EP3203084B1 - Roue de ventilateur et systeme de ventilateur - Google Patents

Roue de ventilateur et systeme de ventilateur Download PDF

Info

Publication number
EP3203084B1
EP3203084B1 EP16153807.9A EP16153807A EP3203084B1 EP 3203084 B1 EP3203084 B1 EP 3203084B1 EP 16153807 A EP16153807 A EP 16153807A EP 3203084 B1 EP3203084 B1 EP 3203084B1
Authority
EP
European Patent Office
Prior art keywords
fan wheel
carrier means
rotation
axis
disc
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.)
Active
Application number
EP16153807.9A
Other languages
German (de)
English (en)
Other versions
EP3203084A1 (fr
Inventor
Matthias Wolf
Ralf Klinger
Knud Möllers
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.)
Punker GmbH
Original Assignee
Punker GmbH
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 Punker GmbH filed Critical Punker GmbH
Priority to EP16153807.9A priority Critical patent/EP3203084B1/fr
Publication of EP3203084A1 publication Critical patent/EP3203084A1/fr
Application granted granted Critical
Publication of EP3203084B1 publication Critical patent/EP3203084B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes

Definitions

  • the invention relates to a fan wheel for conveying a gaseous fluid, with a plurality of blades, which are arranged in a predeterminable angular division in an annular space volume around an axis of rotation and which are each fixed to carrier means with their axial, mutually opposite end regions, a first carrier means being a disk-shaped circular blank is formed coaxially to the axis of rotation and comprises a hub arrangement and wherein a second carrier means is designed as a ring coaxial to the axis of rotation and a spaced from the first carrier means is arranged a coaxial to the axis of rotation support plate which forms an annular gap with the first carrier means, the support disc of at least an inlet opening is penetrated, which enables a radially outward fluid flow in the annular gap.
  • the invention further relates to a blower arrangement.
  • an impeller with an inflow stabilizer which balances the fluid flow with a channel diffuser and is used in a centrifugal type rotary compressor.
  • slots are formed in the side walls of flow separating vanes of a diffuser, which open into cavities within the vanes, the plurality of cavities communicating with a common one, closed by means of the openings in the diffuser wall trained distributors are connected and the fluid connections between the plurality of passages in the diffuser and the surrounding common distributor increases the operating range of the compressor, since pressure surges in one or more passages are quickly compensated for.
  • the DE 33 10 376 A discloses a radial fan with a spiral housing and a fan wheel rotatably mounted in the spiral housing, a lateral inflow opening being provided in the spiral housing, an air gap or intermediate space being present between the inner wall of the spiral housing opposite the inflow opening and the fan wheel, the air gap or intermediate space being radial Direction is sealed in the radial end region of the fan wheel.
  • a fan wheel for conveying a gaseous fluid which has a plurality of blades, which are arranged at a constant angular division about an axis of rotation, at least one blade having an edge region and an inner region and a bead extending therebetween along a course curve and / or the edge region of a first Blade area and the inner region are determined by a second blade area, which are arranged and / or configured in a geometrically different manner.
  • the DE 10 2008 048 433 A1 discloses a radial fan with a closed fan wheel arranged in a housing, which can be connected via a hub to an output shaft of a motor, a first guide vane ring being arranged on one side of the fan wheel and a second guide vane ring being arranged on the side of the fan wheel facing away from it, wherein the second guide vane ring has a radial offset from the first guide vane ring towards the hub.
  • a fan wheel can be designed as a radial fan wheel, in particular with backward-curved blades, or also as a drum impeller, as can be seen, for example, in US Pat DE 1 628 336 A is known.
  • the drum impeller consists of a large number of narrow lamellae, which form the blades of the wheel and which are fastened between two end rings, the radius of which is substantially larger than the width of the lamellae, so that a drum-shaped construction is formed which is suitably connected to a Hub is connected, for example with the help of a circular plate which is attached to the fins at the center.
