CN202187811U - Novel combined automobile engine silencing purifier - Google Patents
Novel combined automobile engine silencing purifier Download PDFInfo
- Publication number
- CN202187811U CN202187811U CN2011202972495U CN201120297249U CN202187811U CN 202187811 U CN202187811 U CN 202187811U CN 2011202972495 U CN2011202972495 U CN 2011202972495U CN 201120297249 U CN201120297249 U CN 201120297249U CN 202187811 U CN202187811 U CN 202187811U
- Authority
- CN
- China
- Prior art keywords
- noise elimination
- shell
- liquid tank
- inner casing
- porous
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a novel combined automobile engine silencing purifier which comprises an adsorption filtering part, a three-way catalytic purifying part and a liquid storage tank. The adsorption filtering part comprises an exhausting impeller, a waste gas exhausting turbine, a spiral flue, a hollow spindle, an inner casing, an outer casing, a porous ceramic filter disc, an electric resistance heater and a guide sealing cover. The exhausting impeller is arranged at the front end of a front supporting plate of the outer casing; the waste gas exhausting turbine is connected with the front end of the hollow spindle; the guide sealing cover is welded behind a front supporting plate of the outer casing; the waste gas exhausting turbine is installed behind the guide sealing cover and connected with the hollow spindle; a silencing cavity is formed between the inner casing and the outer casing; and the silencing cavity is separated by a silencing baffle. The novel combined automobile engine silencing purifier adopts the energy of tail gas discharged by an automobile and the kinetic energy of the driving automobile to work, provides power for secondary oxygen supply screening gas, reduces the noise energy level of the tail gas, and achieves the purposes of sound elimination, noise reduction and dust removal. The service life is prolonged, and the tail gas purifying standard is improved. The structure is simple, the purifier is convenient and practical, the cost is low, and the purifying efficiency is good.
Description
Technical field
The utility model relates to a kind of silencing apparatus, relates in particular to a kind of novel combination type motor car engine silencing purifier.
Background technique
Existing silencing apparatus adopts repeatedly expand switching-over motion of tail gas more, reduces temperature, reduces kinetic energy, and reduces the decibel intensity of noise through sound absorption, muffler material.But not acting of tail gas energy consumption, not purification.And installed the vehicle of ternary catalyst purifier in addition additional, because of purifier has consumed precious metal and rare metal then costs an arm and a leg.And activator be prone to block, and is difficult for regeneration and increased cost, and tail gas is not recycled, and resources loss destroys environment again, does not have economic benefit.
Summary of the invention
The purpose of the utility model is: a kind of noise, cleaning of off-gas, simple in structure, convenient and practical, novel combination type motor car engine silencing purifier that cost is low of reducing is provided.
The utility model is realized through following scheme: comprise that adsorption filtration portion, three-way emission control portion, liquid tank and control circuit constitute; Adsorption filtration portion constitutes with impeller, exhausting waste gas turbine, spiral flue and hollow spindle, porous noise elimination inner casing, shell, porous ceramics filter sheet and resistance heater, pilot seal cover by bleeding; The impeller of bleeding is arranged at the preceding support plate front end of shell, and the exhausting waste gas turbine is connected with front-end of spindle, and support plate is welded with the pilot seal cover at the back before the shell, and the exhausting waste gas whirlpool is installed in pilot seal cover back, and is connected with main shaft; The main shaft two ends are connected with the front and back support plate at bearing and shell two ends, and porous noise elimination inner casing is arranged in the shell, forms noise elimination cavity between porous noise elimination inner casing and the shell
,Separate with the noise elimination baffle plate in the middle of the noise elimination cavity; Hollow spindle and porous noise elimination inner casing that the band helical blade is set in the porous noise elimination inner casing form the spiral flue jointly, and the front end of main shaft is connected with impeller outside shell, and end is connected with auxiliary motor outside shell; Adsorption filtration portion afterbody forms filtering cavity, and ceramic filter is set in the filtering cavity, and the three-way emission control portion that is connected between adsorption filtration portion and the liquid tank is a tubular cylinder, inner encapsulation one oxidation-reduction type ternary catalyzing unit; Liquid tank is a cylindrical body; Be divided into the upper and lower; Connect with the flange screw, upper cover upper forepart, middle part and afterbody offer three different circular hole pipelines in aperture respectively and form: the front end perforate is the subsidiary conduit interface that steam outlet pipe, afterbody that gas inlet pipeline, middle part perforate are provided with Non-return air valve are provided with the ozone-air generator; Be equipped with above the filtering cavity end through the recloser bypass valve be connected in the filtering cavity front end, an end is connected in the bypass arm on the gas inlet pipeline; On the liquid tank lower inner wall, be welded with an annular porous pallet in order to the dress alkaline reactant, U type ceramic filter tube is equipped with in the liquid tank bottom, and an end is connected with the gas inlet pipeline, and the other end is connected with the ozone-air G-interface.
