EP1926916A1 - Turbine amovible pour ventilateur - Google Patents
Turbine amovible pour ventilateurInfo
- Publication number
- EP1926916A1 EP1926916A1 EP06808188A EP06808188A EP1926916A1 EP 1926916 A1 EP1926916 A1 EP 1926916A1 EP 06808188 A EP06808188 A EP 06808188A EP 06808188 A EP06808188 A EP 06808188A EP 1926916 A1 EP1926916 A1 EP 1926916A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- turbine
- stop
- hub
- locking
- series
- 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
- 238000005399 mechanical ventilation Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 26
- 239000011324 bead Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000005570 vertical transmission 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
- 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 made in the form of a wheel provided with a plurality of blades and equipped with locking means to enable it to be fixed. on a hub, and a hub and a latch for cooperating with said turbine.
- 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 difficult to implement, especially in the case of controlled mechanical ventilation since the occupant of the housing itself dismantles and cleans.
- the object of the invention is to remedy these drawbacks and for this purpose consists in 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 attachment to a hub, characterized in that it comprises projecting transmission means, positioned near a central neck whose axis of revolution is parallel to that of the wheel, and designed to alternately allow engagement or extraction of the blocking means.
- the locking means are formed in the central neck in the form of a first series of locking clips regularly spaced from each other and each provided at the bottom of a bead radial outward.
- each locking clip preferably has a lower radial shoulder oriented inwards.
- the transmission means are formed in the central neck in the form of a second series of transmission clips regularly spaced from each other and interposed with the locking clips, each transmission clip being equipped with a first stop and a second abutment positioned one below the other and facing inwards, said first abutment forming a protrusion more pronounced than the second abutment.
- the first stop is formed in the upper part, and the second stop is made in the form of a longitudinal boss, extending in the middle portion, and extended by an inclined pan at each of its upper and lower ends.
- the present invention also relates to a hub and a closing latch designed so as to cooperate with such a turbine.
- the hub preferably comprises a side wall in which is formed a series of notches, each of them being able to accommodate one of the turbine blocking means, and the closing lock comprises a gripping member and suitable means to slide through the central neck of the turbine.
- the gripping member is extended by a series of longitudinal plane walls intercalated with a series of longitudinal hollow walls, said flat walls and hollow walls being regularly spaced from each other and being able to slide through the central collar of the turbine.
- each hollow wall undergoes an elastic deformation so that the lower part of its outline is caused to slide successively along the lower inclined pan, the boss, and finally the upper inclined pan of the second stop.
- the hollow wall then returns to its rest position in the interval between the first stop of the second stop, and the lower portion of the contour finally comes into contact with the first stop.
- the flat walls of the lock are no longer positioned in front of the locking clips, and these 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 disengaged from the hub, and it is possible to clean the blades of the turbine. This disassembly is done in one movement decomposed in two steps, simply, quickly and without tools.
- the manipulator seizes the latch gripper and correctly positions the turbine on its hub. It suffices then to exert sufficient thrust on the gripping member to force the lower part of the contour of each hollow wall to slide successively along the upper inclined face, the boss, and finally the lower inclined face. In doing so, each flat wall of the lock slides along the associated locking clip, until the lower end of its contour comes into abutment against the radial shoulder of the locking clip. This then has the effect of elastically deforming the locking clip outwardly so that its radial bead is properly housed in the corresponding notch. This blocking is therefore also simple .simple, fast and without tools.
- the turbine comprises, at the periphery of the central neck, a central wall on which are formed longitudinal ribs regularly spaced and oriented inwardly.
- the side wall of the hub is advantageously equipped on its outer face with V-shaped indexing means.
- the upper inclined pan 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 rotate until to what he are 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 contour along said corresponding upper inclined pan.
- the continuation of the thrust exerted by the manipulator on the gripping member then has the effect of forcing the latch to slide through the central neck, up to it comes to block the locking clips in the notches associated through its flat walls. Once the blocking of the turbine is ensured, the rotation of the turbine by the hub is then performed through the longitudinal ribs.
- the locking means consist of at least two magnets
- the transmission means consist of at least two links each comprising a first substantially cylindrical end having a longitudinal edge forming a stop, and connected by a rod to a second end projecting parallel to the axis of the first end.
- the present invention also relates to a closing latch designed 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.
- the present invention also relates to a ventilator, in particular for controlled mechanical ventilation, comprising a body forming a volute in which is fixed a rotary motor, a hub being secured to said motor and supporting a removable turbine provided with a central neck, a plurality of blades and equipped with locking means to allow its attachment to the hub, characterized in that - the locking means are formed in the central neck in the form of a first series of locking clips regularly spaced from each other and each provided at the bottom, on the one hand, with a radial bead directed towards the outside, and on the other hand, an inwardly directed radial shoulder, the turbine comprises transmission means arranged in the central neck in the form of a second series of regularly spaced clips.