  • the object of the invention is to provide a fan wheel with improved aerodynamics and improved strength properties, and a blower arrangement with an enlarged range of uses.
  • a space volume of the annular gap delimited by the first support means and by the support disk has an axial extent along the axis of rotation that is considerably smaller than the axial extent of the annular space volume that is determined by the two support means and in which the blades are arranged are.
  • the axial extent of the annular gap along the axis of rotation is particularly preferably less than 20 percent, in particular less than 10 percent, of the axial extent of the annular space volume. This ensures that a fluid flow that flows through the annular gap in the radial direction toward the outside when the fan wheel rotates about the axis of rotation is considerably less than a fluid flow that flows through the annular space volume in the radial direction to the outside.
  • a mass flow of a main fluid flow through the annular space volume is at least 5 times, in particular at least 10 times larger than the mass flow of a secondary fluid flow through the annular gap.
  • the fluid flow through the annular gap can be used to dissipate heat from a drive motor which is used to drive the fan wheel.
  • the support disk is connected to the hub arrangement. This ensures an advantageous introduction of force and torque from the hub arrangement to the support disk, which ensures an advantageous flow of force in the fan wheel.
  • the connection of the support disk to the hub arrangement simplifies the centering of the support disk required for an advantageous concentricity of the fan wheel.
  • the support disk is connected directly to the first carrier means.
  • the support disk and the first support means form a stable composite which, with a suitable design of the support disk and the first support means, leads to a considerable increase in the stability of the fan wheel, without the need for a considerably larger amount of material.
  • the first carrier means which is typically formed as a stamped sheet-metal blank, in view of the connection to the support disk with a reduced one Material thickness is executed and the, preferably designed as a stamped sheet metal blank, has a material thickness which is similar to the material thickness of the first carrier means, in particular is identical to the material path of the first carrier means.
  • the support disk and the first carrier are integrally connected to one another, for example by welding, in particular reader welding, and / or gluing.
  • projections in particular beads, are formed on the support disk and / or on the first support means, each in the axial direction in the annular gap, which are fixed to an opposite surface of the support disk or the first support means.
  • projections which can already be formed during the manufacture of the support disk, which is typically designed as stamped sheet-metal blanks, or the first carrier means, in addition to a stabilizing effect for the respective component (first carrier center, support disk), an inexpensive and precise spacing of the two components from one another is also possible .
  • the projections are preferably geometrically adapted with a front side facing the respectively opposite surface to a geometry of the opposite surface, which can preferably be flat. In this way, a large-area support of the projections on the opposite component is ensured, so that the desired stable bond between the support disk and the first carrier can be created.
  • the projections are designed in the radial direction Show main extension.
  • the projections have a double function which, in addition to the precise spacing and stable connection of the support disk and the first carrier means, also comprises a guiding action for the fluid flowing through the annular gap.
  • the projections are arranged on radial lines which extend outward from the axis of rotation in the radial direction.
  • the projections assume an offset and / or an acute angle with the radial lines or are at least partially curved.
  • the support disk is preferably penetrated by a plurality of inlet openings arranged at the same angular division from the axis of rotation, in particular congruently, between which radial spokes extend from the hub arrangement to a radially outer ring region of the support disk.
  • the task of the inlet openings is to allow an axial inflow of fluid into the annular gap when the fan wheel rotates.
  • the inlet openings are congruent, that is to say geometrically congruent, and are arranged at the same angular division with respect to the axis of rotation.
