EP0643226B1 - Einschub-Querstromventilator - Google Patents
Einschub-Querstromventilator Download PDFInfo
- Publication number
- EP0643226B1 EP0643226B1 EP94111345A EP94111345A EP0643226B1 EP 0643226 B1 EP0643226 B1 EP 0643226B1 EP 94111345 A EP94111345 A EP 94111345A EP 94111345 A EP94111345 A EP 94111345A EP 0643226 B1 EP0643226 B1 EP 0643226B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow fan
- cross
- fan according
- impeller wheel
- impeller
- 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
- 238000009434 installation Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 9
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 60
- 238000002955 isolation Methods 0.000 description 18
- 238000005192 partition Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000012549 training Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- 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
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
- F04D29/602—Mounting in cavities
Definitions
- the invention relates to a cross flow fan.
- Cross flow fans are in different Embodiments available on the market.
- a housing is provided, which the with the Associated impeller interacting air guide is.
- the impeller is inside the housing stored and on one end of the housing preferably designed as an electric motor drive device attached.
- the housing is with a Fastening device, for example with perforated sheet metal feet provided to the cross flow fan to be able to assemble his place of use.
- These to be installed Cross flow fan units are included Fan wheel mounted on both sides.
- FR 1374975 From FR 1374975 is a cross flow fan with a Drive device and an impeller known which is attached to both sides of a carrier ring on the fly are.
- the carrier ring has a large free one Inside diameter, through which a cooling air flow between the impeller and the one on the opposite Drive device attached to the side of the ring circulates.
- This cross flow fan is as a free-standing device and not for Installation in a larger network is planned.
- the object of the invention relates to cross-flow fans, another as a structural unit Device or a plant or a Housing can be assigned.
- the invention is the task of such cross-flow fans easy to train as well as a simple one Installation option or interchangeability with optimal sealing between the areas of the drive device, Production zone and outside atmosphere to accomplish.
- a cross-flow fan is used to solve this task proposed a drive device, one with the drive device in rotation connected impeller, one assigned to the impeller Air guiding device and a mounting flange, the rest of the periphery of the cross flow fan protrudes radially and both a seal between the delivery zone of the cross flow fan and creates the outside atmosphere, as well its separation effect between the production zone and the drive zone of the cross flow fan Sealing flange forms, being through in the area between the drive device and the impeller horizontal mounting flange and attached to it on the fly Air control device and also flying there attached drive device and one flying impeller bearing one, an axial Insertion unit enabling insertion into its installation location is formed.
- the mounting flange allows in connection with training as a plug-in unit a very simple structure and one high ease of installation and service. Since the Mounting flange between the drive device and Impeller, it forms an almost integral part of the cross flow fan, so that it is no additional part is that just the job of fixing takes over, but also the assemblies of the cross flow fan are attached. Forces occurring are thus directly over the Mounting flange derived.
- the unit When installing a Cross flow fan or at his The unit will only be replaced axially Mounting position pushed in until the mounting flange meets the assembly point. There he can -fitted with or without seals, as required become.
- the impeller is overhung. This means that one-sided storage the impeller is made, that is, only that end of the impeller facing the drive device is stored, but not the other end of the wheel of the cross flow fan.
- the mounting flange is preferably designed as a mounting plate. Preferably it is a metal plate, which have a square floor plan can. Mounting holes are formed in the corner areas, these corner areas the rest of the periphery of the cross-flow fan so that the Fastening points for the installation of the cross flow fan on the outside of the mounting flange while other components of the cross flow fan, which are connected to the mounting flange are not protruding into this outside area.
- the mounting flange forms the outer area of the mounting flange a stop surface (and, if necessary, a Sealing surface), the insertion movement during assembly limited.
- a gastight execution of the Mounting flange is a leak-free seal between Production zone and outside atmosphere created.
- On the air flange is the mounting flange fastened on the fly.
- the mounting flange thus serves not just the attachment of the cross flow fan at the installation site, but forms one at the same time Carrier for the air baffle required is around the radially penetrating the impeller Cause air flow.
- the drive device is also fastened on the fly. So there is an apprenticeship at the air guide on one side of the mounting plate fastened on the fly and to the other Side of the mounting plate the drive device is arranged flying. This leads to a very simple and rational structure.
- the mounting flange especially as a mounting plate is formed, runs transversely, in particular perpendicular to the longitudinal extension of the shaft of the Impeller or the shaft of the drive device.
- the mounting flange can also be used have a circular base. This is particularly favorable in the case of a seal.
- the Attachment of the mounting flange can preferably in the manner of a bayonet lock or by thread.
- the drive device is designed as an electric motor.
- the drive device than arranged on the shaft of the impeller Belt drive pulley or chain drive pulley is trained. This assumes that for the operation of the cross-flow fan, a separate motor a strap or chain is used drives which over the belt pulley respectively the chain drive pulley runs.
