WO2015049457A1 - Dispositif de ventilation axiale; local équipé d'un tel dispositif - Google Patents
Dispositif de ventilation axiale; local équipé d'un tel dispositif Download PDFInfo
- Publication number
- WO2015049457A1 WO2015049457A1 PCT/FR2014/052467 FR2014052467W WO2015049457A1 WO 2015049457 A1 WO2015049457 A1 WO 2015049457A1 FR 2014052467 W FR2014052467 W FR 2014052467W WO 2015049457 A1 WO2015049457 A1 WO 2015049457A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axial
- axial fan
- shaft
- ventilation device
- fan
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 16
- 239000002360 explosive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
-
- 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using 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
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
Definitions
- Axial ventilation device local equipped with such a device.
- the present invention relates to an axial ventilation device and its applications.
- the term "axial ventilation device” means a device comprising a plurality of axial fans.
- a fan is a turbomachine which transfers energy to a gas that passes through it in order to convey this gas, for example through a wall, in one or more ducts, or to allow a space to be swept, in particular to ensure its homogeneity;
- a fan is composed of blades fixed to a hub, the assembly forming a wheel, wherein said hub is driven by a motor; the classes of fans are usually defined according to the type of wheel which differ from each other as a function of the shape of the blades.
- axial fan means a fan where the blades are helical in shape and where the flow direction of the gas is essentially axial; these fans are also called “helical fans”.
- Axial fans are particularly suitable for stirring a gas in large volume rooms or for extracting gas through walls; they can also be mounted inside a sheath.
- An axial fan comprises a ferrule which is a static part, fixed directly or by means of intermediate parts to a building or installation; the ferrule is of revolution shape extending along a longitudinal axis. This axis will be called "fan axis".
- the ferrule may be of substantially cylindrical or substantially frustoconical shape; a sheath portion may constitute the shell of an axial fan; the two ends of the shell, substantially perpendicular to the axis of the fan, comprise an opening to allow the passage of gas.
- An axial fan also includes blades, also called blades, attached to a hub extending along the axis of the fan. Said hub is driven by a motor. The gas is thus driven substantially along the axis of the fan, inside the shell. Usually, the motor of an axial fan is disposed inside the shell, along the axis of the fan. The gas thus moves in the space between the inner wall of the shell and the outer wall of the engine.
- an axial fan comprises a rotationally-shaped ferrule extending longitudinally along an axis of the fan, blades disposed inside the ferrule and fixed to a hub, an axial fan shaft to which is secured the hub, said shaft extending along the axis of the axial fan, at least one motor adapted to rotate a motor shaft according to the axis of rotation of said motor, where the motor (s) is (are ) located outside the shell and the motor shaft (s) is (are) connected to the shaft of the axial fan by a coupling device so as to provide the rotary drive of the axial fan shaft.
- the present invention relates to an axial ventilation device comprising a plurality of axial fans, wherein each axial fan comprises a ring of revolution shape extending longitudinally along an axis of the fan, blades disposed inside the shell and fixed to a hub, a shaft of the axial fan which is secured to the hub, said shaft extending along the axis of the axial fan, at least one motor adapted to rotate a motor shaft according to the axis of rotation of said motor, where the (or) the motor (s) is (are) located outside the shell and the (the) shaft (s) engine is (are) connected (s) to the shaft of the axial fan by a coupling device for ensuring the rotary drive of the axial fan shaft, wherein said axial ventilation device comprises at least three axial fans arranged at the ends of a polygon and that a same drive shaft is adapted to drive in rotation at least the shafts of two axial fans. It is thus possible to create a network of axial fans integral with each other; this allows for example to increase
- the choice of such an axial fan is advantageous because the size of the motor is carried out of the shell. It is thus possible to reduce the size of an axial fan and / or increase its ventilation efficiency in comparison with an axial fan disposed inside the shell.
- the present invention also relates to an axial ventilation device further comprising the features set forth in the following embodiments, which can be combined in any technically feasible configuration:
- the coupling device of at least one axial fan comprises a gear device (70) between the shaft of the axial fan and a shaft of the (or each) motor (s);
- the gear device, of at least one axial fan, between the shaft of the axial fan and the shaft of an engine is a bevel gear forming an angle gear, for example a 90 degree angle gear °
- the motor (s) of at least one axial fan is (are) arranged so that the angle between the axis of the axial fan and the axis of rotation of the motor is substantially 90 ° or 270 °;
- the hub of at least one axial fan is driven by two motors whose axes of rotation are arranged in the same plane perpendicular to the axis of the axial fan;
- the hub of at least one axial fan is made of aluminum and the axial fan shaft is made of steel; the blades of at least one axial fan are disposed inside the shell in two rows each located in a plane perpendicular to the axis of the axial fan and where the two rows of blades rotate in an opposite direction thanks to two coaxial shafts of the axial fan;
- the outer ends of the two coaxial shafts of at least one axial fan are respectively disposed in an inlet cone and in an exit cone and the inner ends of the two coaxial shafts are connected to the coupling device so as to allow their rotation in two opposite senses;
- the driving shaft of at least one axial fan passes longitudinally through the motor and extends to join at the same time a first axial fan and a second axial fan;
- the polygon is chosen from the list consisting of a triangle, a square, a rectangle, a hexagon, an octagon;
- each axial fan comprises two motors and each of these motors is connected with another axial fan so as to form a network;
- each axial fan of the axial ventilation device is identical;
- each of the axial fans of the device is disposed at one end of the polygon.