  • the inlet openings are each delimited in the circumferential direction by radial spokes, which are preferably web-shaped and in particular extend along radial lines that extend radially outward from the axis of rotation. It can further be provided that the inlet openings are bordered by a radially inner, circular segment-shaped edge and / or by a radially outer, circular segment-shaped edge. It is expedient if guide projections, in particular beads, of the first carrier means extend along the radial spokes up to the radially outer ring region, in particular up to a maximum diameter of the radially outer ring region. This ensures a fluid guide function for the fluid flow in the annular gap.
  • the fluid is always guided in an aerodynamically favorable manner with its flow movement starting from the inlet opening, which is formed in a radially inner region of the support disk, up to the radial exit from the annular gap with the aid of the respective guide projection.
  • support projections in particular beads, which are arranged on the first support means and / or on the support disk and are arranged between adjacent guide projections and extend in the radial direction over the radially outer ring region and are fixed on an opposite surface of the support disk or the first support means are.
  • These support projections serve as additional guide means for the fluid flow in the annular gap and also contribute to the formation of a stable combination of the support disk and the first carrier means.
  • the support disk has, in a radially outer area, an at least partially circular projection that extends in an axial direction opposite to the annular gap.
  • the task of the at least partially circular projection is to stabilize the support disk.
  • the arrangement of the radial circumferential projection in the radially outer region of the support disk enables an advantageous combination between the desired stabilizing effect and the smallest possible Impairment of the fluid flow in the annular gap can be achieved.
  • a projection is formed on the blades in a radially outer region, the longest edge of which makes an acute angle with the axis of rotation.
  • the purpose of this projection on the blade is to stabilize the radially outer region of the blade, which is exposed to the greatest fluid forces when the fan wheel is used in a blower arrangement.
  • this projection can also be used to advantageously influence the fluid flow through the annular space volume, this fluid flow, the production of which is the main task of the fan wheel, being considerably greater than the fluid flow through the annular gap.
  • the longest edge of the projection on the blade is aligned parallel to a connecting line between an outer edge of the first carrier means designed as a disc-shaped circular blank and an inner edge of the second carrier means designed as a ring.
  • a blower arrangement with a drive motor which has a drive shaft which is rotatably mounted on a motor housing comprises, as well as solved with a fan wheel according to any one of the preceding claims, wherein the fan wheel with the hub assembly is rotationally fixed to the drive shaft such that the support disc is arranged adjacent to the motor housing, so that when the fan wheel rotates about the axis of rotation, a fluid flow from the motor housing is effected in the direction of the support disc.
  • the fan wheel is provided to provide a main fluid flow and a secondary fluid flow when rotating about the axis of rotation, the secondary fluid flow being able to be used, for example, to support heat dissipation from the drive motor.
  • Fan wheel 1 shown in different views, is provided for conveying a gaseous fluid, in particular air, and can be used, for example, in an oven, not shown, where it is set in rotation by a drive motor, not shown, about a rotation axis 2 in order to circulate the Air volume located in the oven.
  • the fan wheel 1 has, for example, a first carrier means designed as a disk-shaped circular blank 3 coaxial with the axis of rotation 2 and a second carrier means designed as a ring 4 coaxial with the axis of rotation 2, which are spaced along the axis of rotation 2 and arranged coaxially to one another.
  • the ring 4 is designed with respect to the axis of rotation 2 as a rotating body with a J-shaped profile and forms an inflow nozzle for a main fluid flow which, when the fan wheel 1 rotates about the axis of rotation 2 in the radial direction outwards between the two carrier means 3 and 4 is promoted.
  • a plurality of blades 5 arranged in predeterminable, in particular constant, angular pitch, the largest surface 6 of which extends between the round blank 3 and the ring 4.
