WO2011124196A1 - Verfahren zum betreiben einer automatisierten kupplung - Google Patents
Verfahren zum betreiben einer automatisierten kupplung Download PDFInfo
- Publication number
- WO2011124196A1 WO2011124196A1 PCT/DE2011/000296 DE2011000296W WO2011124196A1 WO 2011124196 A1 WO2011124196 A1 WO 2011124196A1 DE 2011000296 W DE2011000296 W DE 2011000296W WO 2011124196 A1 WO2011124196 A1 WO 2011124196A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clutch
- volume compensation
- temperature
- hydraulic medium
- during operation
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
- F16D48/066—Control of fluid pressure, e.g. using an accumulator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/102—Actuator
- F16D2500/1026—Hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10406—Clutch position
- F16D2500/10412—Transmission line of a vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/108—Gear
- F16D2500/1081—Actuation type
- F16D2500/1085—Automatic transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/302—Signal inputs from the actuator
- F16D2500/3024—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/302—Signal inputs from the actuator
- F16D2500/3026—Stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/30404—Clutch temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/501—Relating the actuator
- F16D2500/5014—Filling the actuator cylinder with fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/501—Relating the actuator
- F16D2500/5016—Shifting operation, i.e. volume compensation of the primary cylinder due to wear, temperature changes or leaks in the cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/512—Relating to the driver
- F16D2500/5122—Improve passengers comfort
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/512—Relating to the driver
- F16D2500/5126—Improving response to driver inputs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/706—Strategy of control
- F16D2500/70605—Adaptive correction; Modifying control system parameters, e.g. gains, constants, look-up tables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/708—Mathematical model
- F16D2500/7082—Mathematical model of the clutch
Definitions
- the invention relates to a method for operating an automated clutch of a motor vehicle, which is actuated via a hydrostatic actuator of a hydraulic Kupplungsbetuschi- supply system comprising a slave cylinder and a master cylinder containing hydraulic medium, wherein in a driving operation, a volume compensation of the hydraulic medium is performed to counteract a detuning of the clutch actuation system.
- the object of the invention is to improve a method according to the preamble of claim 1 in that the ride comfort is increased.
- the object is based on an automated clutch of a motor vehicle, which is actuated via a hydrostatic actuator of a hydraulic clutch actuation system.
- This clutch actuating system comprises a slave cylinder and a master cylinder containing hydraulic medium, wherein in a driving operation, a volume compensation of the hydraulic medium is performed to counteract a detuning of the clutch actuating system.
- the object is achieved in that the volume compensation in operation of the clutch depending on current clutch characteristics is carried out as needed, if the ride comfort is not or not unduly compromised. This can extend the time between periodically performed volume compensation operations. It is also possible to perform the volume compensation no longer periodically, but only demand-dependent. By evaluating the current clutch characteristics or clutch characteristics, the requirement of volume compensation operations can be adapted to the actual requirements. An interval for the volume compensation of the hydrostatic section of the clutch actuator is determined dynamically. This significantly reduces conflicts between balancing processes and driving comfort.
- a preferred embodiment of the method is characterized in that the volume compensation during operation of the clutch is performed in response to Tastrioschiebache.
- a touch point describes a defined actuator position, in which the coupling assigned to the actuator transmits a specific torque, for example, three Newton meters.
- a touch point change a characteristic of the clutch is moved in parallel.
- the touch point can be determined, for example, via an evaluation of transmission input speeds with a suitable clutch actuation.
- a further preferred embodiment of the method is characterized in that an adapted in driving mode touch point of the clutch is evaluated. Assuming a well-functioning feeler point adaptation while driving, the volume compensation serves primarily to maintain the functionality of the clutch actuation system. It must be ensured that the clutch separates reliably on the one hand and on the other hand can transmit the required clutch torque.
- a further preferred embodiment of the method is characterized in that short and long-term adaptive values for the touch point are used.
