(19)
(11) EP 1 520 995 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.04.2006 Bulletin 2006/15

(43) Date of publication A2:
06.04.2005 Bulletin 2005/14

(21) Application number: 04396068.1

(22) Date of filing: 29.09.2004
(51) International Patent Classification (IPC): 
F15B 1/26(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 29.09.2003 FI 20035166

(71) Applicant: Fluid House Oy
40630 Jyväskylä (FI)

(72) Inventors:
  • Viinonen, Reijo
    40100 Jyväskylä (FI)
  • Mäkinen, Jarkko
    40640 Jyväskylä (FI)
  • Elo, Lauri
    FI-33300 Tampere (FI)

(74) Representative: Tanhua, Pekka Vilhelm 
Berggren Oy Ab, P.O. Box 16
00101 Helsinki
00101 Helsinki (FI)

   


(54) Hydraulic apparatus and method for manufacturing and using thereof


(57) The invention relates to a hydraulic apparatus comprising one or more oil tanks (3). The oil tank (3) according to the invention comprises means (36, 48, 49) for guiding the hydraulic oil flow to the tangential direction.







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