EP1302726A1 - Belüftungsvorrichtung und Filtereinrichtung dafür - Google Patents

Belüftungsvorrichtung und Filtereinrichtung dafür Download PDF

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Publication number
EP1302726A1
EP1302726A1 EP02445127A EP02445127A EP1302726A1 EP 1302726 A1 EP1302726 A1 EP 1302726A1 EP 02445127 A EP02445127 A EP 02445127A EP 02445127 A EP02445127 A EP 02445127A EP 1302726 A1 EP1302726 A1 EP 1302726A1
Authority
EP
European Patent Office
Prior art keywords
filter housing
filter
housing module
module
air
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
EP02445127A
Other languages
English (en)
French (fr)
Other versions
EP1302726B1 (de
Inventor
Lubos Bartek
Niklas Danielsson
Jan K. Andersson
Örjan Gustafsson
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.)
Flaekt Woods AB
Original Assignee
Flaekt Woods AB
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 Flaekt Woods AB filed Critical Flaekt Woods AB
Publication of EP1302726A1 publication Critical patent/EP1302726A1/de
Application granted granted Critical
Publication of EP1302726B1 publication Critical patent/EP1302726B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • 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

Definitions

  • This invention concerns a displacement ventilation device according to the preamble of claim 1.
  • a housing of the air supply means includes a cone shaped air distributor and a permeable wall allowing supply air to flow with low velocity into the room to be ventilated.
  • the modular construction allows simple and efficient adjustment of the device for different applications. This may be obtained with a limited number of filter housing modules and yet provide a plurality of variations with respect to function, output etc. As concerns the desired air-quality in different spaces, the invention provides great flexibility.
  • the filter housing module is simply replaceable and may be produced at low costs resulting in economically advantageous service and low manufacturing costs for the device. It should be noted that by "closed structure" is not intended hermetically tight, since the filter surface is air permeable. With this limitation, however, the structure formed by the filter housing module and the filter (filters) is to be regarded as a confined vessel.
  • the filter housing module is a disposable detail which is replaceable together with a filter, the service possibilities are enhanced and need of cleaning minimised. In the event that particles collected inside the filter housing module are categorised as hazardous waste, this is simply taken care of through this aspect of the invention.
  • the filter housing module is preferably manufactured economically advantageously from a synthetic material through for example vacuuming forming or through any other suitable method.
  • the filter housing module is manufactured in two halves which are sealingly attached to each other so as to form a closed chamber. This makes it possible to make the filter housing module without leaks, which is important for the function.
  • the filter is comprised of an high effective particle filter (HEPA-FILTER).
  • HEPA-FILTER high effective particle filter
  • the filter housing module may be modified with respect to its construction, and when mounting the device along a wall it is preferred that one half is provided with a filter whereas the other half is closed. When a device according to the invention is placed freely in a room, both halves may be equipped with filters.
  • fastenings means including a body having fastening elements distributed along its length, it is possible to fasten filter housing modules as desired along this length. It is also possible to fasten of number of filter housing modules in one and the same device.
  • the devising includes at least one exhaust air module being comprised of a filter housing module with an inserted exhaust air filter.
  • the exhaust air module will be placed at a higher level than the supply air module, whereby in a per se known manner, displaced warm air with a contents of small particles is advantageously disposed of through said exhaust air module.
  • the device includes at least one circulating module being comprised of a filter housing module having an inserted circulating filter.
  • a filter housing module having an inserted circulating filter.
  • circulation is achieved through a fan, and in particular it is preferred that the fan is adjustable with respect to flow, which enhances the possibilities of adaptation to the application and also to different time periods when different impurity mix situations prevail.
  • a filter device including a filter housing module for provision in a device according the above.
  • a device for displacement ventilation is shown in fig. 1 in a condition without a covering.
  • the device for displacement ventilation 1 includes a body 2, which includes two fastening means 3, 4 in the form of two vertical rails for fastening against the walls of a room.
  • the shown device for displacement ventilation 1 is intended to be mounted with the body 2 in a corner of a room, which is intended to be ventilated.
  • the fastenings means 3, 4 are provided with distributed fastening holes 5 along their vertical length for positioning, as desired, of a filter arrangement including a filter housing module 6, which carries a filter 7 in a portion of its wall.
