EP2815130A2 - Diffuseur, ventilateur comportant un tel diffuseur et appareil comprenant de tels ventilateurs - Google Patents

Diffuseur, ventilateur comportant un tel diffuseur et appareil comprenant de tels ventilateurs

Info

Publication number
EP2815130A2
EP2815130A2 EP13748807.8A EP13748807A EP2815130A2 EP 2815130 A2 EP2815130 A2 EP 2815130A2 EP 13748807 A EP13748807 A EP 13748807A EP 2815130 A2 EP2815130 A2 EP 2815130A2
Authority
EP
European Patent Office
Prior art keywords
diffuser
wall
section
fan
outlet
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
Application number
EP13748807.8A
Other languages
German (de)
English (en)
Other versions
EP2815130B1 (fr
Inventor
Michael Stephan
Friedrich LÖRCHER
Daniel SEIFRIED
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ziehl Abegg SE
Original Assignee
Ziehl Abegg SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ziehl Abegg SE filed Critical Ziehl Abegg SE
Priority to SI201332008T priority Critical patent/SI2815130T1/sl
Publication of EP2815130A2 publication Critical patent/EP2815130A2/fr
Application granted granted Critical
Publication of EP2815130B1 publication Critical patent/EP2815130B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • 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
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts

Definitions

  • the invention relates to a diffuser according to the preamble of claim 1 or 10 or 11 or 12 or 14 or 15, a fan according to the preamble of claim 21 or 23 or 24 and according to claims 25 to 30 and a Device with such fans according to claim 31 or 32.
  • Fig. 12 shows a prior art device according to the prior art (DE 35 15 441), which is provided with a housing. On its top are fans mounted on heat exchangers. The fans blow the air freely, so that the entire dynamic energy is lost at the fan outlet.
  • outlet diffusers are used (DE 20 201 1 004 708 U1, FR 27 28 028).
  • the fans with the outlet diffusers can not be lined up close to each other. However, this is often required in such devices, the fans must also be arranged multi-row close together. Space is lost on a device with multiple fans. Between the diffusers then also form local dead water areas, which lead to increasing losses.
  • the invention has the object of providing the generic diffuser and the generic fan in such a way that the place on the equipment can be optimally utilized without the need for a structurally complex training is necessary.
  • the transitions between the sides of the wall in the height direction a twist which follows the swirl of the flow of air through the diffuser.
  • the transitions thus do not run in the height direction of the diffuser wall along a straight line, but curved accordingly.
  • the transition areas are designed to follow the flow direction of the air in the diffuser and the swirl of the flow behind the impeller of the fan. This results in minimal losses in the range of these transitions.
  • the diffuser wall itself has an angular outline at least at the outlet, wherein an angular outline also means that the transition between the sides of the diffuser wall can be rounded.
  • the angular design makes it possible to place several diffusers with only a small distance next to each other, so that in devices in which only a limited amount of space is available and several diffusers are needed, they can be arranged directly next to each other in one or more rows. Since the diffuser has the round cross-section at the inlet, the diffuser according to the invention can be connected to conventional fans, the connection region of which is generally round or circular. The diffuser according to the invention can therefore also be grown on existing fans.
  • the outlet of the diffuser wall has advantageously quadrangular outline, so that adjacent diffusers with their respective contour sides either abutting one another or with only the smallest distance next to and behind each other can be positioned.
  • the surface is optimally used to delay the flow velocity.
  • the diffuser walls may have at least at the outlet triangular, square, hexagonal or other polygonal outline.
  • the quadrangular outline is advantageous if the mounting surface has a corresponding quadrangular outline.
  • the sides of the angular diffuser wall are advantageously continuously curved into each other, resulting in optimal flow conditions.
  • the cross-section of the diffuser increases in a preferred embodiment in the flow direction, which is advantageous for the reduction of the flow velocity. It is advantageous if the cross section of the diffuser initially decreases from the inlet end and then increases. The flow can thereby be delayed with only small losses in the increasing cross-sectional area, resulting in a high diffuser efficiency.
  • the diffuser is provided with at least one further wall, which is surrounded by the diffuser wall at a distance. This additional wall results in optimum flow conditions.
  • the walls of the diffuser can in this case have the same height, but also have different heights. It is therefore very easy to achieve the desired flow conditions by appropriate design of the diffuser walls.
  • the further wall of the diffuser is advantageously designed similar to the outer diffuser wall. Accordingly, the further wall advantageously has an angular cross-section at least at the outlet.
  • the sides of the further diffuser wall are advantageously continuously curved into each other.
  • the diffuser according to claim 10 is characterized in that the further diffuser wall at the inlet has a round, preferably circular outline, which merges continuously over the height of the further diffuser wall into the angular cross-section.
  • the flow conditions are much better.
  • the diffuser according to the invention according to claim 1 1 is characterized in that the transitions between the sides of the further angular diffuser wall in the height direction have a twist or a twist.
  • the flow conditions can be optimally adapted to the particular application.
  • the relationship between this angle and the aspect ratio does not only apply to the diffuser outer wall but also to any other diffuser walls that may be provided.
  • the value for all walls may be the same, but also different from wall to wall.
  • the diffuser according to claim 14 is characterized in that the ratio of inlet cross section to outlet cross section of the diffuser in a range ⁇ about 5, preferably between about 1, 2 and about 3, is located.
  • the diffuser according to claim 15 has the two walls whose outlet ends to increase the outflow of the diffuser are at different heights. By selecting the appropriate height of the walls, the size of the outflow surface can be adapted to the application.
  • the outlet ends of the walls may lie in a curved surface, which may be, for example, a spherical or cylindrical surface.
  • a very large outflow area can be created in a small installation space, wherein the ratio between the size of the outflow area and the size of the inflow area can be selected to be large. The larger this area ratio, the greater the conversion of the dynamic energy of the air flow at the diffuser inlet into pressure energy.
  • the large outflow area leads to a reduction of the air flowing out of the passage and thus to an increase in the efficiency.
  • the outlet ends of the walls can also lie in the areas of an imaginary square or a pyramid. This also results in a very large exit surface at a given space.