  • the largest surface 6 is flat and is arranged in a plane, not shown, which is delimited by the axis of rotation 2 and a radial line 7 extending transversely to the axis of rotation 2 in the radial direction.
  • a projection 8 is formed on the largest surface 6, the longest edge 9 of which forms an acute angle 10 with the axis of rotation 2, as is the case here in the representation of the Figure 3 is indicated.
  • each blade 5 has a tab 15, 16, which is oriented transversely to the largest surface 6 and with which the blade 5 is flat, both on an axial end region 11 facing the round plate 3 and on an axial end region 12 facing the ring 4. in particular cohesively, is fixed to the circular blank 3 or the ring 4.
  • the longest edge 9 of the projection 8 is aligned at least substantially parallel to a connecting line 17 between a circular outer edge 18 of the round blank 3 and a circular inner edge 19 of the ring 4.
  • the circular disc 3 is assigned a support disk 20 which is formed coaxially to the axis of rotation 2 and which forms an annular gap 21 with the circular disc 3.
  • the support disk 20 is designed as a rotating body with respect to the axis of rotation 2 and is provided with a plurality of inlet openings 22, which are arranged, for example, in the same angular division to the axis of rotation 2. It can be provided that all inlet openings 22 have an identical cross-sectional geometry and are therefore congruent.
  • the inlet openings 22 are arranged on the support disk 20 such that radial spokes 23 are formed between the inlet openings 22, which limit the inlet openings 22 in the circumferential direction and which connect an annular inner region 24 of the support disk 20 to an annular outer region 25 of the support disk 20.
  • the inner region of the support disk is connected in a force-transmitting manner to a hub arrangement 26, which in turn is connected to the circular blank 3 in a force-transmitting manner.
  • the hub arrangement 26 is designed as a shaft coupling, for example rotationally fixed attachment of the fan wheel 1 is set up on a drive shaft, not shown.
  • a plurality of projections 27 and 28 facing the support disk 20 are formed on the round blank 3, which can be a stamped sheet-metal blank, which are implemented, for example, in the manner of beads.
  • the projections 27 are guide projections which extend in the radial direction over almost the entire diameter of the round blank 3 and which are arranged such that they rest on the radial spokes 23 and the adjoining outer region 25 of the support disk 20.
  • the projections 28 are designed as support projections which, for example, rest only on the outer region 25 of the support disk 20.
  • Both the guide projections 27 and the support projections 28 have end faces 29 facing the support disk 20, which lie flat against a surface 30 of the support disk 20 facing the round blank 3 and are fixed there, for example, in a materially integral manner, in particular by gluing or welding.
  • the guide projections 27 and the support projections 28 thus determine the distance 31 between the round blank 3 and the support disk 20 and thus also the volume of the annular gap 21.
  • the distance 31 is selected to be considerably smaller than a distance 34 between the round blank 3 and the ring 4.
  • both the guide projections 27 and the support projections 28 are aligned with a respective main extension along radial lines (not shown in more detail) which, starting from the axis of rotation 2, extend in the radial direction to the outside.
  • the support disk 20 has in a radially outer region a circular circumferential projection 32 which extends axially in a direction away from the round blank 3 and which is provided as an exemplary triangular shaped bead for stabilizing the support disk 20.
  • a concave depression is formed by the projection 32 when the rear side 33 of the fan wheel 1 is viewed, while the surface 30 of the support disk 20 facing the circular disc 3, with the exception of the projection 32, is of a flat design.
  • the hub arrangement 26 enables the fan wheel 1 to be fixed in a rotationally fixed manner on a drive shaft, not shown, of a motor, in particular an electric motor.
  • the fan wheel 1 is preferably arranged on the drive shaft such that the support disk 20 faces the motor, while the ring 4 faces away from the motor.
  • a (secondary) fluid flow can be brought about through the annular gap 21, this (secondary) fluid flow, for example, heated air from the surroundings of the engine and can thus help cool the engine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (12)

