EP0337971A2 - Sortie d'air - Google Patents

Sortie d'air Download PDF

Info

Publication number
EP0337971A2
EP0337971A2 EP89850114A EP89850114A EP0337971A2 EP 0337971 A2 EP0337971 A2 EP 0337971A2 EP 89850114 A EP89850114 A EP 89850114A EP 89850114 A EP89850114 A EP 89850114A EP 0337971 A2 EP0337971 A2 EP 0337971A2
Authority
EP
European Patent Office
Prior art keywords
air
panel
plates
room
supply 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
EP89850114A
Other languages
German (de)
English (en)
Other versions
EP0337971A3 (en
EP0337971B1 (fr
Inventor
Leif Ingemar Lind
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0337971A2 publication Critical patent/EP0337971A2/fr
Publication of EP0337971A3 publication Critical patent/EP0337971A3/en
Application granted granted Critical
Publication of EP0337971B1 publication Critical patent/EP0337971B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • 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
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the present invention relates to a supply air terminal device of box-like or screen-like configuration and being of the kind set forth in the preamble of Claim 1.
  • Air terminal devices of this kind e.g. such as those marketed under the trade names REPUS and INAIR, are widely used to supply attemperated air to different kinds of working areas, for instance office areas, and also to domestic dwelling areas, in a draught-free manner.
  • the air exiting from such devices has low im­pulse energy and the device may often be placed in the immediate vicinity of the work area, therewith ensuring that the air in said vicinity will be of a better quality than would otherwise be the case.
  • air from the occupied zone of the room in which the device is located will preferably be admixed with the cold air in appropriate proportions, so as to avoid the occurrence of cold draughts at floor level of the room.
  • a device of the aforesaid kind is known, inter alia, from SE-B-444852, Industriell Arbetshygien.
  • This device includes a plate-like element whose side portions are bent and which is intended for the express purpose of preventing welding sparks from entering the screen-like device, such as to protect the heat sensitive filters in the screen.
  • This plate-like element is not intended to have an air guiding function and the air exiting from the device will still have a laminar flow and therefore will not mix with the ambient air in the vicinity of said device.
  • One object of the invention is to provide an improved supply air terminal device which will be effective in admixing supply air with ambient room air without the use of filters, and which enables attemperated air to be supplied to said room in an effective and draught-free fashion.
  • the exiting air will have a highly advantageous flow pat­tern. Air is drawn by suction from the room into the eddy current regions or turbulence, due to the sub­pressure generated at the front surface of the plate, and eddy currents from mutually adjacent air outlet slots will collide with one another. This results in intensive admixing of the colliding air flows and the major part of the impulse energy of the supplied air will dissipate at the same time. As a result, the supply air will be admixed with ambient room air uniformly and effectively, in a draught-free fashion.
  • the admixing zones have an extension of from 1 to 3 dm in front of respective plates.
  • the supply air terminal device is used to blow cool air into a room.
  • the supply air is deflected by the plate through 90 and the turbulence or eddy currents generated thereby are projected through a short distance from the two slots defined by a respective plate.
  • bent plates also impart to the supply air terminal device an aesthetic, attractive outer surface while, at the same time, providing a structurally simple, stable and robust construction.
  • the holes or openings may extend in a row, horizontally across the device, in which case the plates are placed horizontally, the one plate beneath the other.
  • the holes or openings and the plates will extend vertically along the wall of the device. This will enable the plates to be readily sec­ured in the region of the top and bottom panels of the device.
  • a supply air ter­minal device constructed in accordance with the invention will dampen sound, inter alia, from the fan incorporated in the supply air sys­tem. This sound damping effect is obtained as a result of the numerous detours which the air flows are forced to follow, and thereby also be sound waves. This advantage is further enhanced when, in accordance with one embodiment, the inner surfaces of the plates are lined with sound absorbing material.
