Global Patent Index - EP 2832998 A4

EP 2832998 A4 20160120 - PUMP DEVICE

Title (en)

PUMP DEVICE

Title (de)

PUMPVORRICHTUNG

Title (fr)

DISPOSITIF DE POMPE

Publication

EP 2832998 A4 20160120 (EN)

Application

EP 13768264 A 20130307

Priority

  • JP 2012082015 A 20120330
  • JP 2013001436 W 20130307

Abstract (en)

[origin: EP2832998A1] [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)

Citation (search report)

  • No further relevant documents disclosed
  • See references of WO 2013145576A1

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)

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