EP1267132A1 - Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem - Google Patents

Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem Download PDF

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Publication number
EP1267132A1
EP1267132A1 EP02077358A EP02077358A EP1267132A1 EP 1267132 A1 EP1267132 A1 EP 1267132A1 EP 02077358 A EP02077358 A EP 02077358A EP 02077358 A EP02077358 A EP 02077358A EP 1267132 A1 EP1267132 A1 EP 1267132A1
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EP
European Patent Office
Prior art keywords
ventilating
outlet opening
flow
air flow
ventilating device
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
Application number
EP02077358A
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English (en)
French (fr)
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EP1267132B1 (de
Inventor
Johannes Antonius Maria Speulman
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.)
CE2S N.V.
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CE2S NV
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Publication date
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Application filed by CE2S NV filed Critical CE2S NV
Priority to EP05076810A priority Critical patent/EP1598604A3/de
Publication of EP1267132A1 publication Critical patent/EP1267132A1/de
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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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4246—Fan casings comprising more than one outlet
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling

Definitions

  • the invention relates to a ventilating device comprising means for generating an air flow in a direction towards an outlet opening, as well as flow deflection means.
  • a ventilating device of this kind is known per se from Patent Abstract of Japan, Vol. 013, No 376, 21 August 1989 & JP 01 130099A.
  • Such ventilating devices are used in multi-storey car parks and traffic tunnels, for example.
  • a few examples of multi-storey car parks fitted with such ventilating devices are the car parks "Kelfkensbos" in Nijmegen, the Netherlands, and the car park under the Museumplein in Amsterdam, the Netherlands.
  • Said ventilating devices are designed and spatially arranged in such manner as to cause air to flow in substantially virtual ducts extending substantially parallel to each other in the longitudinal direction of the space.
  • a well-known system is the so-called pulse ventilating system that is marketed by PSB B.V. at Capelle a/d IJssel, the Netherlands.
  • the pulse ventilating system comprises a number of fans which generate an air flow in the longitudinal direction of the space.
  • Such fans are elongated and cylindrical in shape and they have a diameter of some tens of centimetres and a length of 1 to 2 metres.
  • One such fan is required for every 300-400 m 2 of floor area.
  • the installed power is 3.75 W/m 2 , to which end 0.25 m of cable for every m 2 of floor area of the car park is required.
  • JP 01 130099 also discloses a pulse fan, in which at least two fans have a common outlet opening.
  • the outlet opening of the ventilating system disclosed therein is configured to minimise the efficiency-reducing side effects of the convergence of the two air flows.
  • the outlet opening furthermore causes the air flow to be directed slightly downwards, so as to minimise the extent to which objects are hit by the outflowing air.
  • the thus configured outlet enhances the efficiency of the two fans.
  • One drawback of said ventilating system comprising such an outlet opening is that the presence of objects, such as directing blades, in the outlet opening causes the air flow to diverge in a direction perpendicularly to the direction of flow.
  • the object of the invention is to provide a ventilating device for a space in a building as described above, in which the ventilating device can cause air to flow in the manner as described above in case of a fire, with less power and less cable work being required whilst retaining the same efficiency as regards the removal of smoke from the space in case of a fire.
  • this objective is accomplished in that the flow deflection means are disposed upstream of the outlet opening and are configured in such manner as to prevent the occurrence of a flow in a direction substantially parallel to the outlet opening.
  • the deflection means are configured so as to deflect the flow in a direction away from the outlet opening at the location of the deflection means.
  • a very effective flow of the air being blown out by the ventilating device is achieved.
  • the outlet opening lies in a plane substantially parallel to the initial direction of flow; this is the direction in which the air flow propagates directly after exiting the means for generating the air flow.
  • Said preferred embodiment may furthermore be provided with a housing arranged for deflecting the air flow in such a manner that the air flow exits the outlet opening as a whole at an angle to the plane of the outlet opening.
  • the configuration of the housing and of the added deflection means fully or substantially prevents the occurrence of swirls that can disturb the convergence of the flow after exiting the outlet opening.
  • FIG. 1 Another preferred embodiment of a ventilating device according to the invention is characterized in that the means for generating the air flow comprise a radial fan.
  • the dimensions of the ventilating device in a direction perpendicularly to the plane of the outlet opening are quite small, they will be hardly any larger than the height dimensions of the radial fan.
