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EP2606214A1 - Centrale stationnaire, notamment centrale au gaz pour la production de courant électrique - Google Patents

Centrale stationnaire, notamment centrale au gaz pour la production de courant électrique

Info

Publication number
EP2606214A1
EP2606214A1 EP12702762.1A EP12702762A EP2606214A1 EP 2606214 A1 EP2606214 A1 EP 2606214A1 EP 12702762 A EP12702762 A EP 12702762A EP 2606214 A1 EP2606214 A1 EP 2606214A1
Authority
EP
European Patent Office
Prior art keywords
power plant
internal combustion
working medium
combustion engine
heat
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.)
Withdrawn
Application number
EP12702762.1A
Other languages
German (de)
English (en)
Inventor
Jens Grieser
Jürgen Berger
Stephan Bartosch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SteamDrive GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2606214A1 publication Critical patent/EP2606214A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/08—Anti-ageing preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/065—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/10—Engines with prolonged expansion in exhaust turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D10/00—District heating systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/87—Application Devices; Containers; Packaging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/26—Internal combustion engine
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/17—District heating
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • 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

Definitions

  • Stationary power plant in particular gas power plant, for power generation
  • the present invention relates to a stationary power plant for power generation, in particular a gas power plant, in detail according to the preamble of
  • the power plant is designed as a combined heat and power plant (CHP) with a combined heat and power.
  • CHP combined heat and power plant
  • Power plants are generally modular systems for the production of electrical energy and preferably heat that can be operated, for example, directly at the place of heat consumption or can feed useful heat into a district heating network or district heating network. Their mode of operation is based on the principle of combined heat and power.
  • an internal combustion engine into consideration, preferably a diesel or gas engine.
  • Embodiments with a gas turbine are also known.
  • US 2007/0007771 AI describes an internal combustion engine whose waste heat is used in a steam cycle with a turbine and a condenser.
  • the turbine drives a generator.
  • the present invention is based on the object, a stationary power plant of the type mentioned in terms of efficiency and the
  • An inventive stationary power plant which is designed in particular as a gas power plant, is used to generate electricity and has an internal combustion engine, by means of which an electric generator is driven.
  • Internal combustion engine has a combustion medium inlet and a Exhaust outlet on. At the combustion medium inlet is a
  • Combustion medium supply in particular gas supply, connected to the combustion medium, in particular gas> via the combustion medium inlet into the combustion chamber, in particular in the form of one or more
  • An exhaust gas stream of the internal combustion engine is discharged via the exhaust gas outlet, the exhaust gas stream containing waste heat.
  • the electric generator which is driven by the internal combustion engine, is coupled to a power grid or coupled to such a power supply to feed the electricity generated by it into this power grid.
  • rectifier or converter or other electrical components can be provided between the generator and the power grid.
  • Cooling water flow cooled, wherein the heat transfer medium waste heat of the engine is supplied.
  • the waste heat of the internal combustion engine can be directly transferred to the heat transfer stream in the internal combustion engine itself, in particular within the engine housing, and / or be withdrawn from the exhaust gas flow generated by the internal combustion engine and the
  • Heat transfer stream are supplied, for example via a heat exchanger in the exhaust stream.
  • the heat absorbed by the heat transfer heat of the engine is then a district heating network, local heating network,
  • the steam cycle includes a heat exchanger arranged in the exhaust gas flow, by means of which waste heat of the exhaust gas flow for the partial or complete evaporation of the Working medium is transferred to the working medium.
  • Heat exchangers could therefore also be called evaporators.
  • the steam cycle comprises a Hubkolbenexpander, in which the
  • the Hubkolbenexpander can also be coupled to a second additional electrical generator.
  • the coupling of the Hubkolbenexpanders to the internal combustion engine and / or the electric generator, which is driven by the internal combustion engine, is advantageously made by means of a releasable coupling. This allows that in case of problems in the steam cycle or the Hubkolbenexpander the clutch can be easily solved, so that the power plant can continue to operate as before without additional waste heat. Accordingly, the availability of the power plant is not limited. Furthermore, it is possible, without availability restrictions, the maintenance intervals of the steam cycle or the Hubkolbenexpanders regardless of the
  • the reciprocating piston expander has a crankshaft which is connected to a crankshaft of the internal combustion engine, in particular directly via the clutch.
  • the internal combustion engine is advantageously designed as a gas engine, wherein this gas is then supplied via a gas supply at the combustion medium inlet, in particular together with air, as a combustion medium.