  1. Roue de ventilateur pour refouler un fluide sous forme gazeuse, avec plusieurs ailettes (5), qui sont disposées selon une répartition angulaire pouvant être prédéfinie dans un volume spatial annulaire autour d'un axe de rotation (2) et qui sont fixées respectivement au niveau de moyens de support (3, 4) par leurs zones d'extrémité (11, 12) axiales opposées les unes aux autres, dans laquelle un premier moyen de support (3) est réalisé en tant que rond en forme de disque de manière coaxiale par rapport à l'axe de rotation (2) et comprend un ensemble formant moyeu (26) et dans laquelle un deuxième moyen de support (4) est réalisé en tant qu'anneau de manière coaxiale par rapport à l'axe de rotation (2), dans laquelle est disposé à distance par rapport au premier moyen de support (3) un disque d'appui (20) réalisé de manière coaxiale par rapport à l'axe de rotation (2), qui réalise avec le premier moyen de support (3) une fente annulaire (21) et dans laquelle le disque d'appui (20) est traversé par au moins une ouverture d'entrée (22), qui permet un flux de fluide dirigé radialement vers l'extérieur dans la fente annulaire (21), caractérisée en ce que sont réalisées au niveau du disque d'appui (20) et/ou au niveau du premier moyen de support (3) des saillies (27, 28) s'étendant respectivement dans une direction axiale dans la fente annulaire (21), qui sont fixées au niveau d'une surface (30) faisant face du disque d'appui (20) ou du premier moyen de support (3).
  2. Roue de ventilateur selon la revendication 1, caractérisée en ce que le disque d'appui (20) est relié à l'ensemble formant moyeu (26).
  3. Roue de ventilateur selon la revendication 1 ou 2, caractérisée en ce que le disque d'appui (20) est relié directement au premier moyen de support (3).
  4. Roue de ventilateur selon la revendication 1, 2 ou 3, caractérisée en ce que les saillies (27, 28) sont réalisées en tant que moulures.
  5. Roue de ventilateur selon la revendication 1, 2, 3 ou 4, caractérisée en ce que les saillies (27, 28) présentent une extension principale réalisée dans une direction radiale.
  6. Roue de ventilateur selon l'une quelconque des revendications précédentes, caractérisée en ce que le disque d'appui (20) est traversé par plusieurs ouvertures d'entrée (22) disposées selon une répartition angulaire identique par rapport à l'axe de rotation (2), en particulier réalisées de manière congruente, entre lesquelles des rayons radiaux (23) s'étendent depuis l'ensemble formant moyeu (26) vers une zone annulaire (25) située à l'extérieur radialement du disque d'appui (20).
  7. Roue de ventilateur selon la revendication 6, caractérisée en ce que des saillies directrices (27), en particulier des moulures, du premier moyen de support (3) s'étendent le long des rayons radiaux (23) jusqu'à la zone annulaire (25) située à l'extérieur radialement, en particulier jusqu'à un diamètre maximal de la zone annulaire (25).
  8. Roue de ventilateur selon la revendication 7, caractérisée en ce que sont réalisées, au niveau du premier moyen de support (3) et/ou au niveau du disque d'appui (20) des saillies d'appui (28), en particulier des moulures, respectivement disposées entre des saillies directrices (27) adjacentes, s'étendant dans une direction radiale au-dessus de la zone annuaire (25) située à l'extérieur radialement, qui sont fixées au niveau d'une surface (30) faisant face du disque d'appui (20) ou du premier moyen de support (3).
  9. Roue de ventilateur selon l'une quelconque des revendications précédentes, caractérisée en ce que le disque d'appui (20) présente dans une zone située à l'extérieur radialement une saillie (32) au moins par endroits périphérique de manière circulaire, qui s'étend dans une direction axiale opposée à la fente annulaire (21).
  10. Roue de ventilateur selon l'une quelconque des revendications précédentes, caractérisée en ce qu'est réalisée au niveau des ailettes (5) dans une zone située à l'extérieur radialement, respectivement une saillie (8), dont l'arête (9) la plus longue forme avec l'axe de rotation (2) un angle aigu (10).
  11. Roue de ventilateur selon la revendication 10, caractérisée en ce que l'arête (9) la plus longue de la saillie (8) est orientée au niveau de l'ailette (5), en particulier au moins sensiblement, de manière parallèle par rapport à une ligne de liaison (17) entre une arête extérieure (18) du premier moyen de support (3) réalisée en tant que rond en forme de disque et une arête intérieure du deuxième moyen de support (4) réalisé en tant qu'anneau.
  12. Ensemble formant soufflante avec un moteur d'entraînement, qui comprend un arbre d'entraînement monté de manière à pouvoir tourner au niveau d'un carter de moteur, ainsi qu'avec une roue de ventilateur (1) selon l'une quelconque des revendications précédentes, qui est fixée avec l'ensemble formant moyeu (26) de manière solidaire en rotation au niveau de l'arbre d'entraînement de telle manière que le disque d'appui (20) est disposé de manière adjacente par rapport au carter de moteur, de sorte que lors d'un mouvement de rotation de la roue de ventilateur (1) autour de l'axe de rotation (2), un flux de fluide est provoqué depuis le carter de moteur en direction du disque d'appui (20).
EP16153807.9A 2016-02-02 2016-02-02 Roue de ventilateur et systeme de ventilateur Active EP3203084B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16153807.9A EP3203084B1 (fr) 2016-02-02 2016-02-02 Roue de ventilateur et systeme de ventilateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16153807.9A EP3203084B1 (fr) 2016-02-02 2016-02-02 Roue de ventilateur et systeme de ventilateur

