EP2766609B1 - Balancing weight for a fan wheel - Google Patents
Balancing weight for a fan wheel Download PDFInfo
- Publication number
- EP2766609B1 EP2766609B1 EP11767712.0A EP11767712A EP2766609B1 EP 2766609 B1 EP2766609 B1 EP 2766609B1 EP 11767712 A EP11767712 A EP 11767712A EP 2766609 B1 EP2766609 B1 EP 2766609B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding
- balancing weight
- weight
- balancing
- spring clamp
- 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.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000007373 indentation Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/662—Balancing of rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/027—Arrangements for balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/10—Anti- vibration means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Die vorliegende Erfindung betrifft ein Wuchtgewicht zum Auswuchten eines Gebläserades.The present invention relates to a balance weight for balancing an impeller.
Laufräder für Gebläse und Lüfter müssen in aller Regel für den praktischen Einsatz ausgewuchtet werden, um einen ruhigen, schwingungsarmen Lauf zu gewährleisten. Dazu werden vor allem an der äußeren Peripherie Wuchtgewichte angeordnet. Der Stand der Technik beschreibt dazu verschiedene Möglichkeiten.Blower and fan impellers typically need to be balanced for practical use to ensure smooth, low-vibration operation. For this purpose, balancing weights are arranged above all on the outer periphery. The prior art describes various possibilities.
Das Dokument
Auch die
Das weitere Dokument
Die
Die Klammer kann beispielsweise an einer Laufschaufel eines Laufrades eines Lüfters befestigt werden.For example, the clip may be attached to a blade of an impeller of a fan.
Die
Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, ein Wuchtgewichtfür die beschriebene Anwendung zu schaffen, welches ein vereinfachtes und effektives Auswuchten eines Gebläserades mit geringem Aufwand ermöglicht.The present invention has for its object to provide a balance weight for the application described, which allows a simplified and effective balancing of an impeller with little effort.
Erfindungsgemäß wird dies durch die Merkmale des unabhängigen Anspruchs 1 erreicht.This is achieved by the features of independent claim 1 according to the invention.
Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen sowie in der anschließenden Beschreibung enthalten.Advantageous embodiments of the invention are contained in the dependent claims and in the subsequent description.
Die Erfindung bezieht sich auch auf die einzelnen Bestandteile des erfindungsgemäßen Wuchtgewichtes, und zwar auf die Federklammer und auf das Zusatzgewicht.The invention also relates to the individual components of the balance weight according to the invention, on the spring clip and on the additional weight.
Die Erfindung ermöglicht ein sehr schnelles und effektives Auswuchten. Zunächst kann die Federklammer auf einfache Weise und an beliebigen Umfangsstellen an dem Gebläserad befestigt werden. Durch das separate Zusatzgewicht kann das Auswuchten optimiert werden, indem bezüglich ihres Gewichtes bzw. ihrer Masse unterschiedliche Zusatzgewichte bereitgestellt werden; es kann dann das jeweils passende Zusatzgewicht in dem Aufnahmeabschnitt der Federklammer gehaltert werden. Dadurch können auch größere Unwuchten mit nur einem oder sehr wenigen erfindungsgemäßen Wuchtgewichten ausgeglichen werden.The invention enables a very fast and effective balancing. First, the spring clip can be attached to the impeller in a simple manner and at any circumferential locations. Due to the separate additional weight, the balancing can be optimized by providing different additional weights in terms of their weight or their mass; It can then be held each appropriate additional weight in the receiving portion of the spring clip. Thereby can Even larger imbalances can be compensated with only one or very few balancing weights according to the invention.
