EP 2194276 B1 20200909 - Two-shaft vacuum pump
Title (en)
Two-shaft vacuum pump
Title (de)
Zweiwellige Vakuumpumpe
Title (fr)
Pompe à vide à deux arbres
Publication
Application
Priority
DE 102008060539 A 20081204
Abstract (en)
[origin: EP2194276A2] The vacuum pump has two shafts (10,14) and two pistons (12,16) which are connected with the shafts respectively. The vacuum pump has a drive which displaces the shaft in rotation and a bearing (22,24,26,28) for rotatable support of the shaft. A releasing structure is provided between the piston and the bearing.
IPC 8 full level
F04C 18/12 (2006.01); F04C 28/28 (2006.01)
CPC (source: EP)
F04C 18/126 (2013.01); F04C 28/28 (2013.01); F04C 29/0071 (2013.01); F04C 2240/20 (2013.01)
Citation (examination)
- US 4662826 A 19870505 - NITTA MICHIO [JP], et al
- US 6068452 A 20000530 - OKADA MASAHIKO [JP], et al
- EP 1719929 A1 20061108 - VALEO THERMAL SYS JAPAN CO [JP]
- EP 1793080 A1 20070606 - PFEIFFER VACUUM GMBH [DE]
- DE 19807923 A1 19981112 - LUK FAHRZEUG HYDRAULIK [DE]
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 SM TR
DOCDB simple family (publication)
EP 2194276 A2 20100609; EP 2194276 A3 20140827; EP 2194276 B1 20200909; DE 102008060539 A1 20100610
DOCDB simple family (application)
EP 09014529 A 20091120; DE 102008060539 A 20081204