  • the working medium of the steam cycle is water or a water mixture.
  • the heat transfer stream which is used for cooling of the internal combustion engine, at the same time the working medium of the steam cycle and in particular at the same time in the heat utilization system in a closed circuit or open current guided medium.
  • the heat of condensation of the working medium of the steam cycle is the heat transfer stream via a heat exchanger, in this case as the second
  • a working medium reservoir may be provided to compensate for leaks and / or volume fluctuations of the working medium.
  • the working medium reservoir is designed as a container through which the working medium flows, that is, with a
  • the internal combustion engine and the reciprocating piston expander advantageously operate at the same speed level, in particular the drive shafts run
  • Both machines both of which are advantageously designed as reciprocating engines, according to one embodiment jointly drive one and the same generator or at a plurality of
  • the Hubkolbenexpander can be designed for example as a two-cylinder, three-cylinder, four-cylinder, five-cylinder or six-cylinder engine.
  • the internal combustion engine is designed as a gas engine, biogas,
  • combustion media in particular natural gas, landfill gas, wood gasification gas or sewage gas a suitable combustion medium.
  • Other combustion media are possible, however.
  • the entire steam cycle and its integration into the power plant can be controlled and / or monitored by a common system control.
  • FIG. 1 shows an internal combustion engine 1, here in the form of a gas engine, comprising a combustion medium inlet 2 and a
  • Combustion medium supply 19 is supplied to the one air from an air inlet 4 and the other gas from a gas supply 5 for common combustion in the internal combustion engine 1.
  • Hot exhaust gas flows via the exhaust gas outlet 3 first via a heat exchanger 6, by means of which a heat transfer stream 7, in particular cooling water flow, is heated, and then a
  • Heat exchanger 8 which serves as an evaporator for the working medium of a
  • the working medium of the steam cycle 9 is pumped by the heat exchanger 8 by means of a feed pump 11, which is driven by the Hubkolbenexpander 12, where it evaporates and then flows into the Hubkolbenexpander 12, where it expands while performing mechanical work.
  • a feed pump 11 which is driven by the Hubkolbenexpander 12, where it evaporates and then flows into the Hubkolbenexpander 12, where it expands while performing mechanical work.
  • the internal combustion engine 1 or its crankshaft is driven, which in turn utilizing the in
  • Combustion engine 1 paid mechanical work the generator 13 drives.
  • the generator 13 feeds the electric power generated by it into a power grid 14.
  • Hubkolbenexpander 12 working fluid flows through a condenser 15 in which it is condensed, and further through the
  • the condenser 15 is at the same time a second heat exchanger in the heat transfer stream 7 and transmits the heat of condensation to the heat transfer stream 7 in order to heat it, before the heat transfer stream 7 a
  • Heat utilization system 17 for example local heating network, district heating network or process heat network, is supplied.
  • the heat transfer stream 7 can, as
  • Heat transfer stream 7 are exchanged or it could be more Heat exchangers may be provided in the power plant for introducing heat into the heat transfer stream 7, for example in an exhaust gas recirculation of the
  • the reciprocating piston expander 12 is connected via a releasable coupling 18 to the internal combustion engine 1, wherein the clutch 18 according to a first embodiment is only solvable or closable at standstill and according to an alternative embodiment in the operation of the
  • the feed pump 11 could also be driven by the internal combustion engine 1 or by an additional drive, such as an electric motor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne une centrale stationnaire, notamment une centrale au gaz pour la production de courant électrique, comportant un moteur à combustion interne pourvu d'un orifice d'entrée de milieu de combustion et d'un orifice d'évacuation des gaz brûlés par lequel un flux de gaz brûlés du moteur à combustion interne est évacué; un générateur électrique entraîné par le moteur à combustion interne pour la production de courant électrique, couplé ou pouvant être couplé à un réseau électrique afin d'injecter le courant électrique produit dans le réseau; une alimentation de milieu de combustion reliée à l'orifice d'entrée de milieu de combustion; un circuit de vapeur dans lequel un milieu de travail est mis en circulation au moyen d'une pompe d'alimentation, le circuit de vapeur comprenant un échangeur thermique disposé dans le flux de gaz brûlés, permettant de transférer de la chaleur dissipée du flux de gaz brûlés au milieu de travail pour l'évaporation partielle ou complète du milieu de travail, ainsi qu'un condenseur dans lequel le milieu de travail est condensé de façon partielle ou complète. L'invention est caractérisée en ce que le circuit de vapeur comprend un détendeur à piston alternatif dans lequel le milieu de travail est détendu avec production d'un travail mécanique, le détendeur à piston alternatif étant relié mécaniquement au moyen d'un accouplement amovible au moteur à combustion interne et/ou au générateur électrique.
EP12702762.1A 2011-02-10 2012-01-31 Centrale stationnaire, notamment centrale au gaz pour la production de courant électrique Withdrawn EP2606214A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011010974A DE102011010974A1 (de) 2011-02-10 2011-02-10 Stationäres Kraftwerk, insbesondere Gaskraftwerk, zur Stromerzeugung
PCT/EP2012/000405 WO2012107177A1 (fr) 2011-02-10 2012-01-31 Centrale stationnaire, notamment centrale au gaz pour la production de courant électrique

