DK177703B1 - An air supply luminaire, as well as a ceiling system with the air supply luminaire - Google Patents
An air supply luminaire, as well as a ceiling system with the air supply luminaire Download PDFInfo
- Publication number
- DK177703B1 DK177703B1 DK201100841A DKPA201100841A DK177703B1 DK 177703 B1 DK177703 B1 DK 177703B1 DK 201100841 A DK201100841 A DK 201100841A DK PA201100841 A DKPA201100841 A DK PA201100841A DK 177703 B1 DK177703 B1 DK 177703B1
- Authority
- DK
- Denmark
- Prior art keywords
- air
- tube
- end edge
- ceiling
- axis
- Prior art date
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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
- F24F13/02—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
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- 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
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
-
- 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
-
- 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
- F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
Abstract
Opfindelsen angår et luftindblæsningsarmatur (1) omfattende a) et ydre cylindrisk rør (5) med en indvendig overflade (5') og en øvre fri endekant (8) og b) et indre aflangt luftledeparti (20) fastmonteret i førnævnte ydre cylindriske rør (5), der er omdrejningssymmetrisk om en rotationsakse (25), samt et loft med luftindblæs- ningsarmaturet (1) og af den art der har et plenum (S) mellem et egentligt bygningsloft og nedhængte loftsplader (P).The invention relates to an air supply fitting (1) comprising a) an outer cylindrical tube (5) with an inner surface (5 ') and an upper free end edge (8) and b) an inner elongate air guide portion (20) mounted in the aforementioned outer cylindrical tube (5). 5), which is symmetrical about rotation about an axis of rotation (25), as well as a ceiling with the air supply luminaire (1) and of the kind that has a plenum (S) between an actual building ceiling and suspended ceiling panels (P).
Description
1 DK 177703 B11 DK 177703 B1
Et luftindblæsningsarmatur, samt et loftsystem med luft-indblæsningsarmaturetAn air supply luminaire, and a ceiling system with the air supply luminaire
Opfindelsen angår et luftindblæsningsarmatur, samt et 5 loftsystem med luftindblæsningsarmaturet og uden ventilationskanaler, køle- og varmerør med integrerede indblæs-ningsarmaturer, således som angivet i den indledende del af henholdsvis krav 1 og 4.BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an air supply fitting, as well as a ceiling system with the air supply fitting and without ventilation ducts, cooling and heating pipes with integrated supply air fittings, as stated in the preamble of claims 1 and 4 respectively.
10 I dag er ventilation i kontorbygninger m.v. en nødvendighed, da der skal sikres et tilfredsstillende indeklima, både i sommer- og vintermåneder.10 Today, ventilation in office buildings, etc. a necessity as a satisfactory indoor climate must be ensured, both in summer and winter months.
Et armatur og et system som nævnt indledningsvis er kendt 15 fra W098/51 978 samt US 3 403 614. Fra WO 9639808 er kendt et luftindblæsningsarmatur omfattende et ydre rør med en øvre overkant og et indre aflangt luftlederparti, hvor røret er således udformet at der nederst på røret er en rundtgående flange med en nedre overlade, og hvor rø-20 rets indvendige overflade går jævnt over i den nedre overflade. Det fra WO 9639808 kendte luftlederparti er bevægeligt monteret centralt i førnævnte ydre rør.A luminaire and a system as mentioned initially are known from WO98 / 51,978 and US 3,403,614. From WO 9639808 there is known an air supply luminaire comprising an outer tube having an upper upper edge and an inner elongated air conductor portion, the tube being designed so that at the bottom of the tube is a circumferential flange with a lower surface, and the inner surface of the tube 20 evenly extending into the lower surface. The air conductor portion known from WO 9639808 is movably mounted centrally in the aforementioned outer pipe.
