(19)
(11) EP 2 113 669 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.07.2013 Bulletin 2013/28

(43) Date of publication A2:
04.11.2009 Bulletin 2009/45

(21) Application number: 09158883.0

(22) Date of filing: 28.04.2009
(51) International Patent Classification (IPC): 
F04D 5/00(2006.01)
F04D 29/10(2006.01)
 F04D 13/06(2006.01)
(84) Designated Contracting States:
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 SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 28.04.2008 JP 2008117040

(71) Applicant: Fujikoki Corporation
Tokyo (JP)

(72) Inventors:
  • Kume, Yoshiyuki
    Setagaya-ku Tokyo (JP)
  • Kato, Yuya
    Setagaya-ku Tokyo (JP)

(74) Representative: Schweiger, Martin 
Schweiger & Partner Anwaltskanzlei Karlstrasse 35
80333 München
80333 München (DE)

   


(54) Drainage pump


(57) The invention provides a drainage pump equipped in an air conditioner having high safety by preventing water from coming into contact with a conductive output shaft of an electric motor. The drainage pump has a motor (10), rotating blades (200) coupled to an output shaft (12) of the motor (10), a case main body (50) having a pump chamber for accommodating the rotating blades (200), a lid member (30) covering an opening portion of the pump chamber (52), and a deflector board (15) provided between the lid member (30) and the motor (10). An outer peripheral groove (212) is provided in an end portion of a shaft portion (210) toward the motor (10), and the deflector board (15) is assembled by being fitted to the groove (212) in a tight contact state. Accordingly, drain water does not directly touch the conductive output shaft (12).







Search report









Search report