EP0705982B1 - Fan - Google Patents
Fan Download PDFInfo
- Publication number
- EP0705982B1 EP0705982B1 EP95202642A EP95202642A EP0705982B1 EP 0705982 B1 EP0705982 B1 EP 0705982B1 EP 95202642 A EP95202642 A EP 95202642A EP 95202642 A EP95202642 A EP 95202642A EP 0705982 B1 EP0705982 B1 EP 0705982B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- cover
- coupling
- cavity
- air
- 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.)
- Expired - Lifetime
Links
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
Definitions
- the present invention relates to a fan adapted for use as component of a ventilation system for a building or a part thereof, for example a dwelling, which fan comprises:
- Such a fan is known from DE-U-86 26 016 wherein a coupling of a fan in a housing including a snap-coupling is described. For unlocking the snap-coupling a specially designed tool is necessary. Both during installation and exchange of the motor and the rotor a separate cover also has to be installed.
- the present invention provides a fan adapted for use as component of a ventilation system for a building or a part thereof, for example a dwelling, which fan comprises:
- the fan housing including the air inlet and air outlet conduits can be installed first by a fitter while an electrician can later on install the motor, rotor and cover easily at the same time closing off the fan. Also the exchange of the motor and rotor can easily be executed although a non-professional will not easily understand in which way the rotor and motor can be removed.
- Figures 1, 2, 3, 4, 5, 6, 7 and 10 all relate to a fan 1 which is adapted for use as component of a ventilation system for a dwelling.
- the fan 1 comprises a housing 3 enclosing a cavity 2.
- the fan further comprises a motor 4 which drives for rotation a rotor 6 carrying air displacement blades 5, which blades 5 are accommodated in the cavity 2.
- the fan further comprises three air inlets 7, 8 and 9 which are each adapted for coupling to an air intake conduit 10 (see figure 5) and debouch into cavity 2.
- the fan further comprises an air outlet 11 which is adapted for coupling to an air outlet conduit (not drawn) and connects onto the cavity 2.
- the air inlets 7, 8, 9 lie in one principal plane.
- the air outlet 10 connects onto an outlet duct 16 extending substantially tangentially of the substantially rotation symmetrical cavity.
- Caps 17, 18 and 19 can be used to close two of the associated air inlets 7, 8 and 9 respectively, whereby only one air inlet is used. If required, more than one of the air inlets 7, 8 and 9 can also be used simultaneously.
- the motor 4 directly supports the rotor 6 with the blades 5.
- the housing 3 has an opening 21 through which the cavity 2 is accessible from outside.
- the motor 4 is supported by a cover 22 with which the opening 21 can be closed.
- This cover 22 can be coupled to the edge 23 of opening 21 by means of coupling means embodied such that cover 22 can be coupled to the opening edge 23 without use of a tool.
- coupling means several examples of which will be described hereinbelow, only form part of the edge 23 and the cover 22.
- Figures 1, 2 and 6 relate to the embodiment according to the present invention in which use is made of a snap-coupling.
- the housing is supported on for instance a wall 29 (see for example figure 3) via a base 30.
- Base 30 fixes the insert 15, which is manufactured from polystyrene foam material, in the housing 3.
- This housing 3 bears on its corner points corner fastening elements 31 each having slotted holes 32 and 33 extending in two mutually perpendicular directions and an elongate support 34 for the electricity cable 20 which can be fixed in the manner shown in figure 10 to the support 34 by means of a screw 35.
- Fastening screws 36 (see figure 10) can be placed through slotted holes 32, 33 to fix the housing 3 on the bearing construction, for instance the wall 29 shown in figure 3.
- a generally cross-shaped structure 37 is formed on the base 30. This serves to prevent whirling in the cavity 2 and is also dimensioned such that it positions the insert 15 correctly in housing 3.
- a base 38 which carries a separate cross 39 of acoustic damping material, for example of mineral fibres.
- Figure 7 shows that the motor 4 can be placed in snapping co-action with recesses 42 present in the cover 22 by means of snap-lips 40 with oblique leading surface 41.
- the screw-driver 27 By inserting the screw-driver 27 into the interspace between the peripheral wall 43 of the cover 22 and a snap-lip 40 the coupling between the snap protrusion 44 present thereon and the corresponding recess 42 can be broken whereby the motor 4 with the rotor 6 carrying the blades 5 can be separated from the cover 22, for example for replacement of the motor or for inspection purposes.