- a volume compensation is indeed a necessary and actively controlled process, but it also leads in principle to a (re) shift the clutch characteristic.
- a measure to correct this (re) shift can be provided.
- a further preferred embodiment of the method is characterized in that the volume compensation during operation of the clutch is then performed when the adapted touch point changes significantly while driving. If the value of the adapted touch point changes very little while driving, it can be assumed that the hydraulic transmission path has not changed and therefore no volume compensation is necessary. The request and execution of the next volume compensation can then be easily delayed.
- a further preferred embodiment of the method is characterized in that the volume compensation during operation of the clutch is performed in dependence on temperature information.
- the temperature information is used to determine an expected volume change in the clutch actuation system.
- a further preferred exemplary embodiment of the method is characterized in that the temperature information is determined with the aid of temperature sensors. For example, a clutch bell temperature, a clutch actuator temperature, an engine cooling water temperature, an engine compartment temperature, and / or a transmission oil temperature may be determined using the temperature sensors.
- a further preferred embodiment of the method is characterized in that the temperature information is determined from temperature models.
- Both temperature models of the clutch and temperature models of the clutch actuation system can be used, which is also referred to as a clutch release system.
- a further preferred embodiment of the method is characterized in that the volume compensation is performed during operation of the clutch when the temperature has changed by a defined minimum amount.
- the defined minimum amount can be determined by tests.
- a further preferred embodiment of the method is characterized in that the volume compensation during operation of the clutch is performed when the volume change of the hydraulic medium determined in a calculation model due to temperature influences exceeds a defined minimum dimension.
- the defined minimum size can be determined by tests.
- the clutch is preferably a double clutch or a dual clutch system with two partial clutches.
- the clutch, in particular double clutch, is preferably operated directly, that is without the interposition of lever mechanisms, by the hydrostatic actuator.
- the invention relates to a clutch actuation system, as described for example in German Patent Application DE 10 2008 057 656 A1.
- the clutch actuation system comprises a clutch, in particular an automated friction clutch, which is preferably designed as a double clutch.
- the clutch is actuated by a hydraulic clutch actuation system that includes a master cylinder and a slave cylinder includes, which are interconnected by a hydraulic line also referred to as a pressure line.
- the master cylinder has a connection opening which connects the master cylinder to a back-up tank for hydraulic medium when a master cylinder piston assumes a specific position in the master cylinder.
- the master cylinder piston is actuated hydrostatically by an actuator which is controlled by a control unit.
- connection opening is opened to the surge tank.
- the hydraulic medium can relax in the after-reservoir, which is also referred to as a compensation chamber.
- the volume compensation is performed by fully opening the clutch.
- a logic which recognizes a shift of the clutch characteristic due to Tastreteverschiebungen and / or taking into account temperature signals and optionally compensated.
- the frequency for the volume compensation can be reduced and the volume compensation can be carried out only if no undesirable effects on ride comfort are to be expected.
- the touch point adapted in driving operation is the
- volume compensation is requested, for example, when the temperature has changed by a defined minimum amount since the last volume adjustment.
- a volume compensation can be requested if the volume change determined in a calculation model due to temperature influences exceeds a defined minimum.
- the temperature information can either originate from temperature sensors or can be determined from temperature models of the clutch and / or its actuation system. For example, a clutch bell temperature, a clutch actuator temperature, an engine cooling water temperature, an engine compartment temperature, and / or a transmission oil temperature may be detected by the temperature sensors.
- a clutch bell temperature a clutch actuator temperature
- an engine cooling water temperature a clutch compartment temperature
- a transmission oil temperature may be detected by the temperature sensors.
