EP1967674B1 - Surface suction device for ponds or similar - Google Patents
Surface suction device for ponds or similar Download PDFInfo
- Publication number
- EP1967674B1 EP1967674B1 EP08004118.9A EP08004118A EP1967674B1 EP 1967674 B1 EP1967674 B1 EP 1967674B1 EP 08004118 A EP08004118 A EP 08004118A EP 1967674 B1 EP1967674 B1 EP 1967674B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction device
- water
- surface suction
- inlet opening
- opening
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000009182 swimming Effects 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims 7
- 239000000126 substance Substances 0.000 claims 1
- 238000007667 floating Methods 0.000 description 11
- 241000238634 Libellulidae Species 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
- E04H4/1209—Treatment of water for swimming pools
- E04H4/1263—Floating skimmers
Description
Die Erfindung betrifft einen Oberflächenabsauger für Teiche, Schwimmbecken oder ähnliche Gewässer bzw. Wasserbehältnisse nach dem Oberbegriff des Anspruchs 1.The invention relates to a surface extractor for ponds, swimming pools or similar bodies of water or water containers according to the preamble of claim 1.
Solche Oberflächenabsauger, in der Praxis Skimmer genannt, dienen dazu, auf der Wasseroberfläche schwimmende Verschmutzungen wie beispielsweise Blätter, Nadeln, Pollen, Federn usw. abzusaugen, damit die optisch sichtbare Verschmutzung entfernt wird und verhindert wird, daß diese Grobstoffe absinken und das Wasser mit zu vielen Nährstoffen anreichern, so daß es veralgt und trübe wird. Oberflächenabsauger sind daher insbesondere für Freiluftgewässer notwendig.Such surface skimmers, called skimmers in practice, serve to suck floating contaminants on the water surface, such as leaves, needles, pollen, feathers, etc., so that the optically visible contamination is removed and prevents these coarse materials from sinking and water too Enrich many nutrients, so that it becomes bad and cloudy. Surface extractors are therefore particularly necessary for open-air waters.
Herkömmliche Oberflächenabsauger werden der Einfachheit halber oft starr am Teichrand oder Schwimmbeckenrand angeordnet und haben dann eine dem Gewässer zugewandete Öffnung, durch die Oberflächenwasser mittels einer nachgeschalteten Pumpe eingesogen wird und die Verschmutzungen in einem Schmutzauffangbehälter aufgefangen werden. Manchmal ist die Anordnung des Oberflächenabsaugers am Teichrand aus optischen Gründen oder aufgrund der Landschaftsgegebenheit nicht möglich und teilweise auch wegen der Gewässergeometrie nicht sinnvoll. In diesen Fällen finden Oberflächenabsauger Verwendung, die an einer beliebigen Position, beispielsweise mitten im Teich zum Einsatz kommen und daher Oberflächenwasser aus mehreren Richtungen ansaugen können sollten. Diese Oberflächenabsauger haben eine ringförmige Einlaufrandöffnung. Zur Anpassung an den Wasserstand befindet sich der Einlaufrand an einem gegen das übrige Gerät höhenverschieblichen Rohr. Derartige Oberflächenabsauger sind entweder mit einem Standfuß auf dem Teichboden aufgestellt oder, wie beispielsweise in der
Die
Der Erfindung liegt daher die Aufgabe zugrunde, einen Oberflächenabsauger zu schaffen, der die vorgenannten Probleme vermeidet und geeignet ist, die Wasserqualität weiter zu verbessern.The invention is therefore based on the object to provide a Oberflächenabsauger, which avoids the aforementioned problems and is suitable to further improve the water quality.