  • the filter housing module 6 together with a filter 7 is comprised of a closed hollowed body which is fixed to the fastenings means 3, 4, firstly with the aid of a number of fastening elements 8, 8', which are adapted to co-operate with the fastening holes 5 of the fastening means 3, 4. This is achieved in such a way that open slots 8 at the ends of sideward directed flange portions 9 on the filter housing module 6 co-operate with pins, screws or the like, 8', which are inserted in the fastening holes 5. Secondly a pipe portion 11 (see below) co-operates with a hole 51 in a fastening console in the form of a plate 50 for the fixation of the second end of the filter housing module.
  • Fastening is simply achieved by the pipe portion 11, and possibly also a second pipe portion, is inserted into the hole 51, and possibly also into a second hole, whereupon the filter housing module is fixed by said co-operation between the fastening elements 8 and 8' being provided.
  • the device for displacement ventilation is a supply air terminal device and the filter housing module 6 is a supply air terminal module, which is fed with supply air through a supply air conduit 10 from a supply air channel, (not shown), which is arranged in the building, said supply air channel possibly being provided in the building and being drawn in various ways.
  • the supply air conduit 10 adjoins to the filter housing module 6 through an outgoing supply air pipe portion 11.
  • the filter housing module 6 has also a second pipe portion which in this case is not used and therefore sealed.
  • the filter housing module with its filter 7 form a closed chamber wherein a slight overpressure prevails, so as to ensure an even outflow of supply air through the entire filter surface 7 to the surrounding room.
  • valve unit R1 which is included in a valve unit R1, which may be adjustable manually or power-driven, possibly automatically adjustable as a response to signals from a control unit 18 of a ventilation system including the device for displacement ventilation 1.
  • the device of fig.1 has been supplemented in such a way that the device for displacement ventilation 13 here is comprised of a device providing supply air as well as air circulation.
  • a further filter housing module 14 is provided, which in this case is comprised of a circulating module 14 having an inserted air filter 15.
  • an air circulating conduit 16 emanates which adjoins to the supply air module 6.
  • a fan 17 is arranged in the air circulating conduit 16, said fan being arranged to provide an under-pressure inside the circulating module 14 and feed the air which is sucked into the circulating module 14 to the supply air module 6.
  • the fan 17 is adjustable so that the degree of air circulation may be controlled. This is preferably obtained with the aid of the control unit 18.
  • the layout of the circulating module 14 corresponds with that of the supply air module 6, and also this module may be fastened on the body 2 in a manner corresponding to what is described above with respect of fastening of the filter housing module 6 in connection with the explanations of fig. 1.
  • this module may be fastened on the body 2 in a manner corresponding to what is described above with respect of fastening of the filter housing module 6 in connection with the explanations of fig. 1.
  • no element corresponding to the fastening console 50 is illustrated. Possibly fastening may be made with the aid of slots corresponding to the open slots 8, which are arranged in vertically separate positions, directed upwards and downwards.
  • the device 52 shown in fig. 3 is further supplemented with respect of the device in fig. 2 by also being provided with a filter housing module 19, which is included in an exhaust air module being provided with an exhaust air filter 20 and from where an exhaust air conduit 21 leads to a central exhaust air system.
  • a filter housing module 19 which is included in an exhaust air module being provided with an exhaust air filter 20 and from where an exhaust air conduit 21 leads to a central exhaust air system.
  • an adjustment valve being included in a valve unit R2, which is controlled by the control unit 18.
  • the exhaust air module 19 is, like the other modules, fastened to the body in the manner described above.
  • Fig. 4 shows a horizontal section of a filter device 22 which includes a filter housing module with a rear half 23 and a front half 24.
  • a filter seat 25 for receiving a filter 26.
  • the filter seat 25 is in the shown example arranged along a part of the curved cylindrical surface and the filter 26 is comprised of a highly effective repeatedly folded particle filter having a very large effective filter surface as compared to the opening in the surface of the filter housing module defining the filter seat 25.
  • the filter seat has surrounding flanges for assuring secure holding of the filter and increased sealing action between the seat and the filter.
  • filters used for the placing in a filter housing module depends on the application, which means the kind of room the device is intended to be used in and which function the filter is intended to have, that is i.a. if supply air, circulated air or exhaust air is intend to be filtered.
