EP1475145A2 - Rührorgan - Google Patents
Rührorgan Download PDFInfo
- Publication number
- EP1475145A2 EP1475145A2 EP04010919A EP04010919A EP1475145A2 EP 1475145 A2 EP1475145 A2 EP 1475145A2 EP 04010919 A EP04010919 A EP 04010919A EP 04010919 A EP04010919 A EP 04010919A EP 1475145 A2 EP1475145 A2 EP 1475145A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- range
- bent portion
- stirring blade
- stirrer according
- angle
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0422—Numerical values of angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
Definitions
- the invention relates to a stirring element, in particular for dispersing gases in liquids, consisting of a plurality of stirring blades.
- stirring element By means of such a stirring element becomes one of the liquid to be stirred supplied gas dispersed in the smallest possible bubbles to a large Surface for the mass transfer between the gas and the liquid too create.
- the invention has the object on the basis of shortening the mixing time, while at the same time minimizing the power loss hold.
- each stirring blade in a Direction of rotation forward bent portion has.
- this section is seen on the rear in the direction of rotation Formed end of the stirring blade.
- the bent portion is seen in the radial direction in outer area and e.g. to the outer peripheral edge of the stirring blade formed extending.
- the ratio of the radial length L1 of the bent is Radial length section L2 of the entire stirring blade in the range of about 0.2 to 1.0, preferably in the range of about 0.4 to 0.6.
- the ratio of width B1 of the bent portion to the width B2 of the entire stirring blade in Range of about 0.1 to 1, preferably in the range of about 0.15 to 0.4.
- the stirring blade to the plane of rotation is at an angle ⁇ adjusted in the range of about 10 ° to 45 °, preferably in the range of about 20 ° to 30 °.
- the angle ⁇ is between the bent portion and the stirring blade in the range of about 10 ° to 45 °, preferably in the range from about 20 ° to 30 °.
- the ratio of radius of curvature R1 of bent portion to the outer radius R2 of the stirring blade in the range of about 0 to 0.3, preferably in the range of about 0.01 to 0.15.
- the bent portion provided with an approximately triangular end portion, for example, which has a Angle ⁇ to the bent portion forms, and directed away from the stirring blade is.
- the angle ⁇ may be in the range of about 0 ° to 45 °, preferably in the range from about 10 ° to 30 °.
- the stirring blade is seen at its front in the direction of rotation End provided with an end portion which at an angle ⁇ to the stirring blade and to the plane of the bent portion is bent to.
- the angle ⁇ can be in the range of about 0 ° to +/- 40 °, preferably in the range of about 0 ° lie to +/- 15 °.
- the ratio of width B4 of the bent portion to the total width B2 of the stirring blade in Range of about 0 to 0.5, preferably in the range of about 0.1 to 0.3.
- the ratio of radial length L3 of about triangular end portion to the radial length L4 of the bent Section about 0 to 1.0, preferably about 0.5 to 1.0.
- the ratio of width B3 of the approximately triangular Endabiteses to the width B1 of the bent portion about 0.05 to 0.75, preferably about 0.2 to 0.6.
- FIG. 1 shows a plan view of an agitator 10 with a hub 12 for attachment of the stirring element 10 on a stirring shaft, not shown.
- stirrer blades 14 are fixedly connected by means of holders 16, which are arranged at angular intervals of 120 ° to each other.
- the stirring blades 14 can also be attached directly to a stirrer shaft.
- the three Rhakblatter shown 14 represent only an example, it can Also, two or more blades are attached to the hub 12.
- the axis The agitator shaft, not shown, is 18, the outer radius of the stirring blades 14th is with R2 and the direction of rotation is clockwise and is with the arrow P denotes.
- the brackets 16 can transversely but also in a pointed or obtuse angle inclined to the axis 18 run.
- Each stirring blade 14 is bent with a forward rotation in the direction of rotation Section 20 provided at the rear end in the direction of rotation of the Agitator blade 14 is formed, and in the radial direction over part of the radial. Length of the stirring blade 14 e.g. to the outer peripheral edge extends.
- the ratio of the radial length L1 of the bent portion 20 to radial length L2 of the entire stirring blade 14 is for example in the range from about 0.2 to 1.0, and more preferably in the range of about 0.4 to 0.6.
- the ratio of the width B1 of the bent Section 20 to the total width B2 of the stirring blade 14, for example in Range of about 0.1 to 1.0, and more preferably in the range of about 0.15 to 0.4.