Erfindungsgemäß wird diese Aufgabe durch einen Oberflächenabsauger mit den Merkmalen des Anspruchs 1 gelöst. Durch die Kombination der Skimmerfunktion des Oberflächenabsaugers mit einer Belüftungseinrichtung und deren spezieller Gestaltung werden gleichzeitig Verschmutzungen aus dem Wasser entfernt, und das Wasser wird mit Sauerstoff angereichert unterhalb der Wasseroberfläche wieder abgegeben, was die Wasserqualität zusätzlich verbessert. Indem einerseits die Einlauföffnung nur an einer Gehäuseseite angeordnet ist, andererseits der Oberflächenabsauger jedoch nicht starr befestigt, sondern beweglich, insbesondere auch drehbeweglich ausgebildet bzw. angeordnet ist, wird eine Schmutzabsaugung aus verschiedenen Gewässerbereichen ermöglicht. Dazu läßt man den Oberflächenabsauger sich entweder zumindest um seine Mittelachse frei drehen, so daß sich die Einlauföffnung im Verlauf der Benutzung in verschiedene Richtungen ausrichtet, oder die Position der Einlauföffnung kann auch aktiv verändert werden. Dies kann direkt oder indirekt zeitgesteuert beispielsweise über einen motorischen Antrieb oder auch nur durch eine Federvorspannung erfolgen.According to the invention this object is achieved by a Oberflächenabsauger with the features of claim 1. By combining the skimmer function of the surface aspirator with a ventilation device and their special design at the same time contaminants are removed from the water, and the water is enriched with oxygen released below the water surface, which further improves the water quality. By on the one hand the inlet opening is arranged only on one side of the housing, on the other hand, the surface suction but not rigidly fixed, but movable, in particular rotatably designed or arranged, a Schmutzabsaugung is made possible from different water body areas. For this purpose, the surface aspirator is allowed to rotate either at least about its central axis, so that the Aligned inlet opening in the course of use in different directions, or the position of the inlet opening can also be actively changed. This can be done directly or indirectly time-controlled, for example via a motor drive or only by a spring preload.
Bevorzugt wird die Einlauföffnung durch eine Einströmklappe seitlich des Gehäuses gebildet, über die ein Ansaugen oberflächlich aufschwimmender Verschmutzungen verlustarm durch diese Klappenöffnung erfolgt und nicht wie im Stand der Technik über den Rand eines Rohrkörpers. Dadurch kann es bei dem erfindungsgemäßen Oberflächenabsauger auch nicht zu einem Verkanten, Kippen oder durch Schrägstellung unzulänglichem Absaugvorgang kommen. Die Anpassung an den jeweiligen Wasserstand erfolgt selbsttätig, indem die Einströmklappe mit ihrer Oberkante höhenvariabel zum Gehäuse angebunden ist. Auf fertigungstechnisch besonders einfache und wenig anfällige Weise wird dies durch eine schwenkbewegliche Anlenkung der Einströmklappe im unteren Bereich bewirkt.Preferably, the inlet opening is formed by an inflow flap laterally of the housing, via which a suction superficially floating impurities is low loss through this flap opening and not over the edge of a tubular body as in the prior art. As a result, in the surface aspirator according to the invention, tilting, tilting or inadequate suction due to inclination can also not occur. The adaptation to the respective water level takes place automatically by the inlet flap with its upper edge is height-variable connected to the housing. In manufacturing technology particularly simple and less prone manner, this is effected by a pivotable articulation of the inlet flap in the lower region.
Der erfindungsgemäße Oberflächenabsauger kann beispielsweise über einen Standfuß am Gewässerboden festgelegt werden. Diese Festlegung muß dann so erfolgen, daß die Einlauföffnung des Oberflächenabsaugers sich in verschiedene Richtungen ausrichten kann, z.B. durch eine zumindest drehbewegliche Befestigung des Oberflächenabsaugers. Vorzugsweise wird der Oberflächenabsauger jedoch im Wasser selbsttragend, d.h. schwimmend, ausgebildet, so daß er entweder an der Oberfläche frei völlig treiben kann oder sein Bewegungsradius über eine zusätzliche Verankerung am Grund beschränkt wird.The surface aspirator according to the invention can be determined, for example, via a stand on the bottom of the water. This determination must then be made so that the inlet opening of the surface aspirator can align in different directions, for example by an at least rotatable attachment of the surface aspirator. Preferably, however, the surface aspirator is self-supporting, ie floating, in water, so that it can either freely float freely on the surface or its radius of movement is limited by an additional anchoring at the bottom.
Weitere Vorteile und Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und einem in den Zeichnungen dargestellten Ausführungsbeispiel, das im folgenden beschrieben wird; es zeigen:
- Fig. 1
- einen Oberflächenabsauger in Seitenansicht,
- Fig. 2
- eine Draufsicht aus Richtung II auf den Gegenstand aus
Fig. 1 und - Fig. 3
- einen Teilschnitt in Richtung III-III durch den Gegenstand aus
Fig. 2 .
