Global Patent Index - EP 2539554 B1

EP 2539554 B1 20170906 - PROPORTIONAL VALVE, IN PARTICULAR FOR A CAMSHAFT ADJUSTER

Title (en)

PROPORTIONAL VALVE, IN PARTICULAR FOR A CAMSHAFT ADJUSTER

Title (de)

PROPORTIONALVENTIL, INSBESONDERE FÜR EINEN NOCKENWELLENVERSTELLER

Title (fr)

VALVE PROPORTIONNELLE, EN PARTICULIER POUR UN DISPOSITIF DE RÉGLAGE D'ARBRE À CAMES

Publication

EP 2539554 B1 20170906 (DE)

Application

EP 11701505 A 20110125

Priority

  • DE 102010009401 A 20100226
  • EP 2011050977 W 20110125

Abstract (en)

[origin: WO2011104058A1] The invention relates to a proportional valve (1), comprising a piston guide sleeve (4) and a valve piston (3) that can be moved in the piston guide sleeve (4), and further comprising a check valve (13) arranged in a pressure medium inlet (10) to the proportional valve (1). According to the invention a proportional valve (1) is provided, in which the adaption of the check valve (13) to the proportional valve (1) is improved with respect to the prior art. This is achieved in that the check valve (13) is arranged in an annular gap (14) surrounding the piston guide sleeve (4) in the region of the pressure medium inlet (10).

IPC 8 full level

F01L 1/344 (2006.01); F16K 15/14 (2006.01)

CPC (source: EP KR US)

F01L 1/24 (2013.01 - KR); F01L 1/26 (2013.01 - KR); F01L 1/344 (2013.01 - EP KR); F01L 9/10 (2021.01 - KR); F01L 13/00 (2013.01 - KR); F16H 7/08 (2013.01 - KR); F16K 15/14 (2013.01 - KR); Y10T 29/49405 (2015.01 - EP US); Y10T 137/7837 (2015.04 - EP US)

Citation (examination)

None

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)

DE 102010009401 A1 20110901; BR 112012021449 A2 20160531; CN 102770627 A 20121107; CN 102770627 B 20150506; EP 2539554 A1 20130102; EP 2539554 B1 20170906; KR 20130008013 A 20130121; US 2012312396 A1 20121213; WO 2011104058 A1 20110901

DOCDB simple family (application)

DE 102010009401 A 20100226; BR 112012021449 A 20110125; CN 201180011295 A 20110125; EP 11701505 A 20110125; EP 2011050977 W 20110125; KR 20127022117 A 20110125; US 201113580215 A 20110125