Global Patent Index - EP 2378063 A3

EP 2378063 A3 20130501 - Vacuum pump

Title (en)

Vacuum pump

Title (de)

Vakuumpumpe

Title (fr)

Pompe à vide

Publication

EP 2378063 A3 20130501 (DE)

Application

EP 11002484 A 20110325

Priority

DE 102010014884 A 20100414

Abstract (en)

[origin: EP2378063A2] The vacuum pump has a rotary piston pump (4) and a rotary screw pump (6) in the flow direction of the air. Two parallel shafts (5',5'') are provided in a common housing (1) for both pumps. The rotary piston (4') of the rotary piston pump and a screw (6') of the screw pump are arranged on the shaft and another rotary piston (4'') of the rotary piston pump and another screw (6'') of the screw pump are arranged on the pump.

IPC 8 full level

F01C 17/00 (2006.01); F04C 18/12 (2006.01); F04C 18/16 (2006.01); F04C 23/00 (2006.01); F04C 25/02 (2006.01); F04C 28/24 (2006.01); F04C 28/26 (2006.01); F04C 29/00 (2006.01)

CPC (source: EP)

F01C 17/00 (2013.01); F04C 18/12 (2013.01); F04C 18/16 (2013.01); F04C 23/005 (2013.01); F04C 25/02 (2013.01); F04C 28/24 (2013.01); F04C 28/265 (2013.01); F04C 29/0078 (2013.01); F04C 2240/30 (2013.01); F04C 2240/60 (2013.01)

Citation (search report)

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 RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2378063 A2 20111019; EP 2378063 A3 20130501; DE 102010014884 A1 20111020

DOCDB simple family (application)

EP 11002484 A 20110325; DE 102010014884 A 20100414