- the present invention also relates to a room equipped with at least one axial ventilation device according to any one of the embodiments of the present invention set out above.
- the present invention also relates to the use of at least one axial ventilation device, according to any of the embodiments of the present invention set out above, for transferring to a gas that passes through the energy in very cold conditions.
- Cold weather is understood to mean conditions in which the outside temperatures are less than or equal to -40 ° C., in particular less than or equal to -50 ° C. These conditions are found especially in the Arctic environment. The following examples illustrate the present invention without limiting it.
- FIG. 1 and 2 show schematically the same embodiment of an axial fan, may be used in an axial ventilation device according to the present invention, respectively in a perspective view and in a partially exploded front view;
- FIG. 3 shows schematically an axial ventilation device according to the present invention.
- FIGS 1 and 2 show schematically an axial fan 1 comprising a ferrule 10 (also commonly called “volute”) of revolution shape extending longitudinally along an axis 20.
- the ferrule is cylindrical, of the form of a cylinder of revolution.
- the ferrule is intended to be fixed directly or by means of parts adapted to a structure, in particular to a part of a building, for example a wall or a roof.
- the axial fan 1 is located inside a building and allows the movement of gaseous flow within this building.
- the axial fan 1 is located in a part of a building at the interface between the interior of the building and the outside of the building; it thus allows the flow of gaseous flow from the interior of this building to the outside of this building.
- inlet means the zone situated upstream of the axial fan in the direction of flow direction of the gas, and by "outlet” the zone situated downstream of the axial fan in the direction of flow direction of the gas. .
- the inlet is located to the right of the axial fan and the output is located to the left of the axial fan.
- ferrule 10 is shown only partially in FIG. 2, in particular to make distinctly appear components, located inside the axial fan, described hereinafter.
- the axial fan comprises blades 30 disposed inside the ferrule and fixed to a hub 40.
- a shaft 50 is secured to the hub 40 of the axial fan; this shaft 50 extends along the axis 20 of the axial fan.
- the hub 40 is made of aluminum and the shaft 50 of the axial fan is made of steel.
- the vanes are rotatable relative to the ferrule and driven by the shaft 50.
- the axial fan shown comprises two motors 60 adapted to rotate each drive shaft 65 according to the axis of rotation of said motor; the motors are located outside the shell and the two motor shafts are connected to the shaft 50 of the axial fan by a coupling device 70 so as to ensure the rotary drive of the shaft of the axial fan.
- the two motors 60 are arranged so that the angle between the axis of the axial fan and the axis of rotation of the motor is 90 °; the axes of rotation of these two motors 60 are arranged in the same plane perpendicular to the axis of the axial fan.
- the coupling device shown is a gear device 70 between the shaft 50 of the axial fan and each shaft 65 of the motors 60, consisting of a bevel gear forming a 90 ° angle gear.
- This conical gear comprises two meshing cones fixed on the shaft 50 of the axial fan and arranged at 90 °; each drive shaft 65 comprises a meshing cone for meshing with a meshing cone fixed on the shaft 50 of the axial fan.
- Each shaft 65 of the motors 60 can be coupled or uncoupled from the engagement cones fixed on the shaft 50. Consequently, the shaft 50 of the axial fan can be driven by either one of the two motors 60, or by the two motors 60 simultaneously.
- the axial fan shown comprises two rows of blades each located in a plane perpendicular to the axis 20 of the axial fan; these two rows of blades rotate in an opposite direction through two coaxial axle fan shafts. This gives a so-called "counter-rotating" fan.
- the outer ends of the two coaxial shafts of the axial fan are respectively disposed in an inlet cone 81 and in an outlet cone 82 and the inner ends of the two coaxial shafts are connected to the coupling device so as to allow their rotation in two directions. opposed.
- the entry cone 81 and the exit cone 82 are each connected and secured to the shell 10 by three towers 85.
- the axial fan shown further comprises a streamlined convergent 90 located at the inlet.
- the shell 10 is surrounded by a plurality of annular plates 66, secured to said shell, arranged in a plane perpendicular to the axis 20 and for supporting two plates 64 on which are arranged the two motors 60; fastening elements 62 make it possible to keep each of these motors at the plates 64.
- FIG. 3 diagrammatically represents an axial ventilation device 2 according to the present invention, comprising a plurality of axial fans 1, for example as illustrated in FIGS. 1 and 2 and described above, where the same motor shaft 65 is adapted. to rotate the shafts of two axial fans 1.
- the drive shaft 65 traverses the engine longitudinally and extends to join both a first axial fan and a second axial fan.
