EP1926916B1 - Entfernbares flügelrad für einen ventilator - Google Patents

Entfernbares flügelrad für einen ventilator Download PDF

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Publication number
EP1926916B1
EP1926916B1 EP06808188.4A EP06808188A EP1926916B1 EP 1926916 B1 EP1926916 B1 EP 1926916B1 EP 06808188 A EP06808188 A EP 06808188A EP 1926916 B1 EP1926916 B1 EP 1926916B1
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EP
European Patent Office
Prior art keywords
turbine
stop
hub
longitudinal
fan
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
EP06808188.4A
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English (en)
French (fr)
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EP1926916A1 (de
Inventor
Olivier Burias
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.)
Aereco
Original Assignee
Aereco
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Filing date
Publication date
Application filed by Aereco filed Critical Aereco
Priority to PL06808188T priority Critical patent/PL1926916T3/pl
Publication of EP1926916A1 publication Critical patent/EP1926916A1/de
Application granted granted Critical
Publication of EP1926916B1 publication Critical patent/EP1926916B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts

Definitions

  • the present invention relates to a removable turbine intended to be integrated in a fan, in particular for controlled mechanical ventilation, and produced in the form of a wheel provided with a plurality of blades and equipped with locking means to allow its fixing. on a hub, as well as a hub and a locking bolt intended to cooperate with said turbine.
  • a first known solution to overcome this problem consists in permanently fixing the turbine to the associated motor, and having a filter upstream of the fan.
  • this filter creates a pressure drop unfavorable to the performance of the system, is bulky, is of considerable cost, and it is necessary to change or clean it regularly.
  • a second known solution consists in the use of a removable turbine, capable of being cleaned once, disassembled.
  • Systems equipped with such a turbine provide that the latter is fixed by screwing on an axis. This step is nevertheless relatively delicate to implement, especially in the case of controlled mechanical ventilation since the occupant of the accommodation proceeds himself to disassembly and cleaning.
  • the invention aims to remedy these drawbacks and for this consists of a removable turbine according to claim 1.
  • the first stop is provided in the upper part, and the second stop is produced in the form of a longitudinal boss, extending in the middle part, and extended by an inclined face at each of its upper and lower ends.
  • each hollow wall undergoes elastic deformation so that the lower part of its outline is caused to slide successively along the lower inclined face, of the boss, and finally of the upper inclined face of the second stop.
  • the hollow wall then returns to its rest position in the interval separating the first stop from the second stop, and the lower part of the contour finally comes into contact with the first stop.
  • the flat walls of the lock are no longer positioned opposite the locking clips, and the latter can be extracted from the notches presented by the hub if the manipulator continues to exert sufficient traction on the gripping member.
  • the turbine and its lock are then detached from the hub, and it is possible to clean the blades of the turbine. This disassembly is therefore done in a single movement broken down into two stages, simply, quickly and without tools.
  • each flat wall of the bolt slides along the associated blocking clip, until the lower end of its outline abuts against the radial shoulder of the blocking clip. This then has the effect of elastically deforming the locking clip outwards so that its radial bead is suitably housed in the corresponding notch.
  • This blocking is therefore also done in a simple, fast and tool-free manner.
  • the turbine comprises, at the periphery of the central neck, a central wall on which are formed longitudinal ribs regularly spaced and oriented inward.
  • the side wall of the hub is advantageously fitted on its outer face with V-shaped indexing means.
  • the upper inclined face is designed so that the minimum stresses to be exerted by the longitudinal ribs of the turbine on the V-shaped indexing means to force the hub to pivot up to that he either perfectly oriented are less than those necessary to cause the elastic deformation of each hollow wall due to the sliding of the lower part of its outline along said corresponding upper inclined face.
