WO2009084947A2 - Système d'extraction d'air - Google Patents

Système d'extraction d'air Download PDF

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Publication number
WO2009084947A2
WO2009084947A2 PCT/NL2008/000283 NL2008000283W WO2009084947A2 WO 2009084947 A2 WO2009084947 A2 WO 2009084947A2 NL 2008000283 W NL2008000283 W NL 2008000283W WO 2009084947 A2 WO2009084947 A2 WO 2009084947A2
Authority
WO
WIPO (PCT)
Prior art keywords
hood
inlet
outlet
extraction device
air
Prior art date
Application number
PCT/NL2008/000283
Other languages
English (en)
Other versions
WO2009084947A9 (fr
WO2009084947A3 (fr
WO2009084947A8 (fr
Inventor
Theodorus Gijsbert Van Der Meij
Original Assignee
Van Der Meij Theodorus Gijsber
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Van Der Meij Theodorus Gijsber filed Critical Van Der Meij Theodorus Gijsber
Priority to EP08867274A priority Critical patent/EP2260243A2/fr
Publication of WO2009084947A2 publication Critical patent/WO2009084947A2/fr
Publication of WO2009084947A3 publication Critical patent/WO2009084947A3/fr
Publication of WO2009084947A9 publication Critical patent/WO2009084947A9/fr
Publication of WO2009084947A8 publication Critical patent/WO2009084947A8/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/08—Foundations or supports plates; Legs or pillars; Casings; Wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
    • F24F8/97—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes for removing tobacco smoke

