EP 2832998 A1 20150204 - PUMP DEVICE
Title (en)
PUMP DEVICE
Title (de)
PUMPVORRICHTUNG
Title (fr)
DISPOSITIF DE POMPE
Publication
Application
Priority
- JP 2012082015 A 20120330
- JP 2013001436 W 20130307
Abstract (en)
[Object] To provide a pump device capable of achieving a further reduction in power consumption. [Solving Means] A pump device (1) according to an embodiment of the present invention includes a drive motor (M), a first pump unit for evacuation (11) including a first pump chamber and a first piston (21v), and a second pump unit for pressurization (12) including a second pump chamber and a second piston (21c). The second piston (21c) has a phase advanced with a rotational phase difference (Õ) of more than 0° and less than 80° with respect to the first piston (21v).
IPC 8 full level
F04B 27/00 (2006.01); F04B 35/04 (2006.01); F04B 39/00 (2006.01); F04B 41/06 (2006.01)
CPC (source: EP US)
F04B 1/02 (2013.01 - US); F04B 27/005 (2013.01 - EP US); F04B 35/04 (2013.01 - EP US); F04B 39/0094 (2013.01 - EP US); F04B 41/06 (2013.01 - EP US); F04B 2201/02011 (2013.01 - EP US); F04B 2201/0802 (2013.01 - EP US); F04B 2203/0201 (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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2832998 A1 20150204; EP 2832998 A4 20160120; EP 2832998 B1 20170118; CN 104204522 A 20141210; CN 104204522 B 20160824; JP 5878625 B2 20160308; JP WO2013145576 A1 20151210; KR 101602089 B1 20160309; KR 20140126757 A 20141031; TW 201400702 A 20140101; TW I619883 B 20180401; US 2015086402 A1 20150326; WO 2013145576 A1 20131003
DOCDB simple family (application)
EP 13768264 A 20130307; CN 201380017010 A 20130307; JP 2013001436 W 20130307; JP 2014507375 A 20130307; KR 20147026361 A 20130307; TW 102109327 A 20130315; US 201314386641 A 20130307