Publications (2)

Publication Number Publication Date
EP3203084A1 EP3203084A1 (fr) 2017-08-09
EP3203084B1 true EP3203084B1 (fr) 2020-07-15

Family

ID=55299323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16153807.9A Active EP3203084B1 (fr) 2016-02-02 2016-02-02 Roue de ventilateur et systeme de ventilateur

Country Status (1)

Country Link
EP (1) EP3203084B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023116229B4 (de) * 2023-06-21 2026-02-26 Ebm-Papst Mulfingen Gmbh & Co. Kg Laufrad für Radiallüfter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK113512B (da) 1965-09-08 1969-03-31 Nordisk Ventilator Centrifugalventilator med tromleløbehjul.
US3414188A (en) * 1966-11-25 1968-12-03 American Radiator & Standard Fan having hollow blades
DE3310376A1 (de) * 1983-03-22 1984-09-27 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Radialgeblaese mit spiralgehaeuse
DE102008048433A1 (de) * 2008-09-23 2010-03-25 Daimler Ag Radialgebläse
PL2846046T3 (pl) * 2013-09-10 2018-04-30 Punker Gmbh Wirnik wentylatora

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3203084A1 (fr) 2017-08-09

Similar Documents

Publication Publication Date Title
EP1608875B1 (fr) Roue de soufflante radiale, unite de soufflante, et dispositif de soufflante radiale
DE60128230T2 (de) Integrierter kanaldiffusor
EP1712800B1 (fr) Roue de ventilateur
EP3775565B1 (fr) Ventilateur diagonal compact avec dispositif de guidage aval
EP3239612B1 (fr) Chambre de combustion de turbine à gaz
DE102008011644A1 (de) Gehäusestrukturierung für Axialverdichter im Nabenbereich
DE102007056953A1 (de) Strömungsarbeitsmaschine mit Ringkanalwandausnehmung
EP2122181B1 (fr) Roue de ventilateur, système et série de boîte de vitesses
DE102008010912B4 (de) Lüfterrad, System und Getriebebaureihe
EP4073389B1 (fr) Roue à aubes pour rotor, et machine électrique
DE102013106679A1 (de) Gebläsebaugruppe
DE102014203604A1 (de) Schaufelreihengruppe
DE2441988A1 (de) Radialstroemungsgeblaese
WO2016110373A1 (fr) Soufflante à canal latéral pour un moteur à combustion interne
EP3865711B1 (fr) Ventilateur pourvu de plaque de recouvrement sur la cloche de rotor
EP2994615B1 (fr) Rotor pour une turbomachine thermique
WO2016046036A1 (fr) Rotor de compresseur radial et compresseur radial associé
DE102008053144B4 (de) Gargerät mit Lüfteranordnung
EP2994614A1 (fr) Rotor pour turbomachine thermique
EP3203084B1 (fr) Roue de ventilateur et systeme de ventilateur
EP2333346B1 (fr) Ventilateur pour moteur à combustion interne
EP3312427B2 (fr) Ventilateur doté de la roue de ventilateur et des ailettes de diffusion
EP3949090B1 (fr) Système de ventilateur avec un moteur électrique
EP3292311B1 (fr) Pompe à liquide de refroidissement pour moteur à combustion interne
EP3892862B1 (fr) Roue de 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

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

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

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

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180209

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

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: 20200210

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

Ref country code: CH

Ref legal event code: EP

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: DE

Ref legal event code: R096

Ref document number: 502016010487

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1291331

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200815

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20200715

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

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: 20201015

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: 20201016

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: 20200715

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: 20200715

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: 20201116

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: 20200715

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: 20200715

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: 20201015

Ref country code: ES

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: 20200715

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: 20201115

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: 20200715

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: 20200715

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: 20200715

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: 20200715

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502016010487

Country of ref document: DE

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: 20200715

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: 20200715

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: 20200715

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: 20200715

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: 20200715

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502016010487

Country of ref document: DE

Representative=s name: PATENTANWAELTE MAGENBAUER & KOLLEGEN PARTNERSC, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502016010487

Country of ref document: DE

Owner name: RATIONAL AKTIENGESELLSCHAFT, DE

Free format text: FORMER OWNER: PUNKER GMBH, 24340 ECKERNFOERDE, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502016010487

Country of ref document: DE

Owner name: PUNKER GMBH, DE

Free format text: FORMER OWNER: PUNKER GMBH, 24340 ECKERNFOERDE, DE

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: 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: 20200715

26N No opposition filed

Effective date: 20210416

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

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: 20200715

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

Ref country code: SI

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: 20200715

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: 20200715

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20210202

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20210228

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: 20210202

Ref country code: LI

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

Effective date: 20210228

Ref country code: CH

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

Effective date: 20210228

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: 20210202

Ref country code: FR

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

Effective date: 20210228

Ref country code: GB

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

Effective date: 20210202

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1291331

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210202

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: 20210202

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: 20210228

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

Ref country code: HU

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

Effective date: 20160202

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

Effective date: 20230523

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

Ref country code: CY

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: 20200715

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

Ref country code: MK

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: 20200715

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

Ref country code: MT

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: 20200715

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

Ref country code: TR

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: 20200715

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

Ref country code: DE

Payment date: 20260217

Year of fee payment: 11

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

Ref country code: IT

Payment date: 20260227

Year of fee payment: 11