Global Patent Index - EP 2149710 A3

EP 2149710 A3 20170315 - Vacuum pump arrangement

Title (en)

Vacuum pump arrangement

Title (de)

Vakuumpumpanordnung

Title (fr)

Agencement de pompe à vide

Publication

EP 2149710 A3 20170315 (DE)

Application

EP 09008725 A 20090703

Priority

DE 102008035972 A 20080731

Abstract (en)

[origin: EP2149710A2] The arrangement has a vacuum chamber (100) and a vacuum pump (102), which has a rotatable rotor (106) arranged in a housing (104). The pump includes a flange (108) connected with the housing. A retaining element (120) is formed such that the flange is protected against the movement provided perpendicular to a flange plane by rotation of the rotor. The retaining element has a ring (122) connected with the vacuum chamber, and a stopper (124). The retaining element connects the flange and a chamber flange in a form fit manner.

IPC 8 full level

F04D 19/04 (2006.01); F04D 27/02 (2006.01); F04D 29/60 (2006.01)

CPC (source: EP)

F04D 19/042 (2013.01); F04D 27/0292 (2013.01); F04D 29/601 (2013.01)

Citation (search report)

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

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

EP 2149710 A2 20100203; EP 2149710 A3 20170315; EP 2149710 B1 20190116; DE 102008035972 A1 20100204

DOCDB simple family (application)

EP 09008725 A 20090703; DE 102008035972 A 20080731