(19)
(11)
EP 1 034 374 A1
(12)
(43)
Date of publication:
13.09.2000
Bulletin 2000/37
(21)
Application number:
98961704.8
(22)
Date of filing:
25.11.1998
(51)
International Patent Classification (IPC)
7
:
F04C
2/04
,
F04C
18/04
,
F01C
1/04
(86)
International application number:
PCT/NZ9800/175
(87)
International publication number:
WO 9928/629
(
10.06.1999
Gazette 1999/23)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
27.11.1997
NZ 32927497
(71)
Applicant:
The Continuous-Cycle Engine Development Co. Limited
Pakuranga,Auckland (NZ)
(72)
Inventor:
SMITH, Roger, John
Papakura (NZ)
(74)
Representative:
Ritter, Stephen David et al
Mathys & Squire100 Grays Inn Road
London WC1X 8AL
London WC1X 8AL (GB)
(54)
ROTARY PISTON PUMP AND METHOD OF OPERATION