  • the entrance ends of the walls may lie in a common plane.
  • the inlet ends of the walls lie in different planes, that is, have different distances from the inlet cross-section of the diffuser.
  • Such a design of the diffuser leads to a particularly low-loss training.
  • At least one opening is provided in at least one wall of the diffuser through which adjacent passages of the diffuser are connected. the flow-connected, flow separation in the corresponding fürläse can be prevented or at least delayed.
  • the opening may be a gap extending over at least part of the circumference of the corresponding diffuser wall.
  • these different configurations of the openings can also be used in combination with each other on the inner wall of the diffuser. If the diffuser has, in addition to the outer wall, more than one further wall, then these openings can be provided in at least one of these further walls, but also in two or more of the further walls. Also in the outer wall of the diffuser such openings may be provided.
  • the fan according to the invention according to claim 21 is characterized in that the transitions at the outlet end between the sides of the wall have a curvature which lies in a range of approximately ⁇ 0.5 ⁇ D. In this way, the transitions at the outlet end can be designed so that optimal flow conditions arise.
  • the curvature is advantageously in a range of approximately ⁇ 0.25 ⁇ D.
  • the exit surface of the wall with the rounded transition is smaller than the exit surface without a rounded transition at the exit end.
  • the area deviation is in the range between about 1 and about 1.27, preferably between about 1 and about 1.05.
  • the ratio of the axial length of the diffuser to the diameter of the fan in a range of about ⁇ 5, preferably between about 0.2 and about 2.
  • the efficiency of the diffuser can be adjusted to the specified installation conditions.
  • the diffuser is configured so that the transitions between the sides of the diffuser wall in the height direction have a twist that follows the twist of the flow of air through the diffuser.
  • the fan according to claim 26 is characterized in that the diffuser has the further wall, which has the round, preferably circular cross-section at the inlet, which merges over the height of the further wall steadily into a polygonal cross-section.
  • the fan according to claim 27 has the diffuser, which is formed so that the transitions between the sides of the further wall in the height direction have a twist or a connection.
  • the fan according to claim 28 is characterized in that the diffuser has a wall which transitions over the height of the wall from a circular inlet cross-section into an angular outlet cross-section, the transitions between the sides of the wall in the height direction having a twist taking into account the angle between the two radials and the diameter of the fan and the axial length of the diffuser is configured.
  • the diffuser is designed so that the ratio of inlet cross section to outlet cross section in a range ⁇ about 5, preferably between about 1, 2 and about 3, is located.
  • the fan according to claim 30 has the diffuser, whose at least two walls are formed so that their outlet end to increase the outflow surface is at different heights.
  • the device according to the invention according to claim 31 is designed such that the upper side of the housing side wall can be used optimally for the arrangement of the diffusers. At least two fans with diffusers are arranged on the upper side of the housing. These ventilators can be arranged with diffusers on each suitable side of the device housing.
  • the diffusers have a square outlet cross-section.
  • the angular design makes it possible to place the plurality of diffusers with only a small distance next to each other, so that in devices in which only a limited amount of space is available and multiple diffusers are used, these can be arranged directly next to each other in one or more rows.
  • the outlet cross sections have a quadrangular outlet cross section, adjacent diffusers with their respective contour sides can be arranged adjacent to one another or with only the smallest distance next to and behind one another. As a result, the housing side is optimally used to delay the flow velocity.
  • the outline shape of the diffusers at the outlet end preferably depends on the outline shape of the housing side on which the diffusers are provided.
  • the surface of the housing side can be optimally covered with corresponding diffusers, the housing side can be used optimally.
  • Show it 1 is a perspective view of a housing arranged outlet diffuser according to the invention of fan units
  • FIG. 3 is a rear view of the outlet diffuser according to FIG. 2, FIG.
  • FIG. 4 shows a rear view of a further embodiment of an outlet diffuser according to the invention
  • FIG. 5 is a plan view of the outlet diffuser of FIG. 4,
  • FIG. 6 shows the outlet diffuser according to FIG. 5 in a perspective view
  • Fig. 7 is a rear view of an outlet diffuser with a twist in the
  • FIG. 14 is an axial sectional view of another embodiment of an outlet diffuser according to the invention.
  • 16 is a perspective view of another embodiment
  • Fig. 1 shows a schematic representation of a housing 1 of a device 2, which is a heat exchanger by way of example.
  • the device 2 is a stand-alone device in the illustrated embodiment, but may also be a device mounted on a wall, a ceiling and the like.
  • the device 2 has a plurality of fans 3, which are arranged by way of example in two rows with a small distance one behind the other.
  • the fans 3 can be provided pressing or suction on the device or integrated into the device 2.
  • the fans 3 each have an outlet diffuser 4 (hereinafter referred to as a diffuser) by which leakage losses are minimized by converting the velocity of the exiting air into pressure.
  • a diffuser an outlet diffuser 4
  • the diffusers 4 are provided on the rectangular top 5 of the housing 1. To make optimum use of this rectangular top 5, the diffusers 4 have a quadrangular outline. This results in a particularly high increase in efficiency. The square shape leads to a large exit surface for the exiting air. Also occurs by no flow separation.
  • the diffusers 4 are exemplarily arranged so that they touch each other with their adjacent edges, as shown particularly in Fig. 1.
  • a diffuser 4 is explained in more detail. It has an annular interface 6, with which the diffuser 4 can be connected to the fan. At the outer edge 7 of the interface 6 includes a wall 8, which initially has a circular cross section and at a distance from the outer edge 7 continuously merges into a quadrangular outline. The wall 8 has the quadrangular outline over part of its height.
  • the only wall 8 is sufficient for the diffuser 4 as a diffuser wall.
  • two intermediate walls 9 and 10 are provided, which have over their height distance from each other, so that between the two partitions 9 and 10, a passage 11 is formed. Also between the intermediate wall 9 and the outer wall 8, there is a distance over the entire wall height, so that between the two walls 8 and 9, a further passage 12 is formed for the air.
  • the passages 11, 12 have a quadrangular shape.
  • the intermediate walls 9, 10 have the transition from a circular interface 13, 14 in the quadrangular shape as the jacket 8, wherein the quadrangular shape is to be understood in the same manner as in the wall 8.