- the drive device has two axially spaced bearings, which also as the sole bearing of the impeller to serve. Is it the drive device, for example to the mentioned electric motor, so the rotor is mounted on both sides, whereby this Bearings also serve as bearings for the impeller, that is, the rotor is in flying Arrangement the impeller.
- the mounting flange is an impeller shaft bearing having.
- it is Impeller on the mounting flange or in the area of the mounting flange, with at least another bearing from the drive device is formed.
- the mounting plate quasi forms a barrier wall, so that between the dormant barrier walls thus formed Air or gas cushion ensures that no too high or too low temperatures Cause damage.
- several barrier walls axially spaced from one another in the isolation zone are arranged.
- the word "axial" is on the shaft of the impeller or drive device based.
- Between each Barrier walls are made of insulating gas cushions.
- the barrier wall or the barrier walls can preferably on the flange and / or on the Air guiding device be attached. This leads to a fixed arrangement of the barrier walls, the means they have to get off the rotating shaft of the Impeller are penetrated. For this are corresponding Breakthroughs provided.
- the barrier wall or the barrier walls on the shaft of the drive device and / or the impeller (rotating) attached are.
- the Barrier walls both fixed and rotating be arranged in a labyrinth arrangement. Preferably alternates with a fixed one a rotating barrier wall.
- the impeller extends axially Direction beyond the funding area. This takes place on the drive device facing Page.
- the blades extend of the impeller into one between the end of the conveyor range and the mounting flange lying air-heat or cold insulation zone (isolation zone) inside.
- This cross-flow fan then essentially consists from the mounting plate (with sealing elements), on the one hand, on the drive unit protruding fly wheel protrudes, being on the other side of the mounting plate the drive unit is located.
- the impeller can be used with the extension area provided embodiment in the section of the conveyor area end have a radially extending barrier wall. There may also be several spaced apart Barrier walls in the isolation zone on the impeller be arranged. This will result in appropriate Gas insulation zones formed. Unless stationary locking rings join that with the rotating barrier walls stand in the axial overlap position, so a labyrinth seal is created.
- an inflow air path is (or inflow gas path) on Cross-flow fan through which the air into the isolation zone axially inside the impeller flows in and radially emerges from the impeller.
- the impeller In order to there is an axial flow in the extension area the impeller in front, which there a heat respectively Protects against cold.
- the impeller acts in this area not as a cross-flow, but much like a drum rotor.
- the impeller can be one that starts from its face Have wave and otherwise unsupported as Cage construction to be formed. Alternative is however, it is also possible that the impeller itself Continuous over its entire length Shaft. Corresponding are then on this wave Support discs or the like arranged, which carry the axially extending air blades.
- the cross-flow fan 1 has a Drive device 2, an impeller 3, and one Air guiding device 4.
- the drive device 2 is an electric motor 5 formed, which has a stub shaft 6, the non-rotatably via a cone connection 7 with a End wall 8 of the impeller 3 is connected.
- the impeller 3 is flying on the stub shaft 6 of the electric motor 5 mounted.
- the electric motor 5 has two rotor bearings in the usual way, which - according to the construction described - likewise form the bearings for the impeller 3.
- the electric motor 5 has a flange 9 with a mounting flange 10 is screwed.
- the mounting flange 10 is as a rectangular mounting plate in plan 11 formed, the dimensions of such large compared to the other components of the cross flow fan 1 are that they are the other components protrudes radially.
- the level of the mounting plate 11 runs perpendicular to the longitudinal extension of the shaft stub 6 or for the longitudinal extension of the Impeller 3.
- the mounting flange 10 is -in seen the side view of Figure 1 between the Drive device 2 and the impeller 3. With him the cross flow fan 1 is installed its location.
- the Mounting plate 11 by means of the flange 9, the drive device 2 attached.
- the mounting plate 11 has a breakthrough 12 that from the stub shaft 6 is enforced.
- the mounting plate 11 is the air guiding device 4 attached. According to FIG. 2-, this has a guide wall 13 and a wedge profile 14. From the figure 2 is also clearly visible that the rectangular trained mounting plate 11 the rest of the periphery of the cross flow fan 1.
- the cross flow fan 1 is a plug-in unit 15 trained, that is, he can its assembly in the direction of that shown in FIG.
- Arrow 16 inserted axially into the installation location into a breakthrough, for example a support plate of a device (for example a convection oven), whereby the outer areas 17 of the mounting flange 10 against the support plate.
- a fastener can, for example, use threaded screws the mounting holes 18 in the corner areas the mounting plate 11 are arranged, reach out.
- the mounting flange has a circular base owns. Mounting holes are distributed around the circumference intended.
- the one reproduced there circular mounting plate is particularly suitable for sealing embodiments, that is, the Mounting flange acts as a seal; he shields the Delivery range of the fan opposite the outside Atmosphere.
