Control system for ovens

Claim 1

IN A SINGLE CAVITY GAS OVEN, THE COMBINATION COMPRISING, A GAS MANIFOLD, AN OVEN BURNER LOCATED AT THE BOTTOM OF THE CAVITY AND A BROILER BURNER LOCATED AT THE TOP OF THE CAVITY, MEANS INCLUDING FIRST ANS SECOND SOLENOID VALVES FOR REGULATING THE SUPPLY OF GAS FROM THE MANIFOLD TO THE RESPECTIVE BURNERS, A PILOT SUPPLY LINE COUPLED TO SAID MANIFOLD, A BROILER PILOT COMMUNICATING WITH SAID SUPPLY LINE, SAID BROILER PILOT LOCATED ADJACENT SAID BROILER BURNER AND HAVING AN ELECTRICAL IGNITING MEANS THEREFOR, FIRST CIRCUIT MEANS FOR SAID IGNITING MEANS, SELECTOR MEANS HAVING A PLURALITY OF OPERATIVE POSITIONS FOR INDEPENDENTLY ENERGIZING SAID SOLENOID VALVES, OTHER CIRCUIT MEANS COUPLING THE SELECTOR MEANS IN SEPARATE SERIES CIRCUITS WITH THE RESPECTIVE SOLENOID VALVES, SAID SELECTOR MEANS BEING SO CONSTRUCTED AND ARRANGED THAT WHEN IT IS IN ONE POSITION THE FIRST SOLENOID VALVE FOR SAID OVEN BURNER IS ACTIVATED AND SO THAT WHEN IT IS IN ANOTHER POSITION SAID CIRCUIT MEANS FOR SAID IGNITING MEANS IS ACTIVATED, A PILOT GAS VALVE INTERPOSED IN SAID PILOT SUPPLY LINE BETWEEN THE MANIFOLD AND THE BROILER PILOT AND COUPLED TO THE SELECTOR MEANS FOR OPERATION THEREWITH SO THAT THE FLOW OF GAS TO SAID BROILER PILOT IS PRECLUDED WHEN SAID SELECTOR IS IN SAID ONE POSITION AND SO THAT THE FLOW OF GAS TO SAID BROILER PILOT IS PERMITTED WHEN SAID SELECTOR IS IN SAID OTHER POSITION.