  • the interfaces 13, 14 have smaller diameter than that Interface 6, wherein the interface 14 of the inner intermediate wall 10 has smaller diameter than the interface 13 of the middle partition 9.
  • the interface 14 advantageously has approximately the same diameter as the hub 21 (FIG. 9) of the impeller 20.
  • the walls 8 to 10 are designed so that the outline of the walls towards their free end increases, preferably steadily increases. The walls 8 to 10 thus have the largest outline at the free end.
  • the course of the walls 8 to 10 may be formed so that they extend from the interface 6, 13, 14 at least approximately parallel to each other. Depending on the flow conditions, however, the walls 8 to 10 may also be designed such that they do not extend parallel to one another.
  • the diffuser 4 may also have only one intermediate wall or more than two intermediate walls.
  • the walls 8 to 10 have the same height in the embodiment of FIG. 2, so that their free ends lie in a common plane.
  • the walls 8 to 10 may also be different heights.
  • the height of the walls 8 to 10 decreases from outside to inside. But it can also be two of the walls 8 to 10 the same height and the third wall higher or shorter than the other two walls. The height of the walls can thus be optimally adapted to the respective flow conditions so that the outlet losses are minimized.
  • the partitions 9, 10 are fixedly connected to each other and with the outer wall 8 in a suitable manner, for example by cross struts, with which the walls are interconnected.
  • the transition can, as shown by way of example in FIG. 4, take place in such a way that the transition areas 15, 16 between the sides 34 to 37 of the wall 8 are curved over their height. This course over the height of the wall 8 is indicated by the lines 15 in FIG. 4.
  • the transition region 5, 16 extends almost over the entire height of the wall 8.
  • the curvature is provided so that the transitions 15, 16 have a twist and the flow direction of the air behind the (not shown) impeller of the fan 3 follow.
  • the curvature is provided so that the transition regions 15, 16 form an angle along their length with a radial of the diffuser, which extends through the rounded corner 16 of the wall 8.
  • transitions 15, 16 Due to the course described occur only very small flow losses through the transitions 15, 16 at most. Due to the curvature, the transitions 15, 16 follow the swirl of the air flow within the diffuser 4. The Ü-transitions 15, 16 extend approximately from the outlet end of the wall 8 to close to the circular outer edge 7 of the interface. 6
  • the intermediate walls 9 and 10 are provided with such transitions 17, 18, which are also curved according to the flow of air behind the impeller curved like a spiral and from the transition areas between the sides of the intermediate walls 9, 10 from close to the respective interface 13, 14 extend.
  • transitions 15, 16; 17, 18 may also extend, as seen in the axial direction of the diffuser 4, straight, again these transition areas include an angle with the radial of the diffuser.
  • the walls 8 to 10 have a square outline. But you can also have rectangular, hexagonal or, for example, triangular outline.
  • the outline shape depends in particular on the shape of the corresponding side of the housing 1, on which the diffusers 4 are provided. The outline shape of the stream Outflow can thus be chosen so that the available housing side is optimally utilized.
  • the described twisting (twist) between the sides of the walls 8 to 10 is indeed an advantageous embodiment in the diffusers 4, but it is not absolutely necessary.
  • the diffusers 4 are characterized by no twisting (twist) at the transitions between the sides of the walls by excellent properties for use.
  • Fig. 9 shows the connection of the diffuser 4 to a nozzle 19 of the fan 3.
  • the nozzle 19 has a circular outline.
  • the fan 3 has the impeller 20 with the hub 21, from which the wings 22 protrude at equal intervals. They are advantageous at the radially outer edge, each with a
  • Winglet 23 provided.
  • the rear in the direction of rotation edge 24 of the wings 22 is profiled tooth-like.
  • the wings 22 of the impeller 20 may of course also have any other suitable design.
  • the diffuser 4 is radially connected to the nozzle 19 of the fan 3, preferably screwed, which is indicated by the dotted line 25.
  • the nozzle 19 is provided on a nozzle plate 32 which has approximately the same cross section as the free end of the wall 8. The nozzle 19 and the
  • Nozzle plate 32 are advantageously integrally formed with each other, but may also be separate components that are firmly connected together in a suitable manner.
  • the nozzle plate 32 advantageously has the same angular outline as the outlet end of the wall 8.
  • the nozzle plates 32 and the walls 8 of the diffusers 4 of adjacent fans 3 can abut each other, as shown in Fig. 1.
  • the diffuser 4 has the outer wall 8 and the intermediate walls 9, 10. In axial section, as is apparent from Fig. 9, the sides of the outer wall 8 are approximately concave.
  • the sides of the intermediate wall 9 extend in an axial section approximately straight, while the sides of the intermediate wall 10 have an approximately convex course.
  • Such a design of the walls 8 to 10 may be provided in all described embodiments.
  • vanes 26 may be provided in the diffuser, which extend between the walls 8 to 10 and are arranged rigidly.
  • the guide vanes 26 are located on the side facing away from the blades 22 side of the radial attachment 25 or, in the embodiment of FIG. 10, the axial attachment.
  • the diffuser 4 is pushed with its interface 6 on or in the nozzle 19 and fixedly connected to the nozzle by the radial attachment 25, which is advantageously a screw.
  • the walls 8 to 10 of the diffuser 4 can be designed to dampen noise in the described embodiments, so that only a quiet operating noise arises in use of the fans.
  • the walls 8 to 10 may also be designed to be adjustable in the described embodiments, so that they can be adapted in their outline shape at least over part of their height to the flow conditions and / or installation conditions.
  • the walls 8 to 10 may be designed to be flexible over at least part of their height, for example, for adjustability.
  • FIG. 10 shows the possibility of axially fixing the diffuser 4 to the nozzle 19 of the fan 3.
  • the interface 6 of the outer wall 8 may be provided with a radially outwardly extending annular flange 27 which is axially secured to a radially outwardly extending annular flange 28 at the free end of the nozzle 19.
  • This axial attachment is also advantageous a screw connection, which makes it possible to remove the diffuser 4 from the nozzle 19 as needed.
  • the diffuser 4 can be built relatively short due to the intermediate walls. The air conveyed by the impeller 20 passes between the walls 8 and 9 or 9 and 10.
  • the flow cross-section of the passages 1 1 and 12 initially decreases in the flow direction until it has its smallest cross-section in the region 29 indicated by a dashed line.
  • the air is accelerated within this range 29, which leads to a homogenization of the air flow.
  • the air flow can then be delayed with lower losses, resulting in a high efficiency of the diffuser 4.
  • From the region 29, the flow cross section of the passages 11, 12 increases in the direction of the outlet end, preferably continuously.
