EP2283291B9 - Kühlvorrichtung - Google Patents

Kühlvorrichtung Download PDF

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Publication number
EP2283291B9
EP2283291B9 EP09737998A EP09737998A EP2283291B9 EP 2283291 B9 EP2283291 B9 EP 2283291B9 EP 09737998 A EP09737998 A EP 09737998A EP 09737998 A EP09737998 A EP 09737998A EP 2283291 B9 EP2283291 B9 EP 2283291B9
Authority
EP
European Patent Office
Prior art keywords
light
container
refrigerator
led
walls
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.)
Not-in-force
Application number
EP09737998A
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English (en)
French (fr)
Other versions
EP2283291B1 (de
EP2283291A2 (de
Inventor
Can Meydanli
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2283291A2 publication Critical patent/EP2283291A2/de
Publication of EP2283291B1 publication Critical patent/EP2283291B1/de
Application granted granted Critical
Publication of EP2283291B9 publication Critical patent/EP2283291B9/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00—Lighting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/021—Charging, supporting, and discharging the articles to be cooled by shelves combined with trays

Definitions

  • the present invention relates to a refrigerator wherein the vegetable container is illuminated for keeping fresh the foodstuff stored therein.
  • the foodstuffs such as vegetables and fruits stored in refrigerators for a long time are observed to lose their freshness with time.
  • the researches have shown that some foods that are exposed to light, particularly like blue, orange and green colored lights of certain wavelengths, not only have a prolonged storage life, but also the vitamin values are increased and the colors are preserved.
  • the substances such as the chlorophyll present in green leafed vegetables or the carotenoid in orange colored foods are sensible to light in certain wavelengths.
  • various irradiation devices are emplaced in refrigerators for the light with certain colors to act on the foodstuffs. Accordingly, fruits and vegetables are maintained to sustain growth and keep their freshness for a longer period of time.
  • the LED light engine is equipped with a light emitting diode (LED) light source and a light guide coupled to the LED light engine to bring light from the LED light engine into the compartment for illuminating the stored and exhibited contents inside the cold storage compartment.
  • LED light emitting diode
  • a drawer type receiving vessel is illuminated by an illuminating device that is disposed on the ceiling of the chamber.
  • the wall of the receiving vessel is formed of a transparent or semi-transparent material.
  • a refrigerator according to the preamble of claim 1 is known from WO 2007/125122A .
  • the aim of the present invention is the realization of a refrigerator illuminated by light in a wavelength for keeping the foods stored in the vegetable container fresh and the light to be delivered effectively to the foods.
  • the container is effectively illuminated from below and above by two or more light guides integrated on the lower and upper walls of the container.
  • the container is effectively illuminated from the right and left by two or more light guides integrated on the side walls of the container.
  • the container is configured as a rectangular prism and light is delivered to all the walls by at least six light guides receiving light from at least six LEDs.
  • the LEDs are arranged on the support plate in side by side or superposed arrays so that a planar area is covered thereon and the light guides receive light from the LEDs on the outer periphery.
  • the refrigerator comprises more than one LED group on the light source, each radiating a different color light.
  • the light guides receive light from the LEDs in the LED group that radiate light of colors selected according to the needs of the fruits and vegetables in the container.
  • the refrigerator comprises a movement mechanism that moves the support plate, having LED groups thereon arranged side by side or superposed, upwards, downwards or sideways for aligning the LEDs of the desired color groups in the light source with the light guides.
  • the refrigerator comprises a container produced of a transparent material and light guides made of a transparent material having a different refractive index than the container, integrated on the wall of the container by partially embedding from the outside, one end receiving the light emitted from the light source and delivering into the container from the other end, preventing the light from side-emitting in the direction of carrying the light and hence the light losses along the guided path.
  • the light guide comprises a curvilinear first lateral surface that encircles the portion partially embedded in the container and a curvilinear second lateral surface that extends outside of the container in the opposite direction of the first lateral surface.
