EP1608875A1 - Radiallüfterrad, lüftereinheit und radiallüfteranordnung - Google Patents
Radiallüfterrad, lüftereinheit und radiallüfteranordnungInfo
- Publication number
- EP1608875A1 EP1608875A1 EP04717095A EP04717095A EP1608875A1 EP 1608875 A1 EP1608875 A1 EP 1608875A1 EP 04717095 A EP04717095 A EP 04717095A EP 04717095 A EP04717095 A EP 04717095A EP 1608875 A1 EP1608875 A1 EP 1608875A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radial fan
- fan
- blade
- outlet diameter
- diameter
- 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
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/442—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps rotating diffusers
-
- 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
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
-
- 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
- F04D29/288—Part of the wheel having an ejecting effect, e.g. being bladeless diffuser
Definitions
- the invention relates to a radial fan with backward inclined vanes, a fan unit and a radial fan assembly.
- Such radial fan wheels or radial impellers are e.g. used in air conditioning and ventilation technology.
- impellers with 30-40 vanes extending from inside to outside in the direction of travel are used in aeration technology with diameters of 160 to 400 mm in conjunction with flow-forming volute casings. Their static efficiency is about 30 to 35%.
- Such an impeller is known from JP 06299993.
- An embodiment as a centrifugal fan with converging exit ring shows the US 1,447,915, in which the centrifugally accelerated air is additionally accelerated by the radially outwardly converging exit nozzle.
- EP 0 848 788 shows an impeller in which the outer edges of the blades have an oblique edge inclined to the rotation axis and the peripheral end portions of the end plates are curved to lower the sound pressure in a frequency range of 50 to 300 Hz.
- the invention provides, according to a first aspect, a radial fan with a cover disc having an inlet opening and a bottom disc.
- the disks mentioned are connected to one another by means of a blade ring, which has guide vanes which run inclined from the inside to the outside against the running direction and are aligned in the axial direction.
- the outer edges of the vanes, which run parallel to the axis of rotation, define a vane exit diameter.
- At the top and bottom disc outer edge regions beyond the blade outlet diameter are formed, which define an annular diffusion space having an outer diameter, which is the bucket outlet diameter by up to 25% Medicaltrift, and whose cross-sectional profile is rectangular or trapezoidal expanded outwardly.
- Another aspect relates to a fan unit with a suction plate with integrated inlet nozzle, which is connected via a holder by means of carriers with a drive carrying the holder.
- a fan of the above type is arranged on a drive shaft between the drive and the inlet nozzle.
- a radial fan assembly comprising: a radial fan with a cover plate having an inlet opening and a bottom plate, which are connected to each other via a blade ring, which has curved from the inside to the outside in the direction of running and aligned in the axial direction blades whose outer edges, which run parallel to the axis of rotation, define a blade outlet diameter (DAs), outer edge regions projecting beyond the blade outlet diameter being formed on the cover and bottom disks, which define an annular diffusion space with an outer diameter (DN) which surrounds the blade outlet diameter (DAs) up to 25% overdried, and whose cross-sectional profile is formed rectangularly or trapezoidally widened outwards; and a zone that is radially adjacent to the diffusion space and the end face on at least one outer edge region, and has no the pressure and / or velocity profile of a fluid flowing through this zone substantially influencing vanes.
- DAs blade outlet diameter
- DN outer diameter
- DAs blade outlet diameter
- FIG. 2 shows an axial section of the fan wheel shown in FIG. 1 along the axis of rotation
- Fig. 6a and b show an arrangement of a free-running fan in a climate box in axial section and cross section
- Fig. 7a and b show an arrangement of a (non-free-running) impeller in a spiral housing in axial section and cross section.
- Fig. 1 shows a three-dimensional view of a fan.
