becomes the main equipment on petrol engine now.But waste gas exhaust-driven turbo-charger exhaust-gas turbo charger has time-lag effect，Pressurization due to exhaust-driven turbo-charger exhaust-gas turbo charger mainly to be produced by the air inlet turbine in air intake duct，And air inlet turbine to be driven by the exhaust driven gas turbine in exhaust duct，The rotating speed of exhaust driven gas turbine is determined by engine back pressure，When driver presses suddenly throttle acceleration，Because now engine back pressure will not increase immediately，Secondary speed in exhaust-driven turbo-charger exhaust-gas turbo charger does not catch up with step and so that the pressure of supercharging can not be increased immediately，The power of electromotor can not be linearly increasing with the action of accelerator control device，Its real process is after driver presses accelerator control device suddenly，Enter with more air and fuel oil and produce higher pressure at expulsion after gas in-cylinder combustion，This pressure at expulsion drives exhaust driven gas turbine to accelerate，Due to entering、Exhaust driven gas turbine is fixedly connected，Air inlet turbine sync plus white，So that the boost pressure of air inlet raises，This process produces longer time and postpones，The generally 5-8 second；On the other hand, when driver loosens suddenly (inclusion is totally released) throttle, rotating speed due to inlet and outlet turbine will not slow down immediately with loosening of accelerator control device, admission pressure in inlet manifold and air inflow will not decline immediately so that the power of electromotor will not weaken immediately with the loosening up of accelerator control device.
Content of the invention
The primary technical problem solving of the present invention is to provide a kind of hay mover with exhaust gas turbocharge auxiliary device, it adopts exhaust gas turbocharge auxiliary device, so that the power of electromotor is weakened immediately with loosening of accelerator control device, reduce turbine time lag and electromotor will not stop working.
In order to solve above-mentioned technical problem, the present invention provides a kind of hay mover with exhaust gas turbocharge auxiliary device, hay mover is using petrolic Straddle riding type hay mover, petrol engine includes exhaust gas turbocharge auxiliary device, comprising: the discharge gas derived pipe connecting with the sealing of petrolic exhaust manifold, and the waste gas ingress pipe connecting with the petrolic air inlet seal of tube, it is sealedly connected with volume control device between discharge gas derived pipe and waste gas ingress pipe abutting end, this volume control device is controlled by the accelerator control device of side, when accelerator control device is relaxed by the state stepped on, volume control device is suitable to for appropriate waste gas to import waste gas ingress pipe from discharge gas derived pipe.
Hay mover includes walking mechanism and the grass-mowing in this walking mechanism, and described petrol engine provides hay mover walking and the whole power mowed.
Volume control device includes air valve, and the side of air valve is provided with the qcr controller controlling its aperture, and qcr controller is loosened rotating speed control by accelerator control device.
Air valve includes the valve element being snug fit in valve casing, the middle and upper part of valve casing is provided with the inlet, outlet of lateral symmetry distribution, valve core upper sleeve is provided with the sealing ring of the described inlet, outlet for sealing air valve, the top of valve element is connected with control spring with the inwall top of valve casing, spring is controlled to be suitable to push out valve element, qcr controller is suitable to drive the movement of valve element；Described inlet, outlet is connected with gas eduction tube abutting end with described gas introduction tube respectively.
Qcr controller includes little runner, it is in transmission connection by one-way clutch one between little runner and adjacent great wheel, great wheel lateral wall is provided with the slide bar of multiple radial directions, sliding sleeve is arranged with respectively on each slide bar and passes through connecting spring elastic connection between the two, the outer end of each sliding sleeve is fixedly connected with secter pat, and each secter pat centrosymmetry is distributed and constitutes a face of cylinder；The Cylindrical Surfaces Contact cooperation that the outer end of valve element is constituted with each secter pat all the time；The drivewheel of rotation coaxial with accelerator control device and little runner are in transmission connection.
With the connection end of air inlet pipe tangentially towards exhaust-driven turbo-charger exhaust-gas turbo charger on waste gas ingress pipe.
Exhaust gas turbocharge auxiliary device also includes pressure fan, and the air outlet of pressure fan is connected with the air inlet seal of tube by ajutage, and pressure fan is controlled by accelerator control device, when accelerator control device presses, pressure fan be suitable to send into appropriate outside air into ajutage.