- the solutions mentioned can also be combined.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011101224.1T DE112011101224B4 (de) | 2010-04-08 | 2011-03-21 | Verfahren zum Betreiben einer automatisierten Kupplung |
| JP2013502998A JP2013527389A (ja) | 2010-04-08 | 2011-03-21 | 自動化されたクラッチを作動させる方法 |
| US13/630,352 US20130025999A1 (en) | 2010-04-08 | 2012-09-28 | Method for operating an automated clutch |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010014201.8 | 2010-04-08 | ||
| DE102010014201 | 2010-04-08 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/630,352 Continuation US20130025999A1 (en) | 2010-04-08 | 2012-09-28 | Method for operating an automated clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011124196A1 true WO2011124196A1 (de) | 2011-10-13 |
Family
ID=44305108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2011/000296 Ceased WO2011124196A1 (de) | 2010-04-08 | 2011-03-21 | Verfahren zum betreiben einer automatisierten kupplung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130025999A1 (de) |
| JP (1) | JP2013527389A (de) |
| DE (2) | DE112011101224B4 (de) |
| WO (1) | WO2011124196A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388634A (zh) * | 2012-05-08 | 2013-11-13 | 舍弗勒技术股份两合公司 | 匹配离合器特性曲线的方法 |
| JP2015537169A (ja) * | 2012-10-31 | 2015-12-24 | シェフラー テクノロジーズ アー・ゲー ウント コー. カー・ゲーSchaeffler Technologies AG & Co. KG | 摩擦クラッチの操作方法 |
| US10938038B2 (en) | 2013-02-05 | 2021-03-02 | Johnson Matthey Fuel Cells Limited | Use of an anode catalyst layer |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112013002007B4 (de) | 2012-04-13 | 2021-07-29 | Schaeffler Technologies AG & Co. KG | Verfahren zur Ermittlung von Parametern einer zwischen einer geöffneten und einer geschlossenen Position betätigbaren Reibungskupplungseinrichtung |
| DE112013003567B4 (de) * | 2012-07-17 | 2022-02-03 | Schaeffler Technologies AG & Co. KG | Verfahren zur Ermittlung von Parametern einer Reibungskupplungseinrichtung |
| KR102406173B1 (ko) | 2017-05-22 | 2022-06-07 | 현대자동차주식회사 | 엔진 클러치 제어 장치 및 방법 |
| DE102018128474A1 (de) | 2017-12-11 | 2019-06-13 | Schaeffler Technologies AG & Co. KG | Verfahren zur Einstellung einer Volumenausgleichsdauer in einem hydraulischen Kupplungsbetätigungssystem, vorzugsweise für ein Fahrzeug |
| US11512748B2 (en) | 2019-03-26 | 2022-11-29 | Honda Motor Co., Ltd. | Clutch control apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19857707A1 (de) * | 1997-12-23 | 1999-06-24 | Luk Getriebe Systeme Gmbh | Kraftfahrzeug |
| DE102005027066A1 (de) * | 2004-06-30 | 2006-01-19 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren zur Steuerung des Ausgleichs hydraulischer Strecken |
| DE102006038446A1 (de) * | 2006-08-16 | 2008-02-21 | Lsp Innovative Automotive Systems Gmbh | Elektromotorischer Kolbenantrieb |
| WO2009022450A1 (en) * | 2007-08-10 | 2009-02-19 | Toyota Jidosha Kabushiki Kaisha | Automatic clutch control apparatus |
| DE102008057656A1 (de) | 2007-12-03 | 2009-06-04 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Kupplungssystem |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2280721B (en) * | 1993-08-03 | 1998-03-11 | Luk Getriebe Systeme Gmbh | Motor vehicle automatic clutch control |