  • the density of the material used for producing the light guide is more than the material used for producing the container and the refractive index of the light guide is greater than the refractive index of the container and preferably Polystyrene is used for the container material and preferably Polycarbonate for the light guide.
  • the radius of curvature of the first lateral surface of the light guide embedded in the container wall is greater than the radius of curvature of the second lateral surface, thus preventing the side-emitting of light to the container wall and to the air.
  • the light guide comprises a light entrance surface disposed on the end facing the light source, contacting with the outer surface of the LED when the container is pushed inside the refrigerator body, moving away from the LED when the container is pulled out.
  • the outer surface of the LED is preferably semi spherical in shape and the light entrance surface is configured as a semi spherical recess.
  • the light guide comprises a planar illumination surface on its end delivering light to the container.
  • the light guide is produced by plastic injection over-molding method to be joined with the container emplaced in an injection mold.
  • the refrigerator (1) comprises a container (2) having more than one wall (3), disposed inside the body, for example in the cabin base region and wherein foods such as fruits and vegetables are stored, a light source (11) having more than one LED (Light Emitting Diode) (4) arranged on a support plate (P) for illuminating the container (2) with light in a wavelength that preserves the nutritional value of the foods for a long period of time.
  • a light source (11) having more than one LED (Light Emitting Diode) (4) arranged on a support plate (P) for illuminating the container (2) with light in a wavelength that preserves the nutritional value of the foods for a long period of time.
  • the refrigerator (1) of the present invention comprises at least two light guides (5) that are formed as rods and integrated to the walls (3). One end of the each of the light guides (5) is aligned with the LED (4) and the other end of the said light guide (5) is disposed on one of the walls (3).
  • the light received from the LED (4) is delivered by the light guides (5) into the container (2) by the light guides (5) ends which are disposed on the wall (3), thus the light guides (5) illuminate the container (2) through at least two walls (3) ( Figures 2 , 3 ).
  • the light guides (5) are integrated on the outer surface of the walls (3) and surround the container (2) from the outside.
  • Each of the light guides (5) receives light from only one LED (4).
  • the LEDs (4) radiate light in a color determined with respect to the needs of the fruits-vegetables placed in the container (2), for example in red, orange, green or blue color, and the light guides (5) deliver the colored light emitted by the LEDs (4) from the point reached on the outer surfaces of the walls (3) intensively into the container (2) by their ends on the side of the wall (3), thus maintaining to sustain activities in the live cells of the fruits and vegetables in the container (2) and hence to keep fresh for a long period of time.
  • the light guides (5) transmit the light from the walls (3) at different directions to the foods in the shade and the majority of the foods in the container benefit from the light.
  • the container (2) is configured as a rectangular prism and comprises six walls (3), at the front, rear, top, bottom and two at the sides and light is delivered to all the walls (3) by at least six light guides (5) receiving light from at least six LEDs (4).
  • the light source (11) is situated at the rear side of the inner refrigerator (1) body.
  • the LEDs (4) are placed in side by side or superposed arrays covering a planar area on the support plate (P) ( Figure 3 ).
  • the light guides (5) receiving light from the LEDs (4) arranged on the outer periphery of the planar surface on the support plate (P) carry light to the side, front and bottom walls (3) of the container (2) and the LEDs (4) remaining at the center of the planar surface illuminate the rear wall (3) of the container (2).
  • the light guides (5) being connected with the LEDs (4) on the outer periphery of the planar surface on the support plate (P) do not intercept one another topologically from the light source (11) toward the container (2) walls (3).
  • the refrigerator (1) comprises more than one LED (4) group (G) on the light source (11), each one emitting light of a different color, for example a blue LED (4) group (G), a red LED (4) group (G), etc. and a movement mechanism (6) that moves the support plate (P), having LED (4) groups (G) of different colors thereon arranged side by side or superposed, upwards, downwards or sideways for aligning the desired LED (4) group (G) at the light source (11) with the light guides (5) ( Figure 4 ).
  • the light guides (5) receive light from the LEDs (4) in the LED (4) group (G) that emit light in the color selected according to the needs of the fruits and vegetables stored in the container (2).
