(19)
(11)
EP 3 469 268 A1
(12)
(43)
Date of publication:
17.04.2019
Bulletin 2019/16
(21)
Application number:
17731660.1
(22)
Date of filing:
09.06.2017
(51)
International Patent Classification (IPC):
F24F
11/00
(2018.01)
A62C
2/24
(2006.01)
A62C
2/12
(2006.01)
F24F
13/14
(2006.01)
(86)
International application number:
PCT/SE2017/050615
(87)
International publication number:
WO 2017/217915
(
21.12.2017
Gazette 2017/51)
(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
Designated Validation States:
MA MD
(30)
Priority:
14.06.2016
SE 1650832
(71)
Applicant:
Abrahamssons Hantverk-&Fastighetsservice AB
194 54 Upplands Väsby (SE)
(72)
Inventor:
ABRAHAMSSON, Michael
185 93 Vaxholm (SE)
(74)
Representative:
Novitas Patent AB
P.O. Box 55557
102 04 Stockholm
102 04 Stockholm (SE)
(54)
METHODS AND MEANS FOR ENERGY-EFFICIENT VENTILATION SYSTEMS FOR BUILDINGS