Definitions

  • a lot of social activities for example having a meal and playing games like card games, etc, take place at home at the dinner table or another table.
  • Another aspect of almost all social activities around a table is the possible need to smoke.
  • the negative influence of smoking on the air quality depends on the amount of smoke and the size of the (living) room where the activity is taking place.
  • the amount of smoke that is released depends on the number of smokers and the frequency with which is smoked.
  • the air quality affects the appeal of the social activity. Also, the air quality may be deteriorated long after the social activity despite the incidental and temporary character of the social activity, and thereby influence the (future) decision to start a new social activity or to repeat one.
  • the object of the invention is to increase the attractiveness of such social activities and thereby positively influence the decision to let such a social activity take place at home or attend such a social activity.
  • the invention provides an air extraction system comprising an easily mountable and demountable extraction device to remove air above a table, said extraction device comprising a hood with at least one inlet and at least one outlet, a ventilator that transports air from the inlet through the hood to the outlet, and a leg assembly having at least one leg which supports the hood, so that the hood can be placed on or near a table.
  • an air extraction system comprising an easily mountable and demountable extraction device to remove air above a table, said extraction device comprising a hood with at least one inlet and at least one outlet, a ventilator that transports air from the inlet through the hood to the outlet, and a leg assembly having at least one leg which supports the hood, so that the hood can be placed on or near a table.
  • the system may comprise a table having a tabletop and at least one table-leg.
  • the table does not require special provisions to be suitable for placing the extraction device with the leg assembly on or near the table.
  • the ventilator is located near the outlet of the hood. Other locations of the ventilator in the extraction device are also possible.
  • the area of the inlet of the hood is at least 0,25m 2 . This ensures that when air is removed above a table, the velocity of the generated air flow is not too large and the system is effective above a large portion of the table.
  • the system removes air above the entire table, and more preferably, also removes air in the vicinity of the table.
  • the system comprises a filter to clean the air that is transported through the hood.
  • a filter to clean the air that is transported through the hood. This allows a recirculation type of system, wherein air is removed above the table of a room and cleaned before released into the room again.
  • the system can also remove air above the table, clean the air, and transport it to outside the room via a hose connected to the hood.
  • the leg assembly is height adjustable.
  • the height of the leg assembly is such that the vertical distance between tabletop and the underside of the hood is between 0,5 and 1 meter.
  • the leg assembly is able to support the hood at multiple places, or can be adjusted in horizontal direction. This allows to adapt the system to the size of the table.
  • the leg assembly comprises weighting material at the lower part of the leg assembly for increased stability of the system, especially when a position next to the table is considered.
  • weighting material can be thought of a base that is used for some types of sunshade and which are for instance filled with water or sand in order to stabilize the sunshade.
  • the system comprises table fastening means to temporarily fasten the leg assembly to the table.
  • fastening means are one or more suction cups (also known to attach telephone holders or navigation units to a car window), clamps, tightening bands or elastic bands (that for instance are arranged around the tabletop and for example through an eye in the lower part of the leg assembly). This prevents the extraction device from being pushed from or dropping of the table. Because the table fastening means fasten the leg assembly temporarily to the table, preferably without the use of tools, the system keeps its temporary character.
  • the hood may comprises a frame and a cloth or flexible sheet, wherein the cloth or flexible sheet forms the wall of the hood, and the frame, in use, retains the cloth or flexible sheet in a predetermined shape.
  • the cloth or flexible sheet is preferably washable in a laundry machine.
  • the cloth or flexible sheet may be made of plastic foil.
  • the frame and cloth or flexible sheet are separable from each other for storage purposes.
  • the frame may be made from multiple individual frame parts, e.g. tubular or rod shaped parts, that have to be assembled when the hood is installed.
  • the frame can also comprise tube-like frame parts that slide into one another like a telescope.
  • the frame is collapsible, e.g. as an umbrella or sunshade, or can be folded to minimize the occupied space for storage.
  • the cloth or flexible sheet can be disposable.
  • the cloth or flexible sheet can be folded or wrapped when separated from the frame to minimize the occupied space for storage.
  • the cloth or flexible sheet comprises at least one sleeve into which a frame part can extend at least partially to retain the cloth or flexible sheet in a predetermined shape. When the hood is demounted, the frame does not necessarily has to be removed from the sleeve.
  • the frame may be an inflatable frame, e.g. with inflatable tubes.
  • Said inflatable frame may be integral with the flexible sheet or cloth.
  • a portion, e.g. more than 50%, of the hood is transparent. This allows light from a lamp to shine through the hood.
  • the extraction device comprises a lamp support to temporarily attach an already present (hanging) lamp above the table to. It is possible that by installing the system on or near the table, elements of the system obstruct with an already present (hanging) lamp.
