Burner control means

Claim 1

A FUEL CONTROL MEANS FOR A BURNER COMPRISING FUEL SUPPLY MEANS; FUEL IGNITION MEANS; A THERMOSTAT RESPON SIVE TO A TEMPERATURE WHICH IS INCREASED BY OPERATION OF SAID BURNER; A RELAY HAVING A COIL AND FIRST, SECOND AND THIRD SWITCH MEANS; A FIRST CIRCUIT FOR ENERGISING SAID COIL, THE FIRST CIRCUIT INCLUDING THE THERMOSTAT AND BEING ENERGISED TO OPERATE THE RELAY IN RESPONSE TO THE THERMOSTAT CALLING FOR HEAT; A FIRST DELAY DEVICE COMPRISING A FIRST SWITCH, A FIRST ACTUATOR AND FIRST HEATER MEANS FOR HEATING THE FIRST ACTUATOR TO OPERATE THE FIRST SWITCH; A SECOND CIRCUIT FOR ENERGISING THE FUEL SUPPLY MEANS, THE SECOND WHEN THE FIRST SWITCH IS OPERATED; A THIRD CIRCUIT FOR ENERGISING THE FUEL IGNITION MEANS, THE THIRD CIRCUIT INCLUDING THE THIRD SWITCH MEANS AND BEING ENERGISED WHEN THE RELAY IS OPERATED; CIRCUIT MEANS FOR ENERGISING THE FIRST HEATER MEANS, THE CIRCUIT MEANS INCLUDING THE SECOND SWITCH MEANS AND THE FIRST SWITCH, THE CIRCUIT MEANS BEING FULLY ENERGISED WHEN THE RELAY IS OPERATED AND THE FIRST SWITCH IS UNOPERATED AND BEING ENERGISED TO MAINTAIN THE FIRST SWITCH OPERATED WHEN THE RELAY AND THE FIRST SWITCH ARE OPERATED; A MANUALLY RESETTABLE SECOND DELAY DEVICE COMPRISING A SECOND SWITCH, A SECOND ACTUATOR AND SECOND HEATER MEANS FOR HEATING THE SECOND ACTUATOR TO OPERATE THE SECOND SWITCH; A FOURTH CIRCUIT FOR ENERGISING THE SECOND HEATER MEANS, THE FOURTH CIRCUIT INCLUDING THE FIRST SWITCH MEANS AND THE FIRST SWITCH AND BEING ENERGISED WHEN THE RELAY AND THE FIRST SWITCH ARE OPERATED, THE SECOND SWITCH BEING CONNECTED IN CONTROLLING RELATION TO AND OPERATIVE TO DE-ENERGISE ALL THE CIRCUITS AND THE CIRCUIT MEANS, AND MEANS RESPONSIVE TO SAID FUEL BEING IGNITED TO REDUCE THE ENERGISATION OF THE COIL TO RELEASE THE RELAY.