EP 2644893 A3 20170823 - Vacuum evacuation apparatus
Title (en)
Vacuum evacuation apparatus
Title (de)
Vorrichtung für Vakuumentleerung
Title (fr)
Appareil d'évacuation sous vide
Publication
Application
Priority
JP 2012080559 A 20120330
Abstract (en)
[origin: EP2644893A2] The present invention relates to a vacuum evacuation apparatus which can be mounted in a posture that can freely be selected a vacuum evacuation apparatus for evacuating a container from an atmospheric pressure to a high vacuum or less includes a first vacuum pump for evacuating the container to a high vacuum or less, and a second vacuum pump for evacuating the container from an atmospheric pressure to a medium or low vacuum the first vacuum pump and the second vacuum pump are integrally connected to each other into an integral unit.
IPC 8 full level
F04C 23/00 (2006.01); F04D 19/04 (2006.01); F04D 25/16 (2006.01)
CPC (source: EP US)
F04B 25/00 (2013.01 - US); F04C 23/00 (2013.01 - EP US); F04D 19/042 (2013.01 - EP US); F04D 19/046 (2013.01 - EP US); F04D 25/16 (2013.01 - EP US)
Citation (search report)
- [XI] EP 0340685 A2 19891108 - NIPPON FERROFLUIDICS KK [JP]
- [XI] JP S60247075 A 19851206 - HITACHI LTD
- [XI] US 2007020115 A1 20070125 - HUNTLEY GRAEME [GB], et al
- [A] JP 2006037951 A 20060209 - OSAKA VACUUM LTD
- [A] EP 1533530 A1 20050525 - VARIAN SPA [IT]
- [A] WO 2006020473 A1 20060223 - BOC GROUP INC [US], et al
- [A] US 2009047142 A1 20090219 - HOZUMI TAKASHI [JP], et al
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 2644893 A2 20131002; EP 2644893 A3 20170823; JP 2013209928 A 20131010; JP 2016205405 A 20161208; JP 6009193 B2 20161019; JP 6333908 B2 20180530; US 2013259712 A1 20131003
DOCDB simple family (application)
EP 13001550 A 20130326; JP 2012080559 A 20120330; JP 2016179496 A 20160914; US 201313849719 A 20130325