  • the cross-sectional constriction 29 also prevents premature stalling (breakdown of the flow) in the passage 11 and 12.
  • Fig. 1 1 shows an exemplary and advantageous use of the diffuser 4.
  • the inner partition wall 10 surrounds a terminal box 30 or a place for the electronics when the fan 3, an external rotor motor is used.
  • the part 30 would be the motor of the fan.
  • the air flow generated by the fan 3 flows through the passages 1 1, 12.
  • the air flow flowing through the passage 11, the surface of the motor 30 is well cooled, whereby an effective cooling of the electronics or electrical components of the engine is achieved.
  • the outer wall 8 of the diffuser 4 is formed integrally with the nozzle 19 in the embodiment of FIG. 1 1.
  • the exit region of the two passages 11, 12 is covered by a contact protection 31, which may be formed by a corresponding grid or by individual bars.
  • the contact protection 31 has a large distance from the rotating impeller 20.
  • the contact protection 31 can thereby be formed so that only small pressure losses occur when the air exits the diffuser 4 and only a small noise occurs. This effect can be achieved in particular by the contact protection 31 having a correspondingly large mesh size.
  • the described contact protection 31 may be provided in all described and illustrated embodiments.
  • the diffuser 4 of the described embodiments can be used for evaporators, condenser, air cooler, recooler and the like. As described with reference to FIGS. 9 to 11, the diffuser 4 may be provided with a supporting function for receiving the fan motor 30.
  • the fans 3 may be axial or diagonal fans.
  • the diffuser 4 may, if it does not have a swirl-having transition region 15, 16; 17, 18 in the walls 8 to 10, also be used for centrifugal fans.
  • the radius R at the exit end of the wall 8 ( Figure 7) is advantageously in a range of ⁇ 0.5 x D, where D is the diameter of the impeller 20 ( Figure 9).
  • the radius R of the rounded corners of the wall 8 in a range ⁇ about 0.25 x D. This design is valid for both diffusers 4 with and without twisting (twist).
  • the exit surface of the wall 8 is smaller due to the rounding of the corners than in a quadrangular outline at the exit end.
  • the area deviation A / A R of the maximum available angular area A is in the range between about 1 and 1, 27, preferably in a range between about 1 and about 1, 05.
  • the ratio described can be applied in principle to the walls 9 and 10.
  • the fillet does not have to be part of a circular arc (radius R), but can also have other shapes.
  • the described area ratio applies to diffusers with and without distortion (twist).
  • the efficiency of the diffuser can be optimally adjusted by the ratio of length L to diameter D of the fan 3 to the predetermined installation conditions.
  • This length-diameter ratio L / D is in a range of ⁇ 5, preferably in a range of about 0.2 to about 2. This ratio applies to all described embodiments, especially for diffusers without twisting (twist).
  • the inlet cross-section with A E and the outlet cross-section of the diffuser 4 is designated A A.
  • the ratio of exit surface to entry surface A A / A E is in a range of less than about 5, advantageously in a range between about 1, 2 and about 3.
  • the area ratio applies to all embodiments, in particular for diffusers without distortion (twist).
  • the twist or twist 15, 16 described with reference to FIGS. 4 to 7; 17, 18 is defined by the relationship ⁇ x, where the angle ⁇ between the two radials n and r 2 is measured.
  • the Radial extends through the intersection region between the transition region 15 with the inner free edge 7 of the wall 8.
  • the radial r 2 runs in contrast to lying in the exit surface corner region of the wall 8 from which the transition region 15 extends.
  • This twist or swirl ⁇ x is in a range between 0 ° and 360 °, but advantageously in a range between about 50 ° and 100 °.
  • FIG. 13 shows a diffuser 4, which is similar to the embodiment of FIG. 10 axially fixed to the nozzle 19 of the fan.
  • the diffuser 4 has except the outer wall 8, the intermediate walls 9, 10 and 38. They are each circumferentially formed and limit passages 1 1, 12, 39, 40, through which the air sucked by the fan flows.
  • the walls 8 to 10, 38 are each formed curved over their height and arranged so that the flow cross-section of the passages 1 1, 12, 39, 40 increases in the flow direction.
  • the inner intermediate wall 38 surrounds at a distance a central guide body 41, which continues the outer contour of the hub 21 of the impeller 20 of the fan 3 and continuously tapers from the hub 21 in the flow direction of the air until it runs out in a point.
  • the guide body 41 is formed approximately conically with a curved cone sheath line.
  • the diffuser 4 may also have a peripheral wall 41 according to the previous embodiments.
  • the walls 8 to 10, 38, 41 of the diffuser 4 are formed so that their outlet ends are at different heights.
  • the outlet ends of the walls lie on a circular arc 42.
  • the center of the circular arc 42 is located on the axis 43 of the guide body 41 in the region between the hub 21 and the Leit stressesspitze.
  • the Leit stresses dictate itself lies on the arc 42.
  • the inflow end 46 of the walls 8 to 10, 38, 41 is at the same level, while the outlet ends of the walls are arranged at different heights on the circular arc 42.
  • the height of the walls increases from the wall 8 to the intermediate wall 38 and the jacket of the guide body 41. Due to the different height of the walls 8 to 10, 38, 41 results in a large diffuser exit surface A A , which is characterized in axial section through the arc 42.
  • the diffuser inlet surface A E is substantially smaller than the diffuser exit surface A A. The larger the ratio of diffuser outlet area A A to diffuser inlet area A E , the more dynamic Energy of the airflow at the diffuser inlet is converted to pressure energy.
  • the outline shapes of the diffuser walls 8 to 10, 38, 41 may be square or round. In an exemplary embodiment with only round cross-sections of the diffuser walls 8 to 10, 38, 41 results in a diffuser exit surface AA, which lies approximately on a Kalotten setup, for example on a hemisphere surface.
  • the calotte surface is considerably larger than diffuser walls whose outlet ends lie in a flat surface whose width corresponds to B A.
  • the inflow edges 46 of the walls 9, 10, 38, 41 are in this embodiment in a common radial plane of the diffuser 4, but can also be at different heights.
  • a particularly advantageous embodiment results when the diffuser walls 8 to 10, 38, 41 at the outlet end at the angle ⁇ of about 90 ° to the associated tangent to the circular arc 42 and thus to the imaginary diffuser exit surface AA.
  • the end regions of the diffuser walls 8 to 10, 38, 41 can also lie at different angles ⁇ to the circular arc 42.
  • the diffuser exit surface can also be designed so that it has the shape of a half ellipse in axial section.
  • the length of a semi-axis, which extends transversely to the fan axis is limited by the available space.
  • the length of the other semi-axis, which is parallel to the fan axis, can be made larger, whereby the diffuser exit surface A A is increased accordingly.
  • the size of the exit surface A A can be maximized by means of different axial heights of the diffuser walls for a given installation space.
  • FIG. 14 shows, in an axial section, a further possibility of enlarging the diffuser exit surface A A in comparison to the diffuser entry surface A e .