- seals can be used, which is between the mounting flange and the edge area of an assembly opening are so that it creates a gas tightness can be.
- FIG. 1 is the free end 19 of the impeller 3 opposite an end wall 20 of the air guiding device 4, on the -means of screws 21- a centering mandrel 22 is fastened, which in an opening 23 an end plate 24 of the impeller 3 with radial Game intervenes.
- This centering mandrel 22 forms one Transport lock, which prevents it from Impact loads and the like impermissible impeller 3 pivoted far from its position. Also is during the operation of the cross flow fan ensured by means of the centering mandrel 22 that at shock-like loads always the position of the Get impeller 3 within certain limits remains so that it does not become a non-circular run is coming.
- a safety gear is formed which in particular also in normal, critical and supercritical operation - if necessary - centering works. For particularly short wheels is on the transport lock respectively Safety gear dispensed with.
- the impeller 3 can be used as a welded construction rolled construction or as a joined construction be trained. It is preferably “soft”, so that it is in supercritical operation self centered. The choice of material is made in such a way that it is also for very low or very high Temperatures of the gas to be pumped is suitable. Of course, this also applies to the rest Parts of the cross-flow fan 1, in particular also for the air guiding device 4.
- FIG. 1 From Figure 1 it can be seen that the mounting flange 10 facing end face 25 of the impeller 3 a radially extending barrier wall 26 is opposite, the under formation of an air-heat respectively -Cold insulation zone (insulation zone) 27 arranged at a distance from the mounting flange 10 is.
- the barrier wall 26 forms a side wall of the Air control device 4.
- a breakthrough 28 of it is from a sleeve part of the tapered connection 7th permeated, using a grinding Seal 29 a seal to the conveying area of the Cross flow fan 1 takes place.
- the seal can in a high-quality design practically gas-tight be.
- the isolation zone 27 is in the upper Area of the figure different than in the lower area of the Figure trained. So in this figure two different embodiments are shown. First, let's look at the upper area of FIG. 1 received, in which in the isolation zone 27 three further, axially spaced barrier walls 30 are arranged by means of a fastening device 31 connected to the air guiding device 4 are.
- the barrier wall 26 extends with the formation of a C-profile using a Axial section 32 to the mounting plate 11 which rests with an angled area 33.
- the fastening device 31 can, for example be designed as a threaded bolt Holes in the mounting plate 11, the angled Area 33, the barrier walls 26 and 30 interspersed and threaded onto the spacers 34 which hold the barrier walls 30 in place. Using nuts is the threaded bolt between the barrier wall 26 and mounting plate 11 screwed.
- Several of these Fastening devices 31 are offset at an angle the axis of rotation of the cross flow fan is provided around. In this way - are separated through the barrier walls 30- resting in the isolation zone 27 Gas or air cushion created, which is a heat or cold insulation between the delivery area of the cross flow fan 1 and the drive device 2 and thus also the Form camp.
- the arrangement is in the lower area of FIG taken such that the locking wall 26 has no axial section 32 and also no angled area 33 has. Rather, using (not illustrated) fasteners 31 die Barrier wall 26 and also the barrier walls 30 held, the guide wall 13 attached to the barrier wall 26 is.
- the insulating zone 27 is sealed radially medium suitable formation of a wall 35 of the site. On this wall 35 can preferably also the mounting flange 10 for attachment of the cross-flow fan can be screwed tight.
- Cooling device 40 the cooling wing 41 and serves to high temperatures on the drive device 2 to prevent.
- Figures 3 and 4 show another embodiment a cross-flow fan 1, the differ only in some details from the embodiment of Figures 1 and 2 differs. in the The following is therefore only the differences received; otherwise the description referred to the embodiment of Figures 1 and 2.
- the drive device designed as an electric motor 5 2 an intermediate flange 36 is assigned.
- the intermediate flange 36 is supported by means of two bearings 37 and 38 a connecting shaft 39 which on a End with the stub shaft 6 of the electric motor 5 and with the other end with the impeller 3 rotatably is coupled.
- On the connecting shaft 39 is one Cooling device 40 arranged, the cooling wing 41st has and for cooling the bearings 37 and 38 and also serves the drive device 2.
- elastic Elements 36 ' for example as rubber plugs can be trained between Electric motor 5 and intermediate flange 36 prevent rotation educated.
- the elastic elements 36 ' make sure that the electric motor 5 its driving torque can transmit, however, enable on the other hand misalignment between the connecting shaft 39 and compensate for the stub 6.
- the elastic Elements 36 ' engage an intermediate flange 5' of the electric motor 5.
- Impeller 3 As can be seen in Figure 3, between Impeller 3 and mounting flange 10 an insulation zone 27 formed, but no intermediate barriers are provided.