Det er et problem ved den kendte lofters armaturer, at 25 man for at muliggøre en stor variation i luftmængden har behov for at udforme armaturerne med et indbygget variér-bart reguleringssystem, dvs. et mekanisk indstilleligt spjæld, samtidig med at de kendte lofters armaturer ikke i nævneværdigt omfang sikrer at den indblæste luft "klæ-30 ber" til undersiden af loftet. Endvidere er det et problem, at armaturerne rager ganske meget ned fra loftets underside.It is a problem with the luminaires of the known ceiling that in order to enable a large variation in the air volume, it is necessary to design the luminaires with a built-in variable control system, ie. a mechanically adjustable damper, while the luminaires of the known ceilings do not to a considerable extent ensure that the blown air "adheres" to the underside of the ceiling. Furthermore, it is a problem that the luminaires project down quite a lot from the underside of the ceiling.
DK 177703 B1 2DK 177703 B1 2
Disse problemer løses ved opfindelsen som defineret i kravene, idet der er der skabt en i høj grad ideel udformning, som genererer et minimum af modstand og dermed minimering af støj samt energiforbrug. Armaturets faktor 5 kr-værdi kan være i størrelsesordenen 3,72. Traditionelle armaturer har en kr-værdi på under det halve. Armaturets udformning sikrer, at den indblæste luft med et lille energiforbrug kan bringes til i vidt omfang at strømme ganske tæt mod undersiden af loftet indtil en ganske stor 10 afstand fra armaturet, før luften taber sin energi og begynder at strømme nedad.These problems are solved by the invention as defined in the claims, since a highly ideal design has been created which generates a minimum of resistance and thus minimization of noise and energy consumption. The luminous factor of DKK 5 can be in the order of 3.72. Traditional fixtures have a value of less than half. The design of the luminaire ensures that, with a small energy consumption, the blown air can be caused to flow very close to the underside of the ceiling to a very large distance from the luminaire before the air loses its energy and starts to flow downwards.
Tegningen viser en foretrukket udførelsesform for opfindelsen, og vil i det følgende blive nærmere forklaret.The drawing shows a preferred embodiment of the invention and will be explained in more detail below.
1515
Fig. 1 viser et eksempel på et loftsystem ifølge opfindelsen, ogFIG. 1 shows an example of a ceiling system according to the invention, and
Fig. 2-4 viser forskellige luftudblæsningsarmaturer til 20 anvendelse i loftsystemet i fig. 1.FIG. 2-4 show various air exhaust fittings for use in the ceiling system of FIG. First
Fig. 1 viser et installationsfrit loftsystem uden ventilationskanaler, køle- og varmerør, og med integrerede indblæsningsarmaturer 1. Loftsystemet er normalt et ned-25 hængt loft C, der er opbygget af et antal individuelle firkantede metalplader, såsom aluminiumsplader, P med en overside US og en underside LS. Størrelsen af pladerne P vælges på baggrund af bygherrens ønsker om loftets C udseende .FIG. 1 shows an installation-free ceiling system without ventilation ducts, cooling and heating pipes, and with integrated blow-in fittings 1. The ceiling system is usually a suspended ceiling C, which is made up of a number of individual square metal plates, such as aluminum sheets, P with an upper side US and a underside LS. The size of the plates P is chosen on the basis of the builder's wishes about the appearance of the ceiling C.
3030
Det nedhængte loft kan være monteret på konventionel måde under et bygningsloft under dannelse af et plenum eller hulrum S, og en blæser driver luft med en forudbestemt temperatur ind i dette hulrum S. Pladerne P leveres i 3 DK 177703 B1 standard størrelser, og loftet er udformet som en tæt konstruktion, så luft A primært strømmer ned fra hulrummet S gennem armaturer 1, der er nærmere beskrevet nedenfor .The suspended ceiling can be mounted in a conventional manner under a building ceiling to form a plenum or cavity S, and a blower drives air of a predetermined temperature into this cavity S. The plates P are delivered in standard sizes and the ceiling is designed as a dense structure, so that air A primarily flows down from the cavity S through luminaires 1, which are further described below.