  • the exit surface A A in axial section has a U-shape. If the diffuser walls are rectangular in outline, for example, then the exit surface A A is provided at the outer sides of an imaginary cuboid 44 which are at right angles to one another. If, on the other hand, the diffuser walls have a round, for example circular, outline, the exit surface A A lies approximately on the cylinder jacket of an imaginary cylinder 45.
  • the height H A of the exit surface can be selected transversely to the fan axis, regardless of the installation space of the diffuser. Depending on the size of the height H A , the exit area A A can be increased more or less.
  • the diffuser has a plurality of walls, each spaced from each other and form between them air passages.
  • the walls of the diffuser 4 are curved over their height.
  • the walls are designed so that widens the flow cross-section of the passages between the walls in the flow direction.
  • the walls may have round and / or angular outline.
  • a part of the walls of the diffuser 4 opens into the side surfaces and a part in the end face of the diffuser.
  • the walls of the diffuser 4 are each formed so that the outlet ends in the amount of the front side or the side surface (s) of the imaginary cuboid 44 and the imaginary cylinder 45 are.
  • the entrance ends 46 are at different axial heights. Accordingly, the entrance ends 46 of the diffuser walls are at different distances from the diffuser inlet.
  • Such a design of the diffuser leads to a particularly low-loss design.
  • the guide body 41 is in turn centrally located and extends from the hub 21 upwards.
  • the guide body 41 is conical in shape, with the apex of the cone lying in the end face of the imaginary cuboid 44 or of the imaginary cylinder 45.
  • the guide body of the diffuser 4 may have a circumferential wall 41 according to the embodiments of FIGS. 1 to 1 1.
  • the cuboid or cylindrical configuration of the outline of the diffuser 4 in the embodiment according to FIG. 14 is only to be understood as an example.
  • the diffuser can also have the shape of an isosceles triangle in axial section, for example, whose axis of symmetry is the fan axis 43.
  • the walls of the diffuser are then also of different heights and arranged so that the exit ends of these walls lie in the sides of the triangle. If the diffuser walls have a round outline, an equilateral triangle results in an axial outline of the conical shape of the diffuser. If the walls are square, roughly quadrangular in outline, the result for the diffuser is a square or four-sided pyramid.
  • the exit area A A in such embodiments, as in the embodiment according to FIGS. 13 and 14, is substantially larger than the diffuser entry area A E.
  • the exit ends of the walls can be like lie in the previous embodiment at about 90 ° to the side surfaces and also to the end face of the diffuser 4.
  • the diffusers in combination may have walls with a round and angular outline.
  • FIG. 15 A particularly advantageous embodiment of a diffuser is shown in FIG. 15.
  • the diffuser 4 has a similar design to the embodiment according to FIG. 10.
  • the diffuser is connected to the nozzle 19 of the fan 3.
  • the nozzle 19 has a circular outline.
  • the fan 3 has the impeller 20 with the hub 21, from which the wings 22 protrude at equal intervals. They are advantageously provided on the radially outer edge, each with a winglet 23.
  • the rear in the direction of rotation edge 24 of the wings 22 is advantageously profiled, in particular profiled tooth-like.
  • the wings 22 are advantageously formed wound.
  • the wings 22 can of course also have any other suitable design.
  • the diffuser 4 may be connected to the nozzle 19 radially or axially, as has been described with reference to FIGS. 9 and 10.
  • the nozzle 19 is provided on the nozzle plate 32, which has approximately the same cross-section as the free end of the wall 8.
  • the nozzle 19 and the nozzle plate 32 are advantageously integrally formed with each other, but may also be separate components, which are firmly connected together in a suitable manner.
  • the nozzle plate 32 advantageously has the same angular outline as the outlet end of the wall 8.
  • the nozzle plates 32 and the walls 8 of the diffusers 4 of adjacent fans 3 can abut each other here, as shown by way of example in FIG.
  • the outer wall 8 is approximately concave in axial section.
  • the sides of the intermediate wall 9 are approximately straight in axial section, while the sides of the intermediate wall 10 have an approximately convex course in axial section.
  • the guide vanes 26 may be provided in the diffuser 4, which extend between the walls 8 to 10 and are arranged rigidly.
  • the guide vanes 26 are located on the side facing away from the wings 22 side of the attachment 25, via which the diffuser 8 is connected to the nozzle 19.
  • the diffuser 4 is pushed with its interface on or in the nozzle 19.
  • the walls 8 to 10 can be designed to dampen noise, so that the use of the fans produces only a quiet operating noise.
  • the walls 8 to 10 can be designed to be adjustable, so that they can be adapted in their outline shape at least over part of their height to the flow conditions and / or installation conditions.
  • the intermediate wall 9 consists of two slightly overlapping wall sections 9a and 9b.
  • the overlap area is designed so that a gap 47 results, which leads to a positive fluidic effect.
  • Part of the air flowing through the passage 1 1 passes through the air gap 47 and thereby passes into the passage 12.
  • this gap 47 which extends advantageously over the circumference of the intermediate wall 9, the boundary layer flow in the axially outer passage 12 by means of accelerated by high-energy flow of the inner passage 1 1.
  • a flow separation in the further outward passage 12 is prevented or at least delayed. In this way, the energy efficiency of the diffuser 4 is increased.
  • the overlap of the two wall sections 9a, 9b may be designed such that part of the air flows from the inner into the outer passage or from the outer into the inner passage.
  • the annular gap 47 may be interrupted by webs or the like, through which the two wall sections 9a, 9b in the overlapping region be connected to each other.
  • the diffuser may also be provided at other locations with corresponding columns 47.
  • Fig. 16 shows a diffuser 4, in which the intermediate wall 9 is provided with recesses 48 or slots 49, through which a similar action is achieved as through the gap 47 of the diffuser of FIG. 15.
  • recesses or slots Through these recesses or slots is high-energy fluid from a passage in the boundary layer of the adjacent passage to avoid Stahl Anlagenabitesen or at least reduce.
  • the recesses 48 are advantageously distributed over the circumference of the intermediate wall 9.
  • the recesses 48 and the slots 49 may also be provided in combination on the intermediate wall 9. These recesses and slots may be provided on each of the walls of the diffuser 4 at any location and in any suitable distribution. This also applies to the gap 47 of the diffuser 4 according to FIG. 15.
  • the diffuser 4 is the same design as the embodiment according to FIG. 2, so that reference is made to the description of the diffuser there.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Nozzles (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Duct Arrangements (AREA)