- Figures 5 and 6 show a further embodiment, that essentially the embodiment corresponds to Figures 3 and 4. Indeed is different from the embodiment of the figures 3 and 4 the drive device not as Electric motor, but as a belt drive pulley 42 trained to rotate with the connecting shaft 39 is connected.
- a not shown Drive for example by means of an electric motor, as well as a drive belt can the belt pulley 42 driven, that is, this Embodiment requires a separate drive source.
- This special engine has an overlong "stub shaft" 6 on, that is, the stub shaft 6 runs in one piece over the overall arrangement, so also over the entire length of the impeller 3.
- the bearings of the rotor of the electric motor 5 thus serve also as a bearing for the floating wheel 3.
- the stub shaft 6 can be a solid shaft or - For thermal reasons - also designed as a hollow shaft be.
- Support disks 43 are in axial Distance from each other at which the axially extending air blades of the impeller 3 attached are.
- Figure 7 is without transport lock drawn. This means that with enough Intrinsic rigidity of the impeller also on a transport lock can be dispensed with. Otherwise the explanations for those described above apply Embodiments.
- FIG. 8 Another exemplary embodiment is shown in FIG a cross-flow fan 1 shown in which a corresponding to the embodiment of Figure 1 Design.
- the impeller 3 has an extension area 44, that is, the air blades extend into the isolation zone 27.
- the barrier wall 26 accordingly has one Breakthrough 45 through which the impeller 3 in the Isolation zone 27 protrudes.
- an end wall 46 forms a barrier to the isolation zone 27.
- the end wall 46 is aligned with the Barrier wall 26.
- FIG. 8 it is also indicated that that the impeller 3 a rotating support disc 46 'may have that with the barrier wall 26 forms a labyrinth seal.
- the position of the Support disk 46 ' is only schematic in FIG. 8 indicated.
- FIG. 9 shows one Cross flow fan, which is essentially the embodiment corresponds to Figure 8.
- the embodiment of Figure 8 is at Embodiment of Figure 9, however, in the isolation zone 27 a subdivision by means of axially spaced barrier walls 30 arranged to each other are provided.
- the barrier walls 26 and 30 have corresponding Breakthroughs into which the impeller 3 protrudes.
- barrier walls 48 provided on the impeller 3 be, which thus rotate with the impeller 3 and seen axially in the overlapping position to the Barrier walls 26, 30 stand. It alternates axially Considered direction - one fixed Barrier wall with a revolving barrier wall.
- FIG. 10 shows two Cross-flow fans 1, which are aligned Impellers 3 axially face each other in such a way that the drive devices 2 are each on the outside and the free ends 19 of the two impellers 3 each other opposite.
- This configuration allows a very wide useful airflow zone, due to the formation of the cross-flow fans in each case as a plug-in unit - when installed in this Zone of a cross flow fan of one and the other cross flow fan from the other Side is assembled. Should a disassembly or a Exchange, so only the mounting flanges 10 solved, the units removed and inserted and reattached new units.
- FIG. 11 shows a detailed view a cross-flow fan 1 with an impeller 3, which has an extension region 44 which in an isolation zone 27 protrudes.
- a barrier wall 26 which is opposite the mounting flange 10 an inflow nozzle 49 on the center of the shaft 3 'of the impeller 3 is penetrated.
- the inlet nozzle 49 is formed in that the mounting flange 10 an opening penetrated centrally by the shaft 3 ' 49 ', being in the outer edge region of the opening 49 'an annular guide plate 49 '' with curved contour in the opening 49 ' protrudes and in this way the inlet nozzle contour creates.
- the barrier wall 26 has radially extending areas 26 'with a co-rotating barrier wall 55 of the impeller 3 cooperate.
- Axial areas 26 ′′ of the barrier wall 26 close the isolation zone 27 from the outside and run up to the mounting flange 10.
- the mounting flange 10 points in the area of the outer periphery the insulation zone 27 openings 10 '.
- Two spaced apart Bearing 50, the shaft 3 'of the impeller 3rd store, are arranged in a bearing flange 50 ', which is attached to the mounting flange 10 via webs 51 is.
- the webs 51 interfere with the inflow nozzle 49 entering air flow 52 is only insignificant. Because of this configuration is therefore an inflow air path 53 created by the outside atmosphere or air or gas from the outside axially conveyed into the isolation zone 27.
- the thus conveyed cooling medium then enters the Extension area 44 of the impeller 3 and is radially out again from the impeller 3 (arrow 54) and then passes through the openings 10 ' of the mounting flange 10 back outwards.
- the cross-flow fan thus acts in this area quasi as a drum runner, with an optimal Cooling is achieved.
- FIG shown Another embodiment is shown in FIG shown that many similarities with has the embodiment of Figure 11 on which is referred.