- the cross-sectional profile of this "diffusion ring" can be designed to be rectangular in a particularly simple manner in terms of construction and manufacturing technology, in that the outside diameters of the cover and bottom disks are increased correspondingly to the blade outlet diameter. It may alternatively be widened outwardly in a trapezoidal shape, wherein the additional cross-sectional widening of the diffusion effect is enhanced and thus the efficiency can be increased, and the diameter of the wheel is reduced.
- the outer diameter (DN) of the diffusion space exceeds the blade exit diameter (D Ss) by 8% to 20%, preferably 10 to 15%, and more preferably 12%. These are the diameter ranges in which the mentioned effect occurs the most.
- the outer edge region e.g., 7 in Figures 4 and 5
- a plane normal to the rotation axis form an angle ⁇ that is less than 35 °, and less than 25 °, for example.
- the angle ⁇ is 12 °.
- the inlet opening of the cover disk is widened in a trumpet shape inwards.
- the inner edges of the vanes have a convex curvature in the connection area to the cover disk.
- the bottom disc (eg, 1 in Figures 1-6) is provided with a hub assembly (eg, 9).
- the number of blades of the fan is in the range of six to ten blades.
- the blade entry angle is in the range of 19 ° to 25 °, for example, the blade exit angle is in the range of 28 ° to 34 ° (the indicated values are each included).
- the embodiments also show fan units with a suction plate (eg 7) with integrated inlet nozzle (eg 18), which has a holder (eg 19) by means of carriers (eg 20) with a holder (eg 22) carrying the holder (eg 21). is connected, wherein a fan according to one of the embodiments on a drive shaft (eg 23), between the drive and the inlet nozzle is arranged.
- a radial fan arrangement comprises, for example: a radial fan with a cover plate having a inlet opening and a bottom plate, which are connected to one another via a blade ring, which has curved and axially aligned blades, which are curved from inside to outside in the axial direction outer edges extending to the axis of rotation define a blade outlet diameter (DAs), outer edge regions protruding beyond the blade outlet diameter being formed on the cover and bottom disks, which define an annular diffusion space with an outer diameter (DN) which reduces the blade outlet diameter (DAs) by up to 25 % Transposed, and whose cross-sectional profile is formed rectangularly or trapezoidally widened outwards; and a zone radially to the diffusion space and has frontally adjacent to at least one outer edge region, and none of the pressure and / or velocity profile of
- said fan wheels are referred to as free-running fan wheels, e.g. used in essentially cube-shaped air conditioning boxes. In other embodiments, the use of the fan wheels in spiral housings
- the illustrated fan wheel is formed from a flat bottom disk 1, a blade ring consisting of a plurality of stator blades 2 and a cover disk 3.
- Bottom and cover plate 1, 3 are arranged concentrically with respect to the axis of rotation 4 at a distance B and are connected to each other via the blade ring.
- the cover disk 3 has an inlet opening 5 with the diameter DE, through which a flow medium is sucked during operation.
- the cover plate 3 extends in a trumpet-shaped manner from a front edge 6 bordering the inlet opening 5 and radially into an outer edge area 7.
- the bottom plate 1 is designed as a circular disk and carries a centrally arranged hub arrangement 9 with an opening 10. which can be connected to a drive unit to drive the fan wheel ( Figure 6).
- bottom disk and drive flange can also be formed in one piece.
- the bottom and cover disks are bounded radially by their outer edges 8 and are connected to one another via the blade ring at a distance B (drive with external rotor motor).
- the blade ring has seven stator blades 2, which are arranged uniformly in a star shape relative to the axis of rotation 4.
- the inner edges 11 facing the rotation axis 4 define a diameter DSi and the outer edges 12 define a blade outer diameter DSa.
- the actual vane blade extends radially outward and inclined towards the direction of travel R, where it ends at the vane outer edge 12 (FIG. 3).
- the axially extending vanes are curved with respect to the rotation axis 4 with the convex sides facing outward.
- a fan is also referred to as a backward curved impeller, it is provided in alternative (not shown) versions with eg 6 to 14 blades, while the vanes 2 can also be designed flat.
