EP2338014A1 - Kältemittelverdichter mit verdunsterschale - Google Patents
Kältemittelverdichter mit verdunsterschaleInfo
- Publication number
- EP2338014A1 EP2338014A1 EP09740307A EP09740307A EP2338014A1 EP 2338014 A1 EP2338014 A1 EP 2338014A1 EP 09740307 A EP09740307 A EP 09740307A EP 09740307 A EP09740307 A EP 09740307A EP 2338014 A1 EP2338014 A1 EP 2338014A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- housing
- damping element
- damping
- evaporator shell
- 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.)
- Granted
Links
- 239000002826 coolant Substances 0.000 title abstract 2
- 238000013016 damping Methods 0.000 claims abstract description 131
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 229920000034 Plastomer Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000010355 oscillation Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/141—Removal by evaporation
- F25D2321/1411—Removal by evaporation using compressor heat
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/144—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans
- F25D2321/1442—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans outside a refrigerator
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49236—Fluid pump or compressor making
Definitions
- the present invention relates to a housing of a small refrigerant compressor with a Verdunsterschale, wherein the Verdunsterschale is at least formed by a directly and tightly attached to the housing, a circumferential line of the housing wall of metal and at least one lying within the wall part surface of the housing and wherein the wall is fixed at a distance from the housing at least one damping element for damping the vibrations transmitted from the housing to the wall, according to the preamble of claim 1 and to a method for equipping a wall-mounted evaporator shell of a housing of a small refrigerant compressor with at least one on the wall arranged damping element according to the preamble of claims 17 and 18th
- Small refrigerant compressors are mainly used in the household sector. They are usually located at the back of a refrigerator and connected to these and serve to compress a circulating refrigerant, whereby heat is removed from the refrigerator of the refrigerator and discharged to the environment.
- the refrigerant compressor comprising a hermetically sealed compressor housing has an electric motor which drives a piston oscillating in a cylinder for compressing the refrigerant via a crankshaft.
- the compressor housing consists of a cover part and a base part, wherein supply and discharge lines are provided which lead into the compressor housing and out of this, to move the refrigerant to the cylinder and from there back into the refrigeration cycle.
- the collecting container is arranged in a vicinity of the compressor housing of the refrigerant compressor, since this represents a heat source and favors the evaporation of the collected liquid.
- prior art collection containers are known, for example from the AT 7.706Ul, where, inter alia, metallic boundary walls are provided which surround the compressor housing along a circumferential line of the compressor housing and form an upwardly open container.
- the boundary walls are either made in one piece with a housing part or fixed by adhesive, screws, welds, flange or the like on the housing. It only has to be ensured that the contact area between the boundary wall and the housing is tight so that the condensed liquid collected within the boundary wall remains in the evaporator shell formed by the boundary wall and the housing.
- Such a construction allows the heat that is dissipated through the compressor housing to be used in a nearly direct manner to evaporate the condensed liquid.
- the direct attachment of the metallic boundary wall to the metallic housing ie in one-piece design with a housing part in screw, welding or flange) has the disadvantage that the vibrations of the compressor are transmitted to the housing and on to the boundary wall, so that the metallic Evaporative shell now in turn reinforced by its open structure and its relatively large surface, the sound radiation of the compressor.
- An object of the present invention is therefore to reduce the sound radiation of the compressor via the evaporator shell. This is generally possible by changing the structural rigidity or by damping.
- a refrigeration compressor is already known, whose Verdunsterschale with the purpose of reducing the vibrations emanating from the compressor housing Damping elements is provided.
- the damping elements are in this case arranged laterally on the evaporator shell.
- the walls of the evaporator shell are hollow, so that chambers or tubular damping elements are formed.
- a manufacturing technology and vibration damping technically more advantageous embodiment and arrangement of generic damping elements is sought.
- this object is achieved by the characterizing features of claim 1.
- the at least one damping element surrounds the free upper edge of the wall.
- all damping elements are attached to the free edge of the wall.
- damping elements By attaching one or more damping elements at the top of the wall ensures that the wall itself is damped, which can be well stimulated to vibrate due to the free upper end.
- the damping elements cause at least a part of the vibration energy to be converted into heat.
- the at least one damping element is attached to the free upper edge of the wall.
