EP2914855A1 - Lüfterradanordnung mit drehend angetriebener nabe - Google Patents
Lüfterradanordnung mit drehend angetriebener nabeInfo
- Publication number
- EP2914855A1 EP2914855A1 EP14726519.3A EP14726519A EP2914855A1 EP 2914855 A1 EP2914855 A1 EP 2914855A1 EP 14726519 A EP14726519 A EP 14726519A EP 2914855 A1 EP2914855 A1 EP 2914855A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- axially
- fan
- angle
- fan blades
- 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
- 238000007664 blowing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000012549 training Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241001465805 Nymphalidae Species 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 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
- F04D19/005—Axial flow fans reversible 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
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
-
- 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
- F04D29/362—Blade mountings adjustable during rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
Definitions
- the invention relates to a fan wheel arrangement with a rotationally driven hub according to the preamble of claim 1.
- a fan wheel arrangement known from US Pat. No. 1 650 776 A has radial to the hub of the fan wheel and rotatably mounted in the hub shell in order to axially counteract its axes of rotation
- Drive is the support neck of one as a linear drive
- This actuator through which the fan blades for adjusting the conveying direction and the flow rate are adjustable in their angle of attack.
- This actuator has a guided in the support neck spindle drive, via which an actuator in the form of a control rod guided in the control rod axially
- axially adjustable annular body On the actuating rod to the hub body rotatably supported, axially adjustable annular body is mounted, which lies in radial overlap with the adjustable in their pitch fan blades and with these over is eccentrically connected to the axes of rotation engaged with supporting elements.
- the invention is based on the object
- Fan arrangement of the type mentioned in terms of design as compact as possible which preferably also allows the realization of different configurations of the fan wheel while maintaining the basic structure.
- Support neck is guided on this supported axially displaceable.
- Support neck is guided on this supported axially displaceable.
- transmitted engaging portion to the actuator can be made offset in diameter, with a correspondingly graduated design of the sleeve-shaped support neck for receiving the preferably formed by a ball bearing bearing connection to the support body.
- the design of the fan wheel assembly according to the invention also offers favorable possibilities for a particular
- Fan blade provided, recorded in the fan hub linear actuator.
- One possibility is the
- the actuator is in such a configuration, in particular in the form of a sleeve-shaped, axially to the free end of the support neck
- linear drive Another possibility of the design of the linear drive is its training as a piston engine, whereby also in this embodiment, a very simple basic structure, which largely corresponds to the ' spindle drive is given.
- a piston drive is expediently a piston as
- the piston as an actuator is suitably absorbed by a in the support neck Piston rod at least axially positionally connected to the actuator, in which case the actuator, analogous to
- Spindle drive can be formed over a sleeve axially displaceable to support neck and rotatably supported sleeve body.
- Such a fan assembly constructed in such a way can be accommodated in given tight spaces between the engine and radiator due to their very compact axial design, preferably the drive connection between
- a drive connection of a separate drive motor leak, spaced from the transmission housing and possibly supported independently supported by this and can be connected via a shaft drive with a rigid or flexible shaft in drive connection to the spindle.
- the shaft preferably extends in
- the drive motor can be placed in a space-saving manner, at least partially even in the radial overlap area for supporting the support neck in a projecting lid region of the hub of the fan wheel, so that a compact overall arrangement is likewise achieved.
- Fan blades to support axially fixed on both sides, preferably each for internal combustion engine, for example, via a
- fan wheels in which an air delivery is provided only in a conveying direction, for example, sucking through the radiator in the direction of the internal combustion engine, and by changing the angle of attack for the
- Fan wheel extend and thus in an area in which there is a reversal of the conveying direction.
- This reversal of the conveying direction means in consideration of the above statements with respect to an arrangement of the fan between the engine and radiator conveying the air in the direction of the radiator, ie in contrast to the above
- the actuator is enlarged by the spindle from the originally given axial end position to spindle or support neck to increase the angle of attack Move along the threaded portion of the spindle until the Umtschlage is reached and, if a reversal of the conveying direction is intended, beyond.
- optionally reduced power actuators may be used in their performance.
- aerodynamic actuating forces be provided, by, under the influence of an adjustment of the
- Fan blades in the sense of increasing the angle of attack causing forces, an adjustment of the fan blades on a relative to the predetermined by the adjusting device angle of attack larger angle is possible.