- the difference is that as a drive device 2 uses an electric motor 5 is that by means of an intermediate flange 5 'on the bearing flange 50 'is attached, but the itself no bearing. Rather, the electric motor 5 a relatively long stub 6 on the by means of axial screw connection 60 to the impeller 3 is rotatably connected.
- the impeller 3 at its front end a receptacle 61 with a tapered bore 62 in which a correspondingly shaped Section of the stub shaft 6 engages.
- the webs 51 end in fastening sections 63 over which the nozzle shape for training bring the inflow nozzle 49.
- FIG 13 shows a further embodiment a cross-flow fan 1, in which the as an electric motor 5 trained drive device 2 by means of a flange 9 attached to the mounting flange 10 is.
- the embodiment of the impeller 3 has an extension area 44 which is shown in FIG an isolation zone 27 protrudes between the Mounting flange 10 and a fixed barrier wall 26 and a rotating end wall 46 are formed is.
- On the barrier wall 26 is the air guide 4 of the cross flow fan 1 attached.
- Opening contour 64 formed such that the mounting flange 10 against a stop surface 65 of the opening contour 64 occurs.
- With a ring wall 66 the isolation zone 27 is sealed in the radial direction.
- an adjusting device 67 By means of an adjusting device 67, the following in Figures 15 to 17 in more detail is received, the air guide Align 4 relative to impeller 3.
- On the flange 10 a shaft seal 68 is attached, which with the The shaft of the impeller 3 interacts.
- Figure 14 differs from the exemplary embodiment in FIG. that on the barrier wall 26 a tubular Partition 69 in the impeller 3 opposite Location is attached. Extends in the axial direction the partition 69 either ( Figure 14 above) to to the mounting flange 10 and seals there if necessary using non heat conductive Sealant from or according to another embodiment ( Figure 14 below) - exists between the mounting flange 10 and the partition 69 Gap 70, which causes little air exchange.
- the chamber 71 between the end End wall 8 of the impeller 3 and the end wall 46 of the impeller 3 is formed and the chamber 73 between the mounting flange 10 and the barrier wall 26 and the Partition 69 and the ring wall 66 is located.
- the Chamber 71 forms a rotating however in air cushion held together; also in the chambers 72 and 73 is closed due to the Chamber structures have very little air exchange given. These air cushions form temperature insulation zones.
- Figure 14 The free end area (free end 19) of the Impeller 3 engages in an opening 74 in the end wall 20 of the air guide 4 with a small distance a, whereby a further embodiment of a Transport lock and catch protection formed during operation is.
- the adjusting device 67 in their effect explained in more detail.
- the Air guiding device 4 by means of four individual ones the contour of a rectangle arranged adjusting members 75 held on the mounting flange 10.
- the distance a between the mounting flange 10 and the barrier wall 26 individually adjusted can be, it is possible the gap width x between impeller 3 and air guide 4 set as desired. This can be so take place that the gap width x over the entire
- the length of the cross-flow fan 1 is set uniformly is, that is impeller 3 and air guide 4 run "parallel" to each other or but a conscious inclination is brought about, to perform air jet steering.
- the Adjustment is possible using arrows 76 in Figure 15 indicated.
- each adjusting member 75 has a spacer sleeve 76 on by a threaded bore 77 is enforced.
- the spacer sleeve engages 76 in an elongated hole 79 (see also Figure 17) in the Barrier wall 26 a.
- a threaded screw 80 which is screwed into the threaded bore 77, the spacer sleeve 76 can be fixed on the barrier wall 26 become.
- a bore 80 'in the mounting flange 10 is penetrated by a threaded screw 81, which are also screwed into the threaded bore 77 is.
- On the threaded screw 81 is one Screwed on lock nut 82 with which the rotary position the threaded screw 81 on the mounting flange 10 can be secured.
- Lock nut 82 rotates the threaded screw 81 until until the desired distance a is set is. This position is then by means of the lock nut 82 secured.
- By loosening the threaded screw 80 can be due to the sliding block training of the extension 78, the barrier wall 26 and thus adjust the air guide 4. Is the the desired position is reached, so the threaded screw 80 dressed again. This adjustment takes place - seen in Figure 15 - upwards respectively down, that is, with this the gap width x vary overall.
- Figure 18 shows a portion of the mounting flange 10, which is preferably circular in plan Mounting plate 11 is formed.
- Means a ring step 83, which is formed on the mounting flange 10 is attached to a support part 84 at the installation site.
- the support member 84 engages in the Ring step 83 a.
- In the base area 85 of the ring step 83 there is an annular groove 86 into which a elastic O-ring 87 is inserted. This seals when tightening the mounting flange 10 on the Support part 84 from the connection point gas-tight. Thereby becomes the front area of the cross flow fan 1 hermetic to the atmospheric environment sealed.
- the impeller 3 can preferably have a large diameter-length ratio exhibit.