- Fig. 1
- a surface suction in side view,
- Fig. 2
- a plan view of the direction II on the object
Fig. 1 and - Fig. 3
- a partial section in the direction of III-III through the subject
Fig. 2 ,
Der dargestellte Oberflächenabsauger besitzt ein Gehäuse 1, in dessen oberen Bereich sich ein Schmutzauffangbehälter 2 befindet, der mit Hilfe eines Griffs 3 zur Entleerung leicht nach oben herausgenommen werden kann. In einem unterhalb des Schmutzauffangbehälters 2 angeordneten Gehäuseteil ist bei der dargestellten Ausführungsform eine Pumpe 4 integriert, so daß das Gerät als eigenständige Filteranlage arbeiten kann. Weiterhin können nicht separat dargestellte Grob-, Fein-und/oder Feinstfilter sowie biologische Reinigungseinrichtungen, z.B. eine UVC-Leuchte, vorgesehen und in das Gerät integriert sein, ggf. sogar im Gehäuse 1 oder im Pumpenaggregat 4 angeordnet. Die Pumpe 4 hat einen oder mehrere nicht abgebildete Saugeingänge, die auch über Oberflächenöffnungen der Pumpe ausgebildet sein können. Ein Wasserausgang 5 leitet das gereinigte Wasser in die Umgebung zurück, so daß durch den Oberflächenabsauger auch eine Umwälzung stattfindet.The surface suction shown has a housing 1, in the upper region of which there is a
Das dargestellte Ausführungsbeispiel ist im Wasser selbsttragend ausgebildet und schwimmt durch vorgesehene Schwimmkörper 6 an der Wasseroberfläche 7. Die gewählte Ausführungsform mit drei unter einem Winkel von jeweils 120° angeordneten Schwimmkörpern 6 gewährleistet eine sichere und stabile Schwimmlage des Oberflächenabsaugers. Da die Schwimmkörper 6 relativ weit ausladen, können sie zu Transport- und Lagerzwecken abgenommen werden. Sie sind bevorzugt in entsprechende in
Die Schwimmkörper 6 sind zumindest in der Draufsicht wie in
Die Einströmklappe 16 ist bei der dargestellten Ausführungsform um eine Achse 19 schwenkbeweglich am Gehäuse 1 festgelegt, so daß die Oberkante 20 der Einströmklappe 16 durch verschieden tiefes Einschwenken gegenüber dem Gehäuse 1 höhenvariabel ist. Zur Verdeutlichung zeigt
Die Belüftungseinrichtung zur zusätzlichen Wasser- bzw. Teichbelüftung wird bei dem dargestellten Oberflächenabsauger dadurch verwirklicht, daß sich eine in den
Die Ausblasöffnung 5 ist vorzugsweise so auszurichten, daß zumindest im wesentlichen keine Luft im Bereich der Einströmklappe 16 aufsteigt, da die aufsteigenden Luftblasen sonst die Ansaugung der auf dem Wasser treibenden Verschmutzungen behindern könnten. Bei der dargestellten Ausführungsform ist die Ausblasöffnung 5 daher besonders vorteilhaft auf der der Einströmklappe 16 entgegengesetzten Seite des Gehäuses 1 angeordnet. Sie kann wie dargestellt mit mehreren Ausgängen versehen sein und das Wasser-Luft-Gemisch wie dargestellt z.B. in zwei Richtungen unter einem Winkel herauslassen. Das aus dem kombinierten Wasserausgang mit Ausblasöffnung 5 austretende Wasser-Luft-Gemisch erfüllt dabei zusätzlich eine gewisse Antriebsfunktion, so daß die gewünschte Bewegung des Oberflächenabsaugers auf der Wasseroberfläche 7 unterstützt wird und eine gleichmäßige Schmutzabsaugung aus allen Bereichen des Gewässers erfolgt.The exhaust opening 5 is preferably to be aligned so that at least substantially no air rises in the region of the
Der erfindungsgemäße Oberflächenabsauger ist besonders flexibel einsetzbar, dabei jedoch im Aufbau einfach und extrem wenig störungsanfällig. Er trägt durch die gleichzeitige Oberflächenschmutzabsaugung und die Sauerstoffanreicherung über die Belüftungseinrichtung zu einer erheblich verbesserten Wasserqualität bei. Die Kombination beider Funktionen und deren Betrieb mit nur einer Pumpe 1 schafft Synergien sowohl in Ausgestaltung und Energieverbrauch als auch durch die die Skimmerfunktion unterstützende Wasser- und Luftbewegung der Belüftungseinrichtung.The surface aspirator according to the invention can be used particularly flexibly, but is simple in construction and extremely less prone to failure. It contributes to the significantly improved water quality through the simultaneous surface dirt suction and the oxygenation via the aeration device. The combination of both functions and their operation with only one pump 1 creates synergies both in design and energy consumption as well as by the skimmer function supporting water and air movement of the ventilation device.
Claims (14)
- Surface suction device for ponds, swimming pools or similar water repositories, having a housing (1) having an inlet opening and a subsequently disposed dirt collection container (2) for coarse substances, through which the water to be cleaned is drawn using a downstream pump (4), wherein the inlet opening is situated on a housing side and the surface suction device is configured to be movable, in such a manner that the inlet opening can orient itself in different directions during operation of the surface suction device, characterized in that the surface suction device has a ventilation device by means of which air is blown into the water, and the ventilation device has an air intake line (21) that extends from an intake opening (22) disposed above the water surface (7) to a discharge opening (5) disposed below the water surface.
