(19)
(11) EP 1 657 503 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.11.2007 Bulletin 2007/46

(43) Date of publication A2:
17.05.2006 Bulletin 2006/20

(21) Application number: 05024478.9

(22) Date of filing: 10.11.2005
(51) International Patent Classification (IPC): 
F24F 7/08(2006.01)
F24F 11/00(2006.01)
 F24F 1/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 16.11.2004 JP 2004332365
29.03.2005 JP 2005094212

(71) Applicants:
  • SANYO ELECTRIC CO. LTD
    Moriguchi-shi, Osaka-fu (JP)
  • SANYO AIR-CONDITIONERS CO., LTD.
    Ora-gun, Gunma-ken (JP)

(72) Inventors:
  • Matsumoto, Kouichi
    Saitama-ken (JP)
  • Toyoda, Mitsuru
    Saitama-ken (JP)

(74) Representative: Leitner, Waldemar et al
Zerrennerstrasse 23-25
75172 Pforzheim
75172 Pforzheim (DE)

   


(54) Air conditioner


(57) An air conditioner comprises air pipes (23, 24) inserted through a hole (4) of a building wall; a first fan unit (21) located in an indoor unit (1) and connected to the first air pipe; a second fan unit (22) located in the indoor unit and connected to the second air pipe to exhaust indoor air; and a control means (46). The control means (46) on receipt of a single exhaust instruction halts the first fan unit and allows the exhaust operation of the second fan unit to execute the ventilation operation with only exhaust, and on receipt of an air-supply/exhaust operation instruction allows the running of the first fan unit and the exhaust operation of the second fan unit to execute the ventilation operation with simultaneous air-supply/exhaust.







Search report