Clothes dryer control system

Claim 1

FOR USE IN COMBINATION WITH A CLOTHES DRIER HAVING A ROTATABLE DRIER DRUM, A BLOWER OPERABLE TO INDUCE A FLOW OF AIR THROUGH SAID DRUM FROM AN AIR INLET TO AN AIR OUTLET, ELECTRIC MOTOR MEANS OPERABLE WHEN ENERGIZED TO SIMULTANEOUSLY ROTATE SAID DRUM AND OPERATE SAID BLOWER, A FUEL BURNER FOR HEATING AIR IN SAID INLET, AND A FUEL SUPPLY LINE FOR SUPPLYING FUEL TO SAID BURNER; CONTROL MEANS COMPRISING A NORMALLY CLOSED SOLENOID OPERATED VALVE IN SAID SUPPLY LINE OPERABLE WHEN ENERGIZED TO SUPPLY FUEL TO SAID BURNER, MODULATING VALVE MEANS IN SAID SUPPLY LINE OPERABLE WHEN SAID SOLENOID VALVE IS ENERGIZED TO ADJUST THE RATE OF FLOW OF FUEL THROUGH SAID SUPPLY LINE TO SAID BURNER, FIRST TEMPERATURE RESPONSIVE MEANS FOR OPERATING SAID MODULATING VALVE MEANS TO REGULATE THE RATE OF FLOW OF FUEL TO SAID BURNER TO MAINTAIN THE TEMPERATURE OF AIR ADJACENT SAID AIR OUTLET AT A SUBSTANTIALLY CONSTANT TEMPERATURE, A MULTIPLE POSITION DRYING CYCLE PROGRAMMER INCLUDING A FIRST SWITCH CONNECTED TO SAID MOTOR MEANS AND INCLUDING A SWITCH CONNECTED TO SAID SOLENOID CONTROLLED VALVE FOR SELECTIVELY ENERGIZING SAID MOTOR MEANS AND SAID SOLENOID CONTROLLED VALVE, RESPECTIVELY, SAID PROGRAMMER BEING OPERABLE IN A FIRST POSITION TO CLOSE SAID FIRST AND SECOND SWITCHES TO ENERGIZE SAID MOTOR MEANS AND SAID SOLENOID CONTROLLED VALVE AND BEING OPERABLE IN A SECOND POSITION TO CLOSE SAID FIRST SWITCH AND OPEN SAID SECOND SWITCH TO ENERGIZE SAID MOTOR MEANS WHILE DE-ENERGIZING SAID SOLENOID CONTROLLED VALVE, AND SECOND TEMPERATURE RESPONSIVE MEANS FOR SHIFTING SAID PROGRAM SWITCH FROM SAID FIRST POSITION TO SAID SECOND POSITION IN RESPONSE TO A DECREASE IN THE TEMPERATURE OF AIR ADJACENT SAID INLET TO A PRESELECTED TEMPERATURE.