- each transmission clip being provided with a first abutment and a second abutment positioned one below the other and facing inwards, said first stop forming a protrusion more pronounced than the second stop, said first stop being formed in the upper part and said second stop being made in the form of a longitudinal boss, extending in the middle part, extended respectively by a steeply inclined pan; at its upper end and a slightly inclined pan at its lower end,
- the hub comprises a side wall in which is formed a series of notches, each of them being adapted to accommodate one of the locking clips of the turbine,
- a closing lock is attached to the turbine, the latch comprising a gripping member extended by a series of longitudinal plane walls interposed with a series of longitudinal hollow walls, said flat walls and hollow walls being regularly spaced from each other and being slidable through the central neck so as to each respectively disposed opposite a locking clip and a transmission clip.
- Figure 1 is a perspective view of a fan according to the invention, with omission of the closure cap;
- Figure 2 is a perspective view from above of a turbine according to the first preferred embodiment of the invention;
- Figure 3 is a perspective view from below of the turbine shown in Figure 2;
- Figure 4 is a perspective view of a locking latch according to the invention adapted to cooperate with the turbine shown in Figure 2;
- Figure 5 is a perspective view of a hub according to the invention adapted to cooperate with the turbine shown in Figure 2;
- Figure 6 is a perspective view of the turbine shown in Figure 2 with its lock, before fixing on its corresponding hub;
- Figure 7 is a top view of the turbine shown in Figure 6, once fixed on its hub;
- Figure 8 is a sectional view along the line A-A of the assembly shown in Figure 7, the latch being in the closed position;
- Figure 9 is a sectional view along the line B-B of the assembly shown in Figure 7, the latch being in the closed position;
- Figure 10 is a sectional view along the line A-A of the assembly shown in Figure 7, the latch being in the open position;
- Figure 1 1 is a sectional view along the line B-B of the assembly shown in Figure 7, the latch being in the open position;
- Figure 12 is a perspective view of a turbine according to the second preferred embodiment, with omission of the rods;
- Figure 13 is a perspective view of a link
- Figure 14 is a perspective view of a lock according to the invention adapted to cooperate with the turbine shown in Figure 12;
- Figure 15 is a perspective view of a hub according to the invention adapted to cooperate with the turbine shown in Figure 12;
- Figure 16 is a perspective view of a turbine half shown in Figure 12, cut longitudinally at the rods, before fixing on its corresponding hub;
- Figure 17 is a perspective view of another turbine half shown in Figure 12, cut longitudinally at the magnets, before fixing on its corresponding hub.
- a fan 1 according to the invention is intended for controlled mechanical ventilation and comprises a box 2 whose closing cap has been omitted, and in which is fixed a volute
- the casing 2 has four air intake connectors 4, and each of them is connected to a part of the housing to be ventilated via an air duct (not shown).
- the volute 3 is made of plastic material, and conventionally comprises an air inlet 5 and an air outlet 6, the air inlet 5 being bordered by a removable inlet 60 fixed with clips (not shown). As shown more specifically in FIGS. 1 to 3, the volute 3 contains a turbine 7, according to the first preferred embodiment of the invention, designed to create a depression in the casing 1 so as to suck stale air from the connections. air intake 4.
- This turbine 7 is molded in plastic in the form of a wheel equipped with a plurality of blades 8, and comprises a cylindrical central wall 9 of revolution surrounding a central neck 10 whose vertical axis of revolution coincides with that of the wheel.
- Each locking clip January 1 has in the lower part, on the one hand, a radial bead 12 oriented outwardly, and secondly, a shoulder 1.3 radially oriented inwards.
- Each transmission clip 14 is equipped with a first stop
- the first stop 15 is formed in the upper part of the central neck 10
- the second stop 16 is formed in the form of a vertical boss 17, extending in the middle portion of the central neck 10, and extended by an inclined face 18, 19 to each of its upper and lower ends, the upper inclined pan 18 being more inclined than the inclined pan 19 lower.
- four vertical ribs 20 regularly spaced from each other and oriented towards the inside are formed in the central wall 9 facing the central neck 10.
- a closing latch 21 capable of cooperating with the turbine 7 is molded in plastic and is broken down into a discoid-shaped gripping member 22 extended by four longitudinal flat walls 24 oriented towards the external and intercalated with four longitudinal hollow walls, said planar walls 24 and hollow walls 25 being regularly spaced from each other and of the same length.