  • Such a ventilating device which is capable of generating a sufficiently large air flow, will have a height of 20 - 35 cm.
  • the electric power that is required will only be 1.875 W/m 2 , or even less, whilst the required amount of cable work will be 0.06 m per m 2 of floor area at most. Furthermore, only one fan per 1600 m 2 of floor area will be required.
  • the ventilating device comprises a laminar flow aligning device, which is disposed downstream of the means for generating the air flow and upstream of the outlet opening.
  • the advantage of the addition to the ventilating device of such a flow aligning device which, in one embodiment of the invention, has a fine-meshed structure such as a gauze-like structure or a honeycomb structure, is that any swirls that have been created in the air flow upon generation of the initial air flow are eliminated by said means before the air flow exits the outlet opening. If said means are added at a location downstream of the place where the flow is deflected, for example, the flow will as a rule convert into a substantially laminar flow, which is easier to deflect without causing harmful effects.
  • the invention also relates to a ventilating system comprising one or more ventilating devices as described in at least one of the preceding claims for causing air to flow in a space in substantially virtual ducts extending substantially parallel to each other in one direction in said space, as well as a space, such as a multi-storey car park, fitted with such a ventilating system.
  • FIG. 1 a top plan view of a parking deck in a multi-storey car park is shown.
  • the parking take is indicated by reference numeral 1.
  • the parking deck 1 has a longitudinal direction indicated by a double arrow L, and a transverse direction indicated by the double arrow D.
  • the parking deck 1 is accessible via a semicircular on-ramp 2 and a semicircular off-ramp 3, and the parking deck 1 can be left by way of a semicircular off-ramp 4 and a semicircular on-ramp 5.
  • Reference numeral 6 indicates an exhaust system which is known per se, which exhaust system is normally present and which ensures that, in normal situations, the parking deck 1 is sufficiently ventilated and cleared of exhaust gases from cars with running engines that are present on the parking deck 1.
  • Rectangles, such as the rectangle 7, indicate parked cars. For easy reference, only a limited number of rectangles are shown, but it will be understood that a large number of parking spaces for cars are present between the rectangle 7 and the rectangle 8.
  • the chain-dotted lines 9, 10 and 11 indicate virtual separations between virtual ducts 12, 13, 14 and 15. Said separations and said ducts are called virtual separations and ducts, because there are no actual physical partitions.
  • the elongated, cylindrical fans that are usual in the prior art, such as the fans that are installed by the firm of PBS B.V. at Capelle a/d IJssel, the Netherlands, are arranged in such a manner, at locations not shown in Figure 1, that a separate air flow in the direction indicated by the arrow A can be generated in each of the virtual ducts when the fans are operative.
  • a car 16 being on fire is shown in the hatched part of Figure 1.
  • a burning car in a car park produces a great deal of smoke which hides the centre of the fire, the burning car, from view after a short time already, fills the parking deck 1 completely with very dark smoke, in which visibility is limited to maximally a few dozen centimetres, and in which respirators are required in order to prevent poisoning.
  • Dashed line 17 indicates a dividing line between a space 18, in which the centre of the fire is not located, and a space 19 in which the centre of the fire 16 is located.
  • the space 18 must be clear of smoke as much as possible, whilst the space 19 does not need to be clear of smoke.
  • the centre of the fire 16 can be approached up to a small distance from the space 18, and the centre of the fire will be visible from a large distance already.
  • This enables the firefighters to approach the centre of the fire 16 from the space 18 without any appreciable risk and extinguish the fire from there.
  • the time during which the fire is burning will be significantly reduced, because it can be put out at an early stage, so that also the total amount of smoke can be reduced.
  • the extent of the damage caused to the building will be limited in comparison with the situation in which the fire would burn longer. In addition to that, the risk of cars parked beside the burning car in the car park being damaged is significantly reduced.
  • the temperature increase caused by the fire 16 will be significantly smaller, in the space 18 at any rate, than in the situation in which there would be no supply of air in the direction indicated by the arrow A.
  • Any intensification of the fire at the centre of the fire 16 as a result of fresh oxygen being supplied is more than compensated by the speed with which the firefighters are able to see, approach and extinguish the fire.
  • the quick approach by the firefighters is the result both of the good visibility of the fire from the space 18 and of the relatively low temperature in the area 18.
  • Figure 2 shows by way of example the manner in which a space within a building, such as the parking deck that is shown in Figure 1, can be fitted with a ventilating system according to the invention, which takes up less of the available space, especially in vertical direction, and which comprises ventilating devices which are capable of generating an air flow in the direction indicated by the arrow A in the virtual ducts 12, 13,14 and 15 in a more effective manner.