  • the lamp support allows such a hanging lamp to be easily and temporarily placed at another location or height. Furthermore, if the hood is for the most part transparent, light from the lamp can shine through the hood on the table.
  • the system comprises a lamp.
  • This lamp may replace a lamp above the table and/or provide extra light in addition to an already present lamp.
  • the system comprises a hose which is connectable to the outlet of the hood with one end.
  • a hose which is connectable to the outlet of the hood with one end.
  • the length of the hose is such that it can easily bridge a distance between the hood and an opening in one of the surrounding walls, for instance a outer door or window.
  • the hose is foldable in an accordion way to decrease its length for storage.
  • the hose is made of relatively thin plastic, possibly reinforced by a metal spiral form.
  • the ventilator is connectable to an end of the hose or possibly integral with the hose.
  • the end of the hose remote from the outlet of the hood can be fitted to a ventilator.
  • the system may comprise means to fix the ventilator to or in a window or door opening.
  • a sealing assembly is provided that seals the remaining opening in the window or door so that removed air can not flow back past the hose through the window or door.
  • the ventilator is directly connectable to the outlet of the hood, and the end of the hose that is not connected to the outlet of the hood is provided with means to fix said end to or in a window or door opening.
  • a sealing assembly can be provided.
  • the system comprises a sealing assembly with at least one fitting member for the window or door opening.
  • one end of the hose is connectable to the outlet of the hood and the other end of the hose is connectable to the sealing assembly, wherein optionally the ventilator is integral with or attachable to the sealing assembly.
  • the sealing assembly is meant to be placed in a door or window opening, so that removed air can not flow back past the hose through the opening.
  • the ventilator is integrated in the fitting member.
  • the system may comprise a portable hose support, e.g. floor stand, which can be placed , for instance halfway, to support the hose.
  • the system comprises a nozzle with a connecter for the ventilator or hose and with a nozzle outlet, wherein the nozzle is adapted to hook behind or onto a window frame.
  • the connecter has a substantially round cross section, which transforms into a flat rectangular cross section at the nozzle outlet.
  • the portion of the nozzle with the rectangular cross section preferably has a Z-shape to hook behind a window frame.
  • the window does not have to be opened that far, which is advantageous when the outside temperature is low.
  • the area of the rectangular cross section is equal to the area of the round cross section of the connecter.
  • the system is a kit of components that is easily mountable and demountable.
  • the air extraction system is not a permanent system that is always present, but can be stored away and only be installed when necessary.
  • demounting the system will decrease the space the system occupies, so that storing away the system takes less space than the installed system. This is advantageous when storage space is limited and/or for transporting the system. The system may now be taken to a social activity without much effort.
  • the leg assembly is detachably connected to the hood to simplify the store away.
  • leg assembly it is also possible to integrate said leg assembly into the table- legs.
  • the leg assembly When the system is not in use, the leg assembly is hidden in the table-legs, but when the system is to be installed, the leg assembly can be taken out from the table-legs to support the hood.
  • the system comprises a storage holder, for instance a bag or a (plastic) box, to store away the components of the system.
  • a storage holder for instance a bag or a (plastic) box, to store away the components of the system.
  • the hanging assembly comprises a screw with an eye, which is intended to be screwed into a ceiling, and a line, cable, or the like, which is attached to the eye of the screw and the hood, so that the hood is suspended by the line, cable or the like.
  • the hanging assembly may also be configured to hang the hood to an already present (hanging) lamp.
  • the hanging assembly comprises a rail attached to the ceiling, wherein the hood is attached to the rail in such a manner that it is moveable parallel to the ceiling.
  • the hood of the extraction device comprises a main inlet and at least one auxiliary inlet around a periphery of the main inlet.
  • the at least one auxiliary inlet extends fully around the main inlet.
  • the main inlet is oriented substantially horizontally in use while the one or more auxiliary inlets are oriented substantially vertically. This is advantageous when air is not sucked into the main inlet, but passes the main inlet and swirls around the edge of the main inlet thereby arriving at the auxiliary inlet.
  • the hood comprises inner walls that extend between an inlet and an outlet to separate air flows flowing from one or more inlets to an outlet from other air flows.
  • the extraction device comprises two hood members, an upper hood member and a lower hood member, wherein the two hood members are placed at a distance from each other seen in vertical direction.
  • the lower hood member defining a main inlet and the combination of the lower hood member and upper hood member defining an auxiliary inlet around the periphery of the main inlet.
  • the outlets of the two hood members are connected to each other to form a single outlet. It is envisaged that also more than two hood members may be provided to provide more auxiliary inlets.
  • a perforated or porous flexible sheet extends across the inlet of the hood, for instance a mesh.