- ratio d: 1 of the impeller 3 particularly advantageous direct switch-on options with electric motors in 6, 4, 2-pole Business. Even larger ratios, namely d: 1 up to about 1: 8 are possible with vertical operation, that is, the longitudinal extent of the impeller roughly parallel to the force of gravity.
- Central hollow ore may be used Solid waves in the impeller.
- Cross flow fans especially if they are designed as hot gas fans and a have a large diameter-aspect ratio the safety gear described above in critical operating conditions.
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Description
- den ortsfesten Einbauten mit Luftleiteinrichtung am Einbauort
- dem Einschub-Querstromventilator ohne Leiteinrichtung.
- Figur 1
- eine Seitenansicht (teilweise im Schnitt) auf einen Querstromventilator,
- Figur 2
- eine Stirnansicht auf den Querstromventilator gemäß Figur 1,
- Figur 3
- eine Seitenansicht auf einen Querstromventilator nach einem anderen Ausführungsbeispiel,
- Figur 4
- eine Stirnansicht auf den Querstromventilator gemäß Figur 3,
- Figur 5
- eine Seitenansicht auf einen Querstromventilator nach einem weiteren Ausführungsbeispiel,
- Figur 6
- eine Stirnansicht auf den Querstromventilator der Figur 5,
- Figur 7
- eine Seitenansicht auf einen Querstromventilator nach einem weiteren Ausführungsbeispiel,
- Figur 8
- eine Seitenansicht auf einen Querstromventilator nach einem weiteren Ausführungsbeispiel,
- Figur 9
- eine Seitenansicht auf einen Querstromventilator nach einem weiteren Ausführungsbeispiel,
- Figur 10
- eine Seitenansicht auf zwei sich axial gegenüberstehende Querstromventilatoren,
- Figur 11
- eine Detailansicht eines Querstromventilators im Bereich der Laufrad-Lagerung,
- Figur 12
- eine Detailansicht eines Querstromventilators im Bereich der Laufradlagerung,
- Figur 13
- eine Seitenansicht auf einen Querstromventilator nach einem weiteren Ausführungsbeispiel,
- Figur 14
- eine Seitenansicht auf einen Querstromventilator nach einem weiteren Ausführungsbeispiel,
- Figur 15
- eine Seitenansicht auf einen Bereich eines Querstromventilators nach einem weiteren Ausführungsbeispiel,
- Figur 16
- eine Detailansicht des Ausführungsbeispiels der Figur 15,
- Figur 17
- eine Detailansicht des Ausführungsbeispiels der Figur 15 und
- Figur 18
- eine Detailansicht im Bereich des Montageflansches eines Querstromventilators.
Claims (26)
- Querstromventilator (1) mit einer Antriebseinrichtung (2), einem mit der Antriebseinrichtung (2) in Drehmitnahme verbundenen Laufrad (3), einer dem Laufrad (3) zugeordneten Luftleiteinrichtung (4) und einem Montageflansch (10), der die übrige Peripherie des Querstromventilators (1) radial überragt und sowohl eine Abdichtung zwischen der Förderzone des Querstromventilators (1) und der Außenatmosphäre schafft, als auch durch seine Abtrennwirkung zwischen der Förderzone und der Antriebszone des Querstromventilators (1) einen Dichtflansch bildet, wobei durch den im Bereich zwischen der Antriebseinrichtung (2) und dem Laufrad (3) liegenden Montageflansch (10), die an diesem fliegend befestigte Luftleiteinrichtung (4) und die auch dort fliegend befestigte Antriebseinrichtung (2) sowie eine fliegende Lagerung des Laufrads (3) eine ein axiales Einbringen in seinen Einbauort ermöglichende Einschubeinheit (15) gebildet ist.
- Querstromventilator nach Anspruch 1, dadurch gekennzeichnet, daß der Montageflansch (10) als Montageplatte (11) ausgebildet ist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Montageflansch (10) mit einer Dichtung versehen ist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Montageflansch (10) eine Ringnut (86) aufweist, in der ein die Dichtung bildender O-Ring (87) einliegt.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Montageflansch (10), insbesondere die Montageplatte (11), quer, insbesondere rechtwinklig, zur Längserstreckung der Welle des Laufrads (3) beziehungsweise der Welle der Antriebseinrichtung (2) verläuft.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Antriebseinrichtung (2) als Elektromotor (5) ausgebildet ist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Antriebseinrichtung (2) als auf der Welle des Laufrads (3) angeordnete Riementriebscheibe (42) oder Kettentriebscheibe ausgebildet ist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Antriebseinrichtung (2) zwei axial voneinander beabstandete Lager aufweist, die ebenfalls als alleinige Lager des Laufrads (3) dienen.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Elektromotor (5) einen derart langen Wellenstummel (6) aufweist, daß er in einstückiger Ausbildung gleichfalls die Welle des Laufrads (3) bildet.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Montageflansch (10) ein Laufrad-Wellenlager aufweist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der am Montageflansch (10) zugewandten Stirnseite des Laufrads (3) eine radial verlaufende Sperrwand (26) gegenüberliegt, die unter Ausbildung einer Luft-Wärme- beziehungsweise -Kälte-Isolierraumzone (27) mit Abstand zum Montageflansch (10) angeordnet ist.