  • the dashed line 20 indicates a line near a ceiling of the parking deck 1 along which outlet openings of the ventilating devices 21, 22, 23, 24, 25 and 26 according to the invention extend.
  • the ventilating devices 21-26 have an outlet opening configured as an elongated slit which is located approximately at the level of the line 20 and which extends substantially parallel to the floor of the parking deck.
  • the line 20 extends at an angle ⁇ to the longitudinal direction L.
  • the angle ⁇ equals 90°.
  • FIGs 3 and 4 show by way of example the manner in which the ventilating device 21 is mounted in the space formed by the parking deck 1.
  • the parking deck 1 comprises a floor 27 and a ceiling 28.
  • the ventilating device 21 is mounted on the ceiling 28.
  • the ventilating device 21 is provided with an outlet opening 29, via which air sucked in by the ventilating device 21 as indicated by the arrow B is blown out in the direction indicated by the arrow C.
  • the air is blown out in the direction indicated by the arrow C at an angle ⁇ to the horizontal plane 74 in which the outlet opening 29 lies.
  • the angle ⁇ will range between 2° and 10°.
  • the slit 29 extends substantially parallel to the floor 27, in a direction substantially perpendicularly to the longitudinal direction L of the parking deck 1.
  • the slit 29 provides a directed air flow in one direction as indicated by the arrow C, which air flow only fans out to a very limited extent in a direction perpendicularly to the plane of drawing of Figure 3.
  • the air flow which is indicated by the arrow C, forms a relatively thin but quickly flowing plane in the space between the floor 27 and the ceiling 28. Air present above and below the plane of the quick flow and also, up to a certain distance, to the left and to the right of the air flow indicated at C, is carried along by the quick flow.
  • the air flow according to the arrow C is directed from the plane of drawing in the direction of the observer, all this as indicated by the arrows in front elevation C1, C2 and C3.
  • FIG. 5 a preferred embodiment of a ventilating device according to the invention is indicated at 30.
  • the ventilating device 30 comprises a housing 31 having a bottom opening 32 and points of attachment 33 and 34 for mounting the housing 31 on the ceiling 28.
  • a radial fan in the form of an impeller wheel 35 is present in the housing 31.
  • the impeller wheel 35 is rotatable about an axis of rotation 35a.
  • the impeller wheel 35 can be rotated via a device 36, which will be described in more detail with reference to Figure 8.
  • the impeller wheel 35 is so configured, in a manner which is known per se, that air is sucked in through the opening 32 in the direction indicated by the arrow B and supplied to the space 37 within the housing 31.
  • the housing 31 comprises an outflow end, which is generally indicated at 38 and which opens into the outlet opening 29.
  • the outlet opening 29 is elongated in shape and extends in the longitudinal direction, perpendicularly to the plane of drawing of Figure 5.
  • flow deflection means 73 in the form of an elevation of approximately triangular section extending inwards from the housing 31, which elevation is configured to prevent the flow of air in a direction substantially parallel to the outlet opening 29, are arranged upstream of the outlet opening 29.
  • the flow deflection means 73 lie substantially in the plane 74 of the outlet opening and extend some distance into the air flow with respect to the plane 74.
  • the flow deflection means 73 are so configured that the air flow is deflected in a direction away from the outlet opening 29 at the location of the flow deflection means 73.
  • Such flow lines can cause harmful effects, they may for example cause swirls at the boundary edges of the outlet opening 29, which swirls have an adverse effect on the effectiveness of the air flow delivered via the outlet opening 29.
  • the flow, upon exiting the outlet opening will not include any components which propagate at a relatively small angle ⁇ ( Figure 3), for example an angle of less than 2°.
  • the arrow C4 indicates the direction of the air flowing from the outlet opening 29 as a result of the overpressure in the space 37.
  • the flow deflection means may exhibit various shapes, they may for example be in the form of an upright edge or edges or in the form of a blade or blades which, in accordance with the invention, are located upstream of the outlet opening 29.
  • the outflow end 38 is arranged to deflect the air flow in such a manner that it will exit the outlet opening 29 as a whole at a desired angle ⁇ ( Figure 3) to the plane 74 of the outlet opening 29.
  • a laminar flow aligning device 71 is added to the device, which flow aligning device is present in the flow between the outlet opening 29 and the means 35 for generating the air flow.
  • a laminar flow aligning device 71 which preferably comprises a fine-meshed structure (for example gauze-like structure or a honeycomb structure), functions to suppress swirls that are produced upon generation of the air flow by the impeller wheel 35 and to enable a laminar air flow.
  • FIG 8 a bottom plan view of two ventilating devices 39 and 40 arranged side by side is shown, which ventilating devices are comparable to the ventilating device 30 of Figure 5.
  • the ventilating devices 39 and 40 are each provided with an intake opening 41, 42, respectively, which are covered with a stainless steel protective mesh indicated at 43 and 44, are respectively.