Abstract

L'invention concerne un diffuseur présentant une paroi (8) entourant une entrée de section transversale ronde qui se prolonge, sur la hauteur de la paroi (8) du diffuseur, par une section transversale angulaire au niveau de la sortie du diffuseur. Les transitions (15) entre les côtés (34 à 37) de la paroi (8) présentent dans le sens de la hauteur une torsion suivant le moment cinétique de l'écoulement de l'air à travers le diffuseur. Le ventilateur comporte un tel diffuseur. L'appareil comporte un boîtier sur lequel sont disposés au moins deux ventilateurs comprenant respectivement un diffuseur.
EP13748807.8A 2012-02-17 2013-02-15 Diffuseur, ventilateur comportant un tel diffuseur et appareil comprenant de tels ventilateurs Active EP2815130B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201332008T SI2815130T1 (sl) 2012-02-17 2013-02-15 Difusor, ventilator s takim difuzorjem, kot tudi naprava s takimi ventilatorji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012003336A DE102012003336A1 (de) 2012-02-17 2012-02-17 Diffusor, Ventilator mit einem solchen Diffusor sowie Gerät mit solchen Ventilatoren
PCT/EP2013/000453 WO2013120623A2 (fr) 2012-02-17 2013-02-15 Diffuseur, ventilateur comportant un tel diffuseur et appareil comprenant de tels ventilateurs

Publications (2)

Publication Number Publication Date
EP2815130A2 true EP2815130A2 (fr) 2014-12-24
EP2815130B1 EP2815130B1 (fr) 2022-06-01

Family

ID=48914970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13748807.8A Active EP2815130B1 (fr) 2012-02-17 2013-02-15 Diffuseur, ventilateur comportant un tel diffuseur et appareil comprenant de tels ventilateurs