  • the continuation of the thrust exerted by the manipulator on the gripping member then has the effect of forcing the lock to slide through the central neck, until that it comes to block the locking clips in the associated notches via its flat walls.
  • the turbine, the bolt and the hub are advantageously made using molded plastic parts.
  • the locking means are constituted by at least two magnets
  • the transmission means are constituted by at least two rods each comprising a first substantially cylindrical end having a longitudinal edge forming a stop, and connected by a rod to a second projecting end parallel to the axis of the first end.
  • the present invention also relates to a closing lock designed so as to cooperate with a turbine according to the second preferred embodiment of the invention.
  • This lock advantageously comprises a gripping member extended by a longitudinal rod in which is formed a circular groove.
  • each link is housed in the circular groove of the lock so that the translation of the latter forces the first end of the link to rotate.
  • a fan 1 according to the invention is intended for controlled mechanical ventilation and includes a box 2, the closure cover of which has been omitted, and in which a volute 3 is fixed.
  • the box 2 has four air intake connections 4, and each of them is connected to a room in the housing to be ventilated by means of an air duct (not shown).
  • the volute 3 is made of plastic, and conventionally comprises an air inlet 5 and an air outlet 6, the air inlet 5 being bordered by a removable opening 60 fixed with clips (not shown).
  • the volute 3 contains a turbine 7, according to the first preferred embodiment of the invention, designed to create a vacuum in the box 1 so as to suck the stale air coming from the air intake fittings 4.
  • This turbine 7 is molded in plastic in the form of a wheel fitted with a plurality of blades 8, and comprises a central cylindrical wall 9 of revolution surrounding a central neck 10 whose vertical axis of revolution merges with that of the wheel .
  • Each locking clip 11 regularly spaced from one another are provided in the central neck 10 of the turbine 7.
  • Each locking clip 11 has in the lower part, on the one hand, a radial bead 12 oriented towards the 'outside, and secondly, a shoulder 13 facing inward radially.
  • Each transmission clip 14 is equipped with a first stop 15 and a second stop 16 oriented inwards and arranged at a certain distance one below the other, said first stop 15 forming a more pronounced projection that the second stop 16.
  • the first stop 15 is formed in the upper part of the central neck 10
  • the second stop 16 is produced in the form of a vertical boss 17, extending in the middle part of the central neck 10, and extended by an inclined face 18, 19 at each of its upper and lower ends, the inclined end 18 being more inclined than the lower inclined face 19.
  • a locking latch 21 able to cooperate with the turbine 7 is molded in plastic and is broken down into a gripping member 22 of discoid shape extended by four planar walls 24 longitudinal oriented outwards and interspersed with four walls longitudinal hollow 25, said flat walls 24 and hollow walls 25 being regularly spaced from each other and of the same length.
  • the flat walls 24 are in fact connected together by plastic material so as to constitute a rigid sub-assembly in the form of a cross in cross section, which makes it possible to avoid any radial deformation of the flat walls 24.
  • this lock 21 is designed so that, on the one hand, the distance separating two planar walls or two diametrically opposed hollow walls is very slightly less than that separating two diametrically opposite clips from the turbine 7, and on the other hand, the length of said flat walls 24 and hollow walls 25 is sufficient to act respectively on the beads 12 and the shoulders 13 presented by the locking clips 11 and the transmission clips 14 of the turbine 7 when inserting the lock 21.
  • a hub 26 able to cooperate with the turbine 7 is molded in plastic, and comprises a side wall in which were formed four notches 27 regularly spaced from each other and wide enough to each accommodate one of the clips blocking 11 of the turbine 7.
  • this side wall is equipped on its outer face with four V-shaped indexing means 28, regularly spaced from one another.
  • the hub 26 is made integral with a rotary motor 29 fixed in the volute 3 (not shown).