- the bent portion 20 is formed from a curved portion 26 with a radius of curvature R1 and an adjoining particular planar part 28, which may also be curved can be.
- the ratio of this radius of curvature R1 to the outer radius R2 of Stirring blade 14 is for example in the range of about 0 to 0.3, and in particular in the range of about 0.01 to 0.15.
- Starting from the stirring blade 14 extends the bent portion 20, based on the vertical Rotary axis 18, upwards, and then substantially forward in Direction of rotation of the stirring element 10.
- Each bent portion 20 is at its front end in the direction of rotation preferably with an approximately triangular end portion 22, for example provided an angle ⁇ to the part 28 of the bent portion 20th forms, and which is directed away from the stirring blade 14.
- the angle ⁇ is suitably in the range of about 0 ° to 45 °, and in particular in Range of about 10 ° to 30 °.
- the tip of the triangular end portion is in the example shown directed radially outward, but it may also be directed inwards.
- the ratio of the radial length L3 of the approximately triangular end portion 22 to the radial length L4 of the bent portion is furffle ⁇ igerweise about 0 to 1.0, and more preferably about 0.5 to 1.0.
- the ratio of the width B3 of the end portion 22 to the width B1 of the bent portion 20 is approximately in the range of 0.05 to 0.75, and in particular in the range of about 0.2 to 0.6.
- the stirring blade 14 is at an angle ⁇ to the plane of rotation D adjusted in the range of about 10 ° to 45 °, and in particular in the range from about 20 ° to 30 °.
- the bent portion 20, 28 forms the stirring blade 14 an angle ⁇ , the for example, in the range of about 10 ° to 45 °, and especially in the range of about 20 ° to 30 °.
- Each stirring blade 14 can be seen at its front end in the direction of rotation an end portion 24 which at an angle ⁇ to the stirring blade 14 and is bent to the plane of the bent portion 20, 28 to, wherein the Angle ⁇ for example in the range of about 0 ° to +/- 40 °, and in particular in Range may be from about 0 ° to +/- 15 °.
- the ratio of the width B4 (seen in the circumferential direction) of the bent End portion 24 to the total width B2 of the stirring blade 14 is suitably in the range of about 0 to 0.5, and especially in the range of about 0.1 to 0.3.
- the crease line between the parts 14 and 24 extends in the example shown transverse to the outer edge of the stirring blade 14, but it can also be an angle For this.
- the direction of rotation front of the end portion 24 may, as shown, rounded and / or bevelled, the bevel be formed in particular in the radially outer region of the stirring blade 14 can.
- the stirrer according to the invention allows good dispersion quality and only a slight decrease in power a significant shortening of the mixing time.
- the larger area of the stirring blades 14 relative to the surface of the bent Sections 20, 28 is achieved that the radial pumping action is eccentric and has an axial component.
- the combination of axial and radial Flow patterns lead to significantly lower mixing times in the stirred tank.
- the approximately box-shaped shape of the bent portions 20, 28 the Formation of gas cushions behind the stirring blades substantially avoided can be reduced, power losses are reduced in the dispersion of gases.
- the stirrer according to the invention combines thus the advantages of radially pumping and axially pumping stirrers.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Percussion Or Vibration Massage (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
Description
- Fig 1
- eine Draufsicht, und
- Fig. 2
- eine Seitenansicht des Erfindungsgemäßen Rührorganes zeigen.
Claims (15)
- Rührorgan, insbesondere zum Dispergieren von Gasen in Flüssigkeiten, bestehend aus einer Mehrzahl von Rührblättern, dadurch gekennzeichnet, daß jedes Rührblatt (14) einen in Drehrichtung nach vorne abgebogenen Abschnitt (20) aufweist.
- Rührorgan nach Anspruch 1, dadurch gekennzeichnet, daß der abgebogene Abschnitt (20) am in Drehrichtung gesehen hinteren Ende des Rührblattes (14) ausgebildet ist.
- Rührorgan nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der abgebogene Abschnitt (20) in radialer Richtung im äußeren Bereich des Rührblattes (14) ausgebildet ist.
- Rührorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Verhältnis von radialer Länge (L1 ) des abgebogenen Abschnittes (20) zur radialen Gesamtlänge (L2) des Rührblattes (14) im Bereich von etwa 0,2 bis 1,0, vorzugsweise im Bereich von etwa 0,4 bis 0,6 liegt.
- Rührorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in Umfangsrichtung gesehen das Verhältnis von Breite (B1) des abgebogenen Abschnittes (20) zur Gesamtbreite (B2) des Rührblattes (14) im Bereich von etwa 0,1 bis 1,0, vorzugsweise im Bereich von etwa 0,15 bis 0,4 liegt.
- Rührorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Verhältnis von Krümmungsradius (R1) des abgebogenen Abschnittes (20, 26) zum Außenradius (R2) des Rührblattes (14) im Bereich von etwa 0 bis 0,3, vorzugsweise im Bereich von etwa 0,01 bis 0,15 liegt.
- Rührorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der abgebogene Abschnitt (20) an seinem in Drehrichtung gesehen vorderen Endbereich einen beispielsweise etwa dreieckförmigen Endabschnitt (22) aufweist, der einen Winkel (γ) zum ebenen Teil (28) des abgebogenen Teiles (20) bildet, und vom Rührblatt (14) weg gerichtet ist.
- Rührorgan nach Anspruch 7, dadurch gekennzeichnet, daß der Winkel (γ) im Bereich von etwa 0° bis 45°, vorzugsweise im Bereich von etwa 10° bis 30° liegt.
- Rührorgan nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß das Verhältnis von radialer Länge (L3) des etwa dreieckförmigen Endabschnittes (22) zur radialen Länge (L4) des abgebogenen Abschnittes (20) etwa 0 bis 1,0, vorzugsweise etwa 0,5 bis 1,0 beträgt.
- Rührorgan nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß das Verhältnis von Breite (B3) des Endabschnittes (22) zur Breite (B1) des abgebogenen Abschnittes (20) etwa 0,05 bis 0,75, vorzugsweise etwa 0,2 bis 0,6 beträgt.
- Rührorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Rührblatt (!4) zur Drehebene (D) in einem Winkel (α) angestellt ist, der im Bereich von etwa 10° bis 45°, vorzugsweise im Bereich von etwa 20° bis 30° liegt.
- Rührorgan nach Anspruch 11, dadurch gekennzeichnet, daß der abgebogene Abschnitt (20, 28) einen Winkle (β) zum Rührblatt (14) bildet, der im Bereich etwa 10° bis 45°, vorzugsweise im Bereich von etwa 20° bis 30° liegt.
- Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Rührblatt (14) an seinem in Drehrichtung gesehen vorderen Ende einen Endabschnitt (24) aufweist, der in einem Winkel (δ) zum Rührblatt (14) und auf die Ebene des abgebogenen Abschnittes (20, 28) zu abgeknickt ist.
- Rührorgan nach Anspruch 13, dadurch gekennzeichnet, daß der Winkel (δ) im Bereich von etwa 0° bis +/- 40°, vorzugsweise im Bereich von etwa 0° bis +/- 15° liegt.
- Rührorgan nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß das Verhältnis von Breite (B4) des abgeknickten Endabschnittes (24) zur Gesamtbreite (B2) des Rührblattes (14) im Bereich von etwa 0 bis 0,5, vorzugsweise im Bereich von etwa 0,1 bis 0,3 liegt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20307199U DE20307199U1 (de) | 2003-05-08 | 2003-05-08 | Rührorgan |
| DE20307199U | 2003-05-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1475145A2 true EP1475145A2 (de) | 2004-11-10 |
| EP1475145A3 EP1475145A3 (de) | 2005-01-19 |
| EP1475145B1 EP1475145B1 (de) | 2007-10-10 |
Family
ID=27588915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04010919A Expired - Lifetime EP1475145B1 (de) | 2003-05-08 | 2004-05-07 | Rührorgan |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7296925B2 (de) |
| EP (1) | EP1475145B1 (de) |
| AT (1) | ATE375198T1 (de) |
| DE (2) | DE20307199U1 (de) |
| DK (1) | DK1475145T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10105663B2 (en) * | 2014-04-04 | 2018-10-23 | Milton Roy Europe | Stirring propeller with blades made of sheet bent along two longitudinal bends |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003074164A1 (en) * | 2002-03-01 | 2003-09-12 | Glaxo Group Limited | Rotary blending apparatus and system |