  • the blue LED (4) group (G) is emplaced on the right of the plate (P) and the red LED (4) group (G) on the left, and when the light guides (5) connected to the blue LED (4) group (G) is wanted to receive light from the red LED (4) group (G), the support plate (P) is moved from the left to the right by the movement mechanism (6) and aligned opposite to the light guides (5) of the red LED (4) group (G).
  • the refrigerator (1) comprises a container (2) produced of a transparent material and light guides (5) made of a transparent material having a different refractive index (n2) from the refractive index (n1) of the material used to produce the container (2), integrated by partially embedding on the walls (3) and delivering light into the container (2) from its other end by preventing side-emitting along the path of delivery ( Figure 5 ).
  • the light guide (5) comprises a curvilinear first lateral surface (7) that encircles the portion partially embedded in the container (2) and a curvilinear second lateral surface (8) that contacts with air outside the container (2) in the opposite direction of the first lateral surface (7) ( Figure 5 ).
  • the light guide (5) prevents the light received from the light source (11) to be reflected from the first lateral surface (7) to the container (2) and to the air from the second lateral surface (8), in other words, the light guide (5) carries light virtually without loss along it, confining between the lateral surfaces (7, 8) and maintains the container (2) to be illuminated extensively from its end whereto the light reaches.
  • the radius of curvature (R1) of the first lateral surface (7) and the radius of curvature (R2) of the second lateral surface (8) are calculated with respect to the wavelength of the light used and the refractive indexes (n1, n2) of the container (2) and the light guide (5).
  • the density of the material used for producing the light guide (5) is more than the material used for producing the container (2) and the refractive index (n2) of the light guide (5) is greater than the refractive index (n1)of the container (2) (n2>n1).
  • the radius of curvature (R1) of the first lateral surface (7) of the light guide (5) is greater than the radius of curvature (R2) of the second lateral surface (8) extending outside the container (2) wall (3) (R1 > R2) ( Figure 5 ).
  • the container (2) is produced of Polystyrene (PS) and the light guide (5) is produced of Polycarbonate (PC).
  • PS Polystyrene
  • PC Polycarbonate
  • the light guide (5) being integrated with the container (2), moves together with the container (2) and comprises a light entrance surface (9) disposed on its end facing the light source (11), contacting with the outer surface of the LED (4) when the container (2) is pushed inside the refrigerator (1) body, moving away from the LED (4) when the container (2) is pulled out ( Figures 2 , 3, 4 ).
  • the outer surface of the LED (4) is for example semi spherical in shape and the light entrance surface (9) is configured as a semi spherical recess matching with the outer surface of the LED (4).
  • the light guide (5) furthermore comprises a planar illumination surface (10) on its end delivering light to the container (2) in contact with the wall (3) ( Figures 2 , 3, 4 ).
  • the light carried by the light guide (5) does not pass into the wall (3) from the convex shaped first lateral surface (7) embedded in the walls (3) of the container (2) and moves along its path reaching the illumination surface (10).
  • the illumination surface (10) since structured planar, does not reflect light backward and aids the light to pass into the container (2).
  • the light guide (5) is produced by joining with the container (2) emplaced in an injection mold by plastic injection over-molding method.
  • the container (2) is produced with the channels open, wherein the light guide (5) will be partially embedded, afterwards is emplaced in the plastic injection mold and the light guide (5) is injected over it. Since the process temperature of the light guide (5) material is higher than the process temperature of the container (2) material, the channels wherein the light guide (5) will be injected are slightly melted by heating beforehand to near the melting point and afterwards the light guide (5) is injected into the channels.
  • the light guides (5) that carry light to the container (2) from the LEDs (4) prevent side-emitting of light in the direction of delivery, the light in the desired wavelength is sent into the container (2) from a single point without loss. Intensive light is sent upon the foods in the container (2) that need light of a certain wavelength and thus the foods in the container (2) can be kept fresh for a prolonged time.
  • the light emitted from the LEDs (4) at the light source (11) is delivered to all the container (2) walls (3) separately by means of the light guides (5), an effective illumination ensures to deliver light to the foods that are below other foods or at the rear and in the shadow thereby the freshness of the foodstuffs stored in the container (2) can be prolonged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Claims (14)