5 I det viste loft er der, i en del af pladerne P, udpresset et parti 5 af et til loftet hørende indblæsningsarma-tur 1 til indblæsning af luft A. Alternativt kan indblæs-ningsarmaturet være konstrueret som en komponent med det 10 nævnte parti 5, som monteres i pladerne P. Antallet og størrelsen af de enkelte indblæsningsarmaturer 1 vælges på baggrund af den samlede mængde varmebelastning, der tilføres det enkelte underliggende lokale R fra solindfald, maskiner, edb, personer og almen belysning.5 In the ceiling shown, in a portion of the plates P, a portion 5 of a ceiling-blowing air supply unit 1 for blowing air A. is extruded. Alternatively, the supply unit may be constructed as a component with the said portion 5. , which is mounted in the plates P. The number and size of the individual supply luminaires 1 are selected on the basis of the total amount of heat load applied to the individual underlying local R from solar incidence, machinery, computer, persons and general lighting.
15 På baggrund af den samlede varmebelastning kan den dimensionerede luftmængde findes for det enkelte lokale R via et til loftsystemet hørende dimensioneringsprogram. Størrelse, antal og placering af indblæsningsarmaturer 1 kan 20 beregnes ved hjælp af dette dimensioneringsprogram. Der er endvidere mulighed for at integrere vilkårlige typer af lysarmaturer (ikke vist) i loftsystemet. Loftsystemet kan anvendes i alle former for byggerier, hvor der er ønske eller krav om ventilation.15 Based on the total heat load, the dimensioned airflow can be found for the individual room R via a ceiling program belonging to the ceiling system. The size, number and position of supply fittings 1 can be calculated using this sizing program. It is also possible to integrate any type of lighting fixture (not shown) in the ceiling system. The ceiling system can be used in all types of buildings where there is a desire or requirement for ventilation.
2525
Udformningen af indblæsningsarmaturet 1 er valgt med det formål at kunne bære en stor variation af den indblæste luftmængde og samtidig opretholde den ønskede evne til at "klæbe" den indblæste luft til undersiden af loftet C; 30 det er således vigtigt at sikre at den indblæste luft A strømmer så længe som muligt langs med undersiden LS af pladerne.The design of the inlet luminaire 1 is selected for the purpose of being able to carry a large variation in the amount of air supplied while maintaining the desired ability to "adhere" the inlet air to the underside of the ceiling C; Thus, it is important to ensure that the blown air A flows as long as possible along the underside LS of the plates.
4 DK 177703 B14 DK 177703 B1
Dette har ved opfindelsen vist sig muligt at opnå uden indbygning af reguleringssystemer, dvs. uden behov for bevægelige indstillingskomponenter til indstilling af vidden af armaturets udstrømningspassage, idet der er 5 sikret et minimum af luftmodstand og dermed minimum af støj samt energiforbrug samtidig med at de gældende komfortkrav overholdes. Armaturets faktor kr er 3,72, mens traditionelle armaturer typisk har en kr-værdi på under det halve.This has proved possible in the invention without the incorporation of control systems, ie. without the need for moving adjusting components to adjust the width of the luminaire outlet passage, ensuring a minimum of air resistance and thus minimum noise and energy consumption while complying with the applicable comfort requirements. The luminaire factor of DKK is 3.72, while traditional luminaires typically have a value of less than half.
1010
Indblæsningsarmaturet 1 vil i det følgende blive beskrevet nærmere, i forbindelse med en udførelsesform, hvor et cylindrisk rør 5 er presset ud af loftets C metalplader P. Ved at presse røret 5 ud af pladen, opnås et ensartet 15 udtryk af plader i loftet C uden og med indblæsningsarmaturet 1.The blower luminaire 1 will be described in more detail below in connection with an embodiment in which a cylindrical tube 5 is pressed out of the metal plates P. of the ceiling C. By pressing the tube 5 out of the plate, a uniform expression of plates in the ceiling C is obtained without and with the inlet luminaire 1.