  • the perforated or porous flexible sheet may act as a filter and/or is used to control the flow of the air in order to optimize the extraction device.
  • FIG. 1 shows a front and side view of a system according to claim 1 , which has been fastened to a table by clamps
  • Fig. 2 shows an example of a sealing assembly comprising one fitting member, wherein the ventilator is integrated with the fitting member
  • Fig. 3 shows an example of a nozzle that can be hanged in a window frame
  • Fig. 4 shows a front and side view of a system according to claim 1 , wherein the leg assembly is integrated in the table legs of the table,
  • Fig. 5 shows a cross sectional view of a hood of an extraction device according to an embodiment of the invention.
  • Fig. 6 shows a side view of a hood of an extraction device according to another embodiment of the invention.
  • Fig. 1 a front and side view of a system comprising an easily mountable and demountable extraction device to remove air above a table 10.
  • the extraction device comprises a hood 1 with an inlet 2 and an outlet 3, and a ventilator (not shown) to transport air from the inlet 2 through the hood 1 to the outlet 3.
  • the extraction device further comprises a leg assembly having four legs 4 to support the hood 1 on the table 10. Only three legs 4 are shown in Fig. 1.
  • the hood 1 is here depicted as being build from (semi-)rigid wall parts that are preferably collapsible or can be folded, but it is also possible that the hood 1 comprises a cloth or flexible sheet to form the hood and an associated frame to support the cloth or flexible sheet.
  • the cloth or flexible sheet comprises sleeves to receive tube-like frame parts.
  • the cloth or flexible sheet can be separated from the frame parts when demounted in order to minimize the occupied space fro storage purposes.
  • the frame parts may then be fold away or slide into each other like a telescope.
  • the cloth or flexible sheet can be folded or wrapped.
  • the cloth or flexible sheet may also be disposable.
  • the walls of the hood 1 are for the most part, e.g. more than 50%, transparent to allow light of a lamp to shine through the hood 1 on the table 10.
  • the hood 1 is arranged as a hood that extends above the table.
  • the legs 4 are temporarily fastened to tabletop 11 by clamps 20.
  • the legs may be fastened to the table 10 by suction cups, tightening band or elastic band.
  • Tabletop 11 is resting on ground 15 through table-legs 12.
  • the tabletop 11 is rectangular shaped in this embodiment, but the shape of the table is not limited to a square or rectangle. For example, round or oval shaped tables are also suitable to place a extraction device on or near to.
  • the system may comprise a filter 5 to clean the transported air, said filter 5 being arranged in the outlet 3 of the hood.
  • the system may be used as recirculation system, wherein the air above the table 10 is removed by the extraction device, cleaned, and released through outlet 3, so that the air above the table 10 is replaced by fresh clean air from the surroundings.
  • a hose and/or ventilator both not shown
  • the hose will transport the air above the table 10 to a greater distance from the table 10 and is preferably flexible.
  • a (plastic) hose with a accordion kind of structure can be envisaged.
  • the accordion kind of structure has the advantage that the length of the hose can be reduced the hose is thereby easy to store away. It also allows the hose to be placed in any required direction/shape, so that there is maximum control about where the removed air is released.
  • the system may further comprise a lamp support 6 to detachably attach a (hanging) lamp (not shown) to when the extraction device is installed on the table 10.
  • the hood 1 may obstruct with the lamp, so that attaching the lamp to the lamp support will prevent both the lamp and the hood 1 from being damaged. Also, if the hood 1 is for the most part transparent (or totally transparent), the lamp support 6 allows the lamp to shine through the hood 1 on the table 10.
  • the sealing assembly is shown in side view, front view and back view respectively.
  • the sealing assembly comprises a fitting member 40 with an edge 41 , and an electric ventilator 50 integrated into the fitting member, said ventilator having a pull 51 and a grid 52.
  • the pull 51 is used as on/off switch, but it is also possible that intermediate power levels can be set by the pull 51 , for instance by pulling more than once, thereby switching from one intermediate level to another.
  • Grid 52 serves as protection and guard for a turning part of the ventilator 50.
  • the sealing assembly may also comprise multiple fitting members to close off more effectively an opening.
  • Edge 41 is preferably made of plastic and functions as flexible seal between fitting member 40 and for instance an edge of an opening.
  • the fitting member 40 and edge 41 may be provided as kit, wherein the fitting member 40 can be cut down to size and subsequently, the edge 41 can be cut down to size and mounted on the fitting member.
  • the fitting member 40 is collapsible or can be fold-away.
  • the ventilator 50 will preferably comprise an electric cable with plug so that the ventilator can be powered. Batteries are an alternative if no electric mains is nearby.
  • Fig. 3 shows an embodiment of a nozzle 60 that has been provided with a connecter 61 , to which a ventilator or hose (not shown) can be connected.
  • the connecter 61 has a substantially round cross section, which transforms into a flat rectangular cross section.
  • Portion 62 with the flat rectangular cross section has a Z-shape which can be hooked behind a onto a window frame.
  • the shape of portion 62 with the flat rectangular cross section can be adapted to the specific dimensions of the window frame.
  • Alternative shapes as square or rectangular for connecter 61 are also possible if required by the ventilator or hose.
  • the nozzle is combined with a fitting member which closes off the remaining openings, so that no removed air can flow back past the nozzle through the opening.
