(19)
(11) EP 1 570 182 A2

(12)

(88) Date of publication A3:
13.01.2005

(43) Date of publication:
07.09.2005 Bulletin 2005/36

(21) Application number: 03813360.9

(22) Date of filing: 10.12.2003
(51) International Patent Classification (IPC)7F04F 1/00
(86) International application number:
PCT/US2003/039095
(87) International publication number:
WO 2004/055367 (01.07.2004 Gazette 2004/27)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 13.12.2002 US 433315 P

(71) Applicant: Spirax Sarco, Inc.
Blythewood, SC 29016 (US)

(72) Inventors:
  • DUKES, Jon W.
    Columbia, SC 29201 (US)
  • PENDERGRASS, Rickie A.
    Rock Hill, SC 29730 (US)
  • PLATTS, Drew L.
    Barnwell, SC 29812 (US)
  • SOARES, Jairo L.
    CEP 04562-040, Sao Paolo - SP (BR)

(74) Representative: Gray, James et al
Withers & Rogers LLP Goldings House, 2 Hays Lane
London SE1 2HW
London SE1 2HW (GB)

   


(54) GAS PRESSURE DRIVEN FLUID PUMP HAVING COMPRESSION SPRING PIVOT MECHANISM AND DAMPING SYSTEM