Global Patent Index - EP 1488107 B1

EP 1488107 B1 20061129 - ECCENTRIC PUMP AND METHOD FOR OPERATION OF SAID PUMP

Title (en)

ECCENTRIC PUMP AND METHOD FOR OPERATION OF SAID PUMP

Title (de)

EXZENTERPUMPE UND VERFAHREN ZUM BETRIEB DIESER PUMPE

Title (fr)

POMPE A EXCENTRIQUE ET PROCEDE PERMETTANT DE FAIRE FONCTIONNER LADITE POMPE

Publication

EP 1488107 B1 20061129 (DE)

Application

EP 03744779 A 20030218

Priority

  • DE 10212940 A 20020322
  • EP 0301597 W 20030218

Abstract (en)

[origin: WO03081048A1] The invention relates to a pump (1) with a housing (2), having an inlet (28) and an outlet (29), a drive (5), a fixed cylinder (2) central to a mid-axis (9), a displacer (18), rotating eccentrically within the cylinder (2), a crank drive (13) for the displacer (18), a circumferential sickle-shaped pump chamber (26) between the cylinder (2) and displacer (18) and a helical sealing element (27, 27', 27'', 39) in the pumping chamber (26). According to the invention, the pump is embodied as a dry vacuum pump, whereby the displacer (18) circulates in the cylinder (2) without making contact.

IPC 8 full level

F04C 18/107 (2006.01); F04C 25/02 (2006.01); F04C 28/18 (2006.01)

CPC (source: EP US)

F04C 18/107 (2013.01 - EP US); F04C 2220/50 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 03081048 A1 20031002; AU 2003215561 A1 20031008; DE 10212940 A1 20031002; DE 50305843 D1 20070111; EP 1488107 A1 20041222; EP 1488107 B1 20061129; JP 2005520988 A 20050714; JP 2010270765 A 20101202; US 2005163632 A1 20050728; US 7186098 B2 20070306

DOCDB simple family (application)

EP 0301597 W 20030218; AU 2003215561 A 20030218; DE 10212940 A 20020322; DE 50305843 T 20030218; EP 03744779 A 20030218; JP 2003578750 A 20030218; JP 2010203362 A 20100910; US 50873404 A 20040921