- the at least one damping element has a groove whose width is substantially equal to the thickness of the wall corresponds and the damping element is placed by means of this groove on the upper edge of the wall.
- one or more damping elements are made of metal. Due to their mass, metallic damping elements help to locally change the resonant frequency of the wall, so that it is no longer possible to resonate the entire wall.
- a particular embodiment of the metallic damping element is that the damping element is formed integrally with the wall, in particular by bending the upper edge of the wall is formed. By bending the upper edge of the wall, this upper edge is stiffened, vibrations are thereby damped.
- Another embodiment is that one or more damping elements made of plastic.
- plastic includes plastomers (thermoplastics), duromers and elastomers. Due to their elasticity they are deformed by the vibrations, which costs vibration energy, which is therefore no longer available for vibrations of the wall.
- composites having a multilayer structure wherein the individual layers of the composite in particular consist of elastomers and / or plastomers and / or duromers and / or metals and / or woods.
- elastic layers elastomer
- layers made of heavier materials metal foil
- At least one damping element may be attached such that it exerts a biasing force on the wall. If then the wall is excited to swing, every movement must be against this biasing force done. For example, a damping element can be stretched around the wall.
- one or more damping elements can be positively and / or positively and / or materially secured to the wall.
- the positive fastening has the advantage that the
- Damping elements can be attached to the wall without further fasteners.
- the frictional attachment ensures a good transfer of the vibration energy from the wall to the damping element.
- damping element is releasably secured to the wall, then these damping elements can be exchanged particularly easily, it can also easily additional damping elements attached or unnecessary damping elements are removed.
- damping elements Of course, combinations of releasably and permanently attached damping elements are conceivable.
- one or more metallic damping elements could be welded to the wall, other rubber damping elements are simply plugged onto the free (upper) edge of the wall in a form-fitting manner.
- a substantially linear attachment will be useful if, for example, a heavy metallic damping element is to be fastened in a simple manner. Examples of linear fasteners can be found in Fig. 7-10.
- An essentially flat attachment of the damping element is useful if the damping element has a flat shape and should be well connected to the wall everywhere.
- An example of a surface attachment can be found in Fig. 6. Such an element can for example be glued.
- Damping element is arranged along the entire circumference of the wall.
- a particularly dense and durable embodiment of the evaporator shell according to the invention is achieved by the fact that the wall of the evaporator shell is welded to the housing.
- the cross section of at least one of the damping elements can vary along the circumference of the wall.
- Claim 17 relates to a method for equipping a evaporator shell having a wall of a housing of a small refrigerant compressor according to claim 1 with at least one damping element arranged on the wall for damping the oscillations transmitted from the housing to the wall, wherein according to the invention it is provided that the at least one damping element by extrusion of a polymeric material on the free upper edge of the wall, this encompassing applied.
- the free upper edge of the wall is at least partially provided with adhesive whose mass forms one or more, the free upper edge of the wall embracing, damping elements. Also in this way will be a fast and inexpensive production a generic damping measure allows. Experiments have shown that even an order of relatively small amounts of adhesive in the region of the free upper edge of the wall leads to a satisfactory vibration damping.
- Fig.l is a perspective view of a housing with Verdunsterschale for condensed liquid according to the prior art
- FIG. 3 shows a vertical section through the housing of FIG. 2nd
- FIG. 5 shows a detail from FIG. 3 with alternative Dämpfungselernent
- FIG. 6 shows a perspective view of a housing according to the invention with lateral damping elements
- FIG. 7 shows a perspective view of a housing according to the invention with a damping element at the edge of the wall
- FIG. 8 shows a perspective view of a housing according to the invention with two damping elements at the edge of the wall 9 is a perspective view of a housing according to the invention with three damping elements at the edge of the wall
- FIG. 10 is a perspective view of a housing according to the invention with four
- Fig. 1 shows a perspective view of a housing of a compressor with Verdunsterschale for condensed liquid according to the prior art.
- a wall 2 made of metal, such as sheet steel, welded, which follows a circumferential line of the housing 1.
- This wall 2 forms the wall of the evaporator shell.
- the lying within the wall 2 part surface Ia of the housing forms the bottom of the evaporator shell.