- Adjustment device predetermined angle of attack of the fan blades to raise to a larger angle of attack on a - in particular elastic - support, for example, in response to rising above the speed of the fan blades acting aerodynamic forces and / or the temperature at
- thermocouple Supported by a thermocouple, so that when sinking these support forces as the angle of attack by the
- Temperature-dependent position adjustable stop limit in particular an expansion element, are supported. -
- Ring body against the housing is resiliently acted upon.
- Fan wheel assemblies with guided on the support neck and the spindle drive axially adjustable actuator and this adjustable in pitch fan blades is not only variable with respect to the arrangement of the drive motor for the spindle, but is relative to fan wheels while maintaining the direction of rotation by adjusting the fan blades reversible
- conveying direction also for fan wheels in which the fan blades on a in the direction of rotation of the Fan wheel lying neutral position in their conveying direction can be switched.
- the rotary drive of the spindle can be done both by an electric as well as a fluidic drive motor.
- Fig. 1 is an end view of a fan according to the
- FIGS. 2 and 3 schematically illustrate that the adjustment of the hub to the fan radial blades around their axes of rotation in Fig. 2 in two directions of adjustment is free of play, while in the 3 is provided for the adjustment of the fan blades in one of the adjustment directions a game according to FIG.
- Fig. 7 is a representation corresponding to FIG. 1 a
- FIG. 8 is a radial view of the fan wheel according to FIG. 7 in FIG.
- Fig. 9 is a representation corresponding to FIG. 1 a
- FIG. 10 is a radial view of the fan wheel according to FIG. 9 in FIG.
- Fig. 11 is a representation corresponding to FIG. 2 corresponding
- Partial view of a fan wheel wherein the actuator for the adjustment of the fan blades is designed as a fluidic, in particular hydraulic linear drive with a piston received in the support neck as a cylinder.
- the fan wheel assembly 1 illustrated in FIGS. 1 to 3 has a fan wheel 2.
- this fan 2 is schematically in Fig. 2 and 3 whose to a
- Internal combustion engine 3 axial arrangement illustrates how they For example - here shown schematically - at a
- Internal combustion engine 3 position-fixed support 6.
- the connection of an external drive source to the hub 7 (drive motor 50) for a rotary drive 9 (FIG. 8) is provided, via which the fan blades 10 of the fan wheel 2 about their hub 7 radial axes of rotation 11 rotatable and thus in their angle of attack 45 (Fig. 8 and 10) are adjustable.
- Actuator 12 here formed as a spindle drive 13 to the hub axle 8 concentric spindle 14, via the one
- the actuator 15 as a support body is non-rotatable to a spindle 14 coaxial and in turn to the support. 6
- gear housing 17 is provided as a drive connection from the rotary drive 9 to the spindle drive 13, a worm gear 19 with a worm gear 20 driven by a worm wheel 21 which is rotationally fixed to the spindle 14.
- the spindle 14 has a guide portion 22 which is rotatably mounted to the support neck 16 and axially fixed in position and which merges via a support collar 16 axially supporting annular collar 23 in a threaded portion 24 of smaller diameter. With this threaded portion 24 is the actuator 15 as a sleeve-shaped support body via a radially inward
- einspringenden threaded collar 25 engages radially over the annular collar 23 and axially to a neck portion 26 of
- Actuator 15 connects, which, as can be seen from the section shown in Fig. 4 according to IV-IV, on the support neck 16 axially displaceable and in particular rotatably guided over a non-circular connection.
- the support neck 16 has in the region of the non-circular connection rectangular cross-section with rounded edges and is of a corresponding inner cross-section
- a ring body 28 is arranged in its threaded sleeve for radially overlying axial region 27 via a bearing 27, which is also axially supported via the bearing 27 to the actuator 15 and thus via the actuator 15, such as
- the annular body 28 and lying in its connection to the spindle drive elements 13 are in the radial coverage area to the fan blades 10, in the peripheral part of the
- Hub housing 29 are rotatably supported at their radial extent about their axes of rotation 11 and which are connected to the in the hub shell 29 axially displaceable and rotatably supported annular body 28 via drive elements.
- These drive elements are based on a respective fan blade 10, which is rotatably supported on its radially inwardly projecting pin 36 and associated bearings 37 in the peripheral region of the hub shell 29, by a rotation axis 11 of the fan blade 10 positionally fixed pinion 30 and one to the annular body 28th position-fixed, circumferential rack portion 31 formed in the direction of displacement of the annular body 28 parallel to Rotary axis 8 of the hub 7 extends and is at the rotational axis 11 of the fan blade 10 radial lateral offset with the respective pinion 30 is engaged.
