(19)
(11) EP 1 741 992 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.08.2012 Bulletin 2012/31

(43) Date of publication A2:
10.01.2007 Bulletin 2007/02

(21) Application number: 06110322.2

(22) Date of filing: 23.02.2006
(51) International Patent Classification (IPC): 
F24F 1/00(2011.01)
 F24F 13/28(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: 04.07.2005 JP 2005195208
28.12.2005 JP 2005377295

(71) Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
Tokyo 108-8215 (JP)

(72) Inventors:
  • Kidokoro,Naomi Mitsubishi Heavy Ind, LTD Nagoya
    Nagoya, Aichi 453-8515 (JP)
  • Hirabayashi, Masashi Churyo Engineering, CO, LTD
    Nagoya, Aichi 453-0862 (JP)
  • Katou,Shigehisa Mitsubishi Heavy Ind, LTD Air-Cond
    Kiyosu, Aichi 452-8561 (JP)
  • Tsubono,Masahiro,Mitsubishi Heavy Ind,LTD Air-Cond
    Kiyosu, Aichi 452-8561 (JP)
  • Aruga, Hiroyasu Mitsubishi Heavy Ind, LTD Nagoya
    Nagoya, Aichi 453-8515 (JP)
  • Tanaka,Daisuke Mitsubishi Heavy Ind, LTD Nagoya
    Nagoya, Aichi 453-8515 (JP)
  • Maeno,Masashi Mitsubishi Heavy Ind, LTD Nagoya
    Nagoya, Aichi 453-8515 (JP)
  • Shimizu,Ken Mitsubishi Heavy Ind, LTD Nagoya
    Nagoya, Aichi 453-8515 (JP)
  • Hirao,Toyotaka Mitsubishi Heavy Ind, LTD Nagoya
    Nagoya, Aichi 453-8515 (JP)
  • Mizutani, Hiroshi Churyo Engineering, CO, LTD
    Nagoya, Aichi 453-0862 (JP)

(74) Representative: Bongiovanni, Simone 
Studio Torta S.p.A. Via Viotti, 9
10121 Torino
10121 Torino (IT)

   


(54) Indoor unit and air conditioner


(57) An an indoor unit and air conditioner which are capable of reducing the work load required for carrying out maintenance on an air filter are provided. The indoor unit includes a chassis installed on a ceiling, an air inlet section configured to allow indoor air to flow into the chassis, an air filter configured to collect dust in the air flowing from the air inlet section, a dust-removing unit configured to remove dust attached to the air filter, a collecting unit configured to collect the dust removed by the dust-removing unit, and a raising unit configured to raise and lower the collecting unit to and from the chassis.







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