SE8802363D0 - DEVICE FOR AIR CONTROLLER - Google Patents

DEVICE FOR AIR CONTROLLER

Info

Publication number
SE8802363D0
SE8802363D0 SE8802363A SE8802363A SE8802363D0 SE 8802363 D0 SE8802363 D0 SE 8802363D0 SE 8802363 A SE8802363 A SE 8802363A SE 8802363 A SE8802363 A SE 8802363A SE 8802363 D0 SE8802363 D0 SE 8802363D0
Authority
SE
Sweden
Prior art keywords
casing
wall
damper elements
generally
curved
Prior art date
Application number
SE8802363A
Other languages
Swedish (sv)
Inventor
Knut Bergdahl
Original Assignee
Knut Bergdahl
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 Knut Bergdahl filed Critical Knut Bergdahl
Priority to SE8802363A priority Critical patent/SE8802363D0/en
Publication of SE8802363D0 publication Critical patent/SE8802363D0/en
Priority to EP19890907354 priority patent/EP0423169A1/en
Priority to PCT/SE1989/000351 priority patent/WO1989012791A1/en

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Landscapes

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

Abstract

A damper device comprises a flow conveying casing (1) having a wall curved in cross section and two damper elements (2, 3) pivotably arranged in the casing. These damper elements are curved generally in correspondence to the wall of the casing and arranged to cooperate so that they in closed position in unison generally shut off flow through the casing. The damper elements are in their open positions located generally along the wall of the casing while delimiting between themselves an entirely open channel.
SE8802363A 1988-06-23 1988-06-23 DEVICE FOR AIR CONTROLLER SE8802363D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8802363A SE8802363D0 (en) 1988-06-23 1988-06-23 DEVICE FOR AIR CONTROLLER
EP19890907354 EP0423169A1 (en) 1988-06-23 1989-06-22 Damper device
PCT/SE1989/000351 WO1989012791A1 (en) 1988-06-23 1989-06-22 Damper device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802363A SE8802363D0 (en) 1988-06-23 1988-06-23 DEVICE FOR AIR CONTROLLER

Publications (1)

Publication Number Publication Date
SE8802363D0 true SE8802363D0 (en) 1988-06-23

Family

ID=20372714

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8802363A SE8802363D0 (en) 1988-06-23 1988-06-23 DEVICE FOR AIR CONTROLLER

Country Status (3)

Country Link
EP (1) EP0423169A1 (en)
SE (1) SE8802363D0 (en)
WO (1) WO1989012791A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19822910A1 (en) * 1998-05-22 1999-12-02 Neumann Jens Closure element for lines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125766A (en) * 1954-06-08 1956-11-07 Multi-part shutter intended to seal water guiding tubes

Also Published As

Publication number Publication date
EP0423169A1 (en) 1991-04-24
WO1989012791A1 (en) 1989-12-28

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