Global Patent Index - EP 2071186 B1

EP 2071186 B1 20171122 - Vacuum pump and its operating method

Title (en)

Vacuum pump and its operating method

Title (de)

Vakuumpumpe und Verfahren zum Betrieb

Title (fr)

Pompe à vide et procédé de son fonctionnement

Publication

EP 2071186 B1 20171122 (DE)

Application

EP 08020360 A 20081122

Priority

DE 102007059938 A 20071212

Abstract (en)

[origin: EP2071186A2] The vacuum pump (1) has end pump stages (2) with a gas ballast inlet that is locked by a valve (9) i.e. magnetic valve, and a cooling device (7). An operating electronics (8) is provided for controlling a cooling rate of the cooling device. A temperature sensor (13) is connected with the operating electronics. A selecting unit (12) is connected with the operating electronics for providing choices for selecting different operating methods of the operating electronics. The cooling device has a ventilator for regulating the cooling rate from a default value. An independent claim is also included for a method for operating a vacuum pump.

IPC 8 full level

F04B 25/00 (2006.01); F04B 37/14 (2006.01); F04B 49/06 (2006.01)

CPC (source: EP)

F04B 25/00 (2013.01); F04B 37/14 (2013.01); F04B 49/065 (2013.01); F04B 2205/112 (2013.01)

Citation (examination)

US 4268230 A 19810519 - BASSAN BENJAMIN

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 MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 2071186 A2 20090617; EP 2071186 A3 20140903; EP 2071186 B1 20171122; DE 102007059938 A1 20090618; JP 2009144709 A 20090702; JP 5496498 B2 20140521

DOCDB simple family (application)

EP 08020360 A 20081122; DE 102007059938 A 20071212; JP 2008312968 A 20081209