| US7114844B2 (en) * | 2003-03-03 | 2006-10-03 | Spx Corporation | Aeration apparatus and method |
| DE20307199U1 (de) * | 2003-05-08 | 2003-07-10 | Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim | Rührorgan |
| NL1027600C2 (nl) * | 2004-11-26 | 2006-05-29 | Andries Visser | Inrichting en werkwijze voor het beluchten van afvalwater. |
| DE202006007423U1 (de) * | 2006-05-09 | 2007-09-13 | EKATO Rühr- und Mischtechnik GmbH | Rührorgan |
| TW200944287A (en) * | 2007-12-21 | 2009-11-01 | Philadelphia Gear Corp | Gas foil impeller |
| FI121621B (fi) * | 2009-03-11 | 2011-02-15 | Outotec Oyj | Sekoitin lietteen sekoittamiseksi metallurgisissa prosesseissa |
| GB0907260D0 (en) * | 2009-04-28 | 2009-06-10 | Ge Healthcare Uk Ltd | Method and apparatus for maintaining microcarrier beads in suspension |
| DE102010004206A1 (de) | 2009-06-08 | 2010-12-09 | EKATO Rühr- und Mischtechnik GmbH | Rühranrodnung |
| KR101477936B1 (ko) * | 2010-07-30 | 2014-12-30 | 토탈 리서치 앤드 테크놀로지 펠루이 | 촉매 슬러리 제조 시스템의 용도 |
| US9108170B2 (en) | 2011-11-24 | 2015-08-18 | Li Wang | Mixing impeller having channel-shaped vanes |
| FI123826B (en) * | 2012-02-20 | 2013-11-15 | Outotec Oyj | Axial flow propeller blade and axial flow propeller |
| US9241595B2 (en) * | 2013-03-01 | 2016-01-26 | Whirlpool Corporation | Cooking and mixing appliance kit |
| CA156862S (en) * | 2013-12-04 | 2015-01-14 | Outotec Finland Oy | Impeller for hydrometallurgical mixer |
| DE102014110542A1 (de) * | 2014-07-25 | 2016-01-28 | EKATO Rühr- und Mischtechnik GmbH | Rührorganvorrichtung |
| US9878295B2 (en) | 2015-04-13 | 2018-01-30 | Pall Corporation | Fluid impeller for bioprocessing |
| EP3213811B1 (de) * | 2016-03-01 | 2022-10-12 | Sulzer Management AG | Schaufel für ein laufrad eines rührers, laufrad und rührer |
| CN107774181A (zh) * | 2016-08-31 | 2018-03-09 | 上海柏阁日用品有限公司 | 带有叶片的液体搅拌器 |
| DE102017003422A1 (de) * | 2017-04-07 | 2018-10-11 | Stelzer Rührtechnik International GmbH | Rührblatt für ein Rührelement |
| US12390773B2 (en) | 2019-08-15 | 2025-08-19 | Nov Process & Flow Technologies Us, Inc. | Gas dispersion system |
| USD953388S1 (en) * | 2019-08-30 | 2022-05-31 | Kazuo Sato | Food industry machine |
| CN111939786A (zh) * | 2020-09-02 | 2020-11-17 | 北京德鑫合众环保工程有限公司 | 一种厨余垃圾处理设备的搅拌仓结构 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US1011259A (en) * | 1910-06-15 | 1911-12-12 | George W Smith | Fan. |
| US1473066A (en) * | 1922-03-20 | 1923-11-06 | Merritt R Wells | Fan for automobile radiators or the like |
| US1597175A (en) * | 1925-03-17 | 1926-08-24 | Boening Ernest | Propeller |
| US1827225A (en) * | 1929-01-14 | 1931-10-13 | Rolla B Ferreby | Centrifugal propeller for dirigible balloons |
| US2003073A (en) * | 1930-08-08 | 1935-05-28 | Gen Regulator Corp | Propeller |
| US2028413A (en) * | 1934-07-06 | 1936-01-21 | Augustus J Sackett | Aerating apparatus for fertilizer and the like |
| US2384952A (en) * | 1942-09-02 | 1945-09-18 | Mixing Equipment Co Inc | Dispersing agitator |
| US3030083A (en) * | 1959-03-25 | 1962-04-17 | Hugh A Stiffler | Agitator wheel |
| US3166303A (en) * | 1961-08-09 | 1965-01-19 | Barton B Chapman | Power-driven mixing apparatus |
| US3147958A (en) * | 1963-02-13 | 1964-09-08 | Hugh A Stiffler | Ice cream-milk mixer |
| EP0052298A3 (de) * | 1980-11-18 | 1983-04-06 | Herbert Rieger | Rührwerk für Gärbehälter für Traubenmaische |
