GB1237694A - Improvements relating to air curtains - Google Patents

Improvements relating to air curtains

Info

Publication number
GB1237694A
GB1237694A GB3950868A GB3950868A GB1237694A GB 1237694 A GB1237694 A GB 1237694A GB 3950868 A GB3950868 A GB 3950868A GB 3950868 A GB3950868 A GB 3950868A GB 1237694 A GB1237694 A GB 1237694A
Authority
GB
United Kingdom
Prior art keywords
air
opening
air curtains
aug
improvements relating
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.)
Expired
Application number
GB3950868A
Inventor
John Bryan Jones
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.)
PROGRESS JETS Ltd
Original Assignee
PROGRESS JETS Ltd
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 PROGRESS JETS Ltd filed Critical PROGRESS JETS Ltd
Priority to GB3950868A priority Critical patent/GB1237694A/en
Publication of GB1237694A publication Critical patent/GB1237694A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

1,237,694. Air curtains. PROGRESS JETS Ltd. 19 Aug., 1969 [19 Aug., 1968], No. 39508/68. Heading F4V. Apparatus for producing an air curtain across an opening of a doorway, passage or tunnel to protect an interior space comprises ducts 3, 5 having elongated slots from which are projected converging streams of air 4, 6, the streams traversing the downstream margin 2 of the opening on the exterior side thereof. An air collector 9 may be provided. Both ducts 3 and 5 may be positioned on the interior side of the opening. A passage may be subdivided by spaced apparatuses as described above.
GB3950868A 1968-08-19 1968-08-19 Improvements relating to air curtains Expired GB1237694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3950868A GB1237694A (en) 1968-08-19 1968-08-19 Improvements relating to air curtains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3950868A GB1237694A (en) 1968-08-19 1968-08-19 Improvements relating to air curtains

Publications (1)

Publication Number Publication Date
GB1237694A true GB1237694A (en) 1971-06-30

Family

ID=10409931

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3950868A Expired GB1237694A (en) 1968-08-19 1968-08-19 Improvements relating to air curtains

Country Status (1)

Country Link
GB (1) GB1237694A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055112A (en) * 1974-12-30 1977-10-25 Ab Svenska Flaktfabriken Process and apparatus for ventilating or tempering rooms
FR2530163A1 (en) * 1982-07-15 1984-01-20 Commissariat Energie Atomique METHOD FOR CONFINING POLLUTION OF A LOCAL USING A GASOLINE VEIN
EP0487342A1 (en) * 1990-11-22 1992-05-27 Aerospace Engineering And Research Consultants Limited Air curtain fume cabinet and method
US5145459A (en) * 1990-03-14 1992-09-08 SGN-Societe General Pour les Techniques Nouvelles Process and apparatus for the dynamic separation of two zones
FR2760199A1 (en) * 1997-03-03 1998-09-04 Unir Ultra Propre Nutrition In DEVICE FOR SEPARATING TWO ZONES WITH DIFFERENT ATMOSPHERES
DE10313113A1 (en) * 2003-03-24 2004-10-14 Lwt Luftwandtechnologie Gmbh Air wall device for separating of two areas lying on both sides of door opening has first and second air outlet through which first and second compressed airflow as air wall emerges at angle of 0 to 60 degrees to plane of door opening
NL2003616C2 (en) * 2009-10-09 2011-04-12 Biddle B V AIR CURTAIN DEVICE AND METHOD FOR REALIZING A HORIZONTAL AIR CURTAIN WITH ADDITIONAL AIRFLOW.
WO2011092448A1 (en) * 2010-02-01 2011-08-04 Mechanical & Internal Environmental Services Ltd Air curtain
GB2589899A (en) * 2019-12-11 2021-06-16 Wirth Doors Ltd An active airflow inhibiting apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055112A (en) * 1974-12-30 1977-10-25 Ab Svenska Flaktfabriken Process and apparatus for ventilating or tempering rooms
FR2530163A1 (en) * 1982-07-15 1984-01-20 Commissariat Energie Atomique METHOD FOR CONFINING POLLUTION OF A LOCAL USING A GASOLINE VEIN
EP0099818A1 (en) * 1982-07-15 1984-02-01 Commissariat à l'Energie Atomique Method of confining the pollution of an area by making use of an air curtain
US4576613A (en) * 1982-07-15 1986-03-18 Commissariat A L'energie Atomique Process for confining the pollution in an area
US5145459A (en) * 1990-03-14 1992-09-08 SGN-Societe General Pour les Techniques Nouvelles Process and apparatus for the dynamic separation of two zones
EP0487342A1 (en) * 1990-11-22 1992-05-27 Aerospace Engineering And Research Consultants Limited Air curtain fume cabinet and method
US6146267A (en) * 1997-03-03 2000-11-14 U.N.I.R. Ultra Propre-Nutrition Industrie-Recherche Device for separating two zones with different environment
WO1998039604A1 (en) * 1997-03-03 1998-09-11 U.N.I.R. Ultra Propre-Nutrition Industrie-Recherche Device for separating two zones with different environment
FR2760199A1 (en) * 1997-03-03 1998-09-04 Unir Ultra Propre Nutrition In DEVICE FOR SEPARATING TWO ZONES WITH DIFFERENT ATMOSPHERES
DE10313113A1 (en) * 2003-03-24 2004-10-14 Lwt Luftwandtechnologie Gmbh Air wall device for separating of two areas lying on both sides of door opening has first and second air outlet through which first and second compressed airflow as air wall emerges at angle of 0 to 60 degrees to plane of door opening
NL2003616C2 (en) * 2009-10-09 2011-04-12 Biddle B V AIR CURTAIN DEVICE AND METHOD FOR REALIZING A HORIZONTAL AIR CURTAIN WITH ADDITIONAL AIRFLOW.
WO2011043669A3 (en) * 2009-10-09 2011-10-06 Biddle B.V. Air curtain device and method for realizing a horizontal air curtain with additional airflow
WO2011092448A1 (en) * 2010-02-01 2011-08-04 Mechanical & Internal Environmental Services Ltd Air curtain
GB2589899A (en) * 2019-12-11 2021-06-16 Wirth Doors Ltd An active airflow inhibiting apparatus
WO2021115721A1 (en) * 2019-12-11 2021-06-17 Wirth Doors Limited Air curtain
GB2589899B (en) * 2019-12-11 2021-12-15 Wirth Doors Ltd An active airflow inhibiting apparatus

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