  • this lock 21 can then only translate between two extreme positions, namely, on the one hand, as shown in the figure 11 , an open position in which the lower part 30 of the outline of each hollow wall 25 is kept blocked between the first stop 15 and the upper inclined face 18 of the second stop 16 of the associated transmission clip 14, and on the other hand , as shown in figure 9 , a closed position in which the lower part 30 of the outline of each hollow wall 25 is kept blocked by the inclined pan 19 lower of the second stop 16 of the associated transmission clip 14.
  • each hollow wall 25 returns to its rest position when the lower part 30 opens into the space separating the second stop 16 from the first stop 15. The lower part 30 then comes into contact with the latter which has been designed projecting enough to constitute a stopper.
  • each locking clip 11 The continuation of the pulling movement forces the bead 12 of each locking clip 11 to abut against the upper edge of the corresponding notch 27.
  • the flat wall 25 associated with each locking clip 11 is no longer there to act as a radial stop, it follows that each locking clip 11 undergoes radial elastic deformation oriented inward.
  • Each bead 12 is finally extracted from its corresponding notch 27 under the effect of the traction, and the sub-assembly formed by the turbine 7 and the latch 21 is detached from the fan 1.
  • the user who has carried out a quick, simple and tool-free disassembly of the turbine 7, can then clean the blades 8 of the latter.
  • the user brings back the subassembly formed by the turbine 7 and the latch 21 on the associated hub 26, and exerts a sufficient vertical thrust on the gripping member 22.
  • This vertical thrust is passed on to the upper inclined face 18 of each second stop 16 by the lower part 30 of the outline of the corresponding hollow wall 25 of the lock 21, and makes it possible to automatically center the turbine 7 on the hub 26.
  • each flat wall 24 slides along the associated locking clip 11, until the lower end of its outline abuts against the radial shoulder 13 of said locking clip 11. This then has the effect of elastically deforming the locking clip 11 outwards so that its radial bead 12 is suitably housed in the corresponding notch 27 of the hub 26.
  • This locking is therefore also done in a simple, quick and tool-free manner.
  • a turbine 107 has been shown without its blades and according to the second preferred embodiment, as well as the locking latch 121 and the associated hub 126.
  • the turbine 107 has a central neck 110 and differs mainly from the turbine 7 by the fact that it has two protrusions 130 in the lower part, arranged opposite one another on either side of the central neck 110 , each equipped with a magnet 111 constituting a locking means, and each provided with a longitudinal rib 120 oriented towards the outside.
  • each link 114 has a first substantially cylindrical end 131, having a longitudinal edge 132 forming a stop, and is connected by a rod 133 to a second end 134 projecting parallel to the axis 135 of said first end 131.
  • Each link 114 is then made integral with the turbine 107 by virtue of the axis 135 which is housed in two bores 137, formed in the protrusions 130 and located opposite one another.
  • the latch 121 includes a gripping member 122 of discoid shape extended by a rod 138 in which is formed a circular groove 139 near its lower end.
  • the hub 126 is made integral with a rotary motor 129, and is produced in the form of a metal disc 140 having a hollow circular central part 141 in which are formed two notches 142 each intended to accommodate one of the ribs 120.
  • Factory assembly of the turbine 107 and the lock 121 in the hub 126 is carried out as follows.
  • the second end 134 protruding from each link 114 is inserted into the groove 139 of the axis 140 of the lock 121 so that the lock 121 can only translate between two extreme positions, namely a closed position (not shown) and an open position shown in the figures 16 and 17 .
  • each link 114 pivots about its axis 135 in a direction forcing the edge 132 to move away from the bottom of the disc 140.
  • Each link 114 thus constitutes a transmission means allowing the magnets 111 to come into contact with the bottom of the disc 140.
  • Each link 114 When the user wishes to clean the turbine 107, he takes hold of the gripping member 122 and exerts traction on it. Each link 114 is then driven in a rotation movement in the opposite direction. The edge 132 therefore comes into abutment against the bottom of the disc 140, which has the effect of multiplying the action of the traction exerted on the gripping member 122, and greatly facilitates the detachment of the magnets 111 from the bottom of the disc 140. Each link 114 thus constitutes a transmission means allowing the extraction of the locking means connecting the turbine 107 to the hub 126.