In bevorzugter Ausgestaltung der Erfindung besteht die Federklammer als einstückiges Stanz-Biegeformteil aus einem Federstahlblech. Gemäß der Erfindung ist die Federklammer derart etwa S-förmig gebogen, dass der Halteabschnitt etwa U-förmig ausgebildet ist und über einen gemeinsamen Stegabschnitt in den ebenfalls etwa U-förmigen Aufnahmeabschnitt übergeht. Der Halteabschnitt und der Aufnahmeabschnitt sind dann bezüglich ihrer Öffnungsseiten umgekehrt orientiert. Der Halteabschnitt ist vorzugsweise in Anpassung an das Gebläserad derart ausgebildet, dass er auf schnelle und einfache Weise kraft- und/oder formschlüssig auf einen beliebigen Umfangsrand des Gebläserades aufsteckbar ist. Dies ermöglicht ein Auswuchten an einer beliebigen Umfangsstelle des Gebläserades.In a preferred embodiment of the invention, the spring clip as a one-piece stamped and bent form part of a spring steel sheet. According to the invention, the spring clip is bent approximately S-shaped such that the holding portion is approximately U-shaped and passes over a common web portion in the likewise approximately U-shaped receiving portion. The holding portion and the receiving portion are then reversely oriented with respect to their opening sides. The holding portion is preferably designed in adaptation to the impeller so that it can be quickly and easily force and / or form-fitting plugged onto any peripheral edge of the impeller. This allows for balancing at any circumferential location of the impeller.
Das Zusatzgewicht ist in bevorzugter Ausgestaltung als flacher, quaderartiger Körper aus einem insbesondere metallischen Flachmaterial ausgebildet. Hierbei sind das Zusatzgewicht und der Aufnahmeabschnitt der Federklammer in Anpassung aneinander derart ausgebildet, dass das Zusatzgewicht lösbar - und somit auswechselbar - kraft- und/oder formschlüssig in den Aufnahmeabschnitt einsteckbar ist. Unterschiedliche Gewichte können auf einfache Weise durch unterschiedliche Längen bzw. Breiten des Zusatzgewichtes realisiert werden.The additional weight is formed in a preferred embodiment as a flat, cuboid body of a particular metallic sheet. Here, the additional weight and the receiving portion of the spring clip in adaptation to each other are formed such that the additional weight releasably - and thus replaceable - non-positively and / or positively inserted into the receiving portion. Different weights can be realized in a simple manner by different lengths or widths of the additional weight.
Anhand eines in der Zeichnung veranschaulichten, bevorzugten Ausführungsbeispiels soll die Erfindung im Folgenden genauer erläutert werden. Es zeigen:
- Fig. 1
- eine axial geschnittene Seitenansicht einer möglichen Ausführung eines Gebläserades mit einem erfindungsgemäßen Wuchtgewicht im Bereich II,
- Fig. 2
- eine stark vergrößerte Ansicht des Bereiches II in
Fig. 1 in einem Schnitt entsprechend der Schnittebene II-II inFig. 6 , - Fig. 3
- eine gesonderte Perspektivansicht einer Federklammer des erfindungsgemäßen Wuchtgewichtes,
- Fig. 4
- eine Perspektivansicht der Federklammer mit eingesetztem Zusatzgewicht,
- Fig. 5
- eine Seitenansicht des kompletten Wuchtgewichtes in Pfeilrichtung V gemäß
Fig. 4 , - Fig. 6
- eine Vorderansicht in Pfeilrichtung VI gemäß
Fig. 5 , wobei zusätzlich gestrichelt ein größeres Zusatzgewicht angedeutet ist, - Fig. 7
- eine Vorderansicht eines erfindungsgemäßen Zusatzgewichtes und
- Fig. 8
- einen Querschnitt durch das Zusatzgewicht in der Schnittebene VIII-VIII gemäß
Fig. 7 .
- Fig. 1
- an axially sectioned side view of a possible embodiment of an impeller with a balancing weight according to the invention in the area II,
- Fig. 2
- a greatly enlarged view of the area II in
Fig. 1 in a section corresponding to the section plane II-II inFig. 6 . - Fig. 3
- a separate perspective view of a spring clip of the balance weight according to the invention,
- Fig. 4
- a perspective view of the spring clip with inserted additional weight,
- Fig. 5
- a side view of the complete balancing weight in the direction of arrow V according to
Fig. 4 . - Fig. 6
- a front view in the direction of arrow VI according to
Fig. 5 , wherein in addition dashed a larger additional weight is indicated, - Fig. 7
- a front view of an additional weight according to the invention and
- Fig. 8
- a cross section through the additional weight in the sectional plane VIII-VIII according to
Fig. 7 ,
In den verschiedenen Figuren der Zeichnung sind gleiche Teile stets mit den gleichen Bezugszeichen versehen.In the various figures of the drawing, like parts are always provided with the same reference numerals.