- Querstromventilator nach Anspruch 11, dadurch gekennzeichnet, daß mehrere, voneinander axial beabstandete Sperrwände (30) in der Isolierzone (27) angeordnet sind.
- Querstromventilator nach einem der vorhergehenden Ansprüche 11 oder 12, dadurch gekennzeichnet, daß die Sperrwände (26, 30) am Montageflansch (10) und/oder an der Luftleiteinrichtung (4) feststehend befestigt sind.
- Querstromventilator nach einem der vorhergehenden Ansprüche 11 bis 13, dadurch gekennzeichnet, daß die Sperrwände (46, 48) an der Welle der Antriebseinrichtung (2) und/oder des Laufrads (3) mitdrehend befestigt sind.
- Querstromventilator nach einem der vorhergehenden Ansprüche 11 bis 14, dadurch gekennzeichnet, daß die Sperrwände (26, 30, 46, 48) sowohl feststehend als auch mitdrehend in Labyrinth-Anordnung (47) angeordnet sind.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß einseitig des Förderbereichs des Nutzluftstroms des Laufrads (3) dieses einen Verlängerungsbereich (44) aufweist, in den hinein sich die Luftschaufeln des Laufrads (3) bis in eine zwischen dem Förderbereichsende und dem Montageflansch (10) liegende Luft-Wärme- beziehungsweise -Kälteisolierraumzone (27) erstrecken.
- Querstromventilator nach Anspruch 16, dadurch gekennzeichnet, daß das Laufrad (3) im Abschnitt des Förderbereichsendes eine radial verlaufende Sperrwand (46) aufweist.
- Querstromventilator nach einem der vorhergehenden Ansprüche 13 oder 14, dadurch gekennzeichnet, daß das Laufrad mehrere, voneinander beabstandete Sperrwände (46, 48) in der Isolierzone (27) aufweist.
- Querstromventilator nach einem der vorhergehenden Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die mitdrehenden Sperrwände (46, 48) zusammen mit ortsfesten Sperrwänden (26, 30) eine Labyrinth-Abdichtung bilden.
- Querstromventilator nach einem der vorhergehenden Ansprüche 13 bis 16, gekennzeichnet durch einen Einström-Luftweg (53), durch den Luft im Bereich der Isolierzone (27) axial in das Innere des Laufrads (3) einströmt und radial aus dem Laufrad (3) austritt.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Laufrad (3) eine von dessen Stirnseite ausgehende Welle aufweist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Laufrad (3) eine sich über dessen Gesamtlänge erstreckende, durchgehende Welle aufweist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im Bereich zwischen dem Montageflansch (10) und der Antriebseinrichtung (2) sich mitdrehende Kühlflügel (41) angeordnet sind.
- Querstromventilator nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine Verstelleinrichtung (67) mit der die Luftleiteinrichtung (4) gegenüber dem Laufrad (3) ausrichtbar ist.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Verstelleinrichtung (67) die Luftleiteinrichtung (4) mit dem Montageflansch (10) verbindet.
- Querstromventilator nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Laufrad (3) ein Durchmesser-Längen-Verhältnis von maximal etwa d : l = 1 : 10, vorzugsweise etwa d : l = 1 : 5, aufweist, wobei d den Durchmesser des Laufrads und 1 die Länge des Laufrads bezeichnet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4328945A DE4328945C2 (de) | 1993-08-30 | 1993-08-30 | Einschub-Querstromventilator |
| DE4328945 | 1993-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0643226A1 EP0643226A1 (de) | 1995-03-15 |
| EP0643226B1 true EP0643226B1 (de) | 1999-11-03 |
Family
ID=6496224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94111345A Expired - Lifetime EP0643226B1 (de) | 1993-08-30 | 1994-07-21 | Einschub-Querstromventilator |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5803707A (de) |
| EP (1) | EP0643226B1 (de) |
| JP (1) | JP3677307B2 (de) |
| AT (1) | ATE186376T1 (de) |
| DE (2) | DE4328945C2 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08277800A (ja) * | 1995-04-05 | 1996-10-22 | Toho Eng Kk | 遠心送風機 |
