EP3234369A1 - Axialventilator - Google Patents
AxialventilatorInfo
- Publication number
- EP3234369A1 EP3234369A1 EP15831050.8A EP15831050A EP3234369A1 EP 3234369 A1 EP3234369 A1 EP 3234369A1 EP 15831050 A EP15831050 A EP 15831050A EP 3234369 A1 EP3234369 A1 EP 3234369A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping ring
- wing
- rotor
- wings
- recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000004512 die casting Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
Definitions
- the invention relates to an axial fan with a rotor comprising a rotor outer or inner rotor motor, wherein at least two wings with end-side connection areas are positively and non-positively connected to the rotor and wherein the connection is made by clamping the connecting portions by means of clamping ring.
- this is about fans that are driven by an external rotor motor or an internal rotor motor.
- the wings on the outer surface of the rotor with this or the front side with the hub of the inner rotor are firmly connected.
- connection of the wings takes place in the prior art regularly via two clamping ring halves or a clamping ring and a fixedly connected to the rotor counterpart to positively and non-positively connect the individual wings with the rotor.
- the number of wings for example, three wings, five wings or seven wings, you always need different clamping ring halves or different clamping rings together with counterpart on the rotor. This is due to the very different parts consuming in the production and storage.
- EP 0 769 095 B1, EP 0 121 061 B1 and EP 1 783 375 A1 to the state of the art.
- the present invention is therefore based on the object of specifying a flexible connection concept for the blades of axial fans, according to which only a few different connection components are required with different number of blades.
- the connection concept according to the invention is intended to a maximum Flexibility in assembly and in terms of the parts to be manufactured and stocked.
- the generic axial fan is characterized in that the clamping ring according to the number of wings recesses, which together with one holding piece receptacles for the connecting portion of the wings, wherein the holding piece is supported against the rotor and the clamping ring, including the connecting portion of the wings is connected to the rotor, preferably with a flange or hub formed on the rotor, etc.
- axial fans are to be equipped with a different number of blades with only one specific mounting part, namely with a specific clamping ring having a number of recesses corresponding to the number of wings to be mounted, which at least partially serve to receive the wings.
- a clamping ring with three recesses is accordingly to be used, in each of which one of the wings with its foot-side connecting portion fits.
- Each of the recesses of the clamping ring cooperates with a holding piece, which is to be provided in the sense of a counterpart.
- the recess of the clamping ring together with the holding piece forms a two-part receptacle for the connecting area of the respective wing.
- connection concept of the invention results from the interaction of a clamping ring with a holding piece per recess, so that corresponding to the number of recesses, with the addition of the holding piece, recordings for the connection area of the wings arise.
- the holding piece is formed with its shape or contour such that it is supported in an ideal manner against the rotor or against a component of the rotor.
- Under Inclusion of the connecting portion of the respective wing of the clamping ring is connected to the rotor, such that the connection region of the respective wing is braced within the receptacle.
- the clamping ring is preferably connected to a flange formed on the rotor, a hub, etc., depending on whether the drive is an external rotor motor or an internal rotor motor.
- the clamping ring together with the holding piece forms a receptacle for the connecting portion of the wing and clamped the connection area within the receptacle characterized in that the clamping ring is screwed tightly to the rotor. A secure connection is thus created.
- connection concept refers to the fact that only a single specific component is required, namely a clamping ring designed for the number of wings. Regardless of the number of wings, each recess of the clamping ring cooperates with a unitary retaining piece so that in a single embodiment this retaining piece is easy to store.
- the holding piece and the respective recess in the clamping ring can be matched to one another such that the holding piece is at least slightly inserted into the recess of the clamping ring, whereby a pre-assembly of the wings on the clamping ring is possible.
- the holding piece and the recess of the clamping ring together form the receptacle for the connecting region of the wing, wherein this receptacle can be designed substantially rotationally symmetrical according to the configuration of the connecting portion of the wing.
- the receptacle in the region of the holding piece and / or in the region of the recess of the clamping ring has at least one opening into which a positioning nose of the connecting region of the wing fits, thereby defining the wing angle.
- the receptacle in the region of the holding piece and / or in the region of the recess of the clamping ring has at least one opening into which a positioning nose of a permanently assigned, exchangeable and / or reversible the connecting region of the wing or reversible Indexier institutionss fits.
- the wing angle can be defined, namely according to the configuration or arrangement of the positioning lug on the indexing piece.
- the Indexier Siri is preferably a component which at the lower end of the connecting portion of the wing attachable or plugged and possibly latched, so that is realized by the Indexier Siri a kind of coding of the wing with respect to its position within the receptacle , In any case, the Indexier Siri complements the connection region of the wing, thereby creating a forced positioning of the connection area within the receptacle and thus the wing altogether.