  • Figure 8 furthermore shows attachment hooks 45, 46, 47 and 48 for attaching the ventilating devices 39 and 40 to the ceiling 28.
  • Each of the ventilating devices 39 and 40 is provided with a slit 49, 50, respectively.
  • a motor 51 Arranged at the upper side of the ventilating devices 39 and 40, and consequently indicated by a dashed line, is a motor 51 which drives a driving belt 52.
  • the driving belt 52 is passed over a pulley 53 of the motor 51, and also over the pulleys 54 and 55 of the fans of the ventilating devices 39 and 40, respectively. Furthermore, guide wheels 56 and 57 are shown. Referring to Figure 5 again, it will be apparent that numeral 36 indicates the belt 52 that is passed over the pulley 54.
  • the pulleys 54 and 55 are connected to impeller wheels disposed thereunder, such as the impeller wheel 35 in Figure 5.
  • the height h is about 33 cm, and the depth, i.e. the distance between points E and F, is 185 cm.
  • the transverse dimension of the ventilating devices 30, and of the ventilating device 39 and the ventilating device 40, is 115 cm. It is noted that the dimensions listed above are dimensions used by way of example, which do no limit the invention in any way.
  • the fan 30, and also the ventilating devices 39 and 40 must displace an amount of air of at least 6.25 m 3 /sec at an exit velocity from the slit 29 of at least 25 m/sec, preferably 27 m/sec.
  • the driving motor will have a power of 3 kW per ventilating device.
  • a control device 59 which is connected to one or more of fire detectors 60, is provided for controlling the ventilating devices 30, 39 and 40.
  • a fire detector 60 detects fire or any other sign of a fire, the fire detector 60 will deliver a signal to the control device 59 which, in response thereto, will deliver a control signal to the driving unit of the ventilating devices 30, 39 and 40 to activate said ventilating devices. All this takes place in a manner which is known per se, viz. the manner that is known from the control devices being used for the elongated, cylindrical fans having circular outlet openings, such as the fans that are used in the existing car parks as referred to in the introduction, and consequently they need not be explained in more detail herein.
  • FIG. 6 shows an alternative driving arrangement for the ventilating device 30.
  • the ventilating device 30 is provided with an impeller wheel 35 having an opening surrounding the axis 61, in which a motor 62 is present.
  • the motor 62 is fixed to the housing 31 by means of a plate 63, and it will rotate the impeller wheel 35 and great speed upon being energised.
  • the length L of the parking deck 1 is so small that the presence of one or more ventilating devices according to the invention near one end, near the line 20, will suffice.
  • Figure 7 shows a ventilating device which can be advantageously arranged at such a position. Such a ventilating device is shown in longitudinal sectional view in Figure 7.
  • the ventilating device 64 comprises a housing 65 accommodating a central impeller wheel 66, and it is provided with a first slit 67 and a second slit 68 extending parallel thereto.
  • Controllable valves 69 and 70 are arranged in the housing 65.
  • the valves 69 and 70 can move between the position illustrated in full lines and the position illustrated in dashed lines in Figure 7.
  • the valves 69 and 70 are actuated by means of motors (not shown) which are known per se. Said motors are controlled from the control device 59. In this situation that is shown in Figure 7, air will flow out from the opening 67 when the ventilating device 64 is operative, whilst the opening 68 is closed by the valve 70.
  • valve 70 will be moved to the position illustrated in dashed lines, and the valve 69 will likewise be moved to the position illustrated in dashed lines. As a result, air can no longer flow to the outlet opening 67, whereas the flow of air to the outlet opening 68 is possible.
  • Figure 9 is a bottom plan view of a dual version of a ventilating device as indicated at 64 in Figure 7.
  • the same reference numerals as in Figure 7 are used in Figure 9, with this difference that in Figure 9 the indications "-1" and "-2" are added to the numerals.
  • Figure 10 shows the embodiment as shown in Figure 5, which is mounted on a drivable rotary platform 72.
  • the ventilating device 30 can thus the rotatably mounted on the ceiling or the roof of a space, as is shown in Figure 2, and be rotated, if desired, so as to create an air flow in a specific desired direction in the space.
  • a drivable rotary platform 72 such as the platform on which the ventilating device 30 is mounted may be actuated by an electromagnet (not shown) and be biassed by spring means (not shown).
  • any large space in which a fire may develop and in which many people or goods may be present will benefit from the use of the present invention.
  • a rival and departure halls at airports and auction rooms may be considered.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ventilation (AREA)
  • Duct Arrangements (AREA)
  • Air-Flow Control Members (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Air Conditioning Control Device (AREA)
EP02077358A 2001-06-13 2002-06-13 Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem Expired - Lifetime EP1267132B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05076810A EP1598604A3 (de) 2001-06-13 2002-06-13 Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1018285 2001-06-13
NL1018285A NL1018285C2 (nl) 2001-06-13 2001-06-13 Ventilatiesysteem.