- the flat walls 24 are in fact interconnected by plastic so as to form a rigid cross-shaped subset in cross section, which makes it possible to avoid any radial deformation of the flat walls 24.
- this latch 21 is designed so that, on the one hand, the distance separating two flat walls or two diametrically opposite hollow walls is very slightly less than that separating two diametrically opposed clips of 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 January 1 and the transmission clips 14 of the turbine 7 at the time of l inserting the lock 21.
- a hub 26 adapted to cooperate with the turbine 7 is molded in plastic, and comprises a side wall in which have been formed four notches 27 regularly spaced from each other and sufficiently wide to accommodate each one of the locking clips January 1 of the turbine 7.
- this side wall is equipped on its outer face with four indexing means 28 V-shaped, regularly spaced from each other.
- the hub 26 is secured to a rotary motor 29 fixed in the volute 3 (not shown).
- this lock 21 can then translate only between two extreme positions, namely, on the one hand, as shown in FIG. 11, an open position in which the lower part 30 of the contour of each hollow wall 25 is kept locked between the first stop 15 and the upper inclined face 18 of the second stop 16 of the transmission clip 14 associated, and on the other hand, as shown in Figure 9, a closed position in which the lower portion 30 of the contour of each hollow wall 25 is held blocked by the inclined pan 19 lower the second stop 16 of the transmission clip 14 associate.
- 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 sufficiently protruding to constitute a stop.
- each locking clip January 1 forces the bead 12 of each locking clip January 1 to abut against the upper edge of the notch 27 corresponding.
- the flat wall 25 associated with each locking clip 1 1 is no longer there to act as a radial abutment, it follows that each locking clip 1 1 undergoes an elastic radial deformation oriented inwardly.
- Each bead 12 is finally extracted from its corresponding notch 27 under the effect of traction, and the subassembly formed by the turbine 7 and the lock 21 is separated from the fan 1.
- the user who has carried out a quick, simple and tool-less disassembly of the turbine 7, can then clean the blades 8 thereof.
- the user reports the subassembly formed by the turbine 7 and the lock 21 on the associated hub 26, and exerts sufficient vertical thrust on the gripping member 22.
- This vertical thrust is echoed on the upper inclined face 18 of each second abutment 16 by the lower portion 30 of the contour of the corresponding hollow wall 25 of the latch 21, and allows to automatically center the turbine 7 on the hub 26.
- the upper inclined section 18 is designed so that the minimum stresses to be exerted by the vertical ribs of the turbine 7 on the indexing means 28 in the form of a V to force the hub 26 to pivot about its axis until 'that it is perfectly oriented are less than those necessary to cause the elastic deformation of each hollow wall 25 due to the sliding of the lower portion 30 of his contou r along said corresponding upper inclined section 18.
- each hollow wall 25 is caused to slide successively along the upper inclined face 18, the boss 17, and finally the inclined pan 19 lower.
- each flat wall 24 slides along the associated locking clip 11, until the lower end of its contour abuts against the radial shoulder 13 of said locking clip January 1.
- This then has the effect of elastically deforming the locking clip 1 1 outwardly so that its radial bead 12 is properly housed in the corresponding notch 27 of the hub 26.
- This blocking is also done in a simple manner, fast and without tools.
- FIGS. 12 to 17 show a turbine 107 without its blades and according to the second preferred embodiment, as well as the associated locking latch 121 and hub 126.
- the turbine 107 has a central neck 1 10 and differs mainly from the turbine 7 in that it has in the lower part two protuberances 130, arranged opposite one another on either side of the central neck 1 10, each equipped with a magnet January 1 constituting a locking means, and each provided with a longitudinal rib 120 oriented outwardly.
- each link 1 14 has a first substantially cylindrical end 131, having a longitudinal edge 132 forming an abutment, and is connected by a rod 133. at a second end 134 projecting parallel to the axis 135 of said first end 131.
- Each rod 1 14 is then secured to the turbine 107 through the axis 135 which is housed in two bores 137, formed in the protuberances 130 and located opposite one another.
- the lock 121 comprises a gripping member 122 of discoid shape extended by a rod 138 in which is formed a groove 139 circular near its lower end.
- the hub 126 is secured to a rotating motor 129, and is in the form of a metal disc 140 having a hollow circular central portion 141 in which are formed two notches 142 each intended to accommodate one of the ribs 120.
- the factory assembly of the turbine 107 and the lock 121 in the hub 126 is made as follows. First, the second end 134 projecting from each link 1 14 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 Figures 16 and 17. This subset thus formed is then attached to the hub
- each link 14 pivots about its axis 135 in a direction forcing the edge 132 to move away from the bottom of the disc 140.