The utility model is equipped with first temperature transducer and first pressure transducer in the ternary catalyzing unit front portion; Second temperature transducer and second pressure transducer are housed at its rear portion; The smoke density sensor is equipped with at filtering cavity rear portion in adsorption filtration portion; First temperature transducer and first pressure transducer, second temperature transducer and second pressure transducer, smoke density sensor output terminal connect the corresponding data-in port of electronic computer CPU respectively; Electronic computer CPU connects the corresponding tutorial light first TEMP tutorial light, the second TEMP tutorial light, pipe blocking tutorial light and excessive concentration tutorial light respectively; The normal open switch and the bypass valve of electronic computer CPU one control delivery outlet serial connection circuit breaker detect temperature when too high, unlatching bypass valve in order to control when first temperature transducer.
The utility model has been set up motor and has been connected with starting motor of automobile, connects the electricity operation by automobile ignition switch control, and behind automobile starting, cutting off the power supply stops, and motor output shaft connects main shaft.
The tail end of the said filtering cavity of the utility model is provided with resistance heater.
The said outer casing bottom of the utility model is provided with a plurality of holes, and its relevant position is provided with movable dismountable storage ash-pit.
The said liquid tank afterbody of the utility model is provided with and is connected the ozone-air generator with the subsidiary conduit interface.
The utlity model has following characteristics: 1, utilize the kinetic energy acting of the tail gas energy and the automobile running of motor vehicle emission, the power of secondary oxygen supply screening gas is provided, reduced the noise energy level of tail gas, reach noise elimination noise reduction, the purpose of dedusting.2, accelerated oxidation is reduced into C0 in the three-element catalytic chamber through tail gas after the secondary oxygen supply
2, N0
2And H
20 gas, and active through work automatic control in three-element catalytic chamber is reached effective protection active substance, prolong the standard that operating life improves cleaning of off-gas.3, discharge tail gas is up to standard, contains a large amount of greenhouse gases C0
2And some toxic thing, in liquid tank, further carry out chemical reaction and generate a kind of new nuisanceless material, recyclable utilization, thus reach the purpose that energy-saving and emission-reduction increase economic benefit.4, simple in structure, convenient and practical, cost is low, good purification.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model control circuit schematic representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
The utility model comprises that adsorption filtration portion, three-way emission control portion, liquid tank and control circuit constitute.
Adsorption filtration portion is noise elimination, noise reduction, the harmful components in secondary oxidation oxygen, screening tail gas and the adsorption filtration tail gas is provided that it is mainly physical reactions.Adsorption filtration portion is made up of porous noise elimination inner casing 4, shell 5, porous ceramics filter sheet 19 and wire netting resistance heater 6, pilot seal cover 7, the suction port 8 of bleeding with impeller 1, exhausting waste gas turbine 2, spiral flue 18 and hollow spindle 3, band noise reduction baffle plate.The impeller 1 of bleeding is arranged at shell 5 preceding support plate front ends, and exhausting waste gas turbine 2 usefulness keys are connected with main shaft 3 front ends, and fix with screw.Support plate is welded with pilot seal cover 7 at the back before the shell 5, and exhausting waste gas turbine 2 is installed in pilot seal cover 7 back, is connected with main shaft 3 with key.Main shaft 3 two ends are connected with the front and back support plate of bearing with shell 5 two ends.Porous noise elimination inner casing 4 is arranged in the shell 5, forms noise elimination cavity 22 between porous inner casing 4 and the shell 5
,Separate the acoustic attenuation zone that then forms 2 different frequencies with noise elimination baffle plate 20 in the middle of the noise elimination cavity 22.The hollow spindle 3 and the porous noise elimination inner casing 4 common spiral flues 18 that form of band helical blade are set in the porous noise elimination inner casing 4, and the front end of main shaft 3 is connected with impeller 1 outside shell 5, and end is connected with auxiliary motor 21 outside shell 5.Shell 5 bottoms are provided with a plurality of holes, and its relevant position is provided with movable dismountable storage ash-pit 11.Adsorption filtration portion afterbody forms filtering cavity, and porous ceramics filter sheet 19 is set in the filtering cavity, and the tail end of filtering cavity is provided with resistance heater 6, so that the particle that traps is burnt it to " burning-point " temperature through resistive heater heats.The