(19)
(11)
EP 0 877 858 A1
(12)
(43)
Date of publication:
18.11.1998
Bulletin 1998/47
(21)
Application number:
97902766.0
(22)
Date of filing:
29.01.1997
(51)
International Patent Classification (IPC):
F02B
71/
00
( . )
F02B
71/
06
( . )
F02B
3/
06
( . )
F02B
71/
04
( . )
F02B
75/
04
( . )
(86)
International application number:
PCT/NO1997/000023
(87)
International publication number:
WO 1997/028363
(
07.08.1997
Gazette 1997/34)
(84)
Designated Contracting States:
CH DE DK FI GB LI SE
(30)
Priority:
30.01.1996
NO 19960000402
(60)
Divisional application:
99113550.0 / 0947680
(71)
Applicant:
KVAERNER ASA
1324 Lysaker (NO)
(72)
Inventors:
FORDE, Magnar, Jarle
N-7562 Hundhamaren (NO)
KVAMSDAL, Rolf
N-7041 Trondheim (NO)
(74)
Representative:
HOFFMANN - EITLE
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)
(54)
AN IMPROVEMENT IN FREE-PISTON DEVICES