in
Das erfindungsgemäße Wuchtgewicht 1 soll im Folgenden anhand der Darstellungen in
Das Wuchtgewicht 1 ist erfindungsgemäß zweiteilig ausgeführt, es besteht aus einer Federklammer 12 und einem Zusatzgewicht 14. Die Federklammer 12 weist einen Halteabschnitt 16 zum Befestigen auf dem Umfangsrand 10 der Deckscheibe 6 oder der Bodenscheibe 4 des Gebläserades 2 sowie einen Aufnahmeabschnitt 18 zur Halterung des Zusatzgewichtes 14 auf.The balancing weight 1 according to the invention is made in two parts, it consists of a
Wie am besten in
Das Zusatzgewicht 14 des erfindungsgemäßen Wuchtgewichts 1 ist gemäß
Der Halteabschnitt 16 ist in Anpassung an die Dicke des Umfangsrandes 10 des Gebläserades 2 derart ausgebildet, dass er kraft- und/oder formschlüssig auf den Umfangsrand 10 aufsteckbar ist. In ähnlicher Weise sind das Zusatzgewicht 14 und der Aufnahmeabschnitt 18 der Federklammer 12 in Anpassung aneinander derart ausgebildet, dass das Zusatzgewicht 14 lösbar kraft- und/oder formschlüssig in den Aufnahmeabschnitt 18 einsteckbar ist.The holding
Um einerseits eine schnelle und einfache Montage zu ermöglichen und andererseits eine gute und sichere Halterung zu gewährleisten, weist die Federklammer 12 - insbesondere in Seitenrandbereichen des gemeinsamen Stegabschnittes 20 - nach innen in den Halteabschnitt 16 vorstehende, insbesondere spitz zulaufende Haltekrallen 30 zum form- oder kraftformschlüssigen Eingriff in das Material des Umfangsrandes 10 des Gebläserades 2 auf: Weiterhin weist die Federklammer 12 - insbesondere in Seitenrandbereichen des äußeren Haltesteges 28 des Aufnahmeabschnittes 18 - nach innen in den Aufnahmeabschnitt 18 vorstehende, insbesondere spitz zulaufende Haltekrallen 32 zum form- oder kraftformschlüssigen Eingriff in das Zusatzgewicht 14 auf.On the one hand to allow quick and easy installation and on the other hand to ensure a good and secure support, the spring clip 12 - in particular in side edge regions of the common web portion 20 - inwardly into the holding
In der dargestellten, bevorzugten Ausführung weist das Zusatzgewicht 14 Haltevertiefungen 34 zum formschlüssigen Einrasten der Haltekrallen 32 der Federklammer 12 auf. Ein Lösen bzw. Auswechseln des Zusatzgewichtes 14 ist möglich durch elastisches Aufbiegen des Haltesteges 28, bis die Haltekrallen 32 außerhalb der Haltevertiefungen 34 liegen, so dass dann das Zusatzgewicht 14 aus dem Aufnahmeabschnitt 18 herausgenommen werden kann.In the illustrated, preferred embodiment, the
In besonders bevorzugter Ausführung weist das Zusatzgewicht 14 auf seinen zwei gegenüberliegenden Seitenflächen jeweils gleichartige Haltevertiefungen 34 auf, siehe
Zur Bildung der schräg vorstehenden Haltekrallen 30 weist der Stegabschnitt 20 im Bereich seiner Seitenränder zwei symmetrische, randoffen Freischnitte 36 auf, wobei der Stegabschnitt 20 um eine zwischen den beiden Freischnitten 36 verlaufende Biegelinie 38 so um einen stumpfen Winkel umgewinkelt ist, dass hierdurch die Haltekrallen 30 aus der ursprünglichen Ebene heraus schräg in den Halteabschnitt 16 hineinragen.To form the obliquely projecting retaining
In analoger Weise sind auch die Haltekrallen 32 durch zwei seitliche, symmetrische Freischnitte 40 des äußeren Haltesteges 28 gebildet, wobei der Haltesteg um eine zwischen den Freischnitten 40 verlaufende Biegelinie 42 so um einen stumpfen Winkel umgewinkelt ist, dass dadurch die Haltekrallen 32 aus der ursprünglichen Ebene des Haltesteges 28 heraus schräg in den Aufnahmeabschnitt 18 ragen.In an analogous manner, the retaining
