EP 1318308 A2 20030611 - Vacuum pump
Title (en)
Vacuum pump
Title (de)
Vakuumpumpe
Title (fr)
Pompe à vide
Publication
Application
Priority
JP 2001370627 A 20011204
Abstract (en)
A multiple cylinder (2) having a plurality of cylinders (4, 5) arranged concentrically and a rotor shaft (8) rotatably disposed on the center axis of the multiple cylinder are provided in a pump casing (1). Each of the cylinders that constitute the multiple cylinder has a mounting portion (10, 11), through which the cylinders are integrally fixed to the rotor shaft. <IMAGE>
IPC 1-7
IPC 8 full level
F04D 19/04 (2006.01); F04D 29/26 (2006.01)
CPC (source: EP KR US)
F04D 19/04 (2013.01 - KR); F04D 19/044 (2013.01 - EP US); F04D 19/046 (2013.01 - EP US); F04D 29/266 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
EP 1318308 A2 20030611; EP 1318308 A3 20031203; CN 1429994 A 20030716; JP 2003172291 A 20030620; KR 20030045597 A 20030611; TW 200300819 A 20030616; US 2003103847 A1 20030605
DOCDB simple family (application)
EP 02258145 A 20021127; CN 02154776 A 20021204; JP 2001370627 A 20011204; KR 20020073978 A 20021126; TW 91133405 A 20021114; US 30881902 A 20021203