- Surface suction device according to claim 1, characterized in that the ventilation device is operated by means of the pump (4).
- Surface suction device according to claim 1 or 2, characterized in that the air intake line (21) is connected with a water discharge line (13) that leads to a water exit (5) disposed below the water surface, which also forms the discharge opening (5).
- Surface suction device according to one of the preceding claims, characterized in that the discharge opening (5) is oriented in such a manner that the air rises at least substantially not in the region of the inlet opening.
- Surface suction device according to claim 4, characterized in that the discharge opening (5) is substantially directed toward a side opposite the inlet opening.
- Surface suction device according to one of the preceding claims, characterized in that the inlet opening is formed by an inflow flap (16) disposed so as to pivot, the upper edge (20) of which flap, limiting the inflow of water, is connected to the housing (1) in height-variable manner.
- Surface suction device according to one of the preceding claims, characterized in that it is configured to support itself in the water.
- Surface suction device according to claim 7, characterized in that it has flotation elements (6) connected with the housing (1).
- Surface suction device according to claim 8, characterized in that the flotation elements (6) are connected with the housing (1) by means of being inserted into recesses (9) provided for this surface.
- Surface suction device according to claim 7 or 8, characterized in that at least the flotation elements (6) adjacent to the inlet opening are configured as flow guide elements that direct the inflowing water stream (17) to the inlet opening.
- Surface suction device according to one of claims 8 to 10, characterized in that the flotation elements (6) are configured substantially in prow shape.
- Surface suction device according to claim 10 or 11, characterized in that the inlet opening is disposed substantially as an extension of the prow sides (18) of the adjacent flotation elements (6).
- Surface suction device according to one of claims 8 to 12, characterized in that the air intake line (21) extends through a flotation element (6) and the intake opening (22) is situated on the flotation element (6).
- Surface suction device according to one of the preceding claims, characterized in that it has a pump (4) and/or filter and/or a biological cleaning device (UVC) integrated into it.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007011972A DE102007011972B4 (en) | 2007-03-09 | 2007-03-09 | Surface suction for ponds or the like |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1967674A2 EP1967674A2 (en) | 2008-09-10 |
EP1967674A3 EP1967674A3 (en) | 2013-02-27 |
EP1967674B1 true EP1967674B1 (en) | 2014-02-12 |
Family
ID=39591627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08004118.9A Active EP1967674B1 (en) | 2007-03-09 | 2008-03-06 | Surface suction device for ponds or similar |
Country Status (5)
Country | Link |
---|---|
US (1) | US7686951B2 (en) |
EP (1) | EP1967674B1 (en) |
CN (1) | CN101260746B (en) |
CA (1) | CA2624576A1 (en) |
DE (1) | DE102007011972B4 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110247970A1 (en) * | 2010-04-08 | 2011-10-13 | Michael Evingham | Portable Pump And Filter Assembly For Use In Pools, Spas And Open Bodies Of Water |
US9016290B2 (en) | 2011-02-24 | 2015-04-28 | Joseph E. Kovarik | Apparatus for removing a layer of sediment which has settled on the bottom of a pond |
US20130098823A1 (en) * | 2011-10-20 | 2013-04-25 | Zebra Skimmers Corp. | Buoyant skimmer |
US9193616B2 (en) * | 2012-10-18 | 2015-11-24 | Bader Shafaqa Al-Anzi | Mobile buoyant aerator |
CN103353039A (en) * | 2013-03-05 | 2013-10-16 | 苏州威琅智能系统集成有限公司 | Turnover-proof shallow water area fire pump joint |
US11375698B2 (en) * | 2013-03-15 | 2022-07-05 | Stephen D. Roche | Self-cleaning pre-filter for a water circulation pump |
US9580336B2 (en) * | 2013-11-12 | 2017-02-28 | Louis Pasoz | System for removal of contaminants in water |