- the indexing piece has a specific color in accordance with the wing angle defined by the positioning nose, which can be recognized by a passage formed in the tensioning ring from the outside, better from the front.
- the positioning piece and / or the recess within the jointly formed receptacle for the connecting region of the wing is assigned a positioning nose.
- This positioning nose engages in a recess in the connecting region of the wing, whereby the wing angle and possibly the conveying direction is defined. Again, at least the wing angle is forced, but compared to the variant with indexing with less flexibility.
- the clamping ring is connected to the rotor, in particular with a flange on the outside running rotor or with a hub in the front region of the inside rotor. Any other mounting options are conceivable and covered by the teaching of the invention.
- the clamping ring can be connected to the rotor either from the clamping ring side, i. from the front, or from the flange side, i. from behind, be bolted.
- the clamping ring When screwing from the front, it is advisable to screw the clamping ring by means of appropriate screw holes in the clamping ring with the rotor, using conventional screws.
- the wing, the clamping ring, the retaining element and possibly the Indexier congress can be made of plastic by plastic injection molding or aluminum by die-cast aluminum. It is also conceivable that the wear or unwanted deformation exposed parts made of a harder material, ie made of a harder plastic or a harder aluminum alloy.
- FIG. 1, 2 and 3 in a schematic view of embodiments of a
- FIG. 5, 6, and 7 in a schematic view of embodiments of a
- Fig. 8 shows the object of Fig. 7 in exploded view with the essential components of the invention
- Fig. 9 is a schematic view of a clamping ring for
- Fig. 10 in a schematic view of the object of FIG. 9 from the rear, Fig. 1 1 is a schematic view of a clamping ring for
- FIG. 12 is a schematic view of the object of FIG. 1 1 from behind
- 13 shows a schematic view of a clamping ring for connecting seven wings from the front
- FIG. 14 shows a schematic view of the article from FIG. 13 from the rear
- Fig. 15 is a schematic view of an embodiment of a
- FIG. 16 is a sectional and enlarged view, a section through the clamping ring and the wing including representations of holding element and inserted Indexier Sharing
- Fig. 17 is a sectional and enlarged view of an alternative embodiment of the arrangement of FIG. 16, wherein the holding element with a Positioning nose takes over the task of Indexier Sharings of FIG. 16,
- Fig. 18 is a schematic view of the angle variation by means of
- Fig. 20 is a schematic view of the angle variation means
- Fig. 21 is a schematic view of the angle variation means
- Indexing piece, angle -4 °, in the other conveying direction, n in each case a schematic view of an indexing piece for the angles + 4 ° and -4 ° for both conveying directions and 24 shows a schematic view of an exemplary embodiment of a wing according to the invention with a foot-side connecting region, which can be supplemented by an indexing piece corresponding to FIGS. 22 and 23.
- Figs. 1, 2 and 3 show embodiments of an axial fan according to the invention with external rotor motor.
- the rotor 1 is arranged on the outside and the wings (three wings according to FIG. 1, five wings according to FIG. 2 and seven wings according to FIG. 3) are connected via a clamping ring 2 to a flange 3 of the rotor 1.
- the conveying direction and the blade angle are predetermined according to the orientation of the wings 4 and the Indexier harmonyes 12.
- FIGS. 1, 2 and 3 further show that passages 2 a are provided in the clamping ring 2 in the sense of front-side screwing holes, namely to accomplish the assembly and clamping from the front.
- Fig. 4 shows an exploded view of essential parts of the article of Fig. 3, wherein there is only one wing 4 is shown.
- the rotor 1 is shown with the flange 3, which serves to screw the respective clamping ring 2.
- This different clamping rings 2, according to the number of blades 4, can be screwed to the flange 3, this is equipped with a hole pattern 2b, namely for screwing different clamping rings 2, through the passages 2a and screw through holes.
- the hole pattern 2b is thus designed to screw all eligible clamping rings 2 according to the local screwing holes.
- the clamping ring 2 is equipped with a total of seven recesses 5, each cooperating with an identical holding piece 7.
- the connecting portion 6 of the wing 4 is enclosed in the recess 5 by the material of the clamping ring 2 and the retaining piece 7, is located by cooperation of the clamping ring 2 and the retaining piece 7 in a more or less closed receptacle 8 (see Fig. 16, 17). , Wherein the entire arrangement, ie screwed in the inserted state of the wing 4, via the clamping ring 2 with the flange 3 of the rotor 1 and thereby clamped. A positive and non-positive connection is created.
- FIGS. 5, 6 and 7 show further embodiments of axial fans according to the invention corresponding to FIGS. 1, 2 and 3, but with an internal rotor motor.
- the rotor 1 runs inside and the clamping ring 2 is connected to the hub 9 of the rotor 1.
- the wings 4 are determined according to the embodiments of FIGS. 1 to 3. In that regard, the same statements apply here as to the variants with external rotor motor.
