(19)
(11)
EP 1 483 509 A1
(12)
(43)
Date of publication:
08.12.2004
Bulletin 2004/50
(21)
Application number:
03799066.0
(22)
Date of filing:
09.09.2003
(51)
International Patent Classification (IPC)
7
:
F04D
29/58
,
F04D
1/06
,
F04D
13/06
(86)
International application number:
PCT/IT2003/000537
(87)
International publication number:
WO 2004/031591
(
15.04.2004
Gazette 2004/16)
(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 PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK
(30)
Priority:
04.10.2002
IT PD20020255
(71)
Applicant:
Q & P S.p.A.
35127 Padova (IT)
(72)
Inventor:
OTTOBONI, Gianni
I-35127 Padova (IT)
(74)
Representative:
Gustorf, Gerhard, Dipl.-Ing.
Patentanwalt,Bachstrasse 6 A
84036 Landshut
84036 Landshut (DE)
(54)
LOW-NOISE PUMP COOLED BY THE PUMPED WATER