Luftindblæsningsarmaturet omfatter som vist i fig. 2-4 nærmere bestemt et ydre cylindrisk rør 5 med en indvendig 20 overflade 5' og en øvre fri endekant 8 og et indre aflangt luftledeparti 20, der er omdrejningssymmetrisk om en rotationsakse 25. Nederst på røret 5 er der en første rundgående flange 12 med en nedre overflade 12' . Rørets 5 indvendige overflade 5' går jævnt over i den nedre over-25 flade 12' via en krum overgangsflade 7, og luftledeparti-et 20 er monteret centralt inde i det cylindriske rør 5, så afstanden d2 til røret 5 vinkelret på rotationsaksen 25 aftager jævnt i retning fra den øvre endekant 8. Derved dannes en strømningspassage 3 mellem røret 5 og luft-30 ledepartiet 20, der snævrer sig gradvist til. Luftiede-partiet 20 går nederst, fjernest fra den øvre endekant 8 over i en anden rundgående flange 22, der sammen med den nævnte nedre overflade 12' danner en rundgående og vandret luftudstrømningsspalte 2, der orienterer den ud- 5 DK 177703 B1 strømmende luft ud vinkelret på rotationsaksen 25. Det vil forstås, at luftledepartiet 20 monteres fast og under anvendelse ubevægelig i forhold til røret 5, f.eks. ved en sammenskruning.As shown in FIG. 2-4, in particular, an outer cylindrical tube 5 with an inner 20 surface 5 'and an upper free end edge 8 and an inner elongated air guide portion 20 which is rotationally symmetrical about a axis of rotation 25. At the bottom of the tube 5 is a first circular flange 12 with a lower surface 12 '. The inner surface 5 'of the tube 5 extends smoothly into the lower surface 12' via a curved transition surface 7, and the air guide portion 20 is mounted centrally within the cylindrical tube 5 so that the distance d2 to the tube 5 perpendicular to the axis of rotation 25 decreases. evenly in the direction from the upper end edge 8. Thereby, a flow passage 3 is formed between the tube 5 and the air-30 guide portion 20 which gradually narrows. The air portion 20 extends at the bottom, farthest from the upper end edge 8, into a second circular flange 22 which together with said lower surface 12 'forms a circular and horizontal air outflow slot 2 which directs the air flowing out. perpendicular to the axis of rotation 25. It will be appreciated that the air guide portion 20 is fixedly fixed and in use motionless relative to the tube 5, e.g. by a collision.
55
Som vist er luftudstrømningsspalten 2 fri for indsnævringer, og røret 5 har i den viste udførelsesform et cirkulært tværsnit. Samtidig er det vist hvorledes luftledepartiet 20 i dets helhed fortrinsvis befinder sig under 10 den øvre endekant 8 af røret; derved opnås en særlig kompakt løsning, samtidig med at den afstand røret 5 rager opad over undersiden LS af pladerne P giver en art "badekars-effekt" i form af et kar, hvori kold luft opvarmes og opvarmet stiger opad for derefter at blive blæst nedad 15 ud gennem armaturet 1. Fig. 2-4 viser forskellige udformninger af et overgangsområde 20" mellem luftledepartiet 20 og den rundgående flange 22 samt af selve luftledepartiet 20.As shown, the air outflow slot 2 is free of constrictions, and the tube 5 has a circular cross section in the embodiment shown. At the same time, it is shown how the air duct portion 20 in its entirety is preferably below the upper end edge 8 of the tube; thereby obtaining a particularly compact solution, while the distance the tube 5 projects upwards above the underside LS of the plates P gives a kind of "bathtub effect" in the form of a vessel in which cold air is heated and heated rises upwards and then blows downwards 15 through the luminaire 1. FIG. 2-4 show various designs of a transition area 20 "between the air guide portion 20 and the circular flange 22 as well as of the air conductor portion 20 itself.