Pressure fan includes impeller, impeller is in transmission connection by one-way clutch two with adjacent driven pulley, one end that driven pulley stretches out pressure fan air inlet is connected with capstan drive, and the air outlet of pressure fan is provided with check valve, with the connection end of air inlet pipe tangentially towards exhaust-driven turbo-charger exhaust-gas turbo charger on ajutage.
The present invention also provides a kind of method of work of above-mentioned exhaust gas turbocharge auxiliary device, namely the method reducing turbine time lag, including: when loosening accelerator control device, engine exhaust is imported directly to air inlet pipe by pipeline, volume control device, and volume control device is according to the rotational speed regulation waste gas import volume of accelerator control device；When pressing accelerator control device, pressure fan is sent into appropriate outside air in air inlet pipe according to the rotating speed of accelerator control device.
With respect to prior art, what the present invention had has the technical effect that
(1) when loosening accelerator control device, appropriate waste gas in exhaust manifold is introduced directly into air inlet pipe by discharge gas derived pipe, volume control device, waste gas ingress pipe, thus reducing the output power of electromotor immediately, reducing turbine time lag, preventing engine misses simultaneously.
(2) qcr controller can loosen, according to accelerator control device, the aperture that rotating speed controls air valve, thus adjusting the import volume of waste gas, can control, according to the various release speed of accelerator control device, the amplitude that engine power declines.
(3) in the valve element sliding process of air valve, using sealing ring and inlet, outlet registration come the aperture of adjusting air valve, control spring that valve element can be made to remain with qcr controller to be engaged, qcr controller can continuously adjust in set point by controlling the mobile range of valve element to realize exhaust gas flow simultaneously.
(4) qcr controller is realized centrifugal motion and is produced centrifugal force by slide bar, sliding sleeve and connecting spring, and drives the movement of valve element by secter pat；Power transmission function when simultaneously realizing loosening accelerator control device using one-way clutch one, between accelerator control device and secter pat, realizes the speed control valve core amount of movement according to accelerator control device and then continuously adjusts the function of exhaust gas flow in set point.
(5) waste gas ingress pipe and the connection end of air inlet pipe, tangentially towards exhaust-driven turbo-charger exhaust-gas turbo charger, can make the off-gas flows in importing air inlet pipe consistent with the normal airflow direction in air inlet pipe, prevent from interfering and cause air turbulence and form vapour lock.
(6) when pressing accelerator control device, the pressure fan being controlled by accelerator control device sends into appropriate outside air by ajutage into air inlet pipe, thus improving air inflow, lifts the output power of electromotor immediately, reduces turbine time lag.
(7) power transmission function when realizing pressing accelerator control device using one-way clutch two, between accelerator control device and impeller, presses, using accelerator control device, the air output that rotating speed controls impeller.
(8) air-flow when check valve can prevent pressure fan from not working, in air inlet pipe inversely enters in pressure fan along ajutage.
(9) ajutage and the connection end of air inlet pipe, tangentially towards exhaust-driven turbo-charger exhaust-gas turbo charger, can make the outside air in importing air inlet pipe consistent with the normal airflow direction in air inlet pipe, prevent from interfering and cause air turbulence and form vapour lock.
Brief description
For the clear explanation innovative principle of the present invention and its technical advantage compared to existing product, the non-limiting examples passing through to apply described principle below by way of accompanying drawing illustrate possible embodiment.In in figure:
Fig. 1 is the structure chart of the exhaust gas turbocharge auxiliary device of the present invention；
Fig. 2 is the air valve of the present invention and the schematic enlarged-scale view of qcr controller；
Fig. 3 is the partial enlarged drawing of the pressure fan of the present invention；
Fig. 4 is the structure chart of the one-way clutch one of the present invention；
Fig. 5 is the structure chart of the one-way clutch two of the present invention.
Specific embodiment
In accompanying drawing 1-5, the corresponding part of each reference is respectively as follows: air inlet pipe 1, exhaust-driven turbo-charger exhaust-gas turbo charger 2, inlet chamber 3, discharge chamber 4, air inlet turbine 5, exhaust driven gas turbine 6, dividing plate 7, exhaustor 8, exhaust manifold 9, inlet manifold 10, cylinder block 11, discharge gas derived pipe 12, air valve 13, waste gas ingress pipe 14, qcr controller 15, belt 1, accelerator control device 17(is i.e.: can automatically reset accelerator control spanner), drivewheel 18, belt 2 19, pressure fan 20, check valve 21, ajutage 22；Valve casing 130, blow vent 131, control spring 132, valve element 133, sealing ring 134, limited block 135, locating piece 136；Shell 150, secter pat 151, connecting spring 152, sliding sleeve 153, slide bar 154, great wheel 155, little runner 156；Casing 200, blade 201, air inlet 202, driven pulley 203, impeller 204, one-way clutch 1, one-way clutch 2 205.