- Fig. 2 the same housing as shown in Fig. 1, but now with a possible embodiment of the invention: a fixed to the upper edge of the wall 2, the entire circumference of the edge covering circumferential damping element 5.
- the damping element 5 is made of an elastomer manufactured, eg made of rubber.
- Fig. 3 is a vertical section through the center of the housing 1 of FIG. 2 is shown.
- the section marked "B" on the upper right edge in Fig. 4 is shown enlarged.
- Damping element 5a shown in cross section. It has a circular cross section and a radial groove, which is up to about 0.7
- Diameter in the damping element 5 extends.
- the groove corresponds in width to the thickness of the wall 2, so that a positive contact with the wall 2 is made possible.
- the sealing element 5a is placed on the upper edge of the wall 2.
- a circumferential damping element with a rectangular cross-section 5b there are also other cross-sections of the circumferential damping element 5 possible, for example, as shown in Fig. 5, a circumferential damping element with a rectangular cross-section 5b.
- the groove is arranged normal to the side surface of the rectangular cross-section, it also has a depth of about 70% of the cross-sectional height, its width is also adapted to the thickness of the wall 2, so that a positive contact between the damping element 5b and wall 2 is possible.
- Other cross sections of the damping element 5, such as triangular cross sections, are possible.
- the circumferential damping element 5, 5a, 5b is arranged on the free edge of the wall 2.
- a circumferential damping element is attached only to the inside or only on the outside of the wall 2, directly on the edge of the wall 2 subsequently or below, or embodiments where both on the inside and on the outside of the Wall 2 circumferential damping elements are arranged.
- the inner and outer damping element may be mounted at the same or different height.
- the circumferential damping element can be fixed under a bias, but it can also be fixed without bias. Is the damping element on the inside or on the Mounted outside the wall 2, the bias may be directed both inwardly and outwardly.
- the circumferential damping element on the inner and / or outer side may be formed approximately as a flat rubber band.
- Fig. 6 shows a perspective view of a housing 1 according to the invention with four lateral damping elements 6, which are mounted on the outside of the wall 2 substantially centrally in one of the four wall sections.
- the four wall sections result from the fact that the cross section of the wall 2 are not circular, but approximate the square shape.
- damping elements 6 all on the inside of the wall 2 or alternately on the inside and outside. Of course, more than four damping elements can be used.
- a single damping element 7 is mounted on the wall 2.
- the illustrated damping element 7 has the shape of a full cylinder having a groove in the radial direction to the middle of the cylinder. Conceivable, however, would be the use of a profile as shown in Fig. 3-5, wherein the damping is limited only to the region of the wall 2, on which the damping element is mounted.
- the shape of the groove is dimensioned so that the damping element 7 can be positively attached to the upper edge of the wall 2.
- the damping element 7 may be positively and / or positively and / or materially secured to the wall.
- Material for the damping element 7 are metal, plastic or composites in question.
- a second, ie second damping element 8 is added.
- the second illustrated damping element 8 has the shape of a full cylinder having a groove in the radial direction to the middle of the cylinder. Again, as explained in FIG. 7, other shapes are conceivable.
- the shape of the groove is again dimensioned so that the damping element 8 can be positively attached to the upper edge of the wall 2.
- damping elements 9, 10 can be added, as shown in FIGS. 9 and 10.
- damping elements 7-10 can vary between the individual damping elements 7-10 and thus be better adapted to the requirements.
- the attachment of the damping elements can be done in different ways. (positive, positive and / or cohesive).
- FIG. 11 shows a diagram in which the sound power radiated from a compressor housing has been measured. Shown is the third octave spectrum.
- the at least one damping element 5-10 by means of extrusion of a polymeric material on the free upper edge of the wall 2, this encompassing applied.
- all adhesive materials are suitable for being applied directly in the area of the free upper edge of the wall 2.
- the free upper edge of the wall 2 is at least partially provided with adhesive whose mass forms one or more damping elements 5-10.