  • the device may be provided with a lower air supply connector stub, e.g. a floor connector. This will enable the air supply pipe to be placed beneath the floor and therewith out of the room served by the device. For instance, supply air can be conducted to a space beneath said floor and the supply air terminal device may be positioned at any desired location in the room and sealed against the floor.
  • a lower air supply connector stub e.g. a floor connector.
  • each of said holes will preferably be fitted with a nozzle means which has an obliquely extending inlet.
  • the inventive supply air terminal device may have vary­ing configurations and may, for instance, comprise a box of square or elongated rectangular shape, wherewith, for instance, three side panel surfaces will be provided with rows of holes and externally mounted plates. In certain instances, however, all four side surfaces of the device may be provided with holes or, alternatively, solely one side surface or two side surfaces may be perforated.
  • the device may also be configured so as to enable it to be positioned in a corner of a room, and will then preferably have a circle-sector configuration with a front, curved, perforated panel surface.
  • Figure 1 illustrates a box-like supply air terminal device 1, comprising a main body 2 which includes a top panel 3 and a bottom panel 4. Extending between the top and bottom panels are four side panels 5, of which panels, for instance, three are provided with a multiple of air-outlet holes 7 which extend in vertical columns and each of which is provided with a nozzle means 6.
  • the nozzle means 6 have an obliquely extending inlet and are effective in uniformly distributing air supplied to the interior of the device through a connector stub or pipe 8, such that equal quantities of air depart through respective holes 7.
  • each column of holes Spaced forwardly of each column of holes is a plate or profiled section 11, the end parts 11a of which are extended inwardly, or bent, towards respective side panels 5, such as to form two flow slots 12, one on each side of each column of holes.
  • the plates 11 are effec­tive in deflecting air exiting through the holes 7 and in generating eddy currents or regions of turbulence, such that ambient room air will be drawn by suction into contact with the attemperated supply air exiting from the terminal device and intimately admixed with said supply air.
  • the admixing process is particularly thorough, and since eddy currents extending from mutu­ally adjacent slots 12 collide with one another the impulse of the supply air is practically extinguished, so that the mixture of ambient room air and attemperated supply air will be delivered to the room in a draught-­free fashion.
  • the inner surfaces of the plates 11, facing the side panels 5, may be lined with sound-­absorbing material (not shown), so as to improve the sound damping effect of the terminal device.
  • the connector stub pipe 8 may be inserted into a hole provided in the floor, and the terminal device sealed against the floor surface.
  • the connector stub pipe may be joined to a flexible supply hose or pipe.
  • Figure 3 illustrates an embodiment of a box-like terminal device which has a square cross-section.
  • three side panels 5 are pro­vided with nozzle means 6 and externally mounted plates 11.
  • the connector stub 8 extends upwardly.
  • Figure 4 illustrates an exemplifying embodiment of the invention in which the supply air terminal device has a circle-sector cross-section, which enables the device to be placed in a corner of the room.
  • the supply air terminal device has a circle-sector cross-section, which enables the device to be placed in a corner of the room.
  • the front, arcuate panel 5 is provided with said nozzle means and externally mounted plates.
  • the air supply connector stub of this embodiment also extends upwardly.
  • the inventive supply air terminal device may have the form of a screen having a comparitively large extension in the vertical and width direction relative to thickness.
  • a screen may, for instance, have the dimensions 1 x 0.5 x 0.2 m.
  • the characteristics of the device can be changed, by varying the slot widths.
  • the plates can thus be sup­ported at adjustable distances from respective panels, e.g. in a manner which will enable the slot width to be varied from 0 and 8 mm.
  • Such an arrangement can be used, for instance, to control or regulate temperature.
  • a regulating device for instance a motor (not shown), may be provided for automatically adjusting the slot widths in response to signals from a temperature sensor, via an eccentric arrangement, thereby obtaining an automatic temperature control facility.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP19890850114 1988-04-11 1989-04-10 Sortie d'air Expired - Lifetime EP0337971B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8801333A SE8801333L (sv) 1988-04-11 1988-04-11 Tilluftsdon
SE8801333 1988-04-11