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

Claims (12)

  1. Entfernbares Laufrad (7; 107), das dazu bestimmt ist, in einen Ventilator (1), insbesondere zur kontrollierten Wohnraumventilation integriert zu werden, und in Form eines Rades ausgeführt, das mit einer Vielzahl von Schaufeln (8) versehen, und mit Sperrmitteln (11; 111) ausgestattet ist, um dessen Befestigung an einer Nabe (26; 126) zu ermöglichen, dadurch gekennzeichnet, dass es überstehende Übertragungsmittel (14; 114) umfasst, die in der Nähe eines zentralen Kragens (10; 110) positioniert sind, dessen Drehachse parallel zu jener des Rades ist, und derart gestaltet, um abwechselnd das Einführen oder Extrahieren der Sperrmittel zu ermöglichen, und dadurch, dass
    entweder die Sperrmittel in dem zentralen Kragen in Form einer ersten Reihe von Sperrclips (11), die regelmäßig voneinander beabstandet, und jeweils im unteren Teil mit einem radialen, nach außen gerichteten Wulst (12) versehen sind, und die Übertragungsmittel in dem zentralen Kragen (10) in Form einer zweiten Reihe von Übertragungsclips (14) vorhanden sind, die regelmäßig voneinander beabstandet sind, und mit den Sperrclips (11) zwischengeschoben sind, wobei jeder Übertragungsclip mit einem ersten Anschlag (15) und mit einem zweiten Anschlag (16) ausgestattet ist, die untereinander positioniert sind, und nach innen gerichtet sind, wobei der erste Anschlag einen ausgeprägteren Überstand bildet, als der zweite Anschlag,
    oder die Sperrmittel durch mindestens zwei Magneten (111) konstituiert sind, und die Übertragungsmittel durch mindestens zwei Schaltgestänge (114) gebildet werden, die jeweils ein erstes, im Wesentlichen zylindrisches Ende (131) beinhalten, das einen Längsgrat (132) aufweist, der einen Anschlag bildet, und durch eine Stange (133) mit einem zweiten überstehenden Ende (134) parallel zu der Achse des ersten Endes verbunden ist.
  2. Laufrad (7) nach Anspruch 1, dadurch gekennzeichnet, dass jeder Sperrclip (11) im unteren Teil einen radialen, nach innen gerichteten Ansatz (13) besitzt.
  3. Laufrad (7) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der erste Anschlag (15) im oberen Teil vorhanden ist, und dadurch, dass der zweite Anschlag (16) in Form eines länglichen Buckels (17) ausgeführt ist, der sich im mittleren Teil erstreckt, und durch eine geneigte Ebene (18, 19) an jedem seines oberen und unteren Endes verlängert wird.
  4. Laufrad (7) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass es an der Peripherie des zentralen Kragens (10) eine zentrale Wand (9) umfasst, auf der regelmäßig beabstandete und nach innen gerichtete längliche Rippen (20) vorhanden sind.
  5. Baugruppe, das Laufrad nach einem der Ansprüche 1 bis 4 und einen beigebrachten Verschlussriegel (21; 121) auf dem Laufrad (7; 107) nach einem der Ansprüche 1 bis 4 beinhaltend, dadurch gekennzeichnet, dass sie ein Greiforgan (22; 122) und Mittel (24, 25; 138) umfasst, die imstande sind, durch den zentralen Kragen (10; 110) des Laufrades hindurch zu gleiten.
  6. Baugruppe nach Anspruch 5, dadurch gekennzeichnet, dass das Greiforgan (22) durch eine Reihe länglicher ebener Wände (24) verlängert ist, die mit einer Reihe länglicher Hohlwände (25) zwischengeschoben sind, wobei die ebenen Wände und Hohlwände regelmäßig voneinander beabstandet sind.
  7. Baugruppe nach Anspruch 5, dadurch gekennzeichnet, dass das Greiforgan (122) durch eine längliche Stange (138) verlängert ist, in der eine kreisförmige Nut (139) vorhanden ist.
  8. Baugruppe, eine Nabe (26) und ein Laufrad (7) nach einem der Ansprüche 1 bis 4 beinhaltend, dadurch gekennzeichnet, dass die Nabe eine laterale Wand umfasst, in der eine Reihe von Einkerbungen (27) vorhanden sind, wobei jede unter ihnen imstande ist, eines der Sperrmittel (11) des Laufrades aufzunehmen.
  9. Baugruppe, eine Nabe (26) nach Anspruch 8 beinhaltend, dadurch gekennzeichnet, dass die laterale Wand an ihrer Außenseite mit Indexiermitteln (28) in Form eines V ausgestattet ist.
  10. Ventilator (1), insbesondere zur kontrollierten Wohnraumventilation, ein Laufrad nach einem der Ansprüche 1 bis 4 umfassend.
  11. Ventilator (1), insbesondere zur kontrollierten Wohnraumventilation, eine Baugruppe nach einem der Ansprüche 5 bis 7 umfassend.
  12. Ventilator nach Anspruch 11, weiter eine Baugruppe nach einem der Ansprüche 8 bis 9 beinhaltend.
EP06808188.4A 2005-09-22 2006-09-22 Entfernbares flügelrad für einen ventilator Active EP1926916B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06808188T PL1926916T3 (pl) 2005-09-22 2006-09-22 Wyjmowana turbina do wentylatora

