(19)
(11) EP 1 384 005 A1

(12)

(43) Date of publication:
28.01.2004 Bulletin 2004/05

(21) Application number: 02728572.5

(22) Date of filing: 27.03.2002
(51) International Patent Classification (IPC)7F04C 2/344, F04C 15/04
(86) International application number:
PCT/US2002/009298
(87) International publication number:
WO 2002/081921 (17.10.2002 Gazette 2002/42)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.04.2001 US 281634 P

(71) Applicant: Argo-Tech Corporation
Cleveland,Ohio 44117-1795 (US)

(72) Inventors:
  • CLEMENTS, Martin, A.
    North Royalton, OH 44133 (US)
  • HANSEN, Lowell, D.
    Sagamore Hills, OH 44067 (US)

(74) Representative: Johnstone, Douglas Ian et al
Baron & Warren,19 South End
Kensington,London W8 5BU
Kensington,London W8 5BU (GB)

   


(54) VARIABLE DISPLACEMENT PUMP HAVING A ROTATING CAM RING