Global Patent Index - EP 2475918 B8

EP 2475918 B8 20130807 - VALVE UNIT AND GAS METER INCLUDING SAID VALVE UNIT

Title (en)

VALVE UNIT AND GAS METER INCLUDING SAID VALVE UNIT

Title (de)

VENTILEINHEIT UND GASZÄHLER MIT DER VENTILEINHEIT

Title (fr)

VALVE ET COMPTEUR DE GAZ COMPRENANT LADITE VALVE

Publication

EP 2475918 B8 20130807 (EN)

Application

EP 10725157 A 20100611

Priority

  • IT PD20090257 A 20090908
  • EP 2010058260 W 20100611

Abstract (en)

[origin: WO2011029638A1] A valve unit for controlling the delivery of a combustible gas, in particular for delivery via a gas metering apparatus including a main gas through-flow pipe (2), the unit comprising a servovalve with a first valve seat (3) provided on the pipe and associated with a respective first shutter (6) with diaphragm control (7) for the opening of the seat (3) in opposition to a first return spring (22), an operating chamber (10) for controlling the servovalve, the chamber being in communication with an inlet section (4) of the main pipe (2), upstream of the first valve seat (3), one side (7a) of the diaphragm (7) being subjected to the pressure prevailing in the chamber (10), the other side (7b) being subjected to the pressure prevailing downstream of the first valve seat, in the region of an outlet section (5) of the pipe (2), the operating chamber (10) being in communication with the outlet section (5) via a second valve seat (9) co-operating with a second shutter (8).

IPC 8 full level

F16K 31/128 (2006.01); F16K 31/165 (2006.01); F16K 31/40 (2006.01)

CPC (source: EP US)

F16K 31/128 (2013.01 - EP); F16K 31/165 (2013.01 - EP); F16K 31/402 (2013.01 - EP); Y10T 137/7762 (2015.04 - EP US); Y10T 137/7769 (2015.04 - EP US); Y10T 137/7782 (2015.04 - 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 SE SI SK SM TR

DOCDB simple family (publication)

WO 2011029638 A1 20110317; CA 2772844 A1 20110317; CN 102597588 A 20120718; EP 2475918 A1 20120718; EP 2475918 B1 20130508; EP 2475918 B8 20130807; ES 2422170 T3 20130909; IT 1395526 B1 20120928; IT PD20090257 A1 20110309; MX 2012002792 A 20120613; RU 2012113730 A 20131020; RU 2528193 C2 20140910; UA 103947 C2 20131210; US 2012160345 A1 20120628

DOCDB simple family (application)

EP 2010058260 W 20100611; CA 2772844 A 20100611; CN 201080039621 A 20100611; EP 10725157 A 20100611; ES 10725157 T 20100611; IT PD20090257 A 20090908; MX 2012002792 A 20100611; RU 2012113730 A 20100611; UA A201204350 A 20100611; US 201013394245 A 20100611