- the hub housing 29, which is split axially into two halves 32, 33, runs axially relative to the internal combustion engine 3 with reference to the illustrations according to FIGS. 1 to 3
- Gear housing 17 in a cover part 34 which has a to the transmission housing 17 extending neck 35, in the overlap region to the support neck 16 of the support neck 16 to the neck 35 of the cover member 34 is axially and radially supported by a bearing 38, whereby a supporting support of Fan wheel 2 between the internal combustion engine 3 and the axially opposite support 6 in the region of the transmission housing 17 is reached.
- Fan wheel 2 illustrates its pivotable about radial axes of rotation 11 fan blades 10 for reversing the conveying direction via a plane perpendicular to the orbital plane 39 of the fan 2
- Pivoting direction of the arrow 41 about their axes of rotation 11 results a suction direction opposite to the conveying direction conveying direction, wherein the conveyed air now against the
- Cooler is promoted, so the cooler is blown away by deposits - blowing operation.
- a different in the direction of rotation of the fan blades about their respective axis of rotation different loading by aerodynamic forces can also be achieved in that the fan blades with respect to their wing plane radially to the respective
- Wing axis of rotation are arranged offset.
- Fig. 2 illustrates, in contrast, a solution in which an axially fixed position connection of the actuator 15 for
- Ring body 28 is given so that a forced coupling between actuator, actuator 15 and ring body 28 is realized.
- a corresponding engagement groove 44 is provided in the solution according to FIG. 3 with an axial distance to the bearing 27, whereby the desired in the solution according to FIG. 3 axial
- Fan blades 10 on the ring body 28 the same, or at least substantially the same structure, fan wheels 10 according to FIGS. 7 and 8 or fan wheels 10 according to FIGS. 9 and 10 too
- the pinions 30 are to the pin 36 of the
- FIGS. 8 and 10 Displacement direction of the annular body 28 and are arranged circumferentially fixed to the ring body 28 ⁇ .
- FIGS. 8 and 10 are arranged circumferentially fixed to the ring body 28 ⁇ .
- Ring body 28 in view of the staggered arrangement
- Attachment of the rack section 31 constructive is formed, so for example by corresponding plug-in receptacles for a respective rack portion 31st
- Ring body 28 can also be used to superimpose to
- Temperature-dependent actuator 46 can
- thermo-axis element may be provided which is circumferentially to the
- Hub housing 29 lying and supported a respective
- a drive motor 50 in the form of an electric motor - is also possible a hydraulic motor - is provided.
- Fig. 8 also illustrates that around the neck 35 of the cover part 34 of the hub shell 29 in such a solution an annular space remains as a free space 51, which would be suitable for the placement of a drive motor 50, so that going beyond the solution shown also Further drive concepts are possible with a total flat construction of the fan wheel assembly.
- the clearance 51 is ⁇
- FIG. 11 largely corresponds to that according to FIG. 2, so that with respect to the previous ones
- FIG. 2 Notwithstanding the representation of FIG. 2 is the -
- Actuator 12 again as a linear drive, but now designed in the form of a piston drive 52 and in consultation thereon, the support neck 53 for receiving the piston 54 of the
- Piston engine 52 provided with a cylinder chamber 55.
- the piston 54 passes into a piston rod 56 which passes through the cylinder chamber 55 and from the cylinder chamber 55 by a
- Guide bore 57 of the support neck 53 terminates in an end portion 58 which axially in overlap to a collar 59 of the
- Actuator 15 is located and connected to this at least axially, but preferably axially and radially fixed position, for example, which is not shown here, by a corresponding
- Pressure source 61 in the form of a pump or storage arrangement, in its place also a connection to already existing
- Pressure sources can be done. Via the pressure source 61, a valve arrangement 62 is acted upon, from which via the
- the valve assembly 62 operates in terms of a finely tuned as possible pressurization of the
- Zylinderraumanteiles 64 preferably clocked in a known manner, wherein the control of the valve assembly 62, and
- control of the pressure source 61 via a control line 66 from the control unit 65, which in
- valve assembly 62 responds. ' '
- a sensor arrangement 67 for example in the form of a Hall sensor, indicated, which communicates with the control unit 65 via a control line 68 in connection, wherein in the control unit 65, a corresponding processing of said parameters, optionally in conjunction with other parameters, via a control line 69, for example, from a
- control unit 65 a direct control of the valve arrangement 62 can also take place via an engine control unit, not shown here.