| GB2310473B (en) * | 1993-08-03 | 1998-03-11 | Luk Getriebe Systeme Gmbh | Motor vehicle clutch control |
| DE19602006A1 (de) * | 1995-01-28 | 1996-08-01 | Luk Getriebe Systeme Gmbh | Vorrichtung und ein Verfahren zur Ansteuerung eines Drehmomentübertragungssystems |
| NO314174B1 (no) * | 1995-12-18 | 2003-02-10 | Luk Getriebe Systeme Gmbh | Motorkjöretöy |
| US6001044A (en) * | 1995-12-18 | 1999-12-14 | Luk Getriebe-Systeme Gmbh | Motor vehicle |
| BR0205395A (pt) * | 2001-05-21 | 2003-06-17 | Luk Lamellen & Kupplungsbau | Processo de controle para veìculos automóveis com dispositivo de embreagem automatizado |
| KR100949659B1 (ko) * | 2001-08-24 | 2010-03-26 | 루크 라멜렌 운트 쿠프룽스바우 베타일리궁스 카게 | 어댑터 커넥터 |
| DE102004009834A1 (de) * | 2003-03-03 | 2004-09-16 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Antriebsstrang |
| JP2008075814A (ja) * | 2006-09-22 | 2008-04-03 | Aisin Seiki Co Ltd | クラッチ装置 |
| DE102007054726B3 (de) * | 2007-11-14 | 2009-07-23 | Getrag Ford Transmissions Gmbh | Verfahren zur Festlegung eines Befülldruckes für eine Kupplung |
| JP2010038176A (ja) * | 2008-07-31 | 2010-02-18 | Toyota Motor Corp | クラッチストローク制御装置 |
| DE102008041353A1 (de) * | 2008-08-19 | 2010-02-25 | Robert Bosch Gmbh | Verfahren zur Kompensation von Volumenänderungen eines Hydraulikfluids in einer hydraulischen Betätigungseinrichtung zur Betätigung einer Kupplung, sowie hydraulische Betätigungseinrichtung |
| JP5233647B2 (ja) * | 2008-12-18 | 2013-07-10 | 日産自動車株式会社 | ハイブリッド車両の制御装置 |
-
2011
- 2011-03-21 JP JP2013502998A patent/JP2013527389A/ja active Pending
- 2011-03-21 DE DE112011101224.1T patent/DE112011101224B4/de active Active
- 2011-03-21 DE DE102011014571A patent/DE102011014571A1/de not_active Withdrawn
- 2011-03-21 WO PCT/DE2011/000296 patent/WO2011124196A1/de not_active Ceased
-
2012
- 2012-09-28 US US13/630,352 patent/US20130025999A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19857707A1 (de) * | 1997-12-23 | 1999-06-24 | Luk Getriebe Systeme Gmbh | Kraftfahrzeug |
| DE102005027066A1 (de) * | 2004-06-30 | 2006-01-19 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren zur Steuerung des Ausgleichs hydraulischer Strecken |
| DE102006038446A1 (de) * | 2006-08-16 | 2008-02-21 | Lsp Innovative Automotive Systems Gmbh | Elektromotorischer Kolbenantrieb |
| WO2009022450A1 (en) * | 2007-08-10 | 2009-02-19 | Toyota Jidosha Kabushiki Kaisha | Automatic clutch control apparatus |
| DE102008057656A1 (de) | 2007-12-03 | 2009-06-04 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Kupplungssystem |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388634A (zh) * | 2012-05-08 | 2013-11-13 | 舍弗勒技术股份两合公司 | 匹配离合器特性曲线的方法 |
| JP2015537169A (ja) * | 2012-10-31 | 2015-12-24 | シェフラー テクノロジーズ アー・ゲー ウント コー. カー・ゲーSchaeffler Technologies AG & Co. KG | 摩擦クラッチの操作方法 |
| US10938038B2 (en) | 2013-02-05 | 2021-03-02 | Johnson Matthey Fuel Cells Limited | Use of an anode catalyst layer |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130025999A1 (en) | 2013-01-31 |
| JP2013527389A (ja) | 2013-06-27 |
| DE112011101224B4 (de) | 2022-11-03 |
| DE102011014571A1 (de) | 2011-10-13 |
| DE112011101224A5 (de) | 2013-01-24 |
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