  • the surface area of the circular cross section of connecter 61 is substantially equal to the surface area of the rectangular cross section of the portion 62.
  • Portion 62 is not limited to having a Z-shape. Other shapes or other provisions are also possible to hook nozzle 60 behind a window frame.
  • Fig. 4 shows a front and side view of a system according to another embodiment.
  • the system comprises a extraction device to remove air above a table 110.
  • the extraction device comprises a leg assembly which is integrated in table-legs 112 of the table 110, and a hood 101 similar to the hood of Fig. 1.
  • the leg assembly comprises four legs 104, of which three are shown in Fig. 4, to support the hood 101.
  • the legs 104 are arranged in cavities 113 of table-legs 112 of table 110. When the extraction device is not installed, the legs 104 are slid entirely into the cavities 113 of table- legs 112.
  • the legs 104 When the extraction device is installed above a tabletop 111 of table 110, the legs 104 are slid out of the cavities 113 of table-legs 112, such that the hood 101 can rest on the legs 104. Sliding the legs 104 in and out can also be used to simplify the mounting and demounting of the extraction device.
  • the extraction device then does not have to be (de)mounted at the height shown in Fig. 2, but can be (de)mounted at a lower height.
  • the extraction device can be raised to the full height as shown in Fig. 2 and after demounting, the legs 104 can be slid into the cavities 113.
  • the legs 104 are integrated with the table-legs 12 such that after sliding completely into the cavities 113, the top surface of the legs 104 is part of the table top 111.
  • separate hood means to cover the cavities 13 are envisaged.
  • Fig. 5 shows a cross sectional view of a hood 150 for an extraction device according to the invention.
  • the hood 150 is provided with a main inlet 155 and two auxiliary inlets 156 and 157 located around the main inlet 155.
  • the hood 150 comprises an upper hood member 170 and a lower hood member 17 to separate the air flows through inlets 155-157 from each other, so that the inlets 155-157 are communicating with outlets 160, 161 and 162 respectively.
  • outlets 160-162 may be combined to one single outlet (not shown), but this configuration is in particular suitable to provide different extraction rates above a table.
  • Outlets 160-162 can be connected to individual ventilators, which can be controlled such that for instance the extraction rate at the auxiliary inlets 156, 157 is larger than for the main inlet 155. It is thus possible to control the extraction distribution above the table.
  • the extraction distribution may also be set by a perforated or porous flexible sheet covering an inlet. The pore size and distribution of the flexible sheet will influence the extraction distribution above the table.
  • the flexible sheet may also act as a filter.
  • the flexible sheet is disposable or washable in a laundry machine.
  • Fig. 6 shows a side view of part of a extraction device according to the invention.
  • the extraction device comprises an upper hood member 200 and a lower hood member 210.
  • the upper hood member 200 comprises an outlet 201
  • the lower hood member comprises an outlet 211.
  • the two hood members 200, 210 can be hung from a ceiling by wires 230 at different heights, so that in this example the lower hood member 210 is partially inside the upper hood member 200.
  • the lower hood member 210 defines a main inlet 220 in communication with outlet 211 , and both the lower and upper hood member 210, 200 define an auxiliary inlet 221 in communication with outlet 201.
  • the auxiliary inlet 221 in this embodiment completely extends around the periphery of the lower hood member 210 and thus the main inlet 220.
  • the two outlets 201 and 211 can be combined to form one single outlet, or each outlet can be connected to an individual ventilator.
  • the main inlet 220 will remove most of the air above the table (see arrow B). However, it has been experimentally determined that polluted air will 'swirl' around the edges of the main inlet 220. This air can be removed through the auxiliary inlet 221 (see arrows A).
  • the auxiliary inlet thus improves the efficiency of the extraction device. Due to the swirling nature of the air at the edges of the main inlet 220, it has been found to be advantageous that the main inlet is oriented in a substantially horizontal direction and the auxiliary inlet is oriented in a substantially vertical direction. However, an inclined orientation of the auxiliary inlet 221 is also possible.
  • the hood members 200, 210 may comprise a cloth or flexible sheet.
  • the two hood members 200, 210 in this example have edges 205, of which only a few are shown for the upper hood member 200.
  • the cloth or flexible sheet may comprise sleeves at the edges 205 of the hood members 200, 210, to receive frame parts that support the cloth or flexible sheet.
  • the frame parts may be connected to each other where edges 205 meet.
  • the wires 203 may then be connected to the frame parts, but may alternatively be connected to the cloth or flexible sheet.
  • the frame parts When demounting the hood members 200, 210, the frame parts can for instance be disassembled and taken from the sleeves, after which the cloth or flexible sheet can be folded, and the frame parts can slide into one another as a telescope, so that the demounted hood members 200, 210 can be stored away and take up less space than in the mounted state.
  • the cloth or flexible sheet and the frame parts may be put in a box or bag for easy handling and transporting of the system.
  • Fig. 6 only shows two hood members, embodiments with more than two hood members are also possible. It is than possible that an extraction device is provided with a main inlet at the centre, and a first auxiliary inlet surrounding the periphery of the main inlet, a second auxiliary inlet surrounding the periphery of the first auxiliary inlet, etc.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Ventilation (AREA)

