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WO2000042267A1 - Dispositif de distribution d'air utilise dans un systeme de ventilation - Google Patents

Dispositif de distribution d'air utilise dans un systeme de ventilation Download PDF

Info

Publication number
WO2000042267A1
WO2000042267A1 PCT/SE1999/002462 SE9902462W WO0042267A1 WO 2000042267 A1 WO2000042267 A1 WO 2000042267A1 SE 9902462 W SE9902462 W SE 9902462W WO 0042267 A1 WO0042267 A1 WO 0042267A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
subfloor
joist
foot
plate body
Prior art date
Application number
PCT/SE1999/002462
Other languages
English (en)
Inventor
Mathias Ohlsson
Bengt Steneby
Original Assignee
Nivell System 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 Nivell System Ab filed Critical Nivell System Ab
Priority to AU21368/00A priority Critical patent/AU2136800A/en
Publication of WO2000042267A1 publication Critical patent/WO2000042267A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02044—Separate elements for fastening to an underlayer
    • E04F2015/0205—Separate elements for fastening to an underlayer with load-supporting elongated furring elements between the flooring elements and the underlayer
    • E04F2015/02055—Separate elements for fastening to an underlayer with load-supporting elongated furring elements between the flooring elements and the underlayer with additional supporting elements between furring elements and underlayer
    • E04F2015/02061—Separate elements for fastening to an underlayer with load-supporting elongated furring elements between the flooring elements and the underlayer with additional supporting elements between furring elements and underlayer adjustable perpendicular to the underlayer

Definitions

  • the distribution of the ventilating air and a drop in pressure occurs above the flooring layer so that the whole space between the subfloor and the flooring layer is subject to a lowered pressure.
  • the air-pervious skirting-board can be designed in a multitude of different ways. For instance, it can have evenly distributed cut-outs to provide room for air to pass or it can be mounted on site with spacer blocks . To negotiate turned-up carpet ends, in the latter case, a fillet is needed on the top side to cover the edge of the carpet.
  • the air-pervious skirting-board itself must be correctly executed and sealed in its join with the floor or carpet so that dust or cleaning water is not drawn in under the fillet and down underneath the floor, as the pressure is lower behind the fillet on its underside than in the room.
  • the air-distribution system in accordance with the invention is characterized in that it comprises an elongate plate-shaped body, rigidly mounted to the joist located nearest said openings for the air-inlet devices, which plate body includes a flat waist part, a foot part, a top part, which foot and top parts extend along the long sides of the waist part and are flexibly connected to the waist part by way of joints that are parallel to each other, and, further, a plurality of spacers arranged adjoining the foot part to create an air gap between the foot part and the subfloor at the anchorage of the plate body to the subfloor, which plate body is arranged to be anchored to said joist by means of its top part with the waist part sloping down towards the subfloor at an acute angle and forming an obtuse angle with the foot part and an obtuse or acute angle with the top part, the air gap being arranged to provide a pressure drop in the ventilation air passing through the same.
  • Figures 1-5 show schematically parts of a floor construction in a building with walls 1 and a rigid supporting foundation or subfloor 2, usually of concrete, which can range from smooth to relatively uneven and bumpy.
  • the walls 1 are outer walls, each comprising a ground sill 3.
  • the floor construction comprises a flooring 4, which together with the foundation 2 defines a space 5, and a plurality of joists 6 that carry the flooring 4.
  • the joists 6 are provided with angled plates (not shown) to support insulation sheets, which are thereby spaced from the foundation 2.
  • Each joist 6 is provided with a plurality of vertical holes 7 drilled through it and arranged at a pre-determined distance from each other.
  • the drill holes 7 have a threading with small pitch.
  • the floor construction is ventilated by a ventilation system, comprising a suction source (not shown) , which can be a wall-mounted fan in connection with said space 5 underneath the floor construction via a pipe system, comprising a pipe 11, to extract air from the space 5, as indicated by arrows in Figure 1.
  • the supply air to the space 5 underneath the floor construction is provided by the room 12 and thus consists of warm indoor air.
  • the ventilation system comprises a plurality of air-inlet devices 13, arranged at pre-determined locations on the floor construction adjacent to a wall 1, whereby the supply air flows into and through the air-inlet devices 13 and further down into said channel 10 of the space 5 via an opening 14 in the floor construction.
  • the ventilation system can favourably be dimensioned in accordance with the technique described in patent specification SE-509 097.
  • the plate-shaped body 16 is anchored to the foundation 2 by way of sleeved screws 21 that are inserted through the pre-drilled holes 28 in the foot part 18 and through the plastic bushings 26 and screwed into the foundation 2, the foot part 18 adjusting itself to accommodate any unevenness in the foundation 2, thanks to its yielding property, so that the air gap 27 obtains a virtually uniform height along the foot part 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Floor Finish (AREA)