- Each link 1 14 thus constitutes a transmission means enabling the magnets 1 1 1 to come into contact with the bottom of the disc 140.
- Each link 1 14 thus constitutes a transmission means for extracting the locking means connecting the turbine 107 to the hub 126.
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 |
---|---|---|---|
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 true EP1926916A1 (fr) | 2008-06-04 |
EP1926916B1 EP1926916B1 (fr) | 2020-05-06 |
Family
ID=36636485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06808188.4A Active EP1926916B1 (fr) | 2005-09-22 | 2006-09-22 | Turbine amovible pour ventilateur |
Country Status (8)
Country | Link |
---|---|
US (1) | US8292577B2 (fr) |
EP (1) | EP1926916B1 (fr) |
JP (1) | JP2009509090A (fr) |
CN (1) | CN101268285A (fr) |
FR (1) | FR2891027B1 (fr) |
HU (1) | HUE050268T2 (fr) |
PL (1) | PL1926916T3 (fr) |
WO (1) | WO2007034086A1 (fr) |
Families Citing this family (9)
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 |
JP5934917B2 (ja) * | 2010-06-14 | 2016-06-15 | パナソニックIpマネジメント株式会社 | 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 |
EP3219607B1 (fr) * | 2014-11-10 | 2021-04-07 | SZ DJI Technology Co., Ltd. | Dispositif d'entrainement, hélice et système de propulsion |
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 |
CN110998102B (zh) * | 2017-07-31 | 2021-04-02 | 三菱电机株式会社 | 风扇和具备风扇的空调装置的室内机 |
CN110242602A (zh) * | 2019-06-19 | 2019-09-17 | 青岛海尔空调器有限总公司 | 离心风机及具有其的空调器 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3870371A (en) * | 1972-10-25 | 1975-03-11 | Circle Eng Co Inc | Driven plastic small vehicle wheel |
JPS5553859Y2 (fr) * | 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 (fr) * | 1985-08-13 | 1987-02-25 | ||
DE9017544U1 (de) * | 1990-12-30 | 1991-03-21 | Funken & Co. GmbH, 5202 Hennef | Laufrad |
US5215356A (en) * | 1992-10-20 | 1993-06-01 | Lin Kuo Liang | Wheel assembly for a baby carriage |
US5716107A (en) * | 1995-01-25 | 1998-02-10 | Cascade Engineering, Inc. | Wheel assembly |
EP1008776B1 (fr) * | 1998-12-09 | 2006-10-25 | Carrier Corporation | Accouplement d'entraînement à moteur pour ventilateur à courant transversal |
EP1008760B1 (fr) * | 1998-12-10 | 2003-09-17 | Carrier Corporation | Structure d'accouplement d'un arbre d'entraínement pour ventilateur à courant transversal |
DE10049341B4 (de) * | 2000-10-05 | 2004-02-05 | Pvs-Kunststofftechnik Gmbh & Co | Lösbare Wellen-Naben-Verbindung für Lüfterräder |
FR2816380A1 (fr) * | 2000-11-08 | 2002-05-10 | Faurecia Ind | Ventilateur pour vehicule automobile et vehicule automobile correspondant |
US6488474B2 (en) * | 2001-01-08 | 2002-12-03 | Wen-Hao Chuang | Heat dissipating fan |
US20040075356A1 (en) * | 2002-10-16 | 2004-04-22 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan rotor |
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 |
-
2005
- 2005-09-22 FR FR0509674A patent/FR2891027B1/fr not_active Expired - Fee Related
-
2006
- 2006-09-22 WO PCT/FR2006/002170 patent/WO2007034086A1/fr active Application Filing
- 2006-09-22 CN CNA2006800347735A patent/CN101268285A/zh active Pending
- 2006-09-22 EP EP06808188.4A patent/EP1926916B1/fr active Active
- 2006-09-22 PL PL06808188T patent/PL1926916T3/pl unknown
- 2006-09-22 US US12/067,926 patent/US8292577B2/en active Active
- 2006-09-22 HU HUE06808188A patent/HUE050268T2/hu unknown
- 2006-09-22 JP JP2008531738A patent/JP2009509090A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO2007034086A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007034086A1 (fr) | 2007-03-29 |
US20080226447A1 (en) | 2008-09-18 |
CN101268285A (zh) | 2008-09-17 |
EP1926916B1 (fr) | 2020-05-06 |
US8292577B2 (en) | 2012-10-23 |
FR2891027A1 (fr) | 2007-03-23 |
PL1926916T3 (pl) | 2021-04-06 |
FR2891027B1 (fr) | 2008-01-11 |
HUE050268T2 (hu) | 2020-11-30 |
JP2009509090A (ja) | 2009-03-05 |
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