three-element catalytic evolution portion that is connected between adsorption filtration portion and the liquid tank is a tubular cylinder; Inner encapsulation one oxidation-reduction type ternary catalyzing unit 9; The first temperature transducer T1 and the first pressure transducer P1 are housed in ternary catalyzing unit 9 front portions, the second temperature transducer T2 and the second pressure transducer P2 are housed at its rear portion.At the filtering cavity rear portion of adsorption filtration portion smoke density sensor Y is housed.The first temperature transducer T1 and the first pressure transducer P1, the second temperature transducer T2 and the second pressure transducer P2, smoke density sensor Y output terminal connect the corresponding data-in port of electronic computer CPU respectively; Electronic computer CPU meets the corresponding tutorial light first TEMP tutorial light DF1, the second TEMP tutorial light DF2, pipe blocking tutorial light DP and excessive concentration tutorial light DY respectively; Normal open switch J1-1 and the bypass valve 10 of electronic computer CPU one control delivery outlet serial connection circuit breaker J detect temperature when too high, unlatching bypass valve 10 in order to control as the first temperature transducer T1.Motor 21 is connected with starting motor of automobile, connects the electricity operation by the control of automobile point switch, and behind automobile starting, cutting off the power supply stops.Motor 21 output shafts connect main shaft 3.
Through the tail gas after purifying, its Main Ingredients and Appearance is NO
2, CO
2, H
20; Getting into liquid tank 12 liquid tanks 12 through piping is to take turns the form of the foetus cylindrical body; Be divided into the upper and lower; Connect with the flange screw, open front portion, middle part and afterbody on the upper cover and offer three different circular hole pipelines in aperture respectively and form: the front end perforate is the subsidiary conduit interface 15 that steam outlet pipe 14, afterbody that gas inlet pipeline 13, middle part perforate are provided with Non-return air valve 25 are provided with ozone-air generator 23.Be equipped with above the filtering cavity end through recloser bypass valve 10 be connected in the filtering cavity front end, an end is connected in the bypass arm 24 on the gas inlet pipeline 13.On liquid tank 12 lower inner wall, be welded with an annular porous pallet 16 in order to the dress alkaline reactant, to keep the optium concentration of akaline liquid.U type ceramic filter tube 17 is equipped with in liquid tank 12 bottoms, is connected with gas inlet pipeline 13 with flange screw one end, and an end is connected with ozone-air G-interface 15.
The working procedure of the utility model is following:
When automobile starting, when opening ignition switch, motor moment connects electricity and drives the main axis rotation acting.In the vehicle traveling process, each sensor carries out the detection of relevant temperature, pressure and smoke density, and carries out command adapted thereto through electronic computer CPU.For example the first temperature transducer T1 detected temperatures is too high; The first TEMP tutorial light DF1 lamp is bright; For protection three-element catalytic active substance is not sintered, electronic computer CPU indication bypath valve is opened, and overheated gas is discharged from bypath system; Reduced temperature, then system runs well again and closes bypass valve.To detect exhaust temperature low excessively as the second temperature transducer T2; It is bright that then electronic computer CPU indicates the second TEMP tutorial light DF2 lamp; The ternary catalyzing unit active substance is not worked; Then electronic computer CPU computer control metallic resistance silk 6 connects electric heating, makes exhaust temperature rise to critical field, and system is normal operation again.When detecting pottery, metallic resistance silk filter sheet, smoke density sensor Y captures carbon soot particles concentration when reaching the finite concentration value; Cigarette propagated sensation sensor gives the alarm and sends instruction through computer; DY is bright for electronic computer CPU control excessive concentration tutorial light; Control metallic resistance wire connection electric heating simultaneously to improving temperature, particle is burnt to " burning-point ".
When the first pressure transducer P1, the detected pressure value difference of the second pressure transducer P2 in setting range, show that ternary catalyzing unit is in proper working order, pipeline is unimpeded; Pipe blocking tutorial light DP is not luminous; Otherwise, showing pipe blocking, pipe blocking tutorial light DP lamp is bright; Then bypath system is open like total blockage, and indication is changed repairing to three-element catalytic 2S.
Ternary catalyzing unit, preceding catalyst converter lay particular emphasis on oxidized form then catalyst converter lay particular emphasis on reducibility, can reach row up to standard after the purified treatment of vehicle exhaust through preceding adsorption filtration, three-element catalytic two large divisions and send out.
