Global Patent Index - EP 3179108 A3

EP 3179108 A3 20170712 - PUMP WITH ADJUSTABLE TRANSPORT VOLUME

Title (en)

PUMP WITH ADJUSTABLE TRANSPORT VOLUME

Title (de)

PUMPE MIT VERSTELLBAREM FÖRDERVOLUMEN

Title (fr)

POMPE À DÉBIT VOLUMIQUE RÉGLABLE

Publication

EP 3179108 A3 20170712 (DE)

Application

EP 16203242 A 20161209

Priority

DE 102015121672 A 20151211

Abstract (en)

[origin: US2017167484A1] A pump which exhibits an adjustable delivery volume, the pump including (a) a pump housing comprising a delivery chamber; (b) a delivery rotor which can be rotated about a rotary axis within the delivery chamber, for delivering the fluid; (c) an adjusting device, including: (c1) an adjusting member which can be adjusted in the pump housing in order to adjust the delivery volume of the pump; (c2) a first setting chamber for generating a first setting pressure for adjusting the adjusting member; (c3) and a second setting chamber for generating a second setting pressure for adjusting the adjusting member; (d) a fluidically operable valve for adjusting the setting pressure of the first setting chamber; (e) and an electromagnetic valve, comprising: a pressure port for a setting fluid which is diverted from the high-pressure side; and a relief port for the setting fluid.

IPC 8 full level

F04C 14/22 (2006.01); F04C 2/344 (2006.01)

CPC (source: CN EP US)

F04C 2/344 (2013.01 - EP US); F04C 2/3442 (2013.01 - US); F04C 14/22 (2013.01 - CN); F04C 14/223 (2013.01 - US); F04C 14/226 (2013.01 - EP US)

Citation (search report)

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)

DE 102015121672 B3 20170504; CN 106870359 A 20170620; CN 106870359 B 20200710; EP 3179108 A2 20170614; EP 3179108 A3 20170712; EP 3179108 B1 20190731; US 10473100 B2 20191112; US 2017167484 A1 20170615

DOCDB simple family (application)

DE 102015121672 A 20151211; CN 201611140878 A 20161212; EP 16203242 A 20161209; US 201615370358 A 20161206