| GB2143440A (en) * | 1983-07-21 | 1985-02-13 | Morton Robert Dg Ltd | Mixers |
| SE461444B (sv) * | 1985-11-21 | 1990-02-19 | Boerje Skaanberg | Impellerapparat foer omroerning av vaetska under dispergering av gas daeri |
| US5198156A (en) * | 1986-02-17 | 1993-03-30 | Imperial Chemical Industries Plc | Agitators |
| US4896971A (en) * | 1987-03-26 | 1990-01-30 | General Signal Corporation | Mixing apparatus |
| US5090816A (en) * | 1989-02-09 | 1992-02-25 | Thomas Socha | Fluid mixing device |
| EP0441505A1 (de) * | 1990-02-05 | 1991-08-14 | Imperial Chemical Industries Plc | Rührwerk |
| GB2249144A (en) * | 1990-10-22 | 1992-04-29 | Roland Store | Turbine for oscillating fluid flow systems |
| US5316443A (en) * | 1991-10-04 | 1994-05-31 | Chemineer, Inc. | Reversible mixing impeller |
| JP2987073B2 (ja) * | 1995-03-17 | 1999-12-06 | 株式会社日立製作所 | 攪拌翼、攪拌装置並びに攪拌方法 |
| US5791780A (en) * | 1997-04-30 | 1998-08-11 | Chemineer, Inc. | Impeller assembly with asymmetric concave blades |
| US5988604A (en) * | 1997-10-10 | 1999-11-23 | General Signal Corporation | Mixing impellers especially adapted for use in surface aeration |
| US6860631B2 (en) * | 1998-09-28 | 2005-03-01 | The Penn State Research Foundation | Surface aeration impeller designs |
| US6715912B2 (en) * | 1998-09-28 | 2004-04-06 | The Penn State Research Foundation | Surface aeration impellers |
| US6190033B1 (en) * | 1999-04-09 | 2001-02-20 | Pfaulder, Inc. | High gas dispersion efficiency glass coated impeller |
| US6866414B2 (en) * | 2001-05-22 | 2005-03-15 | Jv Northwest, Inc. | Sanitary mixing assembly for vessels and tanks |
| TW512891U (en) * | 2001-12-26 | 2002-12-01 | Sheng-An Yang | Structure for vane blade of heat dissipation fan |
| US6986507B2 (en) * | 2002-09-26 | 2006-01-17 | Spx Corporation | Mass transfer method |
| US6896246B2 (en) * | 2002-12-12 | 2005-05-24 | Spx Corporation | Aeration apparatus and method |
| US7114844B2 (en) * | 2003-03-03 | 2006-10-03 | Spx Corporation | Aeration apparatus and method |
| DE20307199U1 (de) * | 2003-05-08 | 2003-07-10 | Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim | Rührorgan |
| US6877959B2 (en) * | 2003-06-03 | 2005-04-12 | Mixing & Mass Transfer Technologies, Llc | Surface aeration impellers |
| US7172337B2 (en) * | 2003-07-08 | 2007-02-06 | Philadelphia Mixing Solutions, A Division Of Philadelphia Gear Corporation | Low shear impeller |
-
2003
- 2003-05-08 DE DE20307199U patent/DE20307199U1/de not_active Expired - Lifetime
-
2004
- 2004-05-07 EP EP04010919A patent/EP1475145B1/de not_active Expired - Lifetime
- 2004-05-07 US US10/841,939 patent/US7296925B2/en not_active Expired - Lifetime
- 2004-05-07 AT AT04010919T patent/ATE375198T1/de not_active IP Right Cessation
- 2004-05-07 DE DE502004005173T patent/DE502004005173D1/de not_active Expired - Lifetime
- 2004-05-07 DK DK04010919T patent/DK1475145T3/da active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10105663B2 (en) * | 2014-04-04 | 2018-10-23 | Milton Roy Europe | Stirring propeller with blades made of sheet bent along two longitudinal bends |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1475145A3 (de) | 2005-01-19 |
| US20040228210A1 (en) | 2004-11-18 |
| DK1475145T3 (da) | 2008-02-11 |
| US7296925B2 (en) | 2007-11-20 |
| ATE375198T1 (de) | 2007-10-15 |
| DE502004005173D1 (de) | 2007-11-22 |
| EP1475145B1 (de) | 2007-10-10 |
| DE20307199U1 (de) | 2003-07-10 |
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