The tail gas of qualified discharge gets into liquid tank, tail gas in the U-shaped screen pipe with the further mixing of ozone-air can disappear toxic substance and C0 in the tail gas extremely
2Greenhouse gases further carry out chemical reaction with alkali matter and generate nuisanceless material in liquid tank, like CaC0
3Reach the purpose of energy-saving and emission-reduction.
Claims (6)
1. a novel combination type motor car engine silencing purifier is characterized in that: comprise that adsorption filtration portion, three-way emission control portion and liquid tank constitute; Adsorption filtration portion constitutes with impeller, exhausting waste gas turbine, spiral flue and hollow spindle, porous noise elimination inner casing, shell, porous ceramics filter sheet and resistance heater, pilot seal cover by bleeding; The impeller of bleeding is arranged at the preceding support plate front end of shell, and the exhausting waste gas turbine is connected with front-end of spindle, and support plate is welded with the pilot seal cover at the back before the shell, and the exhausting waste gas whirlpool is installed in pilot seal cover back, and is connected with main shaft; The main shaft two ends are connected with the front and back support plate at bearing and shell two ends, and porous noise elimination inner casing is arranged in the shell, forms noise elimination cavity between porous noise elimination inner casing and the shell
,Separate with the noise elimination baffle plate in the middle of the noise elimination cavity; Hollow spindle and porous noise elimination inner casing that the band helical blade is set in the porous noise elimination inner casing form the spiral flue jointly, and the front end of main shaft is connected with impeller outside shell, and end is connected with auxiliary motor outside shell; Adsorption filtration portion afterbody forms filtering cavity, and ceramic filter is set in the filtering cavity, and the three-element catalytic evolution portion that is connected between adsorption filtration portion and the liquid tank is a tubular cylinder, inner encapsulation one oxidation-reduction type ternary catalyzing unit; Liquid tank is a cylindrical body; Be divided into the upper and lower; Connect with the flange screw, upper cover upper forepart, middle part and afterbody offer three different circular hole pipelines in aperture respectively and form: the front end perforate is that steam outlet pipe, the afterbody that gas inlet pipeline, middle part perforate are provided with Non-return air valve is provided with the subsidiary conduit interface; Be equipped with above the filtering cavity end through the recloser bypass valve be connected in the filtering cavity front end, an end is connected in the bypass arm on the gas inlet pipeline; On the liquid tank lower inner wall, be welded with an annular porous pallet in order to the dress alkaline reactant, U type ceramic filter tube is equipped with in the liquid tank bottom, and an end is connected with the gas inlet pipeline, and the other end is connected with the ozone-air G-interface.
2. novel combination type motor car engine silencing purifier according to claim 1; It is characterized in that: first temperature transducer and first pressure transducer are housed in the ternary catalyzing unit front portion; Second temperature transducer and second pressure transducer are housed at its rear portion; The smoke density sensor is equipped with at filtering cavity rear portion in adsorption filtration portion; First temperature transducer and first pressure transducer, second temperature transducer and second pressure transducer, smoke density sensor output terminal connect the corresponding data-in port of electronic computer CPU respectively; Electronic computer CPU connects the corresponding tutorial light first TEMP tutorial light, the second TEMP tutorial light, pipe blocking tutorial light and excessive concentration tutorial light respectively; The normal open switch and the bypass valve of electronic computer CPU one control delivery outlet serial connection circuit breaker detect temperature when too high, unlatching bypass valve in order to control when first temperature transducer.
3. novel combination type motor car engine silencing purifier according to claim 1 and 2; It is characterized in that: have additional motor and connect with starting motor of automobile; Connect the electricity operation by automobile ignition switch control, behind automobile starting, cutting off the power supply stops, and motor output shaft connects main shaft.
4. novel combination type motor car engine silencing purifier according to claim 1 and 2, it is characterized in that: the tail end of filtering cavity is provided with resistance heater.
5. novel combination type motor car engine silencing purifier according to claim 1 and 2, it is characterized in that: outer casing bottom is provided with a plurality of holes, and its relevant position is provided with movable dismountable storage ash-pit.