20 Under brug fremfører systemet installationsløst den ønskede varme eller køleeffekt til det enkelte lokale R.20 During use, the system installs the desired heat or cooling effect to the individual room R.
Luften fremføres i hulrummet S, uden brug af tekniske installationer, over det nedhængte loft C. Den underkølede luft med en temperatur på f.eks. 13 °C fordeler sig pga.The air is fed into the cavity S, without the use of technical installations, above the suspended ceiling C. The undercooled air with a temperature of e.g. 13 ° C is distributed due to
25 temperaturgradienten ud over oversiden US af pladerne P og derved nedkøles pladernes P underside LS til en temperatur på f.eks. 17 °C, hvilket generer kølestråling ned til lokalet R. De nyudviklede indblæsningsarmaturer 1 blæser den underkølede luft ind på undersiden LS af pla-30 derne P og bidrager med en yderligere køling til lokalet R. Den samlede køleeffekt kan eksempelvis være på op til 100 w/m2 gulvareal, hvilket til dato ikke kan opnås. Samtidig opretholdes det høje komfort niveau iht. gældende normer.25, the temperature gradient beyond the upper US of the plates P, thereby cooling the underside LS of the plates P to a temperature of e.g. 17 ° C, which generates cooling radiation down to room R. The newly developed blow-in luminaires 1 blow the undercooled air into the underside LS of the plates P and contribute further cooling to room R. For example, the total cooling effect can be up to 100 w / m2 floor area, which to date cannot be obtained. At the same time, the high comfort level is maintained in accordance with current standards.
. DK 177703 B1. DK 177703 B1
OISLAND
Loftssystemet kan anvendes i alle former for byggerier, hvor der er ønske eller krav om ventilation.The ceiling system can be used in all types of buildings where there is a desire or requirement for ventilation.
5 Det bemærkes at den viste løsning, hvor røret 5 er en integreret del af pladerne P giver en særlig kompakt løsning med mulighed for at luft A kan strømme ud ganske tæt langs med undersiden LS; man kan dog udmærket tænke sig en alternativ løsning, hvor armaturet 1 er udformet med 10 den nævnte første rundgående flange 12 beregnet til at blive forbundet med pladerne P, der således blot vil være udformet med et gennemgående hul til optagelse af røret 5.5 It should be noted that the solution shown, in which the pipe 5 is an integral part of the plates P, provides a particularly compact solution with the possibility that air A can flow out quite closely along the underside LS; however, an alternative solution is well conceivable, in which the fixture 1 is formed with 10 said first circular flange 12 intended to be connected to the plates P, which will thus only be formed with a through hole for receiving the tube 5.
Claims (9)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK201100841A DK177703B1 (en) | 2011-03-21 | 2011-10-31 | An air supply luminaire, as well as a ceiling system with the air supply luminaire |
| EP12160315.3A EP2503256B1 (en) | 2011-03-21 | 2012-03-20 | An air inlet diffuser device, and a system including a building ceiling having one or more air inlet diffuser devices |
| EP12160313.8A EP2503255B1 (en) | 2011-03-21 | 2012-03-20 | A system including a building ceiling having one or more integrated air inlet diffuser devices, and a metal ceiling plate for a suspended ceiling |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201100193A DK177247B1 (en) | 2011-03-21 | 2011-03-21 | Installationless technical ceiling with integrated supply air luminaire for air conditioning of indoor climate in buildings |
| DK201100193 | 2011-03-21 | ||
| DK201100841A DK177703B1 (en) | 2011-03-21 | 2011-10-31 | An air supply luminaire, as well as a ceiling system with the air supply luminaire |
