WO2013075793A1 - Vorrichtung zum temperieren von gegenständen - Google Patents
Vorrichtung zum temperieren von gegenständen Download PDFInfo
- Publication number
- WO2013075793A1 WO2013075793A1 PCT/EP2012/004677 EP2012004677W WO2013075793A1 WO 2013075793 A1 WO2013075793 A1 WO 2013075793A1 EP 2012004677 W EP2012004677 W EP 2012004677W WO 2013075793 A1 WO2013075793 A1 WO 2013075793A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- burner
- tunnel
- gas
- unit
- Prior art date
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/006—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber the recirculation taking place in the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
- F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/12—Vehicle bodies, e.g. after being painted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
- F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
Definitions
- the invention relates to a device for controlling the temperature of objects, in particular for drying coated vehicle bodies, having a) a tempering tunnel, which is accommodated in a housing and defines at least one tunnel section which comprises at least one air outlet and at least one air inlet; wherein b) the tunnel section is assigned a heating unit, in which by means of a burner unit, a hot primary gas can be generated; c) the hot primary gas can be conducted into a heat exchanger of the heating unit, in which tunnel air can be heated by hot primary gas, which can be supplied to the tunnel section as recirculation air stream again in a circuit via the at least one air inlet.
- the invention will be described below as an example of vehicle bodies as an object, but the invention also relates to devices for other objects which have to be tempered in a production process.
- tempering so hereby meant the bringing about a certain temperature of the object, which initially does not have this. It may be a temperature increase or a temperature decrease.
- a "tempered air” is understood to mean one which has the temperature required for temperature control of the object.
- a common in the automotive industry case of Temperie ⁇ proceedings, namely the heating of vehicle bodies is the process of drying damp vehicle bodies or drying of the coating of a vehicle body, it now states that it is a paint or an adhesive or the like. Accordingly, other moist objects than vehicle bodies or the coating of other objects can be dried.
- the following description of the invention in detail is based on the example ei ⁇ nes such a dryer for vehicle bodies .
- a burner supply device is provided, by means of which the burner unit of the heating unit exhaust air from the .Tunnelabites is fed as burner air flow for generating the primary gas to the burner unit.
- exhaust air from the tunnel section is used to generate the hot primary gas flow through which the recirculation air is heated.
- no clean ambient air is used as the burner air, but already contaminated exhaust air from the temperature control used for this purpose.
- This exhaust air is already hotter than the ambient air and therefore does not need to be heated to the same extent in the burner unit as fresh ambient air. This improves overall the energy balance of the device.
- the heating unit is set up such that the burner air to the burner unit is guided after the burner air has flowed through the heat exchanger and was heated there. In this way, the burner air reaches the burner unit at a high temperature, so that the heating of the burner air required there is again reduced.
- the heating unit comprises a distribution device, through which tunnel air from the tunnel section into the recirculation air flow and the burner air flow is divisible.
- the distributor device is arranged downstream of the heat exchanger, so that the tunnel air heated there is divided into the recirculation air flow and the burner air flow.
- the burner unit is a thermal afterburning device.
- the afterburning and thus the disposal of the solvent-containing exhaust air is integrated into the heating unit and only a portion of the air extracted from the tunnel section is recirculated as circulating air back into the tunnel section.
- the burner unit is a gas burner, in particular a surface burner.
- the burner air can be divided into primary air and secondary air, the primary air being mixed directly with the fuel gas. is mixed.
- the secondary air can then be used for other measures.
- FIG 1 is a schematic representation of a dryer with a thermal afterburner and several heating units
- Figure 2 is a more detailed view of a heating unit
- FIG. 3 schematically shows a section of the heating unit in an existing Be ⁇ rich gas burner therein.
- Figure 1 is an example of a device for temperature ⁇ Center of objects 10 schematically illustrates Darge ⁇ a dryer.
- the dryer 10 comprises a thermally insulated
- Dryer housing 12 in which a drying ⁇ tunnel 14 is housed as Temperiertunnel, conveyed through the not specifically shown motor vehicle bodies in the passage who ⁇ the.
- the dryer 10 comprises a be ⁇ known conveyor system for the vehicle bodies, which for the sake of clarity, also not specifically shown.
- the drying tunnel 14 is supplied with heated air in order to dry the vehicle bodies or a coating applied thereto.
- drying is mentioned, so that all operations are meant, in which the coating of the vehicle body, in particular a paint, can be made to cure, it is now tung substance through from ⁇ drive of solvents or by crosslinking of the coating ,
- the dryer 10 comprises a thermal post-combustion device 16 and a downstream exhaust heat exchanger 18 and a plurality of identical heating units 20, which will be discussed below.