| JP2001210896A (ja) * | 2000-01-28 | 2001-08-03 | Ebara Corp | エキシマレーザ装置 |
| US6318358B1 (en) | 2000-08-03 | 2001-11-20 | Jackel Incorporated | Furnace blower with double sided impeller |
| US7364411B2 (en) * | 2003-04-14 | 2008-04-29 | Nidec Corporation | Fan impeller and fan motor |
| JP2005273592A (ja) * | 2004-03-26 | 2005-10-06 | Nippon Densan Corp | 遠心ファン |
| JP4788409B2 (ja) * | 2006-03-09 | 2011-10-05 | ソニー株式会社 | 横流送風装置及び電子機器 |
| US7798765B2 (en) * | 2007-04-12 | 2010-09-21 | United Technologies Corporation | Out-flow margin protection for a gas turbine engine |
| JP5069494B2 (ja) * | 2007-05-01 | 2012-11-07 | AzエレクトロニックマテリアルズIp株式会社 | 微細化パターン形成用水溶性樹脂組成物およびこれを用いた微細パターン形成方法 |
| US7745077B2 (en) * | 2008-06-18 | 2010-06-29 | Az Electronic Materials Usa Corp. | Composition for coating over a photoresist pattern |
| US20140053424A1 (en) * | 2012-08-24 | 2014-02-27 | Buhler Aeroglide Corporation | Dryer Having a Direct Drive Fan |
| BR112016013341B1 (pt) * | 2013-12-12 | 2021-07-06 | Weg Equipamentos Elétricos S/A | sistema para fixação do defletor interno de ar em tampa defletora para máquina elétrica girante |
| CN107701518B (zh) * | 2017-10-19 | 2024-03-29 | 珠海格力电器股份有限公司 | 贯流风轮安装结构、风道组件及具有贯流风轮的装置 |
| KR102620588B1 (ko) * | 2021-12-20 | 2024-01-02 | 송병곤 | 횡류팬 축 직결형 현장 개조 설치 방법 |
| CN115977977A (zh) * | 2022-12-15 | 2023-04-18 | 英飞同仁风机股份有限公司 | 一种高温离心风机 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1923079A (en) * | 1931-08-12 | 1933-08-22 | Rudolf D Delamere | Blower unit |
| CH392759A (de) * | 1960-09-03 | 1965-05-31 | Braun Ag | Tischlüfter |
| FR1374975A (fr) * | 1962-05-30 | 1964-10-16 | Ventilateur d'appartement ou analogue | |
| US3263749A (en) * | 1964-03-06 | 1966-08-02 | Beacon Morris Corp | Compact space heating apparatus for use with forced-flow fluid-medium heating systems and method |
| US3279209A (en) * | 1964-04-15 | 1966-10-18 | Laing Vortex Inc | Cross flow machines and air conditioner units incorporating such machines |
| US3250457A (en) * | 1964-08-06 | 1966-05-10 | Henry E Walker | Air movement apparatus |
| DE1917888U (de) * | 1964-12-10 | 1965-06-16 | Kurt Dipl Ing Zenkner | Elektromotorisch angetriebenes querstromgeblaese. |
| DE1728607A1 (de) * | 1967-03-31 | 1976-02-05 | Boehler Zenkner Stroemtech | Geblaese fuer einen oel- oder gasbrenner |
| GB1239802A (en) * | 1967-11-30 | 1971-07-21 | Licentia Gmbh | Apparatus for conveying combustion gases out of combustion chambers |
| AU480768B2 (en) * | 1972-05-19 | 1977-02-10 | Canon Kabushiki Kaisha | Device for drying and fixing a copying material |
| JPS5937299A (ja) * | 1982-08-25 | 1984-02-29 | Akaishi Kinzoku Kogyo Kk | 円筒形多翼フアン |
| DE3438039A1 (de) * | 1984-10-17 | 1986-04-24 | Ltg Lufttechnische Gmbh, 7000 Stuttgart | Querstromventilator zum foerdern von foerdergas |
| US5085057A (en) * | 1990-05-11 | 1992-02-04 | Whirlpool Corporation | Dual side discharge room air conditioner with foamed insulation air passage walls |
-
1993
- 1993-08-30 DE DE4328945A patent/DE4328945C2/de not_active Expired - Lifetime
-
1994
- 1994-07-21 EP EP94111345A patent/EP0643226B1/de not_active Expired - Lifetime
- 1994-07-21 DE DE59408877T patent/DE59408877D1/de not_active Expired - Lifetime
- 1994-07-21 AT AT94111345T patent/ATE186376T1/de active
- 1994-08-15 JP JP19156794A patent/JP3677307B2/ja not_active Expired - Fee Related
- 1994-08-30 US US08/297,997 patent/US5803707A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE4328945A1 (de) | 1995-03-02 |
| EP0643226A1 (de) | 1995-03-15 |
| JPH0777193A (ja) | 1995-03-20 |
| ATE186376T1 (de) | 1999-11-15 |
| JP3677307B2 (ja) | 2005-07-27 |
| DE59408877D1 (de) | 1999-12-09 |
| US5803707A (en) | 1998-09-08 |
| DE4328945C2 (de) | 1996-03-28 |
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