- the housing 3 consists preferably of plastic and can be produced with any suitable manufacturing method, for instance injection moulding.
- Figure 5 shows the manner in which an air inlet or outlet conduit can be connected to an air inlet or air outlet.
- the air inlet conduit 10 fits round the zone of the air inlet 7 protruding furthest outward. An air-tight connection is ensured by means of a strip of sealing adhesive tape 45.
- Figure 3 shows that the cable 20 shown in figure 1 and protruding from the peripheral wall 43 of cover 22 extends in the fitted situation of cover 22 between the inner peripheral wall 46 of opening 21 and the outer peripheral wall 43 of cover 22.
- the cable 20 Via a recess 47 the cable 20 is trained outward, where as according to figure 10 it can be connected to support 34 by means of screw 35, being relieved of tension with a clamping strip 48.
- the recess 47 is preferably embodied such that cable 22 fits clampingly therein.
- the interspace between the peripheral walls 43 and 46 is also preferably dimensioned such that cable 20 fits clamping therein with some force.
- the bases 30 and 38 can be coupled to housing 3 with snap lips 49.
- FIGS 8 and 9 show respective fans 49 and 50, whereof the respective covers 51 and 52 are coupled to housings 55 and 56 respectively with a threaded coupling 53 and a bayonet fitting 54.
- the fans 49 and 50 can otherwise have the same structure as described above.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- The present invention relates to a fan adapted for use as component of a ventilation system for a building or a part thereof, for example a dwelling, which fan comprises:
- a housing enclosing a cavity;
- a motor which drives for rotation a rotor carrying air displacement blades, which blades are accommodated in the cavity;
- at least one air inlet which is adapted for coupling to an air intake conduit and debouches into the cavity;
- an air outlet which is adapted for coupling to an air outlet conduit and connects onto the cavity;
- this such that during operation of the motor the blades displace air from the air inlet to the air outlet;
- in which:
- the motor directly supports the rotor; and
- the housing has an opening through which the cavity is accessible from outside.
-
- Such a fan is known from DE-U-86 26 016 wherein a coupling of a fan in a housing including a snap-coupling is described. For unlocking the snap-coupling a specially designed tool is necessary. Both during installation and exchange of the motor and the rotor a separate cover also has to be installed.
- It is an object of the present invention to provide a fan which can more easily be installed and/or exchanged without needing a specially designed tool.
- The present invention provides a fan adapted for use as component of a ventilation system for a building or a part thereof, for example a dwelling, which fan comprises:
- a housing enclosing a cavity;
- a motor which drives for rotation a rotor carrying air displacement blades, which blades are accommodated in the cavity;
- at least one air inlet which is adapted for coupling to an air intake conduit and debouches into the cavity;
- an air outlet which is adapted for coupling to an air outlet conduit and connects onto the cavity;
- this such that during operation of the motor the blades displace air from the air inlet to the air outlet;
- in which:
- the motor directly supports the rotor; and
- the housing has an opening through which the cavity is accessible from outside; characterized in that
- the motor is supported by a cover with which the opening can be closed;
- the cover can be coupled to the edge of the opening by means of coupling means embodied such that the cover can be coupled without a tool to the opening edge, which coupling means only form part of the edge and the cover;
- the coupling means are embodied such that the cover can only be removed from the edge using a tool;
- the coupling means are embodied as a snap-coupling; and
- the snap-coupling is covered by a cover provided with at least one hole through which a tool, for instance a screw-driver can be inserted such as to disengage the snap-coupling.
-
- According to the present invention the fan housing including the air inlet and air outlet conduits can be installed first by a fitter while an electrician can later on install the motor, rotor and cover easily at the same time closing off the fan. Also the exchange of the motor and rotor can easily be executed although a non-professional will not easily understand in which way the rotor and motor can be removed.
- From DE-C-43 21 924 a fan is known, in which the motor is supported by a cover. Also a locking snap-coupling is described which is visible from the outside and of which at least the unlocking can not easily be executed. This known fan apparently will have to be assembled in a factory.
- Dependent claims 2-16 give further advantageous embodiments.