- the thermal post-combustion device 16 is a gas burner to which exhaust air from the drying tunnel 14 is supplied via an exhaust air line 22 by means of an exhaust fan 24.
- the exhaust air from the drying tunnel 14 is mixed with fuel gas and burned the exhaust air / gas mixture thus obtained, whereby the pollutants contained in the exhaust air are made harmless ⁇ Lich.
- the treated by heating in the thermal Nachverbrennungssein ⁇ direction 16 and freed of pollutants exhaust air then passes into the exhaust air heat exchanger 18 in which is heated by the heated exhaust fresh air, which is supplied to the Ab ⁇ air heat exchanger 18 by means of a fresh air blower 26.
- This heated fresh air is then fed from the exhaust air heat exchanger 18 via fresh air supply lines 28 in the drying tunnel 14 preferably via its inlet and outlet ⁇ area.
- the temperature required for drying is measured in the dry tunnel 14 maintained by the heating units 20, which are arranged as a compact gas burner units along the drying tunnel 14 and form a burner system.
- each heating unit 20 is assigned to a space defined by the drying tunnel 14 tunnel portion T of which the drying tunnel 14 has a plurality.
- the drying tunnel 14 tunnel portion T of which the drying tunnel 14 has a plurality In the present,sbei ⁇ game six tunnel sections Tl to T6 and six associated heating units 20 are shown by way of example.
- the tunnel sections Tl to T6 are structurally not separated from each other in the present embodiment.
- Tunnel air is supplied to each of the heating units 20 through an air outlet of the associated tunnel section T designed as an outlet line 30.
- the outlet line 30 merges into a useful air line 32, in which a delivery fan 34 is arranged.
- the Nutzlufttechnisch 32 in turn leads through a heat exchanger coil 36 of a heat exchanger 38 through to a manifold 40, which divides the coming from the Nutzluft effet 32 Nutzluftstrom into a recirculation air flow and an exhaust air stream after the useful air has passed the sautau ⁇ shear 38.
- the circulating air is blown back into the associated tunnel section T of the drying tunnel 14 through an air outlet formed as an inlet line 42.
- the exhaust air is used as a burner air for a burner unit in the form of a gas ⁇ burner 44, the exhaust air is supplied as Brennerluftström a torch air conduit 46th As a gas burner 44, a surface burner has proven itself in practice, as it is known in and of itself.
- the distributor device 40 and the burner air line 46 thus form a burner supply device via which the gas burner 44 exhaust air from the associated tunnel section is supplied as a burner air flow for generating the hot primary gas.
- the gas burner 44 is supplied with the required fuel gas from a fuel gas source 48 via a fuel gas line 50.
- the volume flow of the fuel gas can be adjusted by means of a valve 52 which is arranged in the fuel gas line 50.
- the solvents in the exhaust air are largely burned, resulting in hot combustion gases as the primary gas.
- These hot combustion gases are conducted via a feed line 54 to the heat exchanger 38, where they heat the flowing through the choir (2004).chlange 36 solvent-containing useful air, which consequently flows with the temperature reached there as a solvent-containing burner air in the gas burner 44.
- the hot combustion gases of the gas burner 44 are discharged after flowing through the heat exchanger coil 36 of the heat exchanger 38 via an exhaust pipe 56 which is connected as Sammellei ⁇ device with the heat exchanger coils 36 all Schuaggre ⁇ gate 20 and at a junction in an exhaust air line 58 opens which the exhaust gases as the exhaust gases of the post-combustion device 16 discharged via roof ⁇ the.
- the distributor device 40 of a heating unit 20 can be adjustable, so that the volume flows can be adjusted, which are recirculated as circulating air back into the drying cycles. nel 14 and are guided as burner air to the gas burner 44.
- the proportion of the tunnel air diverted as burner air is of the order of magnitude of approximately 1% of the tunnel air flowing from the tunnel section T of the associated heating unit 20 into the outlet line 30.
- the Vermaschinereinrich-. Device 40 may be formed, for example, that an access opening 60 of the burner air duct 46 is arranged in the leading to the drying tunnel 14 inlet pipe 42 that a part of coming from the heat exchanger 38 through the Nutzlufttechnisch 32 useful air flows into the burner air duct 46, while the other part enters the inlet duct 32 and above it into the drying tunnel 14.
- the heat exchanger coil 36 of the heat exchanger 38 may be formed as a tube bundle 62 through which the hot combustion gases of the gas burner 44, the combustion chamber is denoted by 64.
- the hot combustion gases from the combustion chamber 64 enter the individual tubes of the tube bundle 62 which are not specifically designated by a reference numeral 62, flow through them before the drawing plane and enter the exhaust line 56 via a collecting line 66.
