EP2503255A2 - System mit einer Gebäudedecke mit einer oder mehreren integrierten Lufteinlassverteilervorrichtungen und Metalldeckenplatten für eine Hängedecke - Google Patents

System mit einer Gebäudedecke mit einer oder mehreren integrierten Lufteinlassverteilervorrichtungen und Metalldeckenplatten für eine Hängedecke Download PDF

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Publication number
EP2503255A2
EP2503255A2 EP12160313A EP12160313A EP2503255A2 EP 2503255 A2 EP2503255 A2 EP 2503255A2 EP 12160313 A EP12160313 A EP 12160313A EP 12160313 A EP12160313 A EP 12160313A EP 2503255 A2 EP2503255 A2 EP 2503255A2
Authority
EP
European Patent Office
Prior art keywords
ceiling
air
lower side
plate
tubular
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
EP12160313A
Other languages
English (en)
French (fr)
Other versions
EP2503255B1 (de
EP2503255A3 (de
Inventor
Søren Duval Byrgesen Larsen
Kim Jørgen Heide Kronby
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.)
JS Ventilation AS
Original Assignee
JS Ventilation AS
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
Priority claimed from DKPA201100193A external-priority patent/DK177247B1/da
Application filed by JS Ventilation AS filed Critical JS Ventilation AS
Publication of EP2503255A2 publication Critical patent/EP2503255A2/de
Publication of EP2503255A3 publication Critical patent/EP2503255A3/de
Application granted granted Critical
Publication of EP2503255B1 publication Critical patent/EP2503255B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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

Definitions

  • Ventilation of office buildings etc. is normally performed to ensure a desired indoor climate in summer- and wintertime.
  • the present invention provides a low resistance to the air flow through the diffusor devices with a consequential reduction in noise and energy consumption.
  • the k r value of the air inlet diffuser device resulting from the design of the device may be in the order of 3.72, yielding a long throw length as determined by formulae l 0,2 ⁇ k r ⁇ v o ⁇ ⁇ A o ⁇ k r ⁇ ⁇ (v o ⁇ q v ), where v o is the effective inflow velocity, A o is the effective inflow area, and q v is the volume flow.
  • Traditional air inlet diffuser devices have a k r value of less than half that.
  • the design of the diffusor device ensures that air driven through the device will flow very closely against the lower side of the suspended ceiling to a relatively large distance from the diffuser device, before losing energy leading to a downward flow of the air.
  • the air may be sub-cooled to 12-13°C.
  • This sub-cooled air will spread out on the ceiling plates, being heavier than the surrounding air.
  • the integrated diffusor devices provide a flow of cub-cooled air which contributes further to the cooling.
  • the combined effect may be 100 W/m 2 floor area.
  • Fig. 1 shows schematically a ceiling system having no installations such as ventilating air ducts or cooling or heating pipes, the ceiling system having integrated air inlet diffuser devices 1.
  • the ceiling system is normally formed as a suspended ceiling C comprised by a plurality of individual four-sided metal plates or panels P, such as aluminium plates, each having an upper side US and a lower side LS.
  • the size of the plates P is selected according to the builder's specifications to obtain a desired visual appearance of the ceiling C; the plates P may, by way of example, be square with dimensions in the order of 1m x 1m.
  • the suspended ceiling may be mounted in a conventional manner, such as supported by hangers (not shown), below a fixed ceiling forming part of a building structure, to define a plenum or space S, and a fan drives air at a given temperature into this space S.
  • the plates P are delivered in standard sizes, and the suspended ceiling is constructed as a sealed structure such that air A will primarily flow from the space S through air inlet diffuser devices 1 to be discussed in further details below.
  • the present invention it is possible to obtain the aforementioned desirable flow without the need for any regulating devices, i.e. without the need for any movable parts for setting and varying the size of the flow passage of the air inlet diffuser device 1, in that the device provides for a minimum flow resistance and, hence, provides a minimum noise and energy requirement while at the same time complying with current building codes.
  • the device factor k r may be in the order of 3.72, while traditional air inlet diffuser devices have a device factor k r of less than half.
  • the air inlet diffuser device 1 will in the following be discussed in further details, a part 5 thereof being a raised portion of the plates P, which has been pressed transversally out from the plates P by a local deformation, such as by using a punching tool, of a peripheral edge or rim of a through-going aperture previously made in the plate.
  • the air inlet diffuser device 1 comprises as shown in fig. 2-4 a) an outer cylindrical tubular part 5 having an inside surface 5' and an upper free edge 8 to located above the upper side US of the plates P and b) an inner elongated air guiding part 20 which preferably is symmetrical about an axis of rotation 25, i.e. which may eg. have a conical shape with the axis 25 parallel with the longitudinal axis of the tubular part 5.
  • the tubular part 5 has at the lowermost extremity thereof a first circumferential flange 12 with a lower surface 12' and being defined by a portion of the plate P in that the lower surface 12' of the part 5 is an area of the lower surface LS of the plate P.
  • the air guiding part 20 is preferably fixed to the tubular part 5 so as to be immovable during use of the device 1 in the building.
  • the apex T of the air guiding part 20 is maintained located at a distance d4 below the edge 8 corresponding to 25%-75%, or 40% - 60%, of a distance d3 between the first circumferential flange 12 and the upper free edge 8.
  • the ceiling system may be used in all types of buildings with a need for ventilation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Duct Arrangements (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP12160313.8A 2011-03-21 2012-03-20 System mit einer Gebäudedecke mit einer oder mehreren integrierten Lufteinlassverteilervorrichtungen und Metalldeckenplatten für eine Hängedecke Active EP2503255B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201100193A DK177247B1 (da) 2011-03-21 2011-03-21 Installationsløst teknikloft med integreret indblæsningsarmatur til luftkonditionering af indeklima i bygninger
DK201100841A DK177703B1 (da) 2011-03-21 2011-10-31 Et luftindblæsningsarmatur, samt et loftsystem med luftindblæsningsarmaturet