6. novel combination type motor car engine silencing purifier according to claim 1 and 2 is characterized in that: the setting of liquid tank afterbody is connected the ozone-air generator with the subsidiary conduit interface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202972495U CN202187811U (en) | 2011-08-16 | 2011-08-16 | Novel combined automobile engine silencing purifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202972495U CN202187811U (en) | 2011-08-16 | 2011-08-16 | Novel combined automobile engine silencing purifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202187811U true CN202187811U (en) | 2012-04-11 |
Family
ID=45919270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202972495U Expired - Fee Related CN202187811U (en) | 2011-08-16 | 2011-08-16 | Novel combined automobile engine silencing purifier |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202187811U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105201605A (en) * | 2015-10-29 | 2015-12-30 | 苏州莲池环保科技发展有限公司 | Automobile three-way catalyst |
CN105257376A (en) * | 2015-10-29 | 2016-01-20 | 苏州莲池环保科技发展有限公司 | Screw type automobile three-way catalyst |
CN107044327A (en) * | 2017-03-28 | 2017-08-15 | 广西柳州方益建筑工程有限公司 | One kind scrapes grey blast pipe |
CN108979815A (en) * | 2018-06-29 | 2018-12-11 | 广西康纳环保有限公司 | A kind of automotive silencing clarifier |
US11274583B1 (en) | 2019-11-05 | 2022-03-15 | Sonix Enterprises Inc. | Internal combustion engine exhaust modification system |
US11591941B2 (en) | 2019-11-05 | 2023-02-28 | Sonix Enterprises Inc. | Internal combustion engine exhaust modification system |
-
2011
- 2011-08-16 CN CN2011202972495U patent/CN202187811U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105201605A (en) * | 2015-10-29 | 2015-12-30 | 苏州莲池环保科技发展有限公司 | Automobile three-way catalyst |
CN105257376A (en) * | 2015-10-29 | 2016-01-20 | 苏州莲池环保科技发展有限公司 | Screw type automobile three-way catalyst |
CN107044327A (en) * | 2017-03-28 | 2017-08-15 | 广西柳州方益建筑工程有限公司 | One kind scrapes grey blast pipe |
CN108979815A (en) * | 2018-06-29 | 2018-12-11 | 广西康纳环保有限公司 | A kind of automotive silencing clarifier |
CN108979815B (en) * | 2018-06-29 | 2020-05-08 | 深圳康纳环保有限公司 | Automobile silencing purifier |
US11274583B1 (en) | 2019-11-05 | 2022-03-15 | Sonix Enterprises Inc. | Internal combustion engine exhaust modification system |
US11591941B2 (en) | 2019-11-05 | 2023-02-28 | Sonix Enterprises Inc. | Internal combustion engine exhaust modification system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202187811U (en) | Novel combined automobile engine silencing purifier | |
CN203783702U (en) | Improved and combined type noise-abatement purifier for automobile engine | |
CN208040487U (en) | Tail gas from diesel electric generator grain catcher | |
CN102449277A (en) | Exhaust gas treatment device for diesel engine | |
CN201354668Y (en) | Engine tail gas purification muffler | |
CN207194998U (en) | A kind of exhaust-gas purifier for automobile | |
CN203285519U (en) | Novel purification system for aftertreatment of automobile exhaust | |
CN208564700U (en) | A kind of marine diesel DPF, SCR intelligent integral smoke discharging and purifying device | |
JP2007187136A (en) | Particulate matter removing device, and particulate matter removing method | |
CN108031286A (en) | A kind of automobile tail gas catalytic cleaner | |
CN110375357B (en) | Range hood and control method thereof | |
CN106351715B (en) | A kind of cold start-up automobile exhaust purifier | |
CN210441228U (en) | Heat accumulating type incinerator | |
CN110295987A (en) | A kind of enclosed tail gas controller of anti-explosion diesel engine for mine | |
CN113356970B (en) | Air intake and exhaust system for removing dust of national six-GPF (general purpose power factor filter) of engine and control method of air intake and exhaust system | |
CN115355074A (en) | DPF regeneration device and method based on combination of throttle valve control and vortex tube heating | |
CN210134988U (en) | Tail gas purifier for forklift | |
CN100379953C (en) | Muffler of motor vehicle for exhaust gas purification | |
CN201354667Y (en) | Engine tail gas purification muffler | |
CN212618373U (en) | Organic waste gas staged catalytic combustion device | |
CN219242030U (en) | Muffler and engine | |
CN213872732U (en) | Catalytic combustion furnace | |
CN109356686B (en) | Tail gas black smoke purifier for diesel engine | |
CN205779143U (en) | Harmful gas purifier | |
CN203879581U (en) | Fume exhaust purifying equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20140816 |
|
EXPY | Termination of patent right or utility model |