EP0155924A3 - Air curtaining unit - Google Patents

Air curtaining unit Download PDF

Info

Publication number
EP0155924A3
EP0155924A3 EP85850099A EP85850099A EP0155924A3 EP 0155924 A3 EP0155924 A3 EP 0155924A3 EP 85850099 A EP85850099 A EP 85850099A EP 85850099 A EP85850099 A EP 85850099A EP 0155924 A3 EP0155924 A3 EP 0155924A3
Authority
EP
European Patent Office
Prior art keywords
nozzle
curtaining
air
unit
air stream
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.)
Withdrawn
Application number
EP85850099A
Other languages
German (de)
French (fr)
Other versions
EP0155924A2 (en
Inventor
George Bernhard Dhenstrand
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.)
Bahco Ventilation AB
Original Assignee
Bahco Ventilation 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 Bahco Ventilation AB filed Critical Bahco Ventilation AB
Publication of EP0155924A2 publication Critical patent/EP0155924A2/en
Publication of EP0155924A3 publication Critical patent/EP0155924A3/en
Withdrawn legal-status Critical Current

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
    • F24F9/00—Use of air currents for screening, e.g. air curtains
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Ventilation (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Duct Arrangements (AREA)

Abstract

An air stream-generating curtaining unit (1) adapted for being included as one of several curtaining units situated in a row in an air curtaining installation. The unit comprises a fan unit (6) arranged in a casing (5), the casing having inlets (7) and outlets (8) for a partial curtain forming air stream driven by the fan unit (6) for the air curtain. The outlet (8) of the curtaining unit is provided with a combined silencing and air distribution means having an air supply nozzle (9) which has a substantially rectangular through-flow cross section with long sides extending along substantially the entire curtaining length of the curtaining unit, and with short sides (12) of gradually decreasing length along the flow path of the partial air stream. At least one (13) of both the defining walls of the supply air nozzle which form said long sides has its profile convex shaped in the flow direction of the partial air stream, seen from within the nozzle. Both defining walls (13, 14) each define one side of a box (15) filled with porous material exterior to and facing towards the nozzle (9), the box serving in a manner known per se as a resistive and reactive silencer, the only open communication of the box (15) with the supply air nozzle (9) being a pierced portion (16) of the defining wall, this portion being at a distance from the inlet of the nozzle. Adjacent the inlet end there is an unpierced entry portion (17) for the partial air stream. The fan unit (6) has a plurality of fans (19), the outlets (20) of which are distributed in spaced relationship along the longitudinal extension of the inlet cross section of the nozzle (9) while the zones in the cross section of the inlet not utilized for outlets from the fan are blanked off.
EP85850099A 1984-03-21 1985-03-20 Air curtaining unit Withdrawn EP0155924A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8401574 1984-03-21
SE8401574A SE444975B (en) 1984-03-21 1984-03-21 AIR RIDE DEVICE

Publications (2)

Publication Number Publication Date
EP0155924A2 EP0155924A2 (en) 1985-09-25
EP0155924A3 true EP0155924A3 (en) 1986-01-22

Family

ID=20355235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85850099A Withdrawn EP0155924A3 (en) 1984-03-21 1985-03-20 Air curtaining unit

Country Status (2)

Country Link
EP (1) EP0155924A3 (en)
SE (1) SE444975B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940277C1 (en) * 1989-12-06 1991-03-21 Teddington Controls Gmbh, 5202 Hennef, De Sound damping structure - has silencer body with acoustic lining and contg. profiled and absorber
JPH0960942A (en) * 1995-08-25 1997-03-04 Mitsubishi Electric Corp Blower
ES2488716T3 (en) * 2011-04-29 2014-08-28 H.Opdam Management B.V. An air curtain, and a vehicle provided with said air curtain
IT202100011510A1 (en) * 2021-05-05 2022-11-05 Marco Zambolin "MODULAR ELEMENT FOR AIR CURTAINS, DYNAMIC AIR CURTAINS AND PROCESS FOR THE REALIZATION OF THE SAME"

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR322463A (en) * 1902-06-26 1903-02-05 Mortier Paul Improvement with diametral fan, mortar system
CH335864A (en) * 1955-10-28 1959-01-31 Sulzer Ag Device for reducing the noise emission from lines carrying compressible media
FR1283147A (en) * 1960-03-11 1962-01-27 Colchester Woods Quiet
DE1154252B (en) * 1957-06-08 1963-09-12 Rudolf Sterkel Screening of room openings with an air curtain
CH382363A (en) * 1956-12-07 1964-09-30 Laing Nikolaus Fan heater
US3215058A (en) * 1962-10-15 1965-11-02 King Company Air curtain apparatus
GB1125673A (en) * 1967-01-27 1968-08-28 Conditionaire Australia Pty Lt Improvements in air screen creating, air conditioning apparatus
GB1214829A (en) * 1967-12-11 1970-12-02 Minikay Ltd Air curtain
DE1951115A1 (en) * 1969-10-10 1971-04-22 Zenkner Kurt Dr Ing Cross flow blower
GB1570074A (en) * 1977-07-13 1980-06-25 British Gas Corp Ventilators
EP0058782A1 (en) * 1981-02-24 1982-09-01 Stichting Ontwikkeling Koeltechniek Cold-storage building

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR322463A (en) * 1902-06-26 1903-02-05 Mortier Paul Improvement with diametral fan, mortar system
CH335864A (en) * 1955-10-28 1959-01-31 Sulzer Ag Device for reducing the noise emission from lines carrying compressible media
CH382363A (en) * 1956-12-07 1964-09-30 Laing Nikolaus Fan heater
DE1154252B (en) * 1957-06-08 1963-09-12 Rudolf Sterkel Screening of room openings with an air curtain
FR1283147A (en) * 1960-03-11 1962-01-27 Colchester Woods Quiet
US3215058A (en) * 1962-10-15 1965-11-02 King Company Air curtain apparatus
GB1125673A (en) * 1967-01-27 1968-08-28 Conditionaire Australia Pty Lt Improvements in air screen creating, air conditioning apparatus
GB1214829A (en) * 1967-12-11 1970-12-02 Minikay Ltd Air curtain
DE1951115A1 (en) * 1969-10-10 1971-04-22 Zenkner Kurt Dr Ing Cross flow blower
GB1570074A (en) * 1977-07-13 1980-06-25 British Gas Corp Ventilators
EP0058782A1 (en) * 1981-02-24 1982-09-01 Stichting Ontwikkeling Koeltechniek Cold-storage building

Also Published As

Publication number Publication date
SE8401574L (en) 1985-09-22
SE444975B (en) 1986-05-20
EP0155924A2 (en) 1985-09-25
SE8401574D0 (en) 1984-03-21

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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

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AK Designated contracting states

Designated state(s): DE GB IT

PUAL Search report despatched

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AK Designated contracting states

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

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18D Application deemed to be withdrawn

Effective date: 19860923

RIN1 Information on inventor provided before grant (corrected)

Inventor name: DHENSTRAND, GEORGE BERNHARD