(19)
(11) EP 1 188 992 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.04.2002 Bulletin 2002/17

(43) Date of publication A2:
20.03.2002 Bulletin 2002/12

(21) Application number: 01120836.0

(22) Date of filing: 30.08.2001
(51) International Patent Classification (IPC)7F24F 1/01
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 13.09.2000 SE 0003246

(71) Applicant: ABB Fläkt AB
113 96 Stockholm (SE)

(72) Inventors:
  • Welén, Stefan
    745 45 Enköping (SE)
  • Danielsson, Per-Olov
    745 93 Enköping (SE)

(74) Representative: Jenkler, Malte et al
ABB Group Services Center AB Legal & Compliance/Intellectual Property
721 78 Västeras
721 78 Västeras (SE)

   


(54) Air treatment and ventilation device


(57) An air treatment and ventilation device (1) comprises a supply-air channel (2), a cooling/heating element (3) for treatment of room air, a mixing chamber (4) for treated air and supply air and air outlets (5, 6) from the device into the surroundings, whereby supply air is adapted to be supplied to the mixing chamber via discharge holes (7, 8) in the wall of the supply-air channel (2). The invention is characterized in that the discharge holes (7, 8) have an adjustable area for setting the desired supply-air flow.







Search report