- the axes of the motors are located in the same plane perpendicular to the axis 20 shown in FIG.
- the axial ventilation device comprises four axial fans 1 arranged at the ends of a polygon of square shape.
- Each axial fan comprises two motors 60 and each of these motors 60 is connected with another axial fan so as to form a square network.
- This arrangement is advantageous in terms of security of the device. Indeed, if a motor of an axial fan has failed, it is possible to drive the axial fan with another motor of another axial fan and continue to operate the axial ventilation device. It is also easy to change a motor without stopping the device.
- Such an axial ventilation device can equip premises including industrial facilities, for example comprising for transferring to a gas that passes through the energy in very cold conditions.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/027,204 US10294948B2 (en) | 2013-10-03 | 2014-09-30 | Axial ventilation device, premises equipped with such a device |
BR112016007389A BR112016007389A2 (pt) | 2013-10-03 | 2014-09-30 | dispositivo de ventilação axial; e local equipado com um dispositivo de ventilação axial deste tipo |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13306376.8 | 2013-10-03 | ||
EP13306376 | 2013-10-03 | ||
FR1360311 | 2013-10-23 | ||
FR1360311 | 2013-10-23 | ||
FR1452941 | 2014-04-03 | ||
FR1452941A FR3012851B1 (fr) | 2013-10-03 | 2014-04-03 | Ventilateur axial ; dispositif de ventilation axiale associe ; local equipe d'un tel ventilateur ou d'un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015049457A1 true WO2015049457A1 (fr) | 2015-04-09 |
Family
ID=51830531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2014/052467 WO2015049457A1 (fr) | 2013-10-03 | 2014-09-30 | Dispositif de ventilation axiale; local équipé d'un tel dispositif |
Country Status (2)
Country | Link |
---|---|
US (1) | US10294948B2 (fr) |
WO (1) | WO2015049457A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223412A (zh) * | 2016-12-22 | 2018-06-29 | 日本电产(东莞)有限公司 | 串联连接的轴流风扇 |
AU2019257746B2 (en) * | 2018-04-27 | 2023-11-02 | Textron Systems Corporation | Variable pitch rotor assembly for electrically driven vectored thrust aircraft applications |
CN109630184A (zh) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | 无动力通风装置及隧道 |
US11592026B2 (en) * | 2020-12-22 | 2023-02-28 | Goodrich Corporation | Fan aspirator |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US308151A (en) * | 1884-11-18 | Refrigerator-wagon | ||
CN2793377Y (zh) * | 2005-04-21 | 2006-07-05 | 孙克勤 | 双级对旋轴流风机 |
JP2007303286A (ja) * | 2006-05-09 | 2007-11-22 | Denso Corp | 車両用二重反転式送風機 |
WO2011089578A2 (fr) | 2010-01-25 | 2011-07-28 | Total S.A. | Procede de ventilation d'un local fortement encombre |
DE202012004313U1 (de) * | 2012-04-26 | 2012-08-03 | Abb Technology Ag | Umrichtergehäuse mit Lüfter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB700684A (en) | 1950-11-06 | 1953-12-09 | Gen Electric Co Ltd | Improvements in or relating to electric fans |
US3628350A (en) * | 1970-06-22 | 1971-12-21 | Samuel M Ruth | Wall air conditioner |
US20060226281A1 (en) * | 2004-11-17 | 2006-10-12 | Walton Joh-Paul C | Ducted fan vertical take-off and landing vehicle |
CN100402331C (zh) | 2006-12-30 | 2008-07-16 | 东风汽车集团股份有限公司 | 车用风扇冷却装置 |
JP2009162127A (ja) * | 2008-01-08 | 2009-07-23 | Denso Corp | 車両用送風装置 |
US20100111697A1 (en) * | 2008-11-05 | 2010-05-06 | Frontline Aerospace, Inc | Wind energy generation device |
US9217412B2 (en) * | 2012-04-29 | 2015-12-22 | LGT Advanced Technology Limited | Wind energy system and method for using same |
-
2014
- 2014-09-30 WO PCT/FR2014/052467 patent/WO2015049457A1/fr active Application Filing
- 2014-09-30 US US15/027,204 patent/US10294948B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US308151A (en) * | 1884-11-18 | Refrigerator-wagon | ||
CN2793377Y (zh) * | 2005-04-21 | 2006-07-05 | 孙克勤 | 双级对旋轴流风机 |
JP2007303286A (ja) * | 2006-05-09 | 2007-11-22 | Denso Corp | 車両用二重反転式送風機 |
WO2011089578A2 (fr) | 2010-01-25 | 2011-07-28 | Total S.A. | Procede de ventilation d'un local fortement encombre |
DE202012004313U1 (de) * | 2012-04-26 | 2012-08-03 | Abb Technology Ag | Umrichtergehäuse mit Lüfter |
Also Published As
Publication number | Publication date |
---|---|
US20160245293A1 (en) | 2016-08-25 |
US10294948B2 (en) | 2019-05-21 |
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