EP 2715139 B1 20180110 - VACUUM PUMP
Title (en)
VACUUM PUMP
Title (de)
VAKUUMPUMPE
Title (fr)
POMPE À VIDE
Publication
Application
Priority
- JP 2011123980 A 20110602
- JP 2012064346 W 20120529
Abstract (en)
[origin: WO2012165645A1] A vacuum pump (10) includes a pump casing (56) having an inlet port (54a), an outlet port (54b), and pump chambers (50a-50f) defined therein, rotational shafts 60 having opposite ends rotatably supported by bearings (84a, 84b) on the pump casing (56) and extending longitudinally in the pump casing (56), and rotors (62a-62f) housed in the pump chambers (50a-50f) and coupled to the rotational shafts (60) for rotation in unison with the rotational shafts (60). The pump casing (56) has an atmosphere-vented compartment (52) defined therein which is held in fluid communication with the outlet port (54b) of the pump casing (56) and vented to the atmosphere.
IPC 8 full level
F04C 25/02 (2006.01); F04C 13/00 (2006.01); F04C 18/12 (2006.01); F04C 18/18 (2006.01); F04C 23/00 (2006.01); F04C 27/00 (2006.01)
CPC (source: EP KR US)
F04C 13/007 (2013.01 - US); F04C 18/126 (2013.01 - EP US); F04C 18/18 (2013.01 - KR); F04C 23/00 (2013.01 - KR); F04C 23/001 (2013.01 - EP US); F04C 25/02 (2013.01 - EP KR US); F04C 27/009 (2013.01 - EP US); F04C 2220/12 (2013.01 - EP US); F04C 2220/30 (2013.01 - EP US); F04C 2220/40 (2013.01 - EP US); F04C 2240/30 (2013.01 - EP US); F04C 2280/02 (2013.01 - EP US)
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
DOCDB simple family (publication)
WO 2012165645 A1 20121206; CN 103477080 A 20131225; EP 2715139 A1 20140409; EP 2715139 A4 20141217; EP 2715139 B1 20180110; JP 2012251471 A 20121220; JP 5677202 B2 20150225; KR 101760550 B1 20170721; KR 20140023958 A 20140227; TW 201307685 A 20130216; TW I554684 B 20161021; US 2014112815 A1 20140424
DOCDB simple family (application)
JP 2012064346 W 20120529; CN 201280018711 A 20120529; EP 12793624 A 20120529; JP 2011123980 A 20110602; KR 20137028886 A 20120529; TW 101118674 A 20120525; US 201214119858 A 20120529