Patent ID: 8050417
Filing Date: 2011-11-01
Classification: F16K

Abstract:
1. An auxiliary electromagnetic valve for its incorporation into a main valve of a diaphragm type gas servo valve for the supply to a domestic heating appliance, which comprises a body that includes an auxiliary gas outlet conduit with a valve seat, said auxiliary outlet conduit being connected to a gas outlet conduit of the servo valve, a pivoting arm housed in the body and which comprises an auxiliary closure member for said valve seat, an electromagnet housed in the body, a ferromagnetic armature inserted in the pivoting arm and which closes the magnetic circuit of the electromagnet when it is switched on, moving said pivoting arm and opening the valve seat, a return means for the return of the pivoting arm to a rest position in which the valve seat is kept closed, and a support plate fixed to the body that supports the return means, wherein the electromagnetic valve is built for its integration into a cavity of the main valve that is connected to a control chamber of said main valve, the body of the auxiliary valve being configured by means of a peripheral surface fitted to said cavity, a substantially flat lower surface supported against the bottom of the cavity by means of fitting means, an intermediate transverse surface on which the valve seat is fitted, a transverse perimetral rim upon which the support plate is fixed, and an auxiliary hole that connects the valve seat to the gas outlet conduit.