Country Status (9)

Country Link
US (1) US10197070B2 (fr)
EP (1) EP2815130B1 (fr)
JP (1) JP6357424B2 (fr)
CN (1) CN104302927B (fr)
DE (1) DE102012003336A1 (fr)
ES (1) ES2922729T3 (fr)
RU (1) RU2620308C2 (fr)
SI (1) SI2815130T1 (fr)
WO (1) WO2013120623A2 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6385752B2 (ja) 2013-12-02 2018-09-05 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 送風装置及び空気調和装置用室外機
CN106016648A (zh) * 2016-07-04 2016-10-12 珠海格力电器股份有限公司 一种出风框以及风管机
DE202017101353U1 (de) 2017-03-07 2017-05-09 Ebm-Papst Mulfingen Gmbh & Co. Kg Luftleitanordnung
US10822101B2 (en) * 2017-07-21 2020-11-03 General Electric Company Vertical takeoff and landing aircraft having a forward thrust propulsor
JP7068609B2 (ja) * 2018-05-31 2022-05-17 株式会社富士通ゼネラル 天井埋込型空気調和機
DE102018211809A1 (de) * 2018-07-16 2020-01-16 Ziehl-Abegg Se Gehäuse für einen Ventilator und Ventilator
US11352132B2 (en) * 2018-07-23 2022-06-07 General Electric Company Lift fan with diffuser duct
CN111219789B (zh) * 2018-11-27 2021-07-23 宁波奥克斯电气股份有限公司 一种吸风板安装结构及空调
US10883174B2 (en) * 2018-11-27 2021-01-05 Applied Materials, Inc. Gas diffuser mounting plate for reduced particle generation
CN109484644A (zh) * 2018-12-27 2019-03-19 酷黑科技（北京）有限公司 一种涵道式飞行器及涵道扩散器
KR102028935B1 (ko) * 2019-01-17 2019-10-07 김봉교 디퓨져를 구비한 강화 유리 제조 장치 및 제조 방법
US11441811B2 (en) 2019-03-11 2022-09-13 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blade for plenum slot diffuser
US11435111B2 (en) 2019-03-11 2022-09-06 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blades for round and rectangular ceiling diffuser
US11448418B2 (en) 2019-03-11 2022-09-20 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blades for linear bar diffuser
CN110360475A (zh) * 2019-08-09 2019-10-22 佛山市清源科技有限公司 具有静音大风量风道结构的照明装置
KR102377336B1 (ko) * 2020-06-09 2022-03-21 나명환 송풍기용 공기 증폭 송출장치
US11346564B2 (en) 2020-07-16 2022-05-31 Best Technologies, Inc. HVAC devices with improved design and functionality
US11846434B2 (en) 2020-07-16 2023-12-19 Best Technologies, Inc. Air handler devices with U-bend design
CN112610530A (zh) * 2021-01-07 2021-04-06 泛仕达机电股份有限公司 一种扭曲扩散筒及应用该扩散筒的轴流风机
CN112902423B (zh) * 2021-02-06 2022-07-08 西安建筑科技大学 一种圆形散流装置
DE102021104615A1 (de) * 2021-02-26 2022-09-01 Robert Bosch Gesellschaft mit beschränkter Haftung Vorrichtung zum Durchströmen einer Komponente einer Klimaanlage oder einer Heizanlage, Schutzgitter und Wärmepumpen-Außeneinheit
CN113623249B (zh) * 2021-08-26 2022-10-28 西安交通大学 一种采用矩形出口扩散筒内设隔板的并联式高效轴流风机

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1940790A (en) * 1930-10-18 1933-12-26 Walter S Diehl Fluid conducting passage
US2144035A (en) * 1935-09-20 1939-01-17 Bendix Prod Corp Fan blast transformer
US2209121A (en) * 1938-12-31 1940-07-23 Anemostat Corp America Fluid distributing device
US2750865A (en) * 1951-02-14 1956-06-19 Allied Thermal Corp Diffuser
GB788581A (en) * 1955-02-24 1958-01-02 & De Realisations Ind Seri Fou Improvements in and relating to fans and ventilating plants
JPS4829708Y1 (fr) * 1970-12-18 1973-09-10
JPS49142661U (fr) * 1973-04-02 1974-12-09
SU623998A1 (ru) * 1977-03-04 1978-09-15 Центральный научно-исследовательский и проектно-экспериментальный институт промышленных зданий и сооружений Кольцевой диффузор осевого вентил тора
JPS547040U (fr) * 1977-06-16 1979-01-18
JPS5426860U (fr) * 1977-07-26 1979-02-21
DE3515441A1 (de) 1985-04-29 1986-10-30 Dieter Prof. Dr.-Ing. 7500 Karlsruhe Wurz Ventilatorkuehler
US4714009A (en) * 1986-08-04 1987-12-22 Philips Industries Inc. Ceiling air diffuser
DE8705665U1 (de) * 1987-04-16 1987-06-11 Knürr-Mechanik für die Elektronik AG, 8000 München Lüftereinschub
US5117745A (en) * 1990-03-06 1992-06-02 Carnes Company, Inc. Safety lock
JPH0542949U (ja) * 1991-11-06 1993-06-11 株式会社フジタ 制気口の風量温度測定装置
FR2683599B1 (fr) 1991-11-07 1994-03-04 Ecia Carenage perfectionne pour ventilateur et son application a un groupe motoventilateur d'automobile.
FR2697287B1 (fr) * 1992-10-26 1994-12-09 Europ Gas Turbines Sa Diffuseur d'échappement de turbine à gaz.
FR2728028B1 (fr) 1994-12-07 1997-03-14 Sardou Max Dispositif pour transformer l'energie mecanique d'un moteur en une mise sous pression d'un gaz
JP3223099B2 (ja) 1996-02-26 2001-10-29 三洋電機株式会社 冷凍装置
US5740766A (en) * 1997-03-25 1998-04-21 Behr America, Inc. Automotive fan and shroud assembly
US5791876A (en) * 1997-03-25 1998-08-11 Behr America, Inc. Floating drive assembly for an automotive cooling fan
US6193603B1 (en) * 1999-10-07 2001-02-27 Kuo-Cheng Tai Wind outlet plate of an air conditioner for cleaning air
US6676371B1 (en) * 2002-08-22 2004-01-13 Custom Molders, Inc. Double barrel vehicle cooling fan shroud
US6776710B1 (en) * 2003-10-24 2004-08-17 Unico, Inc. Vent structure for slotted outlet with uniform velocity profile
FR2874409B1 (fr) 2004-08-19 2006-10-13 Max Sardou Ventilateur de tunnel
JP2007040562A (ja) * 2005-08-01 2007-02-15 Takasago Thermal Eng Co Ltd 冷暖自動切換角型アネモ
US8221074B2 (en) * 2007-12-21 2012-07-17 Paccar Inc Fan ring shroud assembly
FR2934009B1 (fr) * 2008-07-21 2010-09-03 Ge Energy Products France Snc Diffuseur d'echappement pour turbine a gaz
WO2011112555A1 (fr) * 2010-03-08 2011-09-15 Robert Bosch Gmbh Tuyère de ventilateur de refroidissement axial
CN201723504U (zh) * 2010-06-09 2011-01-26 张崇臣 一种用于风扇的导流静音装置
DE202011004708U1 (de) 2010-08-12 2011-07-14 Ziehl-Abegg Ag Ventilator
DE202010016820U1 (de) * 2010-12-21 2012-03-26 Ebm-Papst Mulfingen Gmbh & Co. Kg Diffusor für einen Ventilator sowie Ventilatoranordnung mit einem derartigen Diffusor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013120623A3 *