- Their side edges are suitably connected to the bottom or the cover plate 1, 3, wherein the contours of the side edges in their connection region in each case the curvature of the bottom 1 and the cover plate 3 follow.
- Outer and inner edge 12, 11, extend substantially parallel to the axis of rotation 4, wherein in the illustrated embodiment, the inner edge 11 is curved in the connection region to the cover plate for manufacturing and aerodynamic reasons.
- the blade entry angle ⁇ i (FIG. 3) here means the angle of the tangent at the inner root point of the blade to the circumference tangent passing through this root point, as the blade exit angle ⁇ corresponding to the angle of the tangent at the outer root point of the blade to the circumferential circumference tangent passing through this root point.
- the entrance and exit angles are the same; in the embodiments shown in the figures, the blades are less curved, so that the blade entry angle ⁇ x is smaller than the blade exit angle ⁇ 2 .
- Bottom and cover plate 1, 3 have an outer diameter DN, which is above the blade outer diameter DSa, so that between the outer edge 8 of the bottom plate 1 and the outer diameter Leitschaufel DSa an outer edge region 14 is defined.
- the distance between the cover and bottom plate 3, 1 or the blade width B is maximum:
- the fan wheel In operation, the fan wheel is moved in the drive direction R (FIG. 3), and the guide vanes convey the flow fluid inside the fan wheel to the outside, where it exits substantially radially at the impeller outer diameter DSa. Due to the negative pressure caused in the inside of the rotor fluid is sucked from the outside through the inlet opening 5.
- the flow direction thus extends coaxially through the inlet opening 5 in the interior of the impeller and is guided radially outward, wherein the Str ⁇ mungsquerrough constantly expanding.
- the flow first leaves the blade interspaces 15 at the diameter DSa in a diffusion space 16, the annular between the outer edges 12 of Leitschau- fine 2, the outer edge regions 7, 14 of the cover and the bottom plate 3, 1, and the outer diameter DN of corresponding outer edges 8 is defined.
- the design of this area affects the efficiency and noise of the fan.
- the so-called Carnot diffuser effect is avoided, which in the case of immediate release of the flow in axial direction - tion would occur.
- controlled diffusion takes place in the diffusion space, ie, the kinetic energy supplied to the fluid in the blade interspaces 15 converted into a pressure potential with low losses. That is, fluidically expressed: The kinetic pressure is converted into static pressure.
- FIGS. 4 and 5 define a diffusion space 16, the cross-section of which, in contrast to the rectangular shape shown in FIG. 2, is widened outwards in a trapezoidal shape.
- the outer edge portion 7 of the cover plate 3 is open to the outside at an angle which is in a range between 0 and 35 °. This additional expansion enhances the diffusion effect and makes it possible to make the outer edge regions 7, 14 narrower, so that the outer diameter DN must, for example, be only 20% or less above the blade outer diameter DSa, but should be at least 8% higher.
- FIG 5 shows a corresponding widening of the two outer edge regions 7, 14 of the bottom and cover disks 1, 3.
- the edge widening can also be performed only on the bottom disk 1 (not shown).
- Fig. 6 shows a complete unit in an axial section (Fig. 6a) and cross section (Fig. 6b), having in addition in addition to the above-described fan wheel, a suction plate 17 with an integrated intake nozzle 18, the gene over Halterun- "19 and carrier 20 to a motor attitude 21, which in turn carries a motor 22 whose drive shaft 23 is coupled to the fan wheel hub assembly 9.
- This complete unit with a free-running fan wheel is inserted in a substantially cube-shaped air conditioning box 24. In the latter, a pressure is applied by the fan unit inside which generates volumetric flows in one or more outgoing ducts, since such climatic casings generally do not have flow dynamics.
- vanes radially adjacent to the diffusion space 16 adjacent guide elements such as fixed diffusion rings.
- the outwardly facing end side of one or both outer edge regions 7, 14 is also free of guide elements.