Es sei noch erwähnt, dass das Zusatzgewicht 14 auch ohne die Haltevertiefungen 34 ausgebildet sein könnte; die spitzen, scharfkantigen Haltekralien 32 würden dannanalog zu den Haltekrallen 30 - in das Material geringfügig eingreifen bzw. eindringen.It should be noted that the
Wie noch in
Zum Auswuchten des Gebläserades 2 kann das Wuchtgewicht 1 in beliebiger bzw. notwendiger Anzahl an beliebigen Umfangsstellen von Deckscheibe 6 und/oder Bodenscheibe 4 befestigt werden, und zwar bevorzugt so, dass jeweils der Aufnahmeabschnitt 18 mit dem Zusatzgewicht 14 auf der radial nach innen weisenden Seite des Umfangsrandes 10 der Boden- bzw. Deckscheibe 4/6 angeordnet ist, siehe
Claims (10)
- A balancing weight (1) for balancing a fan wheel (2), whereby the balancing weight has a two-part configuration, consisting of a spring clamp (12) and a supplementary weight (14), whereby the spring clamp (12) has a holding section (16) for fastening to the fan wheel (2) and a receiving section (18) for holding the supplementary weight (14),
characterized in that
the spring clamp (12) is bent into an S-shape in such a way that the holding section (16) has a U-shaped configuration and, via a shared web section (20), it makes a transition to the likewise U-shaped receiving section (18). - The balancing weight according to claim 1,
characterized in that
the spring clamp (12) consists of a spring steel sheet, in the form of a one-piece bent shaped part. - The balancing weight according to claim 1 or 2,
characterized in that
the supplementary weight (14) consists of an especially metal flat material, in the form of a flat, cuboidal body. - The balancing weight according to one of claims 1 to 3,
characterized in that,
in an adaptation to the fan wheel (2), the holding section (16) is configured in such a way that it can be clamped with a non-positive fit and/or with a positive fit onto a circumferential rim (10) of the fan wheel (2). - The balancing weight according to one of claims 1 to 4,
characterized in that,
in an adaptation to each other, the receiving section (18) and the supplementary weight (14) are configured in such a way that the supplementary weight (14) can be inserted with a non-positive fit and/or with a positive fit into the receiving section (18). - The balancing weight according to one of claims 1 to 5,
characterized in that
the spring clamp (12), especially in side rim areas of the shared web section (20), has holding claws (30) extending inwards into the holding section (16) in order to engage with the material of the fan wheel (2). - The balancing weight according to one of claims 1 to 6,
characterized in that
the spring clamp (12), especially in side rim areas of an outer holding web (28) of the receiving section (18), has holding claws (32) extending inwards into the receiving section (18) in order to engage with the supplementary weight (14). - The balancing weight according to claim 7,
characterized in that
the supplementary weight (14) has holding indentations (34) in order to engage with the holding claws (32) of the spring clamp (12). - The balancing weight according to claim 8,
characterized in that
the supplementary weight (14) has identical holding indentations (34) that are each on two opposite side surfaces. - A spring clamp (12) for a balancing weight (1) according to one of the preceding claims,
characterized by an embodiment corresponding to the characterizing features of one of claims 1, 2 or 4 to 7.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2011/067768 WO2013053387A1 (en) | 2011-10-12 | 2011-10-12 | Balancing weight for a fan wheel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2766609A1 EP2766609A1 (en) | 2014-08-20 |
EP2766609B1 true EP2766609B1 (en) | 2016-03-30 |
Family