- FIG. 68 designates a gas nozzle, which is supplied with fuel gas via the fuel gas line 50, which is indicated by an arrow in FIG. 3, and injects this into the combustion chamber 64.
- the burner air first passes via the burner air line 46 into a combustion chamber antechamber 70, from where it passes via a swirl body 72 into a mixing zone 74 of the gas burner 44. flows, which surrounds the discharge opening of the gas nozzle 68.
- the burner air is mixed prior to entry into the mixing zone 74 in swirl, which specifically turbulence and turbulence are generated in order to promote the inter ⁇ mixing of the burner air and the fuel gas.
- the swirler 72 for example, Strömungskanä ⁇ le or wing elements comprise, through which the burner air is displaced when flowing through the swirler 72 in swirl.
- the annular space 78 is also connected via an annular gap 84 with the combustion chamber 64 of the gas burner 44 in connection.
- a flue gas recirculation in the form of an annular nozzle 86 is formed according to the Venturi principle in the annular space 78.
- a suction effect is at the annular gap 84 obtained through which the flue gas is sucked from the Brennkam ⁇ mer 64 of the gas burner 44 in the annular space 78 where the flue gas mixed with the kom ⁇ Menden from the swirler 70 secondary gas.
- the reduction of the nitrogen oxides NO x by the division of the mixing zone 74 into the core region 76 and the annular space 78 with the flue gas recirculation 86 is achieved in the gas burner 44.
- the oxygen content in the secondary air / flue gas mixture, which arises in the annulus 78, is less than the oxygen content of the secondary air before mixing.
- the flue gas recirculation also the secondary air is heated and cooled the flue gas led gurge ⁇ ; the secondary air / flue gas mixture has a corresponding mean temperature.
- the combustion in the core region 76 is first understö- stoichiometrically, so that for instance not all carbon monoxide initially generated CO oxidized by the supplied through the primary air oxygen 0 2 to carbon dioxide C0 2, and in the ent ⁇ stationary combustion gases or carbon monoxide CO is contained.
- the secondary air / flue gas mixture with a reduced Oxygen content after flowing through the annular space 78, reaches the edge area of the core area 76, where it mixes with the combustion gases formed in the core area 76 of primary air and fuel gas.
- the secondary air / flue gas mixture serves as an oxygen supplier for the remaining carbon monoxide CO, which is now oxidized completely to CO2 at a relatively low temperature, with only small amounts of nitrogen monoxide NO being formed, so that subsequently only a few nitrogen oxides NO x be generated.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280057491.2A CN103946655B (zh) | 2011-11-25 | 2012-11-10 | 用于对物体调温的装置 |
BR112014010098A BR112014010098A8 (pt) | 2011-11-25 | 2012-11-10 | dispositivo para o controle de temperatura de objetos |
US14/360,331 US9410741B2 (en) | 2011-11-25 | 2012-11-10 | Device for controlling the temperature of objects |
RU2014119420A RU2641869C2 (ru) | 2011-11-25 | 2012-11-10 | Устройство для термостатирования предметов |
EP12797692.6A EP2783177B1 (de) | 2011-11-25 | 2012-11-10 | Vorrichtung zum temperieren von gegenständen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011119436.7 | 2011-11-25 | ||
DE102011119436.7A DE102011119436B4 (de) | 2011-11-25 | 2011-11-25 | Vorrichtung zum Temperieren von Gegenständen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013075793A1 true WO2013075793A1 (de) | 2013-05-30 |
Family
ID=47297079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/004677 WO2013075793A1 (de) | 2011-11-25 | 2012-11-10 | Vorrichtung zum temperieren von gegenständen |
Country Status (7)
Country | Link |
---|---|
US (1) | US9410741B2 (de) |
EP (1) | EP2783177B1 (de) |
CN (1) | CN103946655B (de) |
BR (1) | BR112014010098A8 (de) |
DE (1) | DE102011119436B4 (de) |
RU (1) | RU2641869C2 (de) |
WO (1) | WO2013075793A1 (de) |