- the fan wheel 1 is not surrounded by a spiral housing in the air conditioning box 24; the walls of the air conditioning box are in the radial direction relatively far from the outer edge of the fan, so the diffusion space removed (typically more than 15% of the fan radius, ie half the outer diameter of the diffusion space (DN)), and the fan is on the outer diameter of the Diffusion space (DN) in one or both axial directions without a housing closing the diffusion space (ie the walls of the air conditioning box are in the axial direction further than the width of the wheel at the exit of the wheel away).
- Shovel outer diameter DSa 160 - 1400 mm
- Scoop inner diameter DSi 100 - 650 mm Bucket width at exit B: 40 - 280 mm
- Inlet opening diameter DE 98 - 660 mm
- Bucket entry angle ß x 19 ° - 25 °
- Bucket exit angle ß 2 28 ° - 34 °.
- the described fan wheel 1 can also be used in conjunction with a spiral casing 25, since the increase in efficiency can also be used here.
- the spiral housing 25 has a tongue 26; this is formed by that part of the volute casing in which the radial distance to the fan wheel is minimal (e.g., it is less than 15% of the fan wheel radius). Starting from the tongue 26, this distance (e.g., linear or logarithmic) increases up to an exit port 27.
- the volute may be e.g. directly to the diffuser-forming walls of the wheel, or e.g. at a distance x from them, for example, as shown in Fig. 7a, smaller than the width of the wheel at the exit (i.e., at the diffuser).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
- Cookers (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI200431629T SI1608875T1 (sl) | 2003-03-04 | 2004-03-04 | Kolo radialnega ventilatorja, ventilatorska enota in razmestitev radialnega ventilatorja |
| EP04717095A EP1608875B1 (de) | 2003-03-04 | 2004-03-04 | Radiallüfterrad, lüftereinheit und radiallüfteranordnung |
| PL04717095T PL1608875T3 (pl) | 2003-03-04 | 2004-03-04 | Wirnik wentylatora promieniowego, zespół wentylacyjny i układ wentylatora promieniowego |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03004821 | 2003-03-04 | ||
| EP03004821A EP1455094A1 (de) | 2003-03-04 | 2003-03-04 | Radiallüfterrad |
| EP04717095A EP1608875B1 (de) | 2003-03-04 | 2004-03-04 | Radiallüfterrad, lüftereinheit und radiallüfteranordnung |
| PCT/EP2004/002215 WO2004079201A1 (de) | 2003-03-04 | 2004-03-04 | Radiallüfterrad, lüftereinheit und radiallüfteranordnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1608875A1 true EP1608875A1 (de) | 2005-12-28 |
| EP1608875B1 EP1608875B1 (de) | 2010-12-22 |
Family
ID=32798775
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03004821A Withdrawn EP1455094A1 (de) | 2003-03-04 | 2003-03-04 | Radiallüfterrad |
| EP04717095A Revoked EP1608875B1 (de) | 2003-03-04 | 2004-03-04 | Radiallüfterrad, lüftereinheit und radiallüfteranordnung |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03004821A Withdrawn EP1455094A1 (de) | 2003-03-04 | 2003-03-04 | Radiallüfterrad |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US9157452B2 (de) |