- the application of adhesive in the region of the free upper edge of the wall 2 can be carried out by means of any application method, e.g. by brushing, spraying, dipping etc.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0060208U AT10950U1 (de) | 2008-10-21 | 2008-10-21 | Kältemittelverdichter |
PCT/EP2009/063673 WO2010046343A1 (de) | 2008-10-21 | 2009-10-19 | Kältemittelverdichter mit verdunsterschale |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2338014A1 true EP2338014A1 (de) | 2011-06-29 |
EP2338014B1 EP2338014B1 (de) | 2017-03-22 |
Family
ID=41260048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09740307.5A Active EP2338014B1 (de) | 2008-10-21 | 2009-10-19 | Gehäuse eines kältemittelverdichters mit einer verdunsterschale |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110293446A1 (de) |
EP (1) | EP2338014B1 (de) |
CN (1) | CN102232170B (de) |
AT (1) | AT10950U1 (de) |
WO (1) | WO2010046343A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202013004850U1 (de) * | 2013-05-27 | 2013-06-05 | Thermo Electron Led Gmbh | Laborzentrifuge mit gedämmtem Kompressor |
DE102015200394A1 (de) | 2015-01-14 | 2016-07-14 | BSH Hausgeräte GmbH | Kältegerät |
CN104949421A (zh) * | 2015-06-30 | 2015-09-30 | 合肥美的电冰箱有限公司 | 冰箱 |
KR102662655B1 (ko) | 2017-02-16 | 2024-05-03 | 삼성전자주식회사 | 압축기 |
CN108326517B (zh) * | 2018-02-06 | 2019-11-05 | 杨益民 | 一种制冰机蒸发器的制造方法 |
DE102018107304A1 (de) * | 2018-03-27 | 2019-10-02 | Man Energy Solutions Se | Turbolader |
DE102018218019A1 (de) * | 2018-10-22 | 2020-04-23 | BSH Hausgeräte GmbH | Verdunstungsanordnung für ein Kältegerät |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6112848A (en) * | 1998-09-23 | 2000-09-05 | Chrysler Corporation | Sound-dampened automobile interior components and methods for making same |
JP2003287341A (ja) * | 2002-03-29 | 2003-10-10 | Fujitsu General Ltd | 冷蔵庫 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT324370B (de) * | 1973-07-10 | 1975-08-25 | Bosch Hausgeraete Gmbh | Verdumstungsvorrichtung für schmelzwasser, insbesondere für periodisch abtaubare kühl- bzw. gefriergeräte |
JPS62122289U (de) * | 1986-01-27 | 1987-08-03 | ||
JPS63122289U (de) * | 1987-02-02 | 1988-08-09 | ||
US5699677A (en) * | 1996-11-07 | 1997-12-23 | White Consolidated Industries, Inc. | Compressor mounted drain pan utilizing polyurethane adhesive |
KR100483556B1 (ko) * | 2002-09-17 | 2005-04-15 | 삼성광주전자 주식회사 | 밀폐형 압축기의 케이스 |
AT7706U1 (de) * | 2004-05-11 | 2005-07-25 | Verdichter Oe Ges M B H | Verdichter mit integrierter verdunsterschale |
AT8933U1 (de) * | 2005-12-20 | 2007-02-15 | Acc Austria Gmbh | Kältemittelkompressor |
BRPI0700554A (pt) * | 2007-01-30 | 2008-09-16 | Whirlpool Sa | arranjo de ressonadores para gabinete de aparelho de refrigeração |
-
2008
- 2008-10-21 AT AT0060208U patent/AT10950U1/de not_active IP Right Cessation
-
2009
- 2009-10-19 WO PCT/EP2009/063673 patent/WO2010046343A1/de active Application Filing
- 2009-10-19 CN CN200980148078.5A patent/CN102232170B/zh active Active
- 2009-10-19 EP EP09740307.5A patent/EP2338014B1/de active Active
- 2009-10-19 US US12/998,436 patent/US20110293446A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6112848A (en) * | 1998-09-23 | 2000-09-05 | Chrysler Corporation | Sound-dampened automobile interior components and methods for making same |
JP2003287341A (ja) * | 2002-03-29 | 2003-10-10 | Fujitsu General Ltd | 冷蔵庫 |
Non-Patent Citations (1)
Title |
---|
See also references of WO2010046343A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20110293446A1 (en) | 2011-12-01 |
WO2010046343A1 (de) | 2010-04-29 |
CN102232170A (zh) | 2011-11-02 |
EP2338014B1 (de) | 2017-03-22 |
CN102232170B (zh) | 2015-09-23 |
AT10950U1 (de) | 2010-01-15 |
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