EP 2570742 B1 20171115 - Air channel for installation in wall
Title (en)
Air channel for installation in wall
Title (de)
Luftkanal für den Einbau in eine Wand
Title (fr)
Canal d'aération pour l'encastrement dans une paroi
Publication
Application
Priority
EP 11401592 A 20110914
Abstract (en)
[origin: EP2570742A1] The air duct has a backpressure flap (2) which is swingably provided in extended channel portion (4) of tubular channel. A stop surface (6) for backpressure flap is formed in transition portion (5) so as to extend along an intersection line (11) of sealing edge of a cylindrical structure. The radius of curvature of the backpressure flap is defined by the radius of the cylindrical structure.
IPC 8 full level
F24F 7/04 (2006.01); F24C 15/20 (2006.01); F24F 11/04 (2006.01); F24F 13/14 (2006.01)
CPC (source: EP US)
F24F 7/04 (2013.01 - EP); F24F 11/745 (2017.12 - EP); F24F 13/14 (2013.01 - EP US); F24F 2007/001 (2013.01 - EP US); F24F 2007/0025 (2021.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 11401592 A 20110914