Hay mover includes petrol engine，Petrol engine includes exhaust gas turbocharge auxiliary device，Exhaust-driven turbo-charger exhaust-gas turbo charger 2 includes the inlet chamber 3 being separated by dividing plate 7 and discharge chamber 4，Air inlet turbine 5 is in inlet chamber 3，Exhaust driven gas turbine 6 is in discharge chamber 4，Enter、Exhaust driven gas turbine is fixedly connected by the rotating shaft being arranged in dividing plate 7，The import of inlet chamber 3 is provided with air inlet pipe 1，The outlet of discharge chamber 4 is provided with exhaustor 8，The outlet of inlet chamber 3 is passed through inlet manifold 10 and is connected with the sealing of petrolic cylinder block 11，The entrance of discharge chamber 4 is passed through exhaust manifold 9 and is connected with cylinder block 11 sealing of electromotor，One end of discharge gas derived pipe 12 is connected with exhaust manifold 9 sealing，Its other end is connected with the air inlet sealing of air valve 13，One end of waste gas ingress pipe 14 is connected with the gas outlet seal of air valve 13，Its other end connect with sealing at inlet chamber neighbouring in air inlet pipe 1 and connectivity part waste gas ingress pipe 14 end tangentially towards inlet chamber；The air outlet of pressure fan 20 pass through ajutage 22 with air inlet pipe 1 away from inlet chamber seal connect and this connectivity part ajutage 22 end tangentially towards inlet chamber.
Drive indoor accelerator control device 17 rotate around its rotating shaft, drivewheel 18 is fixed on accelerator control device 17 adjacent to the end of rotating shaft and is rotated around the axis together with accelerator control device 17.
Air valve 13 includes valve casing 130，Air inlet and the gas outlet of lateral symmetry distribution are respectively equipped with the two side of valve casing 130，Valve element 133 is snug fit in valve casing 130，The top of valve element 133 is arranged with the sealing ring 134 for sealing air inlet and gas outlet，Pass through between the top of valve element 133 and the top inner wall of valve casing 130 to control spring 132 to be connected，The middle part lateral wall of valve element 133 is provided with limited block 135，Slipper seal cooperation between the inwall of the lateral wall of this limited block 135 and valve casing 130，The lower inner wall of valve casing 130 is provided with the locating piece 136 matching with limited block 135，The roof of valve casing 130 is provided with the blow vent 131 of balance inner and outer air pressure，During original state, valve element 133 is controlling spring 132、Under limited block 135 and locating piece 136 effect、By sealing ring 134 close into、Gas outlet；Described inlet, outlet is connected with gas eduction tube 14 abutting end with described gas introduction tube 12 respectively.
The side of air valve 13 is provided with qcr controller 15，Qcr controller 15 includes circular housing 150，Being rotatably assorted in shell 150 has great wheel 155，Little runner 156 is in transmission connection by one-way clutch 1 with adjacent great wheel 155，Its medium and small runner 156 is fixedly connected with the inner ring of one-way clutch 1，Great wheel 155 is fixedly connected with the outer ring of one-way clutch 1，Three slide bars 154 radially are fixed with the lateral wall of great wheel 155，All it is arranged with sliding sleeve 153 on each slide bar 154，The outer end of each sliding sleeve 153 has been respectively fixedly connected with a secter pat 151，Each secter pat (151) centrosymmetry distribution，Pass through connecting spring 152 elastic connection between the outer end of each slide bar 154 and the outer end of sliding sleeve 153，There is between adjacent secter pat 151 gap of setting.
The lower end of valve element 133 is curved and stretches in shell 150 by the through hole on shell 150, and the face of cylinder wall contacts that the lower end of valve element 133 is constituted with each secter pat 151 all the time coordinate；One end stretching out shell 150 of described little runner 156 is in transmission connection with drivewheel 18 by belt 1.
