EP 3475573 A1 20190501 - MOTOR VEHICLE VACUUM PUMP ARRANGEMENT
Title (en)
MOTOR VEHICLE VACUUM PUMP ARRANGEMENT
Title (de)
KFZ-VAKUUMPUMPEN-ANORDNUNG
Title (fr)
ENSEMBLE DE POMPES À VIDES DE VÉHICULE AUTOMOBILE
Publication
Application
Priority
EP 2016064429 W 20160622
Abstract (en)
[origin: WO2017220212A1] The invention relates to a dry-running vane gas pump (10), having a pump housing (20) which forms a pump chamber (22) in which a pump rotor (30) having at least one displaceable slide element (32, 34, 36, 38, 40) is rotatably mounted, wherein at least one fluid inlet opening (60) and at least two fluid outlet openings (52, 54) are associated with the pump chamber (22), wherein a first fluid outlet opening (52) can be closed by a non-return valve (70) and a second fluid outlet opening (54) is permanently open, and wherein the first fluid outlet opening (52) is arranged before the second fluid outlet opening (54) in the direction of rotation of the pump rotor (30).
IPC 8 full level
F04C 25/02 (2006.01); F04C 29/06 (2006.01); F04C 29/12 (2006.01)
CPC (source: EP US)
F04C 18/344 (2013.01 - EP US); F04C 25/02 (2013.01 - EP US); F04C 29/065 (2013.01 - US); F04C 29/12 (2013.01 - EP); F04C 29/126 (2013.01 - US); F04C 29/128 (2013.01 - US); F04C 29/128 (2013.01 - EP); F04C 2220/12 (2013.01 - EP US); F04C 2250/20 (2013.01 - EP US)
Citation (search report)
See references of WO 2017220141A1
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)
WO 2017220212 A1 20171228; CN 109154293 A 20190104; CN 109154293 B 20210413; CN 109154294 A 20190104; CN 109154294 B 20191231; EP 3475573 A1 20190501; EP 3475573 B1 20200805; EP 3475574 A1 20190501; EP 3475574 B1 20200401; JP 2019518905 A 20190704; US 10995757 B2 20210504; US 11261869 B2 20220301; US 2019323506 A1 20191024; US 2020309134 A1 20201001; WO 2017220141 A1 20171228
DOCDB simple family (application)
EP 2017052166 W 20170201; CN 201680086050 A 20160622; CN 201780031711 A 20170201; EP 16731591 A 20160622; EP 17713583 A 20170201; EP 2016064429 W 20160622; JP 2018567038 A 20170201; US 201616311168 A 20160622; US 201716310817 A 20170201