- FIG. 8 shows an exploded view of the article from FIG. 7, the clamping ring 2 and its recesses 5 also interacting here with identical holding pieces 7.
- the recess 5 forms together with the retaining piece 7 a receptacle 8 for the connecting portion 6 of the wing 4.
- the screwing of the clamping ring 2 takes place here from the front through the passages 2a, wherein the clamping ring 2 is screwed to the hub 9 of the rotor 1.
- the hub 9 is provided with a hole pattern 2b, which is designed in such a way that all clamping rings 2 in question can be screwed to the hub 9 of the rotor 1, corresponding to the passageways 2a or screwing holes therein is.
- FIG. 9 shows an embodiment of a clamping ring 2 for a total of three wings not shown there, wherein the recesses 5 can be seen for receiving each of the wings.
- FIG. 10 shows the object on FIG. 9 in a view from the rear, namely with an insight into the recess 5.
- FIG. 1 and 12 and 13 and 14 show further embodiments of a clamping ring 2, namely for five and seven wings 4, each in a view from the front and from behind.
- the respective recesses 5 are clearly visible.
- Fig. 15 shows an embodiment of a holding piece 7, as it can be used in all variants of the clamping rings 2, previously shown, to form the receptacle.
- the holding piece 7 is provided in the interior with an opening 10 for insertion of a not shown in FIG. 15 positioning nose of a Indexier Sharings, which serves to define the wing angle.
- Fig. 15 is further indicated that the holding piece 7 is provided on the outside, with ribs 1 1, which serve for self-locking between the retaining piece 7 and the clamping ring 2 in the inserted state.
- ribs 1 1 instead of the ribs 1 1, a kind of snap / catch or similar connection between the retaining piece 7 and the clamping ring 2 act to ensure the aforementioned "self-locking".
- the Indexier Sci 12 serves to define the wing angle and the conveying direction.
- the there recognizable positioning lug 13 of the Indexier Sharings 12 engages in the opening 10 of the retaining piece 7, whereby the angular position of the wing 4 is fixed.
- the positioning lug 13 could also engage in the passage 14 in the clamping ring 2.
- FIG. 16 further shows a provided in the clamping ring 2 passage 14, through which the color of the Indexier proceedingss 12 is visible from the outside.
- the color of the Indexier nowadayss 12 corresponds to the predetermined by the Indexier nowadayss 12 angular position, for example + 4 ° and -4 °.
- FIG. 17 shows an alternative to FIG. 16 for defining the wing angle, in that there the retaining piece 7 is equipped with a positioning nose 13 which predetermines positioning relative to the foot region of the wing 4, ie with respect to the connecting region 6 of the wing 4 ,
- the connecting portion 6 of the wing 4 is provided with a recess 15 into which the positioning lug 13 of the retaining piece 7 engages lockingly, preferably with two different positions for selection.
- FIGS. 18 and 19 show the wing angle of a wing 4 with + 4 ° (FIG. 18) and -4 ° (FIG. 19), in each case in the one conveying direction.
- Figs. 20 and 21 show the blade angle, also at + 4 ° (Fig. 20) and - 4 ° (Fig. 21), respectively in the other conveying direction, i. with reversed arrangement of the Indexier institutions 12th
- FIGS. 22 and 23 show an embodiment of an indexing piece 12 with an integrally formed positioning nose 13 and with a further locking nose 16.
- FIG. 24 shows an exemplary embodiment of a wing 4, wherein this wing can be shaped differently in relation to an aerodynamic design.
- a foot-side connecting portion 6, on the one hand for receiving a Indexier Sharings for the purpose of adjusting the wing angle and on the other hand, a connecting body 17 which on the recess 5 in the clamping ring 2 and on the Interior of the retaining piece 7 is tuned, namely exactly in the formed by the clamping ring 2 and the retaining piece 7 receptacle 8 fits.