The air inlet of air valve 13, gas outlet and control spring 132, after setting, even if secter pat 151 drives valve element 133 mobile to extreme position, are still insufficient to allow engine misses through the exhaust gas flow of air valve 13.
Described pressure fan 20 includes casing 200，Casing 200 is provided with circular air inlet 202，Being rotatably assorted in casing 200 has impeller 204，Impeller 204 includes multiple blades 201，It is in transmission connection by one-way clutch 2 205 between driven pulley 203 and adjacent impeller 204，Wherein driven pulley 203 is fixedly connected with the inner ring of one-way clutch 2 205，Impeller 204 is fixedly connected with the outer ring of one-way clutch 2 205，The operative orientation of one-way clutch 2 205 is contrary with one-way clutch 1，The outer end of driven pulley 203 is stretched out air inlet 202 and is in transmission connection with drivewheel 18 by belt 2 19，The diameter of driven pulley 203 is less than drivewheel 18，Thus increasing the rotating speed of driven pulley 203，Air outlet in casing 200 and ajutage 22 connecting place are provided with check valve 21，To prevent air-flow from inversely flowing into pressure fan 20 from air inlet pipe 1 along ajutage 22.
The work process of exhaust gas turbocharge auxiliary device includes:
(1) when driver's rapid throttle pressure port actuation means 17, drivewheel 18 rotates counterclockwise, drivewheel 18 drives driven pulley 203 rotate counterclockwise, driven pulley 203 drives impeller 204 rotate counterclockwise by one-way clutch 2 205, impeller 204 driving blade 201 rotates, air enters ajutage 22 after air inlet 202 is inhaled into, air enters in air inlet pipe 1 through ajutage 22, thus increasing air inflow after throttle pressure port actuation means 17 immediately, thus improving the power of electromotor, the air quantity sent into by pressure fan 20 is directly proportional to the speed that presses of accelerator control device 17；On the other hand, during throttle pressure port actuation means 17, due to little runner 156 rotate counterclockwise, one-way clutch 1 not power transmission, thus air valve 13 closes its inlet, outlet.
(2) when driver loosens accelerator control device 17 rapidly, drivewheel 18 rotates clockwise, drivewheel 18 drives little runner 156 to turn clockwise, little runner 156 drives great wheel 155 to turn clockwise by one-way clutch 1, each secter pat 151 radially slides with respect to great wheel 155, secter pat 151 drives valve element 133 to overcome control spring 132 upward sliding, so that sealing ring 134 is from entering, remove at gas outlet, loosen clockwise speed during accelerator control device 17 determine into, the aperture of gas outlet, thus controlling the exhausted air quantity flowing in air inlet pipe 1 from exhaust manifold 9, the power of electromotor is made to weaken rapidly and adjust the fall of power；On the other hand, when loosening accelerator control device 17, because driven pulley 203 turns clockwise, one-way clutch 2 205 not power transmission, thus pressure fan 20 does not work.
(3) when holding or be totally released accelerator control device 17, because drivewheel 18 does not turn, air valve 13 is in closed state and pressure fan 20 does not work.Described petrol engine, is many cylinder gasoline engines, or single cylinder petrol engine.
As modifiable embodiment, described petrol engine, Diesel engine can be replaced by.Can be multi-cylinder diesel engine, or single cylinder diesel engine.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.There is no need to be exhaustive to all of embodiment.And the obvious change that the spirit that these belong to the present invention is extended out or change still in protection scope of the present invention among.
Claims (2)
1. a kind of hay mover with exhaust gas turbocharge auxiliary device, hay mover is using petrolic Straddle riding type hay mover, it is characterized in that described exhaust gas turbocharge auxiliary device includes: the discharge gas derived pipe (12) connecting with petrolic exhaust manifold (9) sealing, and seal, with petrolic air inlet pipe (1), the waste gas ingress pipe (14) connecting, it is sealedly connected with volume control device between discharge gas derived pipe (12) and waste gas ingress pipe (14) abutting end, this volume control device is controlled by the accelerator control device (17) of side, when accelerator control device (17) is relaxed by the state stepped on, volume control device is suitable to for appropriate waste gas to import waste gas ingress pipe (14) from discharge gas derived pipe (12)；
Also include: pressure fan (20), the air outlet of pressure fan (20) is passed through ajutage (22) and is connected with air inlet pipe (1) sealing, pressure fan (20) is controlled by accelerator control device (17), when accelerator control device (17) presses, pressure fan (20) be suitable to ajutage (22) into the appropriate outside air of feeding.
