Global Patent Index - EP 2271839 A2

EP 2271839 A2 20110112 - LOW PRESSURE PUMP

Title (en)

LOW PRESSURE PUMP

Title (de)

NIEDERDRUCKPUMPE

Title (fr)

POMPE BASSE PRESSION

Publication

EP 2271839 A2 20110112 (DE)

Application

EP 09725577 A 20090327

Priority

  • DE 2009000394 W 20090327
  • DE 102008016293 A 20080328

Abstract (en)

[origin: WO2009117993A2] The invention relates to a low pressure pump/vacuum pump for gaseous media, comprising two interacting combs the teeth of which are configured as cycloidal components, the duplicate compressor stages being interconnected. A power unit of the pumps/compressors is driven and the power unit of the other pump/compressor, which is arranged coaxially, is entrained via a rotational connection.

IPC 8 full level

F04C 3/08 (2006.01); F04C 11/00 (2006.01)

CPC (source: EP US)

F04C 2/102 (2013.01 - US); F04C 18/565 (2013.01 - EP US); F04C 23/001 (2013.01 - EP US); F04C 23/008 (2013.01 - EP US); F04C 2220/10 (2013.01 - EP US)

Citation (search report)

See references of WO 2009117993A2

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

DE 102008016293 A1 20091001; BR PI0910111 A2 20151229; BR PI0910111 B1 20191029; CN 101981320 A 20110223; CN 101981320 B 20140122; EP 2271839 A2 20110112; EP 2271839 B1 20151028; JP 2011515617 A 20110519; JP 5101731 B2 20121219; US 2011052438 A1 20110303; US 9022752 B2 20150505; WO 2009117993 A2 20091001; WO 2009117993 A3 20100401

DOCDB simple family (application)

DE 102008016293 A 20080328; BR PI0910111 A 20090327; CN 200980111441 A 20090327; DE 2009000394 W 20090327; EP 09725577 A 20090327; JP 2011501102 A 20090327; US 93487009 A 20090327