(19)
(11) EP 1 536 135 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.04.2007 Bulletin 2007/16

(43) Date of publication A2:
01.06.2005 Bulletin 2005/22

(21) Application number: 04028061.2

(22) Date of filing: 25.11.2004
(51) International Patent Classification (IPC): 
F04B 9/105(2006.01)
F04B 9/117(2006.01)
 F04B 9/113(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK YU

(30) Priority: 26.11.2003 US 525349 P

(71) Applicant: ELGIN SWEEPER
Elgin Illinois 60120-5370 (US)

(72) Inventors:
  • Padgett, John D.
    Illinois 60177 8N606 Pasec Place Elgin (US)
  • Strauser, Daniel P.
    Elgin Illinois 60123 (US)

(74) Representative: Wenzel & Kalkoff 
Flasskuhle 6
58452 Witten
58452 Witten (DE)

   


(54) A pump


(57) A closed loop rodder pump is disclosed which can include a tube assembly and a reciprocating cylinder assembly disposed therein. The cylinder assembly can include a piston portion and a plunger. The piston portion can sealingly engage the tube assembly. In some embodiments, the cylinder assembly can include a second plunger to provide the pump with a dual-acting feature. The rodder pump can be used in a water jetter cleaning system of a vehicle for cleaning catch basins and/or sewers.







Search report