Publications (1)

Publication Number Publication Date
EP2606214A1 true EP2606214A1 (fr) 2013-06-26

Family

ID=45566967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12702762.1A Withdrawn EP2606214A1 (fr) 2011-02-10 2012-01-31 Centrale stationnaire, notamment centrale au gaz pour la production de courant électrique

Country Status (5)

Country Link
US (1) US9030034B2 (fr)
EP (1) EP2606214A1 (fr)
CN (1) CN103180573A (fr)
DE (2) DE202011109771U1 (fr)
WO (1) WO2012107177A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012021327A1 (de) * 2012-10-26 2014-01-23 Voith Patent Gmbh Förderanlage für Öl oder Gas
DE102012021326B4 (de) * 2012-10-26 2014-05-15 Voith Patent Gmbh Verfahren zum Erzeugen von elektrischer Energie und Energieerzeugungsanlage
DE102014201751A1 (de) 2014-01-31 2015-02-26 Steamdrive Gmbh Anlage zur Kraftwärmekopplung und Verfahren zum Betreiben einer solchen Anlage
CN104564417A (zh) * 2014-12-29 2015-04-29 云南能投能源产业发展研究院 废油热电联供系统
DE102017209567A1 (de) * 2017-06-07 2018-12-13 Mahle International Gmbh Kraftmaschinenanordnung
DE102020215120B4 (de) 2020-12-01 2022-12-22 Langlechner GmbH & Co. KG Blockheizkraftwerk
DE102021213576A1 (de) 2021-11-25 2023-05-25 Langlechner GmbH & Co. KG Blockheizkraftwerk und Absperrorgan für ein Blockheizkraftwerk

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DE3116624C2 (de) * 1981-04-27 1985-08-29 Daimler-Benz Ag, 7000 Stuttgart Energieversorgungssystem für Wärme und Elektrizität
JPS58181960A (ja) 1982-04-15 1983-10-24 ナショナル住宅産業株式会社 足場装置
JPS58181960U (ja) * 1982-05-31 1983-12-05 日産ディーゼル工業株式会社 エネルギ変換装置
JP2001227616A (ja) 1999-12-08 2001-08-24 Honda Motor Co Ltd 駆動装置
BRPI0413986A (pt) 2003-08-27 2006-11-07 Ttl Dynamics Ltd sistema de recuperação de energia, usos de hfe-7100 ou hexano ou água e de um dos alcanos, sistema de geração de energia elétrica, unidade de turbina de afluxo radial, mancal, acoplamento magnético rotativo, método realizado em um sistema de recuperação de energia para extrair energia a apartir de uma fonte de calor residual, método de controle de um sistema de recuperação de energia, e, sistemas de controle programável e de purificação de fluido de trabalho para um sistema de conversão de energia
DE102007052169A1 (de) * 2007-10-30 2009-05-07 Voith Patent Gmbh Antriebsstrang, insbesondere Fahrzeugantriebsstrang
US20100083919A1 (en) * 2008-10-03 2010-04-08 Gm Global Technology Operations, Inc. Internal Combustion Engine With Integrated Waste Heat Recovery System
US20100242476A1 (en) * 2009-03-30 2010-09-30 General Electric Company Combined heat and power cycle system
DE102010000487B4 (de) 2010-02-21 2023-06-29 von Görtz & Finger Techn. Entwicklungs GmbH Verfahren und Vorrichtung für Verbrennungskraftmaschinen

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Title
See references of WO2012107177A1 *

Also Published As

Publication number Publication date
DE202011109771U1 (de) 2012-03-21
US20130277968A1 (en) 2013-10-24
US9030034B2 (en) 2015-05-12
CN103180573A (zh) 2013-06-26
DE102011010974A1 (de) 2012-08-16
WO2012107177A1 (fr) 2012-08-16

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