| EP (2) | EP1455094A1 (de) |
| JP (1) | JP2006519336A (de) |
| CN (1) | CN100458178C (de) |
| AT (1) | ATE492729T1 (de) |
| CA (1) | CA2517994C (de) |
| DE (1) | DE502004012024D1 (de) |
| ES (1) | ES2355822T3 (de) |
| FI (1) | FI7321U1 (de) |
| PL (1) | PL1608875T3 (de) |
| RU (1) | RU2321775C1 (de) |
| SI (1) | SI1608875T1 (de) |
| WO (1) | WO2004079201A1 (de) |
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| US8393320B2 (en) | 2005-10-28 | 2013-03-12 | Resmed Limited | Blower motor with flexible support sleeve |
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| JP4894900B2 (ja) * | 2009-09-11 | 2012-03-14 | パナソニック株式会社 | 送風ファンおよびこれを用いた送風機 |
| WO2011121773A1 (ja) * | 2010-03-31 | 2011-10-06 | 三菱電機株式会社 | 多翼送風機 |
| DE202011003839U1 (de) | 2011-03-11 | 2011-06-09 | Ziehl-Abegg AG, 74653 | Lüfterrad |
| DE102011013677B4 (de) | 2011-03-11 | 2016-08-18 | Ziehl-Abegg Se | Lüfterrad |
| DE102011013841B4 (de) | 2011-03-14 | 2021-11-11 | Nicotra Gebhardt GmbH | Radialventilatorrad und Radialventilator |
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| JP5522306B1 (ja) | 2012-12-21 | 2014-06-18 | ダイキン工業株式会社 | 遠心ファン |
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| FR1355428A (fr) * | 1964-06-19 | Neu Sa | Perfectionnement aux ventilateurs, compresseurs et pompes centrifuges | |
| US1447915A (en) * | 1920-10-06 | 1923-03-06 | American Blower Co | Centrifugal fan |
| US1484597A (en) * | 1920-12-18 | 1924-02-19 | American Blower Co | Centrifugal fan |
| GB608703A (en) * | 1940-02-19 | 1948-09-20 | Machf Gebr Stork & Co N V | Improvements in and relating to centrifugal fans |
| US2727680A (en) * | 1951-08-02 | 1955-12-20 | Buffalo Forge Co | Centrifugal fan |
| FR1141406A (fr) * | 1955-06-03 | 1957-09-02 | Winkelstrater G M B H Geb | Ventilateur centrifuge |
| DE1145927B (de) * | 1956-10-25 | 1963-03-21 | Eta Corp G M B H | Kreiselrad fuer Pumpen, Geblaese od. dgl. mit im Meridianschnitt zu einer Duese verengten seitlichen Schaufelbegrenzungen |
| US2916199A (en) * | 1958-04-07 | 1959-12-08 | Westinghouse Electric Corp | Centrifugal fan wheels |
| US3272429A (en) * | 1964-10-16 | 1966-09-13 | Westinghouse Electric Corp | Rotors of centrifugal fans |
| DE1538920A1 (de) * | 1966-11-04 | 1970-04-23 | Licentia Gmbh | Radialinnenluefter fuer geschlossene elektrische Maschine |
| DE2437001B2 (de) * | 1974-08-01 | 1978-01-26 | Wilhelm Gebhardt GmbH, 7112 Waidenburg | Radialgeblaese mit rueckwaerts gekruemmten profilierten schaufeln |
| SE7609772L (sv) | 1976-09-03 | 1978-03-04 | Svenska Flaektfabriken Ab | Radialflektsortiment |
| US4092088A (en) * | 1977-01-07 | 1978-05-30 | General Resource Corp. | Centrifugal fan enclosure |
| JPS55125396A (en) * | 1979-03-22 | 1980-09-27 | Hitachi Ltd | Blower device |
| DD273479B5 (de) * | 1988-06-29 | 1994-10-20 | Inst Luft Kaeltetech Gem Gmbh | Ventilatorlaufrad |
| DE9011652U1 (de) * | 1990-08-10 | 1990-10-18 | KT Kunststofftechnik GmbH, 5210 Troisdorf | Radialventilator mit Axialgehäuse |