2. exhaust gas turbocharge auxiliary device according to claim 1, it is characterized in that: pressure fan (20) includes impeller (204), impeller (204) is in transmission connection by one-way clutch two (205) with adjacent driven pulley (203), driven pulley (203) stretches out one end of pressure fan air inlet and drivewheel (18) is in transmission connection, the air outlet of pressure fan (20) is provided with check valve (21), and ajutage (22) is upper and the connection end of air inlet pipe (1) is tangentially towards exhaust-driven turbo-charger exhaust-gas turbo charger.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442431.8A CN106368797A (en) | 2015-07-24 | 2015-07-24 | Lawn mower with exhaust gas turbo-charging auxiliary device |
| CN201810591112.7A CN108443009A (en) | 2015-07-24 | 2015-07-24 | Grass trimmer with exhaust gas turbocharge auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442431.8A CN106368797A (en) | 2015-07-24 | 2015-07-24 | Lawn mower with exhaust gas turbo-charging auxiliary device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810591112.7A Division CN108443009A (en) | 2015-07-24 | 2015-07-24 | Grass trimmer with exhaust gas turbocharge auxiliary device |
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| Publication Number | Publication Date |
|---|---|
| CN106368797A true CN106368797A (en) | 2017-02-01 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810591112.7A Pending CN108443009A (en) | 2015-07-24 | 2015-07-24 | Grass trimmer with exhaust gas turbocharge auxiliary device |
| CN201510442431.8A Pending CN106368797A (en) | 2015-07-24 | 2015-07-24 | Lawn mower with exhaust gas turbo-charging auxiliary device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810591112.7A Pending CN108443009A (en) | 2015-07-24 | 2015-07-24 | Grass trimmer with exhaust gas turbocharge auxiliary device |
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| CN (2) | CN108443009A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20070088075A (en) * | 2006-02-24 | 2007-08-29 | 현대자동차주식회사 | An intake apparatus of dissel engine |
| CN101644213A (en) * | 2008-08-06 | 2010-02-10 | 瓦锡兰瑞士有限公司 | Device for removing a waste gas partial stream and combustion engine with this device |
| WO2010116541A1 (en) * | 2009-04-10 | 2010-10-14 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| EP2280154A2 (en) * | 2009-07-30 | 2011-02-02 | MAN Nutzfahrzeuge AG | Method and device for cleaning an exhaust gas flow of a combustion engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202108584U (en) * | 2011-06-20 | 2012-01-11 | 常州天大龙成节能环保科技有限公司 | Dynamic gas supply device of a turbo supercharging diesel motor |
| CN102297030A (en) * | 2011-07-29 | 2011-12-28 | 深圳市航盛电子股份有限公司 | Electric supercharging system for automotive engines and electric supercharging method |
| CN102359413B (en) * | 2011-09-28 | 2013-03-27 | 奇瑞汽车股份有限公司 | Turbocharging system |
| CN102797572A (en) * | 2012-08-26 | 2012-11-28 | 吉林大学 | Diesel engine combustion control system and method under instantaneous working condition |
| CN202914174U (en) * | 2012-10-25 | 2013-05-01 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile turbo pressure charging device |
| CN103291469B (en) * | 2013-05-24 | 2015-10-28 | 上海交通大学 | Rotary air valve control mechanism |
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2015
- 2015-07-24 CN CN201810591112.7A patent/CN108443009A/en active Pending
- 2015-07-24 CN CN201510442431.8A patent/CN106368797A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070088075A (en) * | 2006-02-24 | 2007-08-29 | 현대자동차주식회사 | An intake apparatus of dissel engine |
| CN101644213A (en) * | 2008-08-06 | 2010-02-10 | 瓦锡兰瑞士有限公司 | Device for removing a waste gas partial stream and combustion engine with this device |
| WO2010116541A1 (en) * | 2009-04-10 | 2010-10-14 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| EP2280154A2 (en) * | 2009-07-30 | 2011-02-02 | MAN Nutzfahrzeuge AG | Method and device for cleaning an exhaust gas flow of a combustion engine |
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| Publication number | Publication date |
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| CN108443009A (en) | 2018-08-24 |
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Application publication date: 20170201 |