Gas safety regulator apparatus

Claim 1

GAS CONTROL AND SAFETY APPARATUS COMPRISING A MAIN BURNER AND A CONSTANTLY BURNING PILOT BURNER, A HOLLOW CASING HAVING AN INLET AND AN OUTLET, A MANUAL CONTROL VALVE AND A REGULATOR CONTROL VALVE, SAID MAIN BURNER BEING IN A SPACE TO BE HEATED, SAID PILOT BURNER BEING CONTINUOUSLY SUPPLIED WITH GAS FROM A SUPPLY LINE AND SAID MAIN BURNER BEING SUPPLIED WITH GAS FROM SAID SUPPLY LINE IN SERIES FLOW THROUGH BOTH SAID MANUAL CONTROL VALVE AND SAID REGULATOR VALVE, A FLAME SWITCH IN HEATEXCHANGE RELATIONSHIP WITH THE PILOT BURNER ADAPTED TO CLOSE WHEN THE PILOT BURNER IS LIGHTED, A SAFETY VALVE CONNECTED IN SERIES FLOW WITH SAID MANUAL CONTROL AND REGULATOR CONTROL VALVES BETWEEN SAID REGULATOR CONTROL VALVE AND SAID OUTLET, SAID SAFETY VALVE BEING ADAPTED TO CONTROL THE FLOW OF GAS THROUGH SAID OUTLET, GRADUALLY OPERATIVE THERMOSTATIC MEANS ADAPTED WHEN HEATED TO OPEN SAID SAFETY VALVE AND WHEN COOL TO CLOSE IT, AND AN ELECTRIC HEATER ELEMENT FOR SAID THERMOSTATIC MEANS, SAID HEATER ELEMENT BEING CONNECTED TO RECEIVE CURRENT WHEN SAID FLAME SWITCH IS CLOSED, SAID MANUAL CONTROL VALVE, REGULATOR CONTROL VALVE, SAFETY VALVE, THERMOSTATIC MEANS AND ELECTRIC HEATER ELEMENT BEING LOCATED IN SAID CASING.