NONVOLATILE GAS VALVE Russian patent published in 2009 - IPC F23N5/24 F23D14/60 

FIELD: power engineering.

SUBSTANCE: invention may be used in gas burner devices of outside steam and water-heating boilers. Nonvolatile gas valve comprises igniting burner with igniter, start button, detectors of draught, temperature, flame and network gas, thermal bimetallic plate, stop valve, main burner, furnace, which with the help of pulse tubes are connected to membrane device, and water supply gate with valve of gate seat. Membrane device is installed on thread of water supply gate body with the possibility of gas supply above valve and consists of membrane connected to stem, upper and lower covers tightly joined to each other and to membrane, at the same time the following components are installed on upper cover - jet valve of pressure source, drain nozzle, comb with jet and three nozzles connected accordingly to detectors of draught, temperature and flame, and stem is equipped with sealing element and is spring-loaded with spring, besides under-membrane cavity is isolated from valve body and is equipped with sealing element.

EFFECT: simplified design, increased reliability and efficiency of valve due to constant automatic control of power.

2 dwg