- The invention will now be elucidated with reference to the accompanying drawings of a number of embodiments, to which the invention is not limited. In the drawings:
- figure 1 shows a partly broken away exploded view of a fan according to the invention;
- figure 2 shows a longitudinal section of the assembled fan;
- figure 3 is a perspective view of the fan during fitting of the housing;
- figure 4 shows a detail;
- figure 5 shows a partly broken away perspective view in which is shown the coupling between the fan and a feed or discharge pipe for air;
- figure 6 shows a partly broken away perspective view of a part of the fan in which is shown the releasable coupling to the housing of the motor carrying the cover;
- figure 7 shows a partly broken away perspective view of a part of the fan in which is shown the releasable coupling between the cover and the motor;
- figure 8 is a partly broken away perspective view of an illustrative example of a fan ;
- figure 9 is a view corresponding with figure 8 of yet another illustrative example
- figure 10 is a partly broken away perspective view of a corner support to which is fixed an electricity cable; and
- figure 11 shows a perspective view of an insert alternatively arranged in the fan housing.
-
- Figures 1, 2, 3, 4, 5, 6, 7 and 10 all relate to a fan 1 which is adapted for use as component of a ventilation system for a dwelling. The fan 1 comprises a
housing 3 enclosing a cavity 2. The fan further comprises a motor 4 which drives for rotation a rotor 6 carrying air displacement blades 5, which blades 5 are accommodated in the cavity 2. The fan further comprises threeair inlets 7, 8 and 9 which are each adapted for coupling to an air intake conduit 10 (see figure 5) and debouch into cavity 2. The fan further comprises anair outlet 11 which is adapted for coupling to an air outlet conduit (not drawn) and connects onto the cavity 2. As shown in figure 1, theair inlets 7, 8, 9 lie in one principal plane. They join ontorecesses insert 15 which is made from foam plastic and which also bounds the cavity 2. Theair outlet 10 connects onto anoutlet duct 16 extending substantially tangentially of the substantially rotation symmetrical cavity.Caps air inlets 7, 8 and 9 respectively, whereby only one air inlet is used. If required, more than one of theair inlets 7, 8 and 9 can also be used simultaneously. By providing the motor 4 with electrical energy by means of anelectrical cable 20 the rotor 6 is set into rotation such that air is drawn in from at least oneair inlet 7, 8, 9 and blown out via theair outlet 11. - The motor 4 directly supports the rotor 6 with the blades 5. The
housing 3 has an opening 21 through which the cavity 2 is accessible from outside. The motor 4 is supported by acover 22 with which the opening 21 can be closed. Thiscover 22 can be coupled to theedge 23 of opening 21 by means of coupling means embodied such thatcover 22 can be coupled to theopening edge 23 without use of a tool. These coupling means, several examples of which will be described hereinbelow, only form part of theedge 23 and thecover 22. Figures 1, 2 and 6 relate to the embodiment according to the present invention in which use is made of a snap-coupling. - Standing
lips 24 withholes 25 are present on theedge 23. These are placed in snapping co-action withprotrusions 26 present oncover 22. As shown in figure 6, after the snapping connection has been performed, thecover 22 can be removed fromhousing 3 by inserting for instance a screw-driver 27 inholes 28, whereby thelips 24 can be moved outward so that they disengage from theprotrusions 26. For coupling of thecover 22 it can suffice to press thecover 22 carrying the motor 4 axially onto the correct position. A snapping coupling then takes place due to the oblique leading edge ofprotrusions 26 drawn in figure 2. - In this way is achieved that, after the housing has been fixed to a bearing construction, the motor can be placed without the use of a tool. A tool is however required in order to remove the motor.
