(19)
(11) EP 2 392 758 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.03.2014 Bulletin 2014/10

(43) Date of publication A2:
07.12.2011 Bulletin 2011/49

(21) Application number: 11397512.2

(22) Date of filing: 23.05.2011
(51) International Patent Classification (IPC): 
E06B 7/10(2006.01)
F24F 13/08(2006.01)
(84) Designated Contracting States:
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
Designated Extension States:
BA ME

(30) Priority: 04.06.2010 FI 20100273 U

(71) Applicant: Dir-Air Oy
11710 Riihimäki (FI)

(72) Inventor:
  • Tarpio, Tapio
    11710 Riihimäki (FI)

(74) Representative: Pursiainen, Timo Pekka et al
Tampereen Patenttitoimisto Oy Hermiankatu 1 B
33720 Tampere
33720 Tampere (FI)

   


(54) An adjustable air guide, a replacement air valve, and a window


(57) The present invention relates to an air guide (1) for introducing replacement air into a room (6). The air guide (1) comprises at least a first wall (1.1), a second wall (1.2), a first end (1.3), a second end (1.4), an air flow duct (1.5), and a backflow trap (7) placed in the air flow duct (1.5). The air guide (1) further comprises a limiter (8) for restricting the movement of the backflow trap (7), wherein the amount of replacement air flowing through the air flow duct (1.5) is arranged to be adjusted by changing the position of said limiter (8). The invention also relates to a replacement air valve (9) and a window (3).







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