(19)
(11)
EP 0 985 087 A1
(12)
(43)
Date of publication:
15.03.2000
Bulletin 2000/11
(21)
Application number:
98925972.6
(22)
Date of filing:
27.05.1998
(51)
International Patent Classification (IPC)
7
:
F02B
71/04
,
F04B
49/22
(86)
International application number:
PCT/NL9800/305
(87)
International publication number:
WO 9854/450
(
03.12.1998
Gazette 1998/48)
(84)
Designated Contracting States:
DE FR GB NL
(30)
Priority:
28.05.1997
NL 1006143
(71)
Applicant:
INNAS FREE PISTON B.V.
4823 AE Breda (NL)
(72)
Inventor:
ACHTEN, Peter, Augustinus, Johannes
NL-5613 CA Eindhoven (NL)
(74)
Representative:
Van Breda, Jacobus et al
Octrooibureau Los & Stigter,P.O. Box 20052
1000 HB Amsterdam
1000 HB Amsterdam (NL)
(54)
HYDRAULIC DRIVE SYSTEM WITH CONSTANT PRESSURE IN PRESSURE CONDUIT