Global Patent Index - EP 3234426 A1

EP 3234426 A1 20171025 - PRESSURE-LIMITING VALVE

Title (en)

PRESSURE-LIMITING VALVE

Title (de)

DRUCKBEGRENZUNGSVENTIL

Title (fr)

SOUPAPE DE LIMITATION DE PRESSION

Publication

EP 3234426 A1 20171025 (DE)

Application

EP 15816434 A 20151216

Priority

  • DE 102014225983 A 20141216
  • EP 2015080020 W 20151216

Abstract (en)

[origin: WO2016097000A1] The invention relates to a pressure-limiting valve, comprising a housing (2) and a pressure adjustment device (6) provided therein. Furthermore, the pressure-limiting valve contains a valve seat (20), which is arranged in the housing and which can be closed by means of a spring-loaded closing element (14) of the pressure adjustment device. The housing is composed of cast iron having spherical graphite, wherein the housing is surface-hardened at least in a region of the valve seat.

IPC 8 full level

C21D 5/00 (2006.01); F16K 27/00 (2006.01)

CPC (source: EP US)

C21D 1/06 (2013.01 - EP); C21D 5/00 (2013.01 - EP); F16K 17/0466 (2013.01 - US); F16K 27/00 (2013.01 - EP US); F16K 27/041 (2013.01 - US); F16K 17/06 (2013.01 - US); Y10T 137/774 (2015.04 - US); Y10T 137/7762 (2015.04 - US)

Citation (search report)

See references of WO 2016097000A1

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 102014225983 A1 20160616; CN 107002897 A 20170801; CN 107002897 B 20210803; EP 3234426 A1 20171025; EP 3234426 B1 20190626; PL 3234426 T3 20191129; US 10890267 B2 20210112; US 2019093782 A1 20190328; WO 2016097000 A1 20160623; WO 2016097000 A9 20170330

DOCDB simple family (application)

DE 102014225983 A 20141216; CN 201580068495 A 20151216; EP 15816434 A 20151216; EP 2015080020 W 20151216; PL 15816434 T 20151216; US 201515535780 A 20151216