ID=44785865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11767712.0A Active EP2766609B1 (en) | 2011-10-12 | 2011-10-12 | Balancing weight for a fan wheel |
Country Status (6)
Country | Link |
---|---|
US (1) | US9638214B2 (en) |
EP (1) | EP2766609B1 (en) |
CN (1) | CN103857921B (en) |
ES (1) | ES2573131T3 (en) |
HU (1) | HUE028059T2 (en) |
WO (1) | WO2013053387A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016210454A1 (en) * | 2016-06-14 | 2017-12-14 | MTU Aero Engines AG | Balancing weight for a blade of a turbine stage |
JP7116301B2 (en) | 2018-06-15 | 2022-08-10 | ダイキン工業株式会社 | Blower |
JP7116300B2 (en) * | 2018-06-15 | 2022-08-10 | ダイキン工業株式会社 | Balance weight and blower |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2221747A (en) * | 1939-03-01 | 1940-11-19 | Ellen E Turner | Wheel balance weight |
US3512222A (en) * | 1968-02-27 | 1970-05-19 | George A Tinnerman | Panel clip |
US4043147A (en) * | 1976-06-15 | 1977-08-23 | The United States Of America As Represented By The Secretary Of The Air Force | Intershaft balance weight |
US6415481B1 (en) * | 1997-10-08 | 2002-07-09 | Stanley Fastening Systems, L.P. | Squeakless furniture spring anchor clip |
KR20000032976A (en) * | 1998-11-18 | 2000-06-15 | 윤종용 | Cross flow fan for air conditioner |
DE19957030A1 (en) * | 1999-11-26 | 2001-05-31 | Bosch Gmbh Robert | Weighting clip for balancing rotation of rotary body e.g. fan wheel, has pointed tongues at ends of its arms for penetrating surface of rotary body |
JP2002327697A (en) | 2001-04-27 | 2002-11-15 | Boc Edwards Technologies Ltd | Vacuum pump |
JP3974772B2 (en) * | 2001-11-16 | 2007-09-12 | Bocエドワーズ株式会社 | Vacuum pump |
ITMI20020097U1 (en) * | 2002-02-26 | 2003-08-26 | Faber Spa | FAN WITH INTERNAL ROTOR MOTOR WITH QUICK FIXING DEVICE OF AN IMPELLER |
US6796006B2 (en) * | 2002-04-25 | 2004-09-28 | Illinois Tool Works Inc. | Rib clip |
JP4333616B2 (en) * | 2005-03-28 | 2009-09-16 | トヨタ自動車株式会社 | Rotating body balance correcting member and rotating body balance correcting method |
DE102006057087B3 (en) | 2006-12-04 | 2008-06-19 | Minebea Co., Ltd. | Injection-molded plastic rotor for radial blower, is produced with integral hub including concentric recesses for balancing weights at differing axial and radial positions |
JP4978495B2 (en) | 2008-02-08 | 2012-07-18 | 株式会社デンソー | Centrifugal multi-blade fan |
US8631578B2 (en) * | 2009-10-01 | 2014-01-21 | Pratt & Whitney Canada Corp. | Radial balancing clip weight for rotor assembly |
DE102010011526A1 (en) | 2010-03-15 | 2011-09-15 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Radial fan arrangement |
CN201753703U (en) * | 2010-03-16 | 2011-03-02 | 广东顺威精密塑料股份有限公司 | Constant-flow wind wheel with balancing holes |
CN101922467B (en) * | 2010-03-24 | 2012-01-11 | 南通大通宝富风机有限公司 | Centrifugal blower |
CN201836125U (en) * | 2010-11-05 | 2011-05-18 | 奇鋐科技股份有限公司 | Balancing structure of annular axial flow fan |
-
2011
- 2011-10-12 WO PCT/EP2011/067768 patent/WO2013053387A1/en active Application Filing
- 2011-10-12 HU HUE11767712A patent/HUE028059T2/en unknown
- 2011-10-12 CN CN201180074064.0A patent/CN103857921B/en active Active
- 2011-10-12 ES ES11767712.0T patent/ES2573131T3/en active Active
- 2011-10-12 EP EP11767712.0A patent/EP2766609B1/en active Active
- 2011-10-12 US US14/342,462 patent/US9638214B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9638214B2 (en) | 2017-05-02 |
WO2013053387A1 (en) | 2013-04-18 |
ES2573131T3 (en) | 2016-06-06 |
CN103857921B (en) | 2016-08-17 |
EP2766609A1 (en) | 2014-08-20 |
US20140234106A1 (en) | 2014-08-21 |
CN103857921A (en) | 2014-06-11 |
HUE028059T2 (en) | 2016-11-28 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20140307 |
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