  • the filter housing module together with the filter 26 comprises, as has been indicated above, a closed chamber, which in this case has been obtained by providing the two halves 23 and 24 with protruding flanges 27 which are connected to each other around the perimeter of the filter housing module in order to achieve a tight joint. Possibly an extra sealing element 31 is used so as to guarantee this sealing joint.
  • Different methods of manufacture may be used for the elements of the filter housing module, firstly different plastic manufacturing processes.
  • vacuum forming of the parts has been considered advantageous.
  • the halves which are shaped in such a way are subsequently preferably connected to each other through gluing, ultrasound welding or the like.
  • An alternative filter device 28 is shown in fig. 5 having double filters 29 and 30 arranged axially along each other.
  • a filter device having a filter housing module formed in this way allows a greater air-flow with maintained velocity of the air to be filtered passing through the filter material.
  • the filtering device 32 of fig. 6 includes a filter housing module made up from two halves each being equipped with a filter seat 33 and 34 respectively, in turn being equipped with a filter 35 and 36 respectively.
  • This construction of a filter housing module is suitable for example in a free standing device for ventilation, since here, in use, there will be air flowing to the left as well as to the right as seen in fig. 6.
  • the filter housing module 32 is made closed by flanges 37, possibly with a sealing element 36 being jointed in a manner corresponding to the method described with respect of fig. 4.
  • Fig. 7 shows the exterior of a deviser according to the invention placed in a corner of a room which is intended to be ventilated.
  • a covering 38 is shown which covers the inside filter housing modules, and which as an example is comprised by a formed metal plate having a perforated surface so as to be easily permeable to air.
  • Fig. 8 shows a horizontal section of the device in fig. 7 with the covering 38 which protects and conceals a filter housing module 39, which is provided with a filter 42.
  • the covering 38 is fastened to a body 38 which includes fastening means being comprised of vertical rails 40, 41.
  • fastening means being comprised of vertical rails 40, 41.
  • the covering could preferably be fastened to these rails with the aid of snap acting resilient metal tongues co-operating with snap fasteners being arranged along the rails 40 and 41 or with hook or suspension means of a kind which is known per se.
  • the invention allows great flexibility with respect to adaptation of a device according the invention to different applications and different desires with respect of ventilation.
  • a device according to the invention may be varied further, so that a plural filter housing modules having filters for the intended purpose and with the same function may be placed in one and the same device if necessary so as to achieve a suitable ventilation in the space in question.
  • the device may also be placed directly against a wall, wherein the device may have a general horizontal section which is semi-circular, semi-elliptic, rounded, rectangular or having any other suitable shape.
  • the device may also be built-in into a wall or be free-standing in a room with in that case circular or any other suitable section.
  • the fastening devices for filter housing modules may simply be adapted for the application and with different consoles, reinforcements and the like, rails corresponding to the ones that are shown in figs. 1-3 may be brought to be fastened at a distance from the rails themselves or be made self-supporting, which could be suitable in case of the device according to the invention being placed free standing.
  • a filter housing module may be manufactured differently from what has been shown.
  • the halves may be made unlike, that is for example so that the filter housing modules are unsymmetrical with respect of the joint plane.
  • filter housing modules which are constructed in any other way than through joining of halves, as has been shown above, is within the scoop of the invention and within the definition of the claims.
  • the filter seat of a filter housing module may be adapted for the filter which is intended to be inserted therein and it may also comprise means for obtaining an efficient seal between the filter and the filter seat.
  • Fastening of filter housing modules on fastening means at a body may be made differently from what is shown.
  • the filter housing modules may be provided with hook-means, holes, pins or the like for direct co-operation with corresponding elements on the fastenings means. Simple assembly and disassembly enhances mounting and service of the device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP02445127A 2001-10-15 2002-10-09 Belüftungsvorrichtung und Filtereinrichtung dafür Expired - Lifetime EP1302726B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0103418 2001-10-15
SE0103418A SE524704C2 (sv) 2001-10-15 2001-10-15 Anordning vid deplacerande ventilation och filteranordning med filterhusmodul vilken är i sin helhet utbytbar med fastsättningsorgan för lösbar fixering