  1. Kühlschrank (1), umfassend einen Behälter (2) mit mehr als einer Wand (3), der im Gehäuse angeordnet ist, und in dem Lebensmittel wie Obst und Gemüse aufbewahrt werden, eine Lichtquelle (11) mit mehr als einer LED (4), die an einer Trageplatte (P) angeordnet ist und den Behälter (2) mit einem Licht von einer Wellenlänge beleuchtet, bei der der Nährwert der Lebensmittel über einen langen Zeitraum bewahrt wird, und gekennzeichnet durch mindestens zwei Lichtleiter (5), die als Stäbe ausgebildet sind und an den Wänden (3) angebaut sind, wobei ein Ende der Lichtleiter (5) mit der LED (4) übereinstimmt und das andere Ende des Lichtleiters (5) an einer der Wände (3) angeordnet ist, und die Lichtleiter (5) das Licht, das von der LED (4) empfangen wird, durch die Enden der Lichtleiter (5), die an der Wand (3) angeordnet sind, in den Behälter (2) leiten, und die Lichtleiter (5) den Behälter (2) durch wenigstens zwei Wände (3) beleuchten.
  2. Kühlschrank (1) nach Anspruch 1, dadurch gekennzeichnet, dass die einzelnen Lichtleiter (5) jeweils nur Licht von einer LED (4) empfangen.
  3. Kühlschrank (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Lichtleiter (5) an den Außenflächen der Wände (3) angebaut sind und den Behälter (2) von außen umgeben.
  4. Kühlschrank (1) nach Anspruch 3, dadurch gekennzeichnet, dass der Lichtleiter (5) hergestellt wird, indem er durch ein Kunststoffeinspritz-Aufformungsverfahren mit dem Behälter (2) verbunden wird.
  5. Kühlschrank (1) nach einem der vorangehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Behälter (2) als rechteckiges Prisma mit sechs Wänden (3) an der Vorderseite, der Rückseite, der Oberseite, der Bodenseite und an den beiden Seiten und mit wenigstens sechs Lichtleitern (5) konfiguriert ist, die das Licht an alle Wände (3) leiten, indem sie das Licht von wenigstens sechs LEDs (4) empfangen.
  6. Kühlschrank (1) nach einem der vorangehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die LEDs (4) in Seite an Seite angeordneten oder übereinander gelagerten Arrays einen ebenen Bereich an der Trageplatte (P) abdecken, wobei diejenigen an der Außenperipherie mithilfe der Lichtleiter (5) die Seiten-, Vorder- und Bodenwände (3) des Behälters (2) beleuchten und die in der Mitte verbleibenden die Rückwand (3) des Behälters (2) beleuchtet.
  7. Kühlschrank (1) nach einem der vorangehenden Ansprüche 1 bis 4, gekennzeichnet durch mehr als eine Gruppe (G) von LEDs (4), von denen jedes Licht einer anderen Farbe ausgibt, wobei die Lichtleiter (5) das Licht von denjenigen LEDs(4) in der Gruppe (G) aus LEDs (4) empfangen, die das Licht in der Farbe ausgeben, die entsprechend den Bedürfnissen des Obstes und des Gemüses, das im Behälter (2) aufbewahrt wird, ausgewählt wird, und durch einen Bewegungsmechanismus (6), der die Trageplatte (P) mit den Gruppen (G) von LEDs (4) unterschiedlicher Farben aufweist, die Seite an Seite oder überlagert daran angeordnet sind, aufwärts, abwärts oder seitlich verlagert, um die gewünschte Gruppe (G) von LEDs (4) in Übereinstimmung mit den Lichtleitern (5) zu bringen.
  8. Kühlschrank (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Behälter (2) aus einem transparenten Material hergestellt ist und Lichtleiter (5) aus einem transparenten Material mit einem Brechungsindex (n2) hergestellt sind, der sich vom Brechungsindex (n1) des für den Behälter (2) benutzten Materials unterscheidet, und angebaut sind, indem sie teilweise in die Wände (3) eingebettet sind, und das Licht von ihrem anderen Ende in den Behälter (2) leiten, indem sie eine Ausgabe zur Seite auf ihrem Leitweg verhindern.
  9. Kühlschrank (1) nach Anspruch 8, dadurch gekennzeichnet, dass der Lichtleiter (5) eine kurvenförmige erste Seitenfläche (7) umfasst, die den Abschnitt umgibt, der teilweise im Behälter (2) eingebettet ist, und eine kurvenförmige zweite Seitenfläche (8), die in Kontakt mit Luft außerhalb des Behälters (2) steht und in entgegengesetzter Richtung zur ersten Seitenfläche (7) liegt, wobei der Krümmungsradius (R1) der ersten Seitenfläche (7) größer als der Krümmungsradius (R2) der zweiten Seitenfläche (8) ist.
  10. Kühlschrank (1) nach Anspruch 9, dadurch gekennzeichnet, dass der Lichtleiter (5) aus einem Material mit einem Brechungsindex (n2) hergestellt ist, der größer ist als der Brechungsindex (n1) des Materials, das zum Herstellen des Behälters (2) benutzt wird.
  11. Kühlschrank (1) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass der Behälter (2) aus Polystyrol (PS) hergestellt ist und ein Lichtleiter (5) aus Polycarbonat (PC) hergestellt ist.
  12. Kühlschrank (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Lichtleiter (5) eine Lichteintrittsfläche (9) umfasst, die an seinem Ende angeordnet ist, das der Lichtquelle (11) zugewandt ist, und in Kontakt mit der Außenfläche der LED (4) steht, wenn der Behälter (2) in den Gehäuse des Kühlschranks (1) geschoben wird, und sich von der LED (4) fort bewegt, wenn der Behälter (2) herausgezogen wird.
  13. Kühlschrank (1) nach Anspruch 12, dadurch gekennzeichnet, dass die LED (4) eine halbkreisförmige Außenfläche aufweist und die Lichteintrittsfläche (9) des Lichtleiters (5) als halbkreisförmige Vertiefung ausgebildet ist, die der Außenfläche der LED (4) entspricht.
  14. Kühlschrank (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Lichtleiter (5) an seinem Ende eine ebene Beleuchtungsfläche (10) umfasst, die Licht an den Behälter (2) leitet.
EP09737998A 2008-05-02 2009-04-13 Kühlvorrichtung Not-in-force EP2283291B9 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200803073 2008-05-02
PCT/EP2009/054362 WO2009132954A2 (en) 2008-05-02 2009-04-13 A refrigerator