Abstract

L'invention concerne un système d'extraction d'air comprenant un dispositif d'extraction facile à monter et à démonter pour évacuer l'air au-dessus d'une table, ledit dispositif d'extraction comprenant une hotte ayant au moins une entrée et au moins une sortie, au moins un ventilateur qui transporte l'air de l'entrée à travers la hotte vers la sortie, et un ensemble de pattes comprenant au moins une patte pour supporter la hotte, de sorte que la hotte puisse être placée au-dessus d'une table ou près de celle-ci.
PCT/NL2008/000283 2007-12-28 2008-12-19 Système d'extraction d'air WO2009084947A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08867274A EP2260243A2 (fr) 2007-12-28 2008-12-19 Système d'extraction d'air

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
NL1034877 2007-12-28
NL1034877 2007-12-28
NL1034888 2008-01-04
NL1034888 2008-01-04
NL1034889 2008-01-04
NL1034889 2008-01-04
NL2001303 2008-02-20
NL2001303A NL2001303C2 (nl) 2007-12-28 2008-02-20 Huishoudelijk systeem met afzuiginrichting voor op of bij een tafel.

Publications (4)

Publication Number Publication Date
WO2009084947A2 true WO2009084947A2 (fr) 2009-07-09
WO2009084947A3 WO2009084947A3 (fr) 2009-08-27
WO2009084947A9 WO2009084947A9 (fr) 2009-12-03
WO2009084947A8 WO2009084947A8 (fr) 2010-12-23

Family

ID=40292452

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2008/000283 WO2009084947A2 (fr) 2007-12-28 2008-12-19 Système d'extraction d'air

Country Status (3)

Country Link
EP (1) EP2260243A2 (fr)
NL (1) NL2001303C2 (fr)
WO (1) WO2009084947A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2475390A (en) * 2009-11-05 2011-05-18 Sm Contract Services Ltd Air extraction system with an adjustable frame

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GB2475390B (en) * 2009-11-05 2013-07-24 Sm Contract Services Ltd Extractor system for a temporary structure

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WO2009084947A9 (fr) 2009-12-03
WO2009084947A3 (fr) 2009-08-27
EP2260243A2 (fr) 2010-12-15
WO2009084947A8 (fr) 2010-12-23
NL2001303C2 (nl) 2009-06-30

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