- The housing is supported on for instance a wall 29 (see for example figure 3) via a
base 30.Base 30 fixes theinsert 15, which is manufactured from polystyrene foam material, in thehousing 3. Thishousing 3 bears on its corner pointscorner fastening elements 31 each having slottedholes elongate support 34 for theelectricity cable 20 which can be fixed in the manner shown in figure 10 to thesupport 34 by means of ascrew 35. Fastening screws 36 (see figure 10) can be placed through slottedholes housing 3 on the bearing construction, for instance thewall 29 shown in figure 3. - A generally
cross-shaped structure 37 is formed on thebase 30. This serves to prevent whirling in the cavity 2 and is also dimensioned such that it positions theinsert 15 correctly inhousing 3. In order to obtain an improved damping of noise resulting from turbulence, use can be made as according to figure 11 of a base 38 which carries aseparate cross 39 of acoustic damping material, for example of mineral fibres. - Figure 7 shows that the motor 4 can be placed in snapping co-action with recesses 42 present in the
cover 22 by means of snap-lips 40 withoblique leading surface 41. By inserting the screw-driver 27 into the interspace between theperipheral wall 43 of thecover 22 and a snap-lip 40 the coupling between thesnap protrusion 44 present thereon and the corresponding recess 42 can be broken whereby the motor 4 with the rotor 6 carrying the blades 5 can be separated from thecover 22, for example for replacement of the motor or for inspection purposes. - The
housing 3 consists preferably of plastic and can be produced with any suitable manufacturing method, for instance injection moulding. - Figure 5 shows the manner in which an air inlet or outlet conduit can be connected to an air inlet or air outlet. In the example shown in figure 5 the
air inlet conduit 10 fits round the zone of theair inlet 7 protruding furthest outward. An air-tight connection is ensured by means of a strip of sealingadhesive tape 45. - Figure 3 shows that the
cable 20 shown in figure 1 and protruding from theperipheral wall 43 ofcover 22 extends in the fitted situation ofcover 22 between the innerperipheral wall 46 ofopening 21 and the outerperipheral wall 43 ofcover 22. Via arecess 47 thecable 20 is trained outward, where as according to figure 10 it can be connected to support 34 by means ofscrew 35, being relieved of tension with a clampingstrip 48. Therecess 47 is preferably embodied such thatcable 22 fits clampingly therein. The interspace between theperipheral walls cable 20 fits clamping therein with some force. - The
bases housing 3 withsnap lips 49. - Figures 8 and 9 show
respective fans housings coupling 53 and a bayonet fitting 54. Thefans
Claims (16)
- Fan (1) adapted for use as component of a ventilation system for a building or a part thereof, for example a dwelling, which fan comprises:a housing (3) enclosing a cavity (2);a motor (4) which drives for rotation a rotor (6) carrying air displacement blades (5), which blades (5) are accommodated in the cavity (2) ;at least one air inlet (7, 8, 9) which is adapted for coupling to an air intake conduit (10) and debouches into the cavity (2) ;an air outlet (11) which is adapted for coupling to an air outlet conduit and connects onto the cavity (2) ;this such that during operation of the motor (4) the blades (5) displace air from the air inlet to the air outlet (11) ;in which:the motor (4) directly supports the rotor (6) ; andthe housing (3) has an opening (21) through which the cavity is accessible from outside;the motor (4) is supported by a cover (22) with which the opening can be closed;the cover (22) can be coupled to the edge (23) of the opening (21) by means of coupling means (24, 26) embodied such that the cover (22) can be coupled without a tool to the opening (21) edge (23), which coupling means only form part of the edge (23) and the cover (22) ;the coupling means (24, 26) are embodied such that the cover (22) can only be removed from the edge (23) using a tool (27) ;the coupling means (24, 26) are embodied as a snap-coupling; andthe snap-coupling is covered by a cover (22) provided with at least one hole (28) through which a tool, for instance a screw-driver (27) can be inserted such as to disengage the snap-coupling (24, 26).
- Fan (1) as claimed in claim 1, characterized by at least two air inlets (7, 8, 9) which are selectable by closing an air inlet (7, 8, 9) not for use with cap means (17, 18, 19).
- Fan (1) as claimed in claim 1, characterized in that the air inlet(s) (7, 8, 9) and the air outlet (10) lie in one principal plane.
- Fan (1) as claimed in claim 3, characterized in that the cover (22) lies in a principal plane parallel to said principal plane.
- Fan (1) as claimed in claim 4, characterized in that the centre line of the rotor (16) extends perpendicularly of the said principal planes.
- Fan (1) as claimed in claim 5, characterized in that the cavity (2) is bounded by an insert (15) arranged in the housing and has a prismatic form, the cross section of which shows a generally spiral shape.
- Fan (1) as claimed in claim 6, characterized in that the insert (15) is manufactured from polystyrene foam.
- Fan (1) as claimed in claim 1, characterized in that the housing (3) is a plastic injection moulded article, for instance of polypropylene.
- Fan (1) as claimed in claim 5, characterized in that on its side remote from the cover (12) the housing (3) has a base (30) which bears at least one standing plate (37) extending some distance into the cavity (2) for preventing air whirling in this cavity (2).
- Fan as claimed in claim 5, characterized in that the plate is formed integrally with the base, for instance by thermoforming, deep-drawing or injection moulding.
- Fan (1) as claimed in claims 2 and 9, characterized in that at least one plate (39) is situated between two air inlets (7, 8, 9).