- connection area (foot on the wing 4)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201531960T SI3234369T1 (sl) | 2014-12-17 | 2015-12-03 | Aksialni ventilator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014226288.7A DE102014226288A1 (de) | 2014-12-17 | 2014-12-17 | Axialventilator |
PCT/DE2015/200524 WO2016095915A1 (de) | 2014-12-17 | 2015-12-03 | Axialventilator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3234369A1 true EP3234369A1 (de) | 2017-10-25 |
EP3234369B1 EP3234369B1 (de) | 2023-06-28 |
Family
ID=55274943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15831050.8A Active EP3234369B1 (de) | 2014-12-17 | 2015-12-03 | Axialventilator |
Country Status (7)
Country | Link |
---|---|
US (1) | US10975873B2 (de) |
EP (1) | EP3234369B1 (de) |
CN (1) | CN107208648B (de) |
DE (1) | DE102014226288A1 (de) |
ES (1) | ES2956683T3 (de) |
SI (1) | SI3234369T1 (de) |
WO (1) | WO2016095915A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018202487A1 (de) | 2018-02-19 | 2019-08-22 | Ziehl-Abegg Se | Ventilator und Verfahren zur Montage eines Ventilators |
USD980409S1 (en) * | 2019-03-07 | 2023-03-07 | Ziehl-Abegg Se | Fan wheel |
CN112648231B (zh) * | 2020-12-23 | 2022-07-05 | 浙江龙信风机有限公司 | 一种离心轴流风机的扇叶结构 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294175A (en) * | 1965-10-11 | 1966-12-27 | Charles H Bodner | Adjustable impeller |
ES2375003A1 (es) * | 2008-10-22 | 2012-02-24 | SOLER & PALAU VENTILATION GROUP, S.L. | Sistema para el posicionamiento angular de los álabes de un ventilador axial. |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB713855A (en) * | 1951-10-23 | 1954-08-18 | Sturtevant Eng Co Ltd | Improvements in axial flow fans |
US2918977A (en) | 1956-06-25 | 1959-12-29 | Koppers Co Inc | Blade assembly |
US3073395A (en) | 1960-12-12 | 1963-01-15 | Paul K Duncan | Multiple pitch removable blade propeller |
GB1466863A (en) * | 1973-02-22 | 1977-03-09 | Perkins Engines Ltd | Fan |
US4150921A (en) * | 1977-07-28 | 1979-04-24 | Propulsion Systems, Inc. | Built-up marine propellers with adjustable pitch and axially removable blades |
IT1160529B (it) | 1983-03-09 | 1987-03-11 | Cofimco Srl | Mozzo porta-pale per ventilatore assiale |
NL8304378A (nl) * | 1983-12-21 | 1985-07-16 | Vostermans Bv A | Schoepenwiel voor een axiaalventilator. |
SE502207C2 (sv) | 1992-10-14 | 1995-09-18 | Flaekt Ab | Vinkeljusterbar skovelupphängning |
US5520515A (en) * | 1995-05-23 | 1996-05-28 | Bailsco Blades & Casting, Inc. | Variable pitch propeller having locking insert |
US6250886B1 (en) * | 1999-09-03 | 2001-06-26 | Chittom International, Inc. | Axial flow fan and fan blade |
ES1057954Y (es) | 2004-07-05 | 2005-01-16 | Soler & Palau | Ventilador de motor de rotor exterior. |
CN201258873Y (zh) * | 2008-07-23 | 2009-06-17 | 江苏富丽华通用设备有限公司 | 一种叶轮 |
GB201100114D0 (en) * | 2011-01-05 | 2011-02-16 | Cambridge Silicon Radio Ltd | Determing positiion |
CN202091264U (zh) * | 2011-05-24 | 2011-12-28 | 江苏富丽华通用设备有限公司 | 外转子轴流风机叶片的安装结构 |
WO2014117288A1 (zh) * | 2013-01-29 | 2014-08-07 | Chen Yao-Chien | 复合式叶轮及其送风装置 |
US20160319836A1 (en) * | 2013-12-17 | 2016-11-03 | Dacs A/S | Axial flow fan with blades twisted according to a blade pitch ratio that decreases (quasi) linearly with the radial position |
-
2014
- 2014-12-17 DE DE102014226288.7A patent/DE102014226288A1/de active Pending
-
2015
- 2015-12-03 SI SI201531960T patent/SI3234369T1/sl unknown
- 2015-12-03 US US15/537,199 patent/US10975873B2/en active Active
- 2015-12-03 WO PCT/DE2015/200524 patent/WO2016095915A1/de active Application Filing
- 2015-12-03 ES ES15831050T patent/ES2956683T3/es active Active
- 2015-12-03 CN CN201580075083.3A patent/CN107208648B/zh active Active
- 2015-12-03 EP EP15831050.8A patent/EP3234369B1/de active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294175A (en) * | 1965-10-11 | 1966-12-27 | Charles H Bodner | Adjustable impeller |
ES2375003A1 (es) * | 2008-10-22 | 2012-02-24 | SOLER & PALAU VENTILATION GROUP, S.L. | Sistema para el posicionamiento angular de los álabes de un ventilador axial. |
Non-Patent Citations (1)
Title |
---|
See also references of WO2016095915A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20170350402A1 (en) | 2017-12-07 |
SI3234369T1 (sl) | 2023-10-30 |
ES2956683T3 (es) | 2023-12-26 |
US10975873B2 (en) | 2021-04-13 |
CN107208648B (zh) | 2019-07-19 |
WO2016095915A1 (de) | 2016-06-23 |
DE102014226288A1 (de) | 2016-06-23 |
EP3234369B1 (de) | 2023-06-28 |
CN107208648A (zh) | 2017-09-26 |
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