GB1027506A - Apparatus for shielding door openings by means of air - Google Patents

Apparatus for shielding door openings by means of air

Info

Publication number
GB1027506A
GB1027506A GB467663A GB467663A GB1027506A GB 1027506 A GB1027506 A GB 1027506A GB 467663 A GB467663 A GB 467663A GB 467663 A GB467663 A GB 467663A GB 1027506 A GB1027506 A GB 1027506A
Authority
GB
United Kingdom
Prior art keywords
air
ducts
door opening
unheated
heated
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
GB467663A
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 GB1027506A publication Critical patent/GB1027506A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00Use 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)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Duct Arrangements (AREA)

Abstract

1,027,506. Air curtains. R. J. FLEBU. Feb. 5, 1963 [Feb. 9, 1962], No. 4676/63. Heading F4V. A door opening 2 in a wall 1 is provided with an air curtain formed by air projected from openings 9-14 in distribution ducts 3-8 located on either side of the door opening and supplied with air at different temperatures. As illustrated, the distribution ducts are located on the outside of a wall separating a warm room from the outside air and ducts 3 and 6 are supplied with heated air, ducts 5 and 8 with unheated air and ducts 4 and 7 with air at an intermediate temperature. A centrifugal blower is located on each side of and above the door opening and has a rotor 17 drawing air through ducts 21 and 22 whose inlet openings are located above the unheated and heated parts of the air curtain respectively. The duct 22 includes a heater 23. The blower rotor 17 has a central circular partition wall 18 aligned with a partition wall 25 extending from the blower to the inlet of the distribution duct 7 so that the duct 7 is supplied with a mixture of heated and unheated air and the ducts 6 and 8 with heated and unheated air respectively. The ducts 3-8 may be turned to vary the direction of the air streams. In a modification (not shown), distribution ducts may be arranged along the upper edge of the door opening. Also the curtain may be used to separate cold rooms from the warmer outside air or to separate two rooms of a building.
GB467663A 1962-02-09 1963-02-05 Apparatus for shielding door openings by means of air Expired GB1027506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO14318562 1962-02-09

Publications (1)

Publication Number Publication Date
GB1027506A true GB1027506A (en) 1966-04-27

Family

ID=19908639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB467663A Expired GB1027506A (en) 1962-02-09 1963-02-05 Apparatus for shielding door openings by means of air

Country Status (1)

Country Link
GB (1) GB1027506A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146522A (en) * 1983-09-15 1985-04-24 George Johnson Collins Body drier
GB2151349A (en) * 1983-12-23 1985-07-17 Marco Zambolin An air curtain for eliminating the infiltration of cold air through entrances of industrial buildings
WO1989001592A1 (en) * 1987-08-18 1989-02-23 Frico Ab A device in hot-air units

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146522A (en) * 1983-09-15 1985-04-24 George Johnson Collins Body drier
GB2151349A (en) * 1983-12-23 1985-07-17 Marco Zambolin An air curtain for eliminating the infiltration of cold air through entrances of industrial buildings
WO1989001592A1 (en) * 1987-08-18 1989-02-23 Frico Ab A device in hot-air units

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