Abstract

La présente invention concerne un dispositif de distribution d'air utilisé dans un système de ventilation destiné à un faux-plancher (2) supportant une structure de plancher sur une pluralité de solives (6) elles-mêmes supportées par des vis (8) de réglage du niveau pour créer ainsi un espace vide (5) entre le faux-plancher et la structure de plancher, le système de ventilation comportant des dispositifs (13) d'entrée d'air qui sont en communication ouverte avec une ouverture (14) ménagée dans la structure de plancher débouchant dans ledit espace. Conformément à l'invention, le dispositif comprend un corps (16) allongé en forme de plaque qui est monté sur la solive (6a) au plus près des ouvertures des dispositifs d'entrée d'air, et qui présente une partie intermédiaire (17), une partie (18) de base et une partie supérieure (19), les deux dernières parties mentionnées étant reliées de manière souple à la partie intermédiaire. Le dispositif comprend en outre des éléments espaceurs (26) situés au niveau de la partie de base qui créent une lame d'air (27) entre ce dernier et le faux-plancher. Le corps de la plaque (16) est fixé à la solive (6a) à l'aide de la partie supérieure et au faux-plancher par la partie de base. La partie intermédiaire forme un angle obtus avec la partie de base.
PCT/SE1999/002462 1999-01-13 1999-12-22 Dispositif de distribution d'air utilise dans un systeme de ventilation WO2000042267A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU21368/00A AU2136800A (en) 1999-01-13 1999-12-22 Air-distribution device in a ventilation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9900058-0 1999-01-13
SE9900058A SE513398C2 (sv) 1999-01-13 1999-01-13 Luftfördelningsanordning i ett ventilationssystem

Publications (1)

Publication Number Publication Date
WO2000042267A1 true WO2000042267A1 (fr) 2000-07-20

Family

ID=20414062

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1999/002462 WO2000042267A1 (fr) 1999-01-13 1999-12-22 Dispositif de distribution d'air utilise dans un systeme de ventilation

Country Status (3)

Country Link
AU (1) AU2136800A (fr)
SE (1) SE513398C2 (fr)
WO (1) WO2000042267A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003089846A1 (fr) * 2002-04-15 2003-10-30 Andrew Boniface Element de separation d'air et systeme de passage d'air
EP1475574A3 (fr) * 2003-05-09 2009-08-12 Hertig Knut AB Plancher ventilé avec un panneau de plancher et sa méthode de fabrication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004441A1 (fr) * 1984-03-22 1985-10-10 Nyboverken Ab Installation pour ameliorer la ventilation de plancher et procede d'utilisation de cette installation
SE501517C2 (sv) * 1993-07-01 1995-03-06 Nivell System Ab Regel, med distansinställningsdon för bildning av luftspalt till underlaget
SE507274C2 (sv) * 1996-10-07 1998-05-04 Flaekt Ab Luftbehandlingsaggregat innefattande hus rymmande radialfläkt innefattande styrmedel i form av plåt för att förhindra rotering av inkommande luftström
SE509097C2 (sv) * 1997-04-23 1998-12-07 Nivell System Ab Metod för att installera ett ventilationssystem och anordning därtill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004441A1 (fr) * 1984-03-22 1985-10-10 Nyboverken Ab Installation pour ameliorer la ventilation de plancher et procede d'utilisation de cette installation
SE501517C2 (sv) * 1993-07-01 1995-03-06 Nivell System Ab Regel, med distansinställningsdon för bildning av luftspalt till underlaget
SE507274C2 (sv) * 1996-10-07 1998-05-04 Flaekt Ab Luftbehandlingsaggregat innefattande hus rymmande radialfläkt innefattande styrmedel i form av plåt för att förhindra rotering av inkommande luftström
SE509097C2 (sv) * 1997-04-23 1998-12-07 Nivell System Ab Metod för att installera ett ventilationssystem och anordning därtill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003089846A1 (fr) * 2002-04-15 2003-10-30 Andrew Boniface Element de separation d'air et systeme de passage d'air
EP1475574A3 (fr) * 2003-05-09 2009-08-12 Hertig Knut AB Plancher ventilé avec un panneau de plancher et sa méthode de fabrication

Also Published As

Publication number Publication date
SE9900058L (sv) 2000-07-14
AU2136800A (en) 2000-08-01
SE513398C2 (sv) 2000-09-11
SE9900058D0 (sv) 1999-01-13

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