| DK201100841 | 2011-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK201100841A DK201100841A (en) | 2012-09-22 |
| DK177703B1 true DK177703B1 (en) | 2014-03-24 |
Family
ID=45930579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK201100841A DK177703B1 (en) | 2011-03-21 | 2011-10-31 | An air supply luminaire, as well as a ceiling system with the air supply luminaire |
Country Status (2)
| Country | Link |
|---|---|
| EP (2) | EP2503255B1 (en) |
| DK (1) | DK177703B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE541076C2 (en) * | 2014-02-11 | 2019-03-26 | Lindab Ab | Ventilator with muffler. |
| CN107588520A (en) * | 2017-09-28 | 2018-01-16 | 衡阳泰豪通信车辆有限公司 | A kind of air channel current divider for having shunting and silencing function concurrently |
| KR20220081614A (en) * | 2020-12-09 | 2022-06-16 | 엘지전자 주식회사 | Air-conditioner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB553283A (en) * | 1942-01-23 | 1943-05-14 | Eugene Chaudoir | Air diffuser and regulator |
| WO1996039808A1 (en) * | 1995-06-07 | 1996-12-19 | Osborne Industries, Inc. | Method and means for improved ceiling ventilation |
| US20040061087A1 (en) * | 2000-10-26 | 2004-04-01 | Herman Lindborg | Adjustable valve for variable flows and a method for reducing flow through a valve |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2190937A (en) * | 1938-06-08 | 1940-02-20 | Demuth Charles | Air conditioning register |
| US3303771A (en) * | 1965-02-11 | 1967-02-14 | Robert J Sigel Inc | Ventilated ceiling construction |
| US3403614A (en) | 1967-04-28 | 1968-10-01 | Bendix Corp | Environmental enclosure with ceiling air plenum |
| DE2105077A1 (en) * | 1971-02-04 | 1972-08-10 | Herbst D | Device for the even distribution of air within rooms connected to the air distribution ducts of an air conditioning system |
| SE7810734L (en) * | 1978-10-13 | 1980-04-14 | Lind Leif Ingemar | FLOOD DISTRIBUTOR AND AIR SUPPLY PROTECTED WITH SADANT DON |
| DK457382A (en) * | 1982-10-15 | 1984-04-16 | Staehr Turbovent | VENTILATION SYSTEM WITH SPREADING NOZZERS, NECESSARY FOR HOUSE BUILDINGS |
| JPH029713U (en) * | 1988-06-29 | 1990-01-22 | ||
| BR9809832A (en) | 1997-05-16 | 2000-06-20 | Work Smart Energy Enterproses | High efficiency air conditioning system with high volume air distribution. |
| DE19730180C2 (en) * | 1997-07-15 | 2000-11-30 | Wilhelmi Werke Ag | Process for air conditioning and ceiling for such a process |
| DE60120457T2 (en) * | 2000-10-26 | 2006-10-12 | Lindinvent Ab | ADJUSTABLE VALVE FOR VARIABLE FLOWS AND METHOD FOR REDUCING A CURRENT THROUGH A VALVE |
| US6945866B2 (en) * | 2002-05-17 | 2005-09-20 | Airfixture L.L.C. | Method and apparatus for delivering conditioned air using pulse modulation |
-
2011
- 2011-10-31 DK DK201100841A patent/DK177703B1/en active
-
2012
- 2012-03-20 EP EP12160313.8A patent/EP2503255B1/en active Active
- 2012-03-20 EP EP12160315.3A patent/EP2503256B1/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB553283A (en) * | 1942-01-23 | 1943-05-14 | Eugene Chaudoir | Air diffuser and regulator |
| WO1996039808A1 (en) * | 1995-06-07 | 1996-12-19 | Osborne Industries, Inc. | Method and means for improved ceiling ventilation |
| US20040061087A1 (en) * | 2000-10-26 | 2004-04-01 | Herman Lindborg | Adjustable valve for variable flows and a method for reducing flow through a valve |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2503256B1 (en) | 2020-08-12 |
| EP2503255A2 (en) | 2012-09-26 |
| EP2503255B1 (en) | 2021-05-12 |
| DK201100841A (en) | 2012-09-22 |
| EP2503255A3 (en) | 2014-07-30 |
| EP2503256A3 (en) | 2014-08-20 |
| EP2503256A2 (en) | 2012-09-26 |
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