Global Patent Index - EP 1062429 A1

EP 1062429 A1 20001227 - SEALING SYSTEM FOR A GEAR PUMP FOR HIGH-VISCOSITY RUBBER, POLYMER, MATERIALS AND SIMILAR PRODUCTS TO BE PUMPED

Title (en)

SEALING SYSTEM FOR A GEAR PUMP FOR HIGH-VISCOSITY RUBBER, POLYMER, MATERIALS AND SIMILAR PRODUCTS TO BE PUMPED

Title (de)

ABDICHTUNGSSYSTEM FÜR ZAHNRADPUMPEN FÜR HOCHVISKOSEN KAUTSCHUK, POLYMERE STOFFE UND SONSTIGE ZU FÖRDERNDE PRODUKTE

Title (fr)

SYSTEME D'ETANCHEITE DE POMPES A ENGRENAGES POUR CAOUTCHOUC HAUTEMENT VISQUEUX, MATERIAUX POLYMERES ET AUTRES PRODUITS A REFOULER

Publication

EP 1062429 A1 20001227 (DE)

Application

EP 99934226 A 19990120

Priority

  • DE 9900140 W 19990120
  • DE 19804132 A 19980203

Abstract (en)

[origin: WO9940324A1] Sealing system for roller bearing mountings of gear pump rotors and similar rotor shafts to provide protection against the medium to be pumped in pumps and mixers, in addition to other sealing elements for rotor shafts in the form of sealing discs (3) which allow a defined leakage current to drain off in the envisaged leakage flow channels (2, 10, 4a, 7) so that the roller bearing mountings can be protected from the pressurized or pumped media.

IPC 1-7

F04C 2/14; F04C 13/00

IPC 8 full level

F01C 21/02 (2006.01); F04C 2/18 (2006.01); F04C 13/00 (2006.01); F04C 15/00 (2006.01)

CPC (source: EP)

F01C 21/02 (2013.01); F04C 2/18 (2013.01); F04C 13/002 (2013.01); F04C 15/0046 (2013.01); F04C 2240/52 (2013.01)

Citation (search report)

See references of WO 9940324A1

Designated contracting state (EPC)

CH DE FR GB IT LI SE

DOCDB simple family (publication)

WO 9940324 A1 19990812; AU 3246099 A 19990823; DE 19804132 C1 19990909; DE 19980191 D2 20010412; EP 1062429 A1 20001227

DOCDB simple family (application)

DE 9900140 W 19990120; AU 3246099 A 19990120; DE 19804132 A 19980203; DE 19980191 T 19990120; EP 99934226 A 19990120