Publications (3)

Publication Number Publication Date
EP2283291A2 EP2283291A2 (de) 2011-02-16
EP2283291B1 EP2283291B1 (de) 2012-02-08
EP2283291B9 true EP2283291B9 (de) 2012-06-20

Family

ID=41134638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09737998A Not-in-force EP2283291B9 (de) 2008-05-02 2009-04-13 Kühlvorrichtung

Country Status (4)

Country Link
EP (1) EP2283291B9 (de)
AT (1) ATE544996T1 (de)
ES (1) ES2379509T3 (de)
WO (1) WO2009132954A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003826A1 (de) * 2010-04-09 2011-10-13 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Beleuchtungseinrichtung
EP2400225B1 (de) * 2010-06-26 2018-11-14 Electrolux Home Products Corporation N.V. Ofenmuffel mit beleuchtungsvorrichtung
DE102012202322A1 (de) * 2012-02-16 2013-08-22 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit indirekter Kühlkammerbeleuchtung
WO2013126961A1 (en) * 2012-03-02 2013-09-06 Electrolux Home Products Pty Limited A light treatment apparatus assisting with preservation of food in appliances
US9377578B2 (en) 2013-03-15 2016-06-28 Whirlpool Corporation Methods and apparatus to provide lighting in refrigerators
DE102017002302A1 (de) * 2016-11-30 2018-05-30 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004100684A1 (en) * 2003-05-16 2004-11-25 6231934 Canada Inc. Method and apparatus for storing produce
EP1630500A2 (de) * 2004-08-26 2006-03-01 Samsung Electronics Co., Ltd. Kühlschrank
AU2006306927B2 (en) * 2005-10-27 2010-01-28 Lg Electronics Inc. Refrigerator
US8813516B2 (en) * 2005-10-27 2014-08-26 Lg Electronics Inc. Refrigerator with visible light radiation
TR200807954T1 (tr) * 2006-05-01 2009-02-23 Arçeli̇k Anoni̇m Şi̇rket Bir buzdolabı
US20070271945A1 (en) * 2006-05-24 2007-11-29 Daewoo Electronics Corporation Refrigerator having a vegetable box

Also Published As

Publication number Publication date
EP2283291B1 (de) 2012-02-08
WO2009132954A3 (en) 2009-12-23
ATE544996T1 (de) 2012-02-15
ES2379509T3 (es) 2012-04-26
WO2009132954A2 (en) 2009-11-05
EP2283291A2 (de) 2011-02-16

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