Publications (2)

Publication Number Publication Date
EP1302726A1 true EP1302726A1 (de) 2003-04-16
EP1302726B1 EP1302726B1 (de) 2006-04-19

Family

ID=20285644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02445127A Expired - Lifetime EP1302726B1 (de) 2001-10-15 2002-10-09 Belüftungsvorrichtung und Filtereinrichtung dafür

Country Status (5)

Country Link
EP (1) EP1302726B1 (de)
AT (1) ATE323870T1 (de)
DE (1) DE60210723D1 (de)
NO (1) NO20024944L (de)
SE (1) SE524704C2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003069234A1 (en) * 2002-02-13 2003-08-21 3M Innovative Properties Company Filter device, method of manufacturing the same and method of replacing a filter device
WO2003095901A1 (en) * 2002-05-13 2003-11-20 Fläkt Woods AB Arrangement for displacement ventilation including a support body with connectable supporting planes for supporting devices such a filter module
WO2003095902A1 (en) * 2002-05-13 2003-11-20 Fläkt Woods AB Device for displacement ventilation including filters, sound absorbers and a fan unit supported in a block of sound absorbing material.
US11992800B2 (en) 2020-11-24 2024-05-28 Cummins Filtration Inc. Arched air filter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838556A (en) * 1973-04-06 1974-10-01 Med Assists Inc Air filtration device with oriented output
US4890544A (en) * 1986-12-30 1990-01-02 Halton Oy Air distribution system
FR2640030A1 (en) * 1988-12-07 1990-06-08 Branchu Yves Filtering vent intended for construction parts or construction elements of buildings, premises or compartments, inhabited or non-inhabited
DE4037287A1 (de) * 1989-12-29 1991-07-04 Schako Metallwarenfabrik Auslass
WO1995035466A1 (de) * 1994-06-20 1995-12-28 Girmes In-Tex Gmbh & Co. Kg. Vorrichtung zum verteilen von luft in einem raum
EP0789198A2 (de) * 1995-09-21 1997-08-13 Luwa Aktiengesellschaft Verfahren zur Klimatisierung eines Behandlungsraumes und Vorrichtung zur Durchführung des Verfahrens

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838556A (en) * 1973-04-06 1974-10-01 Med Assists Inc Air filtration device with oriented output
US4890544A (en) * 1986-12-30 1990-01-02 Halton Oy Air distribution system
FR2640030A1 (en) * 1988-12-07 1990-06-08 Branchu Yves Filtering vent intended for construction parts or construction elements of buildings, premises or compartments, inhabited or non-inhabited
DE4037287A1 (de) * 1989-12-29 1991-07-04 Schako Metallwarenfabrik Auslass
WO1995035466A1 (de) * 1994-06-20 1995-12-28 Girmes In-Tex Gmbh & Co. Kg. Vorrichtung zum verteilen von luft in einem raum
EP0789198A2 (de) * 1995-09-21 1997-08-13 Luwa Aktiengesellschaft Verfahren zur Klimatisierung eines Behandlungsraumes und Vorrichtung zur Durchführung des Verfahrens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003069234A1 (en) * 2002-02-13 2003-08-21 3M Innovative Properties Company Filter device, method of manufacturing the same and method of replacing a filter device
US7320719B2 (en) 2002-02-13 2008-01-22 3M Innovative Properties Company Filter device method of manufacturing the same and method of replacing a filter device
WO2003095901A1 (en) * 2002-05-13 2003-11-20 Fläkt Woods AB Arrangement for displacement ventilation including a support body with connectable supporting planes for supporting devices such a filter module
WO2003095902A1 (en) * 2002-05-13 2003-11-20 Fläkt Woods AB Device for displacement ventilation including filters, sound absorbers and a fan unit supported in a block of sound absorbing material.
US11992800B2 (en) 2020-11-24 2024-05-28 Cummins Filtration Inc. Arched air filter

Also Published As

Publication number Publication date
NO20024944L (no) 2003-04-16
SE524704C2 (sv) 2004-09-21
SE0103418L (sv) 2003-04-16
SE0103418D0 (sv) 2001-10-15
EP1302726B1 (de) 2006-04-19
DE60210723D1 (de) 2006-05-24
ATE323870T1 (de) 2006-05-15
NO20024944D0 (no) 2002-10-14

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