| DE4222131C3 (de) * | 1992-07-06 | 2000-01-27 | Vem Motors Gmbh | Belüftungseinrichtung für die Druckbelüftung von oberflächenbelüfteten elektrischen Maschinen |
| JPH06299993A (ja) | 1993-04-13 | 1994-10-25 | Hitachi Ltd | 回転するディフューザを有する前向き羽根車 |
| US5336050A (en) * | 1993-05-06 | 1994-08-09 | Penn Ventilator Co. Inc. | Ventilator fan device |
| SE508332C2 (sv) * | 1995-09-07 | 1998-09-28 | Pm Luft | Radialfläkthjul |
| DE19703292A1 (de) | 1997-01-30 | 1998-08-06 | Fritz Schlender | Ventilatorrad mit großem Breitenverhältnis |
| FI105946B (fi) * | 1999-03-22 | 2000-10-31 | Flaekt Oy | Sovitelma puhaltimen yhteydessä |
| DE20016769U1 (de) * | 2000-09-28 | 2000-12-14 | Papst-Motoren GmbH & Co. KG, 78112 St Georgen | Radialgebläse, insbesondere für Beatmungsgeräte |
| FR2830579B1 (fr) * | 2001-10-05 | 2004-01-23 | Abb Solyvent Ventec | Roue de compression centrifuge associant une structure en materiau composite et une structure metallique et procede de fabrication |
| FR2851662B1 (fr) | 2003-02-24 | 2006-08-25 | Socomate Internat | Procede et dispositif de detection de discontinuites dans un milieu |
| EP1455094A1 (de) | 2003-03-04 | 2004-09-08 | Ziehl-Abegg AG | Radiallüfterrad |
-
2003
- 2003-03-04 EP EP03004821A patent/EP1455094A1/de not_active Withdrawn
-
2004
- 2004-03-04 CA CA2517994A patent/CA2517994C/en not_active Expired - Lifetime
- 2004-03-04 CN CNB2004800058280A patent/CN100458178C/zh not_active Expired - Lifetime
- 2004-03-04 RU RU2006132924/06A patent/RU2321775C1/ru active
- 2004-03-04 SI SI200431629T patent/SI1608875T1/sl unknown
- 2004-03-04 WO PCT/EP2004/002215 patent/WO2004079201A1/de not_active Ceased
- 2004-03-04 ES ES04717095T patent/ES2355822T3/es not_active Expired - Lifetime
- 2004-03-04 AT AT04717095T patent/ATE492729T1/de active
- 2004-03-04 DE DE502004012024T patent/DE502004012024D1/de not_active Expired - Lifetime
- 2004-03-04 JP JP2006504541A patent/JP2006519336A/ja active Pending
- 2004-03-04 PL PL04717095T patent/PL1608875T3/pl unknown
- 2004-03-04 EP EP04717095A patent/EP1608875B1/de not_active Revoked
- 2004-03-04 US US10/547,121 patent/US9157452B2/en not_active Expired - Lifetime
-
2006
- 2006-02-07 FI FI20060060U patent/FI7321U1/fi not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2530742A1 (de) | 1975-07-10 | 1977-01-13 | Sueddeutsche Kuehler Behr | Geraeuscharme kuehlanlage, insbesondere fuer kraftfahrzeuge |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1608875B1 (de) | 2010-12-22 |
| RU2321775C1 (ru) | 2008-04-10 |
| EP1455094A1 (de) | 2004-09-08 |
| CN100458178C (zh) | 2009-02-04 |
| PL1608875T3 (pl) | 2011-05-31 |
| ATE492729T1 (de) | 2011-01-15 |
| US20060228212A1 (en) | 2006-10-12 |
| DE502004012024D1 (de) | 2011-02-03 |
| US9157452B2 (en) | 2015-10-13 |
| ES2355822T3 (es) | 2011-03-31 |
| CN1756908A (zh) | 2006-04-05 |
| CA2517994C (en) | 2011-08-09 |
| FIU20060060U0 (fi) | 2006-02-07 |
| JP2006519336A (ja) | 2006-08-24 |
| CA2517994A1 (en) | 2004-09-16 |
| SI1608875T1 (sl) | 2011-04-29 |
| FI7321U1 (fi) | 2006-11-30 |
| WO2004079201A1 (de) | 2004-09-16 |
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