Families Citing this family (14)
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DE102011119436B4 (de) * | 2011-11-25 | 2020-08-06 | Eisenmann Se | Vorrichtung zum Temperieren von Gegenständen |
DE102015102955B4 (de) * | 2015-03-02 | 2017-03-23 | Sturm Maschinen- & Anlagenbau Gmbh | Verfahren und Anlage zur Oberflächenbehandlung eines Werkstückes |
DE102015003856A1 (de) * | 2015-03-26 | 2016-09-29 | Eisenmann Se | Vorrichtung zur Temperierung von Gegenständen |
DE102015214706A1 (de) | 2015-07-31 | 2017-02-02 | Dürr Systems Ag | Behandlungsanlage und Verfahren zum Behandeln von Werkstücken |
DE102015214711A1 (de) | 2015-07-31 | 2017-02-02 | Dürr Systems Ag | Behandlungsanlage und Verfahren zum Behandeln von Werkstücken |
DE102015224916A1 (de) * | 2015-12-10 | 2017-06-14 | Dürr Systems Ag | Behandlungsanlage und Verfahren zum Behandeln von Werkstücken |
DE102016001893A1 (de) * | 2016-02-17 | 2017-08-17 | Eisenmann Se | Brennereinheit und Vorrichtung zum Temperieren von Gegenständen |
DE102016114466A1 (de) * | 2016-08-04 | 2018-02-08 | Eisenmann Se | Konditioniervorrichtung und Verfahren zum Konditionieren eines gasförmigen Mediums sowie Anlage und Verfahren zum Behandeln von Werkstücken |
DE102016125060B4 (de) * | 2016-12-21 | 2023-02-16 | Eisenmann Gmbh | Vorrichtung zum Temperieren von Gegenständen |
CN106679174B (zh) * | 2016-12-29 | 2023-09-08 | 广东工业大学 | 高温热风炉 |
DE102017105094A1 (de) | 2017-03-10 | 2018-09-13 | Eisenmann Se | Temperiervorrichtung für oberflächenbehandelte Gegenstände wie Fahrzeugteile |
WO2018204853A1 (en) | 2017-05-05 | 2018-11-08 | Badri Amurthur | Stimulation methods and apparatus |
DE102020201704A1 (de) * | 2020-02-11 | 2021-08-12 | Dürr Systems Ag | Temperieranlage |
CN116576631B (zh) * | 2023-06-13 | 2023-09-05 | 河北乐开机械制造有限公司 | 一种结晶糖醇流化干燥装置 |
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- 2011-11-25 DE DE102011119436.7A patent/DE102011119436B4/de not_active Expired - Fee Related
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2012
- 2012-11-10 BR BR112014010098A patent/BR112014010098A8/pt not_active IP Right Cessation
- 2012-11-10 WO PCT/EP2012/004677 patent/WO2013075793A1/de active Application Filing
- 2012-11-10 EP EP12797692.6A patent/EP2783177B1/de not_active Not-in-force
- 2012-11-10 US US14/360,331 patent/US9410741B2/en not_active Expired - Fee Related
- 2012-11-10 RU RU2014119420A patent/RU2641869C2/ru not_active IP Right Cessation
- 2012-11-10 CN CN201280057491.2A patent/CN103946655B/zh active Active
Patent Citations (6)
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DE2538413A1 (de) * | 1975-08-29 | 1977-03-10 | Duerr O Fa | Anlage zur verbrennung von schadstoffe enthaltender abluft, z.b. aus einer trocknungskammer o.dgl. |
US4670994A (en) * | 1985-02-13 | 1987-06-09 | Toyota Motor Corporation | Method for heating a hot air circulating-type of furnace for baking and drying coatings on articles |
DE3717320C1 (de) * | 1987-05-22 | 1988-07-14 | Lingl Anlagenbau | Tunnelofen zum Brennen von Leichtziegeln mit hohem Anteil an verbrennbaren und vergasbaren Bestandteilen |
DE102008012792A1 (de) * | 2008-03-05 | 2009-09-10 | Eisenmann Anlagenbau Gmbh & Co. Kg | Trockner für Lackieranlage |
EP2295909A1 (de) * | 2009-09-10 | 2011-03-16 | Crone, Fokko | Verfahren zur effizienten Nutzung der Heißluftströme in einem Trockner-System, insbesondere für eine Fahrzeug-Lackiererei |
DE102010006550A1 (de) * | 2010-02-01 | 2011-08-04 | Eisenmann Ag, 71032 | Vorrichtung zum Trocknen von Gegenständen |
Also Published As
Publication number | Publication date |
---|---|
EP2783177B1 (de) | 2017-09-20 |
DE102011119436B4 (de) | 2020-08-06 |
BR112014010098A8 (pt) | 2017-10-10 |
RU2641869C2 (ru) | 2018-01-22 |
US9410741B2 (en) | 2016-08-09 |
BR112014010098A2 (pt) | 2017-06-13 |
EP2783177A1 (de) | 2014-10-01 |
US20140352169A1 (en) | 2014-12-04 |
RU2014119420A (ru) | 2015-11-20 |
DE102011119436A1 (de) | 2013-05-29 |
CN103946655B (zh) | 2016-06-01 |
CN103946655A (zh) | 2014-07-23 |
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