- the angle of the wing is known for example from the German patent application 10 2011 101 494, which is based on the applicant, and also other publications. In the context of the invention, it is also the hydraulic
- a proportionally operating valve arrangement 62 in particular a proportional valve.
- a merely one-sided pressurization of the piston 54 is shown, in conjunction with a schematically indicated spring support in the opposite direction via a spring 70 shown.
- a two-sided pressurization and thus the opposite adjustment of the piston 54, as indicated by the arrow 60, can be realized in a corresponding manner.
- Fan blades 10 - are resiliently supported against the direction of pivoting in the conveying direction given suction end position in the region of the starting position by acting on the annular body 28.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013008902.6A DE102013008902B3 (de) | 2013-05-27 | 2013-05-27 | Lüfterradanordnung mit drehend angetriebener Nabe |
PCT/EP2014/001340 WO2014191087A1 (de) | 2013-05-27 | 2014-05-19 | Lüfterradanordnung mit drehend angetriebener nabe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2914855A1 true EP2914855A1 (de) | 2015-09-09 |
EP2914855B1 EP2914855B1 (de) | 2016-11-09 |
Family
ID=50828860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14726519.3A Active EP2914855B1 (de) | 2013-05-27 | 2014-05-19 | Lüfterradanordnung mit drehend angetriebener nabe |
Country Status (4)
Country | Link |
---|---|
US (1) | US10371155B2 (de) |
EP (1) | EP2914855B1 (de) |
DE (1) | DE102013008902B3 (de) |
WO (1) | WO2014191087A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105971712A (zh) * | 2016-07-06 | 2016-09-28 | 龙口中宇机械有限公司 | 一种可变角度风扇 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015002621B3 (de) * | 2015-02-27 | 2016-04-14 | Hägele GmbH | Lüfterrad mit einem mit einer Antriebsquelle drehfest zu verbindenden Nabengehäuse |
CN107165861B (zh) * | 2017-07-20 | 2019-04-26 | 中山市扇王电器有限公司 | 一种展翅扇 |
DE102018114534B4 (de) * | 2018-06-18 | 2020-10-08 | Ie Assets Gmbh & Co. Kg | In nur einer Drehrichtung angetriebenes Lüfterrad |
CN110131208B (zh) * | 2019-05-23 | 2021-05-04 | 中国航空发动机研究院 | 基于液压驱动的可变直径和安装角的风扇转子 |
US11208905B2 (en) * | 2019-05-24 | 2021-12-28 | Johnson Controls Technology Company | Fan assembly for an HVAC system |
DE102022211937B3 (de) | 2022-11-10 | 2024-01-04 | Ie Assets Gmbh & Co. Kg | Lüfterflügel mit Drehlagerung und Lüfterrad |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1650776A (en) * | 1927-11-29 | stock | ||
CA1328433C (en) * | 1988-10-03 | 1994-04-12 | Clarence Isert | Variable pitch fan with fan cranks and axle housed shifting means |
US6439850B1 (en) * | 1998-07-15 | 2002-08-27 | Flexxaire Manufacturing Inc. | Variable pitch fan |
CA2483109C (en) * | 2003-10-20 | 2012-05-01 | Flexxaire Manufacturing Inc. | Control system for variable pitch fan |
DE202009008726U1 (de) * | 2009-06-25 | 2009-11-05 | React - Engineering And Consulting - Ingenieure Rieck & Partner | Lüftersystem, insbesondere zur Verwendung in einem Kühlsystem einer Brennkraftmaschine |
-
2013
- 2013-05-27 DE DE102013008902.6A patent/DE102013008902B3/de not_active Expired - Fee Related
-
2014
- 2014-05-19 US US14/894,217 patent/US10371155B2/en active Active
- 2014-05-19 EP EP14726519.3A patent/EP2914855B1/de active Active
- 2014-05-19 WO PCT/EP2014/001340 patent/WO2014191087A1/de active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105971712A (zh) * | 2016-07-06 | 2016-09-28 | 龙口中宇机械有限公司 | 一种可变角度风扇 |
Also Published As
Publication number | Publication date |
---|---|
DE102013008902B3 (de) | 2014-08-28 |
US20160290341A1 (en) | 2016-10-06 |
WO2014191087A1 (de) | 2014-12-04 |
EP2914855B1 (de) | 2016-11-09 |
US10371155B2 (en) | 2019-08-06 |
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