(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)7F04C 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