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0509674A FR2891027B1 (fr) 2005-09-22 2005-09-22 Turbine amovible pour ventilateur
PCT/FR2006/002170 WO2007034086A1 (fr) 2005-09-22 2006-09-22 Turbine amovible pour ventilateur

Publications (2)

Publication Number Publication Date
EP1926916A1 EP1926916A1 (de) 2008-06-04
EP1926916B1 true EP1926916B1 (de) 2020-05-06

Family

ID=36636485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06808188.4A Active EP1926916B1 (de) 2005-09-22 2006-09-22 Entfernbares flügelrad für einen ventilator

Country Status (8)

Country Link
US (1) US8292577B2 (de)
EP (1) EP1926916B1 (de)
JP (1) JP2009509090A (de)
CN (1) CN101268285A (de)
FR (1) FR2891027B1 (de)
HU (1) HUE050268T2 (de)
PL (1) PL1926916T3 (de)
WO (1) WO2007034086A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2891027B1 (fr) * 2005-09-22 2008-01-11 Aereco Sa Turbine amovible pour ventilateur
US20110274568A1 (en) * 2010-05-10 2011-11-10 New Widetech Industries Co., Ltd. Blower for a dehumidifier
WO2011158471A1 (ja) * 2010-06-14 2011-12-22 パナソニック株式会社 ファンモータ、このファンモータを用いた車載用空調装置およびファンモータの組立方法
USD667104S1 (en) * 2010-06-15 2012-09-11 Sharp Kabushiki Kaisha Cross-flow fan
USD667103S1 (en) * 2010-10-01 2012-09-11 Sharp Kabushiki Kaisha Cross-flow fan
CN109050882B (zh) * 2014-11-10 2020-10-30 深圳市大疆创新科技有限公司 驱动装置、螺旋桨及动力系统
CN105134631A (zh) * 2015-09-02 2015-12-09 广东美的环境电器制造有限公司 风扇头部、立式及壁挂式风扇、家用电器和吹风方法
US11118597B2 (en) * 2017-07-31 2021-09-14 Mitsubishi Electric Corporation Fan and indoor unit of air-conditioning apparatus provided with fan

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US20020090299A1 (en) * 2001-01-08 2002-07-11 Wen-Hao Chuang Heat dissipating fan

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JPS5553859Y2 (de) * 1977-12-20 1980-12-13
FR2420687A1 (fr) * 1978-03-23 1979-10-19 Ferodo Sa Dispositif de fixation d'une piece a moyeu en matiere plastique sur un arbre
JPS6231798U (de) * 1985-08-13 1987-02-25
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EP1008760B1 (de) * 1998-12-10 2003-09-17 Carrier Corporation Aufbau einer Antriebswellenkupplung für einen Querstromlüfter
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FR2816380A1 (fr) * 2000-11-08 2002-05-10 Faurecia Ind Ventilateur pour vehicule automobile et vehicule automobile correspondant
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DE202004010088U1 (de) * 2004-06-25 2004-09-09 Ebm-Papst Mulfingen Gmbh & Co. Kg Laufrad, insbesondere für einen Axialventilator
FR2891027B1 (fr) * 2005-09-22 2008-01-11 Aereco Sa Turbine amovible pour ventilateur

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Also Published As

Publication number Publication date
CN101268285A (zh) 2008-09-17
HUE050268T2 (hu) 2020-11-30
US20080226447A1 (en) 2008-09-18
JP2009509090A (ja) 2009-03-05
PL1926916T3 (pl) 2021-04-06
FR2891027B1 (fr) 2008-01-11
EP1926916A1 (de) 2008-06-04
US8292577B2 (en) 2012-10-23
FR2891027A1 (fr) 2007-03-23
WO2007034086A1 (fr) 2007-03-29

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