Publications (3)

Publication Number Publication Date
EP0337971A2 true EP0337971A2 (fr) 1989-10-18
EP0337971A3 EP0337971A3 (en) 1990-08-22
EP0337971B1 EP0337971B1 (fr) 1993-01-07

Family

ID=20371973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890850114 Expired - Lifetime EP0337971B1 (fr) 1988-04-11 1989-04-10 Sortie d'air

Country Status (3)

Country Link
EP (1) EP0337971B1 (fr)
DE (1) DE68904226T2 (fr)
SE (1) SE8801333L (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016580A1 (fr) * 1990-04-25 1991-10-31 Gutermuth Paul Sen Dispositif d'amenee d'air
EP0648984A1 (fr) * 1993-10-13 1995-04-19 Schako Metallwarenfabrik Ferdinand Schad Kg Sortie d'air
WO1997034113A1 (fr) * 1996-03-11 1997-09-18 Leif Lind Dispositif terminal d'apport d'air en forme de caisson ou d'ecran et module de buses conçus a cet effet

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106382690A (zh) * 2016-10-25 2017-02-08 美的集团武汉制冷设备有限公司 空调室外机的降噪装置及空调室外机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033075A (en) * 1978-10-13 1980-05-14 Lind L Flow-distributing device eg for air-supply
SE444852B (sv) * 1983-03-16 1986-05-12 Soederhamn Ind Arbetshygien Ab Aggregat for tillforsel av luft till lokaler

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033075A (en) * 1978-10-13 1980-05-14 Lind L Flow-distributing device eg for air-supply
SE444852B (sv) * 1983-03-16 1986-05-12 Soederhamn Ind Arbetshygien Ab Aggregat for tillforsel av luft till lokaler

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016580A1 (fr) * 1990-04-25 1991-10-31 Gutermuth Paul Sen Dispositif d'amenee d'air
EP0648984A1 (fr) * 1993-10-13 1995-04-19 Schako Metallwarenfabrik Ferdinand Schad Kg Sortie d'air
WO1997034113A1 (fr) * 1996-03-11 1997-09-18 Leif Lind Dispositif terminal d'apport d'air en forme de caisson ou d'ecran et module de buses conçus a cet effet
US6135877A (en) * 1996-03-11 2000-10-24 Lind; Leif Box- or screen-like supply air terminal device and a nozzle module or nozzle unit therefor

Also Published As

Publication number Publication date
EP0337971A3 (en) 1990-08-22
DE68904226T2 (de) 1993-05-27
EP0337971B1 (fr) 1993-01-07
DE68904226D1 (de) 1993-02-18
SE8801333L (sv) 1989-10-12
SE8801333D0 (sv) 1988-04-11

Similar Documents

Publication Publication Date Title
US4316406A (en) Flow-distributing device and an air-intake screen provided with such a device
US5969942A (en) Means for the ventilation of electrical and electronic equipment and subassemblies
US5468184A (en) Air circulation system for enclosed structures
US20040120815A1 (en) Cooling fan
US3631788A (en) Supply air device for injection of perferably cold ventilation air
US5144781A (en) Double floor for removing air from rooms
GB1600266A (en) Air distributing screen
EP0389508B1 (fr) Dispositif de repartition d'air
EP0337971B1 (fr) Sortie d'air
US4425839A (en) Flexible airduct and deflector system
US2560802A (en) Laminar counterflow grille
EP0967443B1 (fr) Dispositif pour le refroidissement de l'air d'un local
US4516483A (en) Air blowing device
US4679495A (en) Air diffuser
JPH02171544A (ja) ノズル形噴気装置
US5052285A (en) Air diffuser for ventilating apparatus
WO1998009115A1 (fr) Appareil de refroidissement d'air ambiant
US4250870A (en) Apparatus and method for removing fumes from the space above a cooking appliance in a restaurant
US6135877A (en) Box- or screen-like supply air terminal device and a nozzle module or nozzle unit therefor
EP0101682B1 (fr) Distributeur d'ecoulement
US3482506A (en) Air distribution apparatus
US5140495A (en) Apparatus and method for prevention of pooling in carpets and the like
EP0354949B1 (fr) Unite de diffusion d'air
JP3088602B2 (ja) アンダーフロア空調装置
JPH1122700A (ja) 空気吹出口、及びこれを使用した空気循環装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): CH DE FR GB LI SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE FR GB LI SE

17P Request for examination filed

Effective date: 19910214

17Q First examination report despatched

Effective date: 19910627

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB LI SE

REF Corresponds to:

Ref document number: 68904226

Country of ref document: DE

Date of ref document: 19930218

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
EAL Se: european patent in force in sweden

Ref document number: 89850114.3

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20040331

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20040402

Year of fee payment: 16

Ref country code: CH

Payment date: 20040402

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20040408

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20040415

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050410

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050411

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050430

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051101

EUG Se: european patent has lapsed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20050410

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051230

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20051230