Also Published As

Publication number Publication date
ES2922729T3 (es) 2022-09-19
EP2815130B1 (fr) 2022-06-01
WO2013120623A3 (fr) 2014-08-07
WO2013120623A8 (fr) 2014-10-02
CN104302927A (zh) 2015-01-21
JP6357424B2 (ja) 2018-07-11
US20150300372A1 (en) 2015-10-22
RU2014137394A (ru) 2016-04-10
JP2015508884A (ja) 2015-03-23
WO2013120623A2 (fr) 2013-08-22
CN104302927B (zh) 2019-10-11
US10197070B2 (en) 2019-02-05
DE102012003336A1 (de) 2013-08-22
RU2620308C2 (ru) 2017-05-24
SI2815130T1 (sl) 2022-10-28

Similar Documents

Publication Publication Date Title
EP2815130A2 (fr) Diffuseur, ventilateur comportant un tel diffuseur et appareil comprenant de tels ventilateurs
EP2778432B1 (fr) Agencement de ventilateur avec redresseur de courant
EP2904277B1 (fr) Redresseur d'écoulement pour un ventilateur axial
EP2655891B1 (fr) Diffuseur de ventilateur avec entrée circulaire et sortie sans symétrie de révolution
DE2551614C2 (de) Axial kurzer Axialventilator
EP3255281B1 (fr) Ventilateur avec aubes de diffuseur tandem
DE102015226575B4 (de) Ventilatoreinrichtung
EP2716915B1 (fr) Boîtier pour un ventilateur axial
DE202014011464U1 (de) Gebläseeinrichtung und Außeneinheit einer Klimaanlage, welche diese umfasst
EP3559474A1 (fr) Module de ventilation ainsi qu'agencement d'un ou de plusieurs desdits modules de ventilation dans un canal d'écoulement
DE112013004326T5 (de) Zentrifugalluftgebläse
EP3372838B1 (fr) Installation de ventilation ayant un dispositif de guidage d'air
EP2333348B1 (fr) Boîtier de ventilateur radial
EP3784910A1 (fr) Enveloppe de ventilateur et ventilateur
EP3009682B1 (fr) Ventilateur axial avec diffuseur interne et externe
EP3751145A1 (fr) Dispositif de ventilateur
DE102005049794A1 (de) Propeller
EP2716916B1 (fr) Unité de ventilateur
EP4090853A1 (fr) Boîtier pour un ventilateur et ventilateur doté d'un boîtier correspondant
WO2015185314A1 (fr) Ensemble ventilateur
EP4113024A1 (fr) Appareil d'aération décentralisé et redresseur d'écoulement
DE1227290B (de) Diffusoranordnung kurzer Baulaenge mit einem Profilgitter am Anfang und/oder am Endedes divergierenden Diffusorteiles
DE9110195U1 (de) Ventilator
EP0621406A1 (fr) Agencement d'alimentation d'air à une soufflante radial ou analogue
WO2024074177A1 (fr) Ventilateur et structure de refroidissement pour ventilateur

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140811

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

R17P Request for examination filed (corrected)

Effective date: 20150209

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20181203

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20220105

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1495535

Country of ref document: AT

Kind code of ref document: T

Effective date: 20220615

Ref country code: CH

Ref legal event code: EP

Ref country code: DE

Ref legal event code: R096

Ref document number: 502013016157

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2922729

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20220919

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20220601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220901

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220902

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221003

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221001

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502013016157

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

26N No opposition filed

Effective date: 20230302

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230426

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220601

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230215

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230228

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230228

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20231115

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231222

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230215

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231221

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230228

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1495535

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230215

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240305

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230215

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230215

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SI

Payment date: 20231227

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20240219

Year of fee payment: 12