SE451034B - Ventilation duct air flow control - Google Patents

Ventilation duct air flow control

Info

Publication number
SE451034B
SE451034B SE8504960A SE8504960A SE451034B SE 451034 B SE451034 B SE 451034B SE 8504960 A SE8504960 A SE 8504960A SE 8504960 A SE8504960 A SE 8504960A SE 451034 B SE451034 B SE 451034B
Authority
SE
Sweden
Prior art keywords
ventilation duct
casing
air flow
flow control
duct air
Prior art date
Application number
SE8504960A
Other languages
Swedish (sv)
Other versions
SE8504960D0 (en
SE8504960L (en
Inventor
A Bengtsson
Original Assignee
Lindab 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 Lindab Ventilation Ab filed Critical Lindab Ventilation Ab
Priority to SE8504960A priority Critical patent/SE451034B/en
Publication of SE8504960D0 publication Critical patent/SE8504960D0/en
Publication of SE8504960L publication Critical patent/SE8504960L/en
Publication of SE451034B publication Critical patent/SE451034B/en

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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

When the ends of the cord (17) are pulled, the loop tightens and compresses the casing (11). Tightening can occur against the spring effect of the casing itself of against the force of springs (16) fitted between the casing ends. The cord ends are pulled by it being wound on a spool (22) rotatably fitted on the exterior of the ventilation duct (10). This has a scale (24) to indicate the extent of tightening and the throughflow area of the casing.
SE8504960A 1985-10-22 1985-10-22 Ventilation duct air flow control SE451034B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8504960A SE451034B (en) 1985-10-22 1985-10-22 Ventilation duct air flow control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8504960A SE451034B (en) 1985-10-22 1985-10-22 Ventilation duct air flow control

Publications (3)

Publication Number Publication Date
SE8504960D0 SE8504960D0 (en) 1985-10-22
SE8504960L SE8504960L (en) 1987-04-23
SE451034B true SE451034B (en) 1987-08-24

Family

ID=20361870

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8504960A SE451034B (en) 1985-10-22 1985-10-22 Ventilation duct air flow control

Country Status (1)

Country Link
SE (1) SE451034B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5829464A (en) * 1996-04-02 1998-11-03 Halton Oy Regulation device and method for regulation of an air flow
EP2500581A3 (en) * 2011-03-18 2014-06-11 Daejoo Machinery Co., Ltd. Variable throat device for air compressor
WO2019232593A1 (en) * 2018-06-07 2019-12-12 Minetek Investments Pty Ltd Regulator for a flexible duct

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5829464A (en) * 1996-04-02 1998-11-03 Halton Oy Regulation device and method for regulation of an air flow
EP2500581A3 (en) * 2011-03-18 2014-06-11 Daejoo Machinery Co., Ltd. Variable throat device for air compressor
WO2019232593A1 (en) * 2018-06-07 2019-12-12 Minetek Investments Pty Ltd Regulator for a flexible duct

Also Published As

Publication number Publication date
SE8504960D0 (en) 1985-10-22
SE8504960L (en) 1987-04-23

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