Global Patent Index - EP 1656502 A1

EP 1656502 A1 20060517 - ECCENTRIC SCREW PUMP EQUIPPED WITH A ROTOR THAT IS EROSION-RESISTANT

Title (en)

ECCENTRIC SCREW PUMP EQUIPPED WITH A ROTOR THAT IS EROSION-RESISTANT

Title (de)

EXZENTERSCHNECKENPUMPE MIT EROSIONSFESTEM ROTOR

Title (fr)

POMPE A VIS SANS FIN EXCENTRIQUE MUNIE D'UN ROTOR RESISTANT A L'EROSION

Publication

EP 1656502 A1 20060517 (DE)

Application

EP 04764133 A 20040814

Priority

  • EP 2004009141 W 20040814
  • DE 10338632 A 20030822

Abstract (en)

[origin: CA2535870A1] The invention relates to an eccentric screw pump or an eccentric screw motor comprising a rotor (4) that is configured from a tubular jacket (19) with at least two layers. The outer layer (45) of the rotor jacket consists of a material that is abrasion- and/or corrosion-resistant.

IPC 1-7

F04C 2/107

IPC 8 full level

F04C 2/107 (2006.01)

CPC (source: EP US)

F04C 2/1071 (2013.01 - EP); F04C 2230/231 (2013.01 - EP); F04C 2240/20 (2013.01 - EP); Y10T 29/49242 (2015.01 - EP US); Y10T 29/49865 (2015.01 - EP US)

Citation (search report)

See references of WO 2005021971A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

DE 10338632 A1 20050317; DE 10338632 B4 20051103; AT 385544 T 20080215; BR PI0413690 A 20061024; BR PI0413690 B1 20160830; CA 2535870 A1 20050310; CA 2535870 C 20121127; DE 502004006140 D1 20080320; EP 1656502 A1 20060517; EP 1656502 B1 20080206; ES 2300811 T3 20080616; PT 1656502 E 20080430; RU 2006109022 A 20060727; RU 2340793 C2 20081210; US 2007140882 A1 20070621; US 7909591 B2 20110322; WO 2005021971 A1 20050310

DOCDB simple family (application)

DE 10338632 A 20030822; AT 04764133 T 20040814; BR PI0413690 A 20040814; CA 2535870 A 20040814; DE 502004006140 T 20040814; EP 04764133 A 20040814; EP 2004009141 W 20040814; ES 04764133 T 20040814; PT 04764133 T 20040814; RU 2006109022 A 20040814; US 56924704 A 20040814