Global Patent Index - EP 2440788 A2

EP 2440788 A2 20120418 - VACUUM PUMP

Title (en)

VACUUM PUMP

Title (de)

VAKUUMPUMPE

Title (fr)

POMPE À VIDE

Publication

EP 2440788 A2 20120418 (DE)

Application

EP 10723116 A 20100607

Priority

  • EP 2010057899 W 20100607
  • DE 102009024336 A 20090609

Abstract (en)

[origin: WO2010142631A2] The invention relates to a vacuum pump comprising pump elements (14) in a suction chamber (12). One of the pump elements (14) is driven by an electric motor (24). A frequency converter (30) is provided for changing the rotational speed of the electric motor (24). The frequency converter (30) is arranged in a frequency converter housing (32) connected directly to the pump housing (10). An air cooler (34) and a liquid cooler (36) are arranged inside the frequency converter housing (32), for cooling the frequency converter (30).

IPC 8 full level

F04C 18/16 (2006.01); F04C 29/04 (2006.01)

CPC (source: EP KR US)

F04C 18/16 (2013.01 - KR); F04C 25/02 (2013.01 - KR); F04C 29/047 (2013.01 - EP KR US); F04C 18/16 (2013.01 - EP US); F04C 2220/10 (2013.01 - EP KR US); F04C 2240/30 (2013.01 - EP KR US); F04C 2240/40 (2013.01 - KR); F04C 2240/808 (2013.01 - EP KR US)

Citation (search report)

See references of WO 2010142631A2

Designated contracting state (EPC)

AL 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 SM TR

DOCDB simple family (publication)

WO 2010142631 A2 20101216; WO 2010142631 A3 20110728; CN 102450115 A 20120509; CN 102450115 B 20150715; DE 102009024336 A1 20101223; EP 2440788 A2 20120418; EP 2440788 B1 20170118; JP 2012529590 A 20121122; JP 5756097 B2 20150729; KR 101740235 B1 20170608; KR 20120027052 A 20120320; TW 201104077 A 20110201; US 2012315165 A1 20121213; US 9234519 B2 20160112

DOCDB simple family (application)

EP 2010057899 W 20100607; CN 201080023678 A 20100607; DE 102009024336 A 20090609; EP 10723116 A 20100607; JP 2012514436 A 20100607; KR 20127000675 A 20100607; TW 99117561 A 20100601; US 201013376691 A 20100607