Publications (3)

Publication Number Publication Date
EP2503255A2 true EP2503255A2 (de) 2012-09-26
EP2503255A3 EP2503255A3 (de) 2014-07-30
EP2503255B1 EP2503255B1 (de) 2021-05-12

Family

ID=45930579

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12160315.3A Active EP2503256B1 (de) 2011-03-21 2012-03-20 Lufteinlassverteilervorrichtung und System mit einer Gebäudedecke mit einer oder mehreren integrierten Lufteinlassverteilervorrichtungen
EP12160313.8A Active EP2503255B1 (de) 2011-03-21 2012-03-20 System mit einer Gebäudedecke mit einer oder mehreren integrierten Lufteinlassverteilervorrichtungen und Metalldeckenplatten für eine Hängedecke

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12160315.3A Active EP2503256B1 (de) 2011-03-21 2012-03-20 Lufteinlassverteilervorrichtung und System mit einer Gebäudedecke mit einer oder mehreren integrierten Lufteinlassverteilervorrichtungen

Country Status (2)

Country Link
EP (2) EP2503256B1 (de)
DK (1) DK177703B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015122832A1 (en) * 2014-02-11 2015-08-20 Lindab Ab Ventilation device with varying air velocity
CN107588520A (zh) * 2017-09-28 2018-01-16 衡阳泰豪通信车辆有限公司 一种兼具分流和消音功能的风道分流器
CN114623491A (zh) * 2020-12-09 2022-06-14 Lg电子株式会社 空调

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4390264A1 (de) 2022-12-22 2024-06-26 Renson NV Eine ventilvorrichtung zur verwendung in einem belüftungssystem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403614A (en) 1967-04-28 1968-10-01 Bendix Corp Environmental enclosure with ceiling air plenum
WO1998051978A2 (en) 1997-05-16 1998-11-19 Work Smart Energy Enterprises, Inc. High-efficiency air-conditioning system with high-volume air distribution

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190937A (en) * 1938-06-08 1940-02-20 Demuth Charles Air conditioning register
GB553283A (en) * 1942-01-23 1943-05-14 Eugene Chaudoir Air diffuser and regulator
US3303771A (en) * 1965-02-11 1967-02-14 Robert J Sigel Inc Ventilated ceiling construction
DE2105077A1 (de) * 1971-02-04 1972-08-10 Herbst D Vorrichtung zum gleichmäßigen Verteilen von Luft innerhalb von an Luftverteilkanäle einer Klimaanlage angeschlossenen Räumen
SE7810734L (sv) * 1978-10-13 1980-04-14 Lind Leif Ingemar Flodesfordelningsdon samt tilluftskerm forsedd med sadant don
DK457382A (da) * 1982-10-15 1984-04-16 Staehr Turbovent Ventilationsanlaeg med sprededyser, navnlig til staldbygninger
JPH029713U (de) * 1988-06-29 1990-01-22
CA2223751C (en) * 1995-06-07 2002-10-01 Osborne Industries, Inc. Method and means for improved ceiling ventilation
DE19730180C2 (de) * 1997-07-15 2000-11-30 Wilhelmi Werke Ag Verfahren zur Raumklimatisierung und Klimadecke für ein solches Verfahren
EP1334316B1 (de) * 2000-10-26 2006-02-08 Lindinvent AB Ventil für variable strömungen, feuerklappe und kombinierte feuerklappe und ventil für variable strömungen
US7000634B2 (en) * 2000-10-26 2006-02-21 Lindinvent Ab Adjustable valve for variable flows and a method for reducing flow 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403614A (en) 1967-04-28 1968-10-01 Bendix Corp Environmental enclosure with ceiling air plenum
WO1998051978A2 (en) 1997-05-16 1998-11-19 Work Smart Energy Enterprises, Inc. High-efficiency air-conditioning system with high-volume air distribution

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015122832A1 (en) * 2014-02-11 2015-08-20 Lindab Ab Ventilation device with varying air velocity
WO2015122831A1 (en) * 2014-02-11 2015-08-20 Lindab Ab Ventilation device with reduced sound generation
US10443887B2 (en) 2014-02-11 2019-10-15 Lindab Ab Ventilation device with varying air velocity
CN107588520A (zh) * 2017-09-28 2018-01-16 衡阳泰豪通信车辆有限公司 一种兼具分流和消音功能的风道分流器
CN114623491A (zh) * 2020-12-09 2022-06-14 Lg电子株式会社 空调
CN114623491B (zh) * 2020-12-09 2023-11-14 Lg电子株式会社 空调

Also Published As

Publication number Publication date
EP2503256A2 (de) 2012-09-26
EP2503255B1 (de) 2021-05-12
DK201100841A (da) 2012-09-22
EP2503256A3 (de) 2014-08-20
EP2503255A3 (de) 2014-07-30
DK177703B1 (da) 2014-03-24
EP2503256B1 (de) 2020-08-12

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