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP05076810A Division EP1598604A3 (de) 2001-06-13 2002-06-13 Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem

Publications (2)

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EP1267132A1 true EP1267132A1 (de) 2002-12-18
EP1267132B1 EP1267132B1 (de) 2005-12-07

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ID=19773546

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EP02077358A Expired - Lifetime EP1267132B1 (de) 2001-06-13 2002-06-13 Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem
EP05076810A Withdrawn EP1598604A3 (de) 2001-06-13 2002-06-13 Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem

Family Applications After (1)

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EP05076810A Withdrawn EP1598604A3 (de) 2001-06-13 2002-06-13 Lüftungsvorrichtung und damit ausgerüstetes Lüftungssystem

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EP (2) EP1267132B1 (de)
AT (1) ATE312320T1 (de)
DE (1) DE60207786T2 (de)
ES (1) ES2254598T3 (de)
NL (1) NL1018285C2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1034927C2 (nl) * 2008-01-18 2009-07-21 Holland Conditioning Parkeersystemen Bv Efficiente ventilatorinrichting met centrifugaalwaaier.
NL1034926C2 (nl) * 2008-01-18 2009-07-21 Holland Conditioning Parkeersystemen Bv Ventilatorinrichting met ophanging aan motor.
GB2509928A (en) * 2013-01-17 2014-07-23 Mosen Ltd Tunnel ventilation fan and nozzle assembly
CN105090075A (zh) * 2015-07-16 2015-11-25 莫森有限责任公司 节能隧道通风设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0819608D0 (en) * 2008-10-24 2008-12-03 Mosen Ltd Improved tunnel ventilation device
GB2479082A (en) * 2008-10-24 2011-09-28 Fathi Tarada Tunnel Ventilation Fan Nozzle

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US3211077A (en) * 1961-11-22 1965-10-12 Jr Frederick A Kramer Air curtain
US4131059A (en) * 1976-03-05 1978-12-26 Ab Svenska Flaktfabriken Apparatus for forming and controlling currents of air
JPS60101442A (ja) * 1983-11-07 1985-06-05 Matsushita Refrig Co 風向変更装置
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1034927C2 (nl) * 2008-01-18 2009-07-21 Holland Conditioning Parkeersystemen Bv Efficiente ventilatorinrichting met centrifugaalwaaier.
NL1034926C2 (nl) * 2008-01-18 2009-07-21 Holland Conditioning Parkeersystemen Bv Ventilatorinrichting met ophanging aan motor.
EP2080911A2 (de) 2008-01-18 2009-07-22 Holland Conditioning Parkeersystemen B.V. Kreiselventilationsgerät mit verbesserter Leistung
EP2080912A2 (de) 2008-01-18 2009-07-22 Holland Conditioning Parkeersystemen B.V. Ventilationsgerät
EP2080912A3 (de) * 2008-01-18 2011-12-07 Holland Conditioning Parkeersystemen B.V. Ventilationsgerät
EP2080911A3 (de) * 2008-01-18 2011-12-14 Holland Conditioning Parkeersystemen B.V. Kreiselventilationsgerät mit verbesserter Leistung
GB2509928A (en) * 2013-01-17 2014-07-23 Mosen Ltd Tunnel ventilation fan and nozzle assembly
GB2512181A (en) * 2013-01-17 2014-09-24 Mosen Ltd Energy-efficient ventilation device
GB2512181B (en) * 2013-01-17 2017-06-07 Mosen Ltd Energy-efficient tunnel ventilation device
CN105090075A (zh) * 2015-07-16 2015-11-25 莫森有限责任公司 节能隧道通风设备

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DE60207786T2 (de) 2006-08-31
EP1267132B1 (de) 2005-12-07
EP1598604A3 (de) 2009-01-21
ES2254598T3 (es) 2006-06-16
ATE312320T1 (de) 2005-12-15
NL1018285C2 (nl) 2003-01-13
DE60207786D1 (de) 2006-01-12
EP1598604A2 (de) 2005-11-23

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