- Fan (1) as claimed in claim 9,
characterized in that the plate (39) consists of a porous damping material, for instance mineral wool. - Fan (1) as claimed in claim 1,
characterized in that an air inlet (7, 8, 9) and/or an air outlet (11) comprises an outward protruding tubular stump, the outer peripheral surface of which comprises a peripheral widening and the free end zone adjacent thereto fits into respectively an air inlet pipe (10) or an air outlet pipe such that such a pipe (10) can be pushed over this end zone up to the widening such that a sealing (45) over the widening and the end of the relevant pipe (10) can be arranged by means of adhesive tape (45). - Fan (1) as claimed in claim 1,
characterized in that the housing (3) comprises means for fixedly holding an electrical connecting cable (20) connected to the motor, for instance a channel (47) in which the cable (20) fits clampingly. - Fan (1) as claimed in claim 1,
characterized in that the housing has at least two fixing flanges (31) which bear bushes (34) for accommodating fastening screws (35), in particular self-tapping fastening screws. - Fan (1) as claimed in claim 15,
characterized in that the flanges (31) have slotted holes (32, 33) for passage of fastening screws (35).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9401608 | 1994-09-30 | ||
NL9401608 | 1994-09-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0705982A2 EP0705982A2 (en) | 1996-04-10 |
EP0705982A3 EP0705982A3 (en) | 1997-04-09 |
EP0705982B1 true EP0705982B1 (en) | 2001-05-30 |
Family
ID=19864720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95202642A Expired - Lifetime EP0705982B1 (en) | 1994-09-30 | 1995-10-02 | Fan |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0705982B1 (en) |
AT (1) | ATE201750T1 (en) |
DE (1) | DE69521096T2 (en) |
DK (1) | DK0705982T3 (en) |
ES (1) | ES2158038T3 (en) |
GR (1) | GR3036413T3 (en) |
PT (1) | PT705982E (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0805542A3 (en) * | 1996-05-02 | 2000-07-05 | MAICO ELEKTROAPPARATE-FABRIK GmbH | Fan motor |
IT245852Y1 (en) * | 1998-06-12 | 2002-03-26 | Bitron Spa | FAN IN MOTOR-FAN PLASTIC MATERIAL FOR VEHICLE CABINET |
FR2801940B1 (en) * | 1999-12-06 | 2002-02-08 | Valeo Climatisation | HEATING AND / OR AIR CONDITIONING SYSTEM HAVING A MOTOR SUPPORT MOUNTED ON A PULSE BOX |
CN102251977B (en) * | 2011-08-24 | 2013-01-16 | 张家港施亿百机电设备有限公司 | External tilting centrifugal fan |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3154242A (en) * | 1963-06-20 | 1964-10-27 | Rotron Mfg Co | Fan |
US3537544A (en) * | 1968-06-11 | 1970-11-03 | Emerson Electric Co | Sound absorbing grille |
FR2271425A1 (en) * | 1974-05-17 | 1975-12-12 | Fimec | Centrifugal fan of cheap construction - has drum housing for motor and rotor and end caps with central partition |
DE8626016U1 (en) * | 1986-09-30 | 1986-11-06 | Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart | Bracket for holding a fan in a housing |
US4950133A (en) * | 1988-11-15 | 1990-08-21 | Alopex Industries, Inc. | Air blower assembly |
DE4321924C1 (en) * | 1993-07-01 | 1994-06-23 | Siegenia Frank Kg | Radial-flow fan production method |
-
1995
- 1995-10-02 DK DK95202642T patent/DK0705982T3/en active
- 1995-10-02 EP EP95202642A patent/EP0705982B1/en not_active Expired - Lifetime
- 1995-10-02 AT AT95202642T patent/ATE201750T1/en not_active IP Right Cessation
- 1995-10-02 ES ES95202642T patent/ES2158038T3/en not_active Expired - Lifetime
- 1995-10-02 PT PT95202642T patent/PT705982E/en unknown
- 1995-10-02 DE DE69521096T patent/DE69521096T2/en not_active Expired - Fee Related
-
2001
- 2001-08-20 GR GR20010401264T patent/GR3036413T3/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69521096D1 (en) | 2001-07-05 |
PT705982E (en) | 2001-10-30 |
EP0705982A3 (en) | 1997-04-09 |
EP0705982A2 (en) | 1996-04-10 |
ES2158038T3 (en) | 2001-09-01 |
DK0705982T3 (en) | 2001-07-30 |
DE69521096T2 (en) | 2002-05-02 |
GR3036413T3 (en) | 2001-11-30 |
ATE201750T1 (en) | 2001-06-15 |
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