CN104628083A (en) * | 2015-01-22 | 2015-05-20 | 江苏兆年涂装科技有限公司 | Suspended suction device |
KR101697219B1 (en) * | 2015-03-23 | 2017-01-17 | 서울대학교산학협력단 | Drone Type Device System and Method For Cleaning Floating Pollutant |
DE102015121874B4 (en) | 2015-12-15 | 2018-07-26 | Sascha Klein | Drainage device for rainwater |
DE102016002334A1 (en) * | 2016-02-26 | 2017-08-31 | Thomas Amminger | Device for cleaning water surfaces |
KR101752689B1 (en) * | 2016-09-23 | 2017-06-30 | 채인원 | Floating type water purifying system |
DE202018000866U1 (en) | 2018-02-20 | 2018-05-02 | Andreas Keilhaue | Skimmervorrichtung |
DE102018001306B4 (en) | 2018-02-20 | 2019-09-05 | Andreas Keilhaue | Skimmervorrichtung |
US11525275B2 (en) | 2018-07-19 | 2022-12-13 | Scott Jung | Reconfigurable vacuum and skimmer attachment |
CN211286841U (en) * | 2019-07-31 | 2020-08-18 | 贝尔格莱维亚伍德有限公司 | Buoyant cleaning device for above-ground pool |
RU206319U1 (en) * | 2021-03-18 | 2021-09-06 | Общество с ограниченной ответственностью "Производственно-коммерческая фирма АВАНГАРД" | Floating device for cleaning the surface of water bodies |
Family Cites Families (18)
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US2989185A (en) * | 1958-01-31 | 1961-06-20 | Oliver M Lombardi | Surface skimmer for swimming pools and method |
US4287060A (en) * | 1978-09-19 | 1981-09-01 | Confinement Investors, Inc. | Aeration system for solid biological waste |
DE2909572A1 (en) * | 1979-03-12 | 1980-09-25 | Hoechst Ag | METHOD FOR CONVERTING EXTRACTION RESIDUES FROM PHOSPHORIC ACID CLEANING IN SOLID DEPOSITE PRODUCTS |
AT374548B (en) * | 1979-04-17 | 1984-05-10 | Karsten Laing | FLOATING POOL CLEANING DEVICE |
US4746424A (en) * | 1986-11-03 | 1988-05-24 | Drew Richard H | Floating swimming pool skimmer |
US4732682A (en) * | 1986-11-03 | 1988-03-22 | Poscon, Inc. | Aeration apparatus and method |
US4900432A (en) * | 1989-01-24 | 1990-02-13 | Arnold Aaron L | Pool surface cleaner |
US5498348A (en) * | 1991-10-14 | 1996-03-12 | Plink; Max R. | Mobile floating surface skimmer |
DE4302978C2 (en) | 1993-02-03 | 2003-12-24 | Kruelland Andreas Kruell Gmbh | Floating filter system for swimming pools |
US5478473A (en) * | 1993-04-09 | 1995-12-26 | Zaidan Hojin Nanyo Kyokai | Method and device for purifying water |
US5565096A (en) * | 1995-07-21 | 1996-10-15 | Phelan; John J. | Natural filter for ecological system |
US6187181B1 (en) * | 1999-11-01 | 2001-02-13 | Polaris Pool Systems, Inc. | Floating skimmer |
DE20004532U1 (en) * | 2000-03-10 | 2000-12-07 | Mueller Ute | Water surface cleaning device |
US6274047B1 (en) * | 2000-03-13 | 2001-08-14 | Gary G. Bates | Skimmer assembly |
US6461501B1 (en) * | 2001-05-11 | 2002-10-08 | Hardscape Materials, Inc. | Ornamental pond skimmer and filter apparatus |
US7022223B2 (en) * | 2003-05-13 | 2006-04-04 | Tesomas Holdings Llc | Methods and systems for removing floating solid waste from the surface of a watercourse |
US7144501B2 (en) * | 2004-05-27 | 2006-12-05 | Aquascape Designs, Inc. | Skimmer construction |
US7517459B2 (en) * | 2004-07-15 | 2009-04-14 | Usa Pelican Inc. | Vessel with oxygenation system and decontamination method |
-
2007
- 2007-03-09 DE DE102007011972A patent/DE102007011972B4/en not_active Expired - Fee Related
-
2008
- 2008-03-06 EP EP08004118.9A patent/EP1967674B1/en active Active
- 2008-03-07 CN CN2008100951783A patent/CN101260746B/en active Active
- 2008-03-07 US US12/043,981 patent/US7686951B2/en active Active
- 2008-03-07 CA CA002624576A patent/CA2624576A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN101260746B (en) | 2012-05-30 |
CA2624576A1 (en) | 2008-09-09 |
CN101260746A (en) | 2008-09-10 |
EP1967674A2 (en) | 2008-09-10 |
US7686951B2 (en) | 2010-03-30 |
US20080217229A1 (en) | 2008-09-11 |
DE102007011972B4 (en) | 2010-04-22 |
EP1967674A3 (en) | 2013-02-27 |
DE102007011972A1 (en) | 2008-09-18 |
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Legal Events
Date | Code | Title | Description |
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