Artificial fog generator

Claim 1

FOG GENERATING APPARATUS COMPRISING A COIL HAVING AN INLET END AND AN OUTLET END, HEATING MEANS COMPRISING A COMBUSTION CHAMBER AND A BURNER THEREFOR ARRANGED TO HEAT SAID COIL BY COMBUSTION GASES COUNTERCURRENTLY TO THE FLOW OF FLUID THROUGH THE COIL FROM THE INLET END TO THE OUTLET END THEREOF, A FOG OIL PUMP AND A WATER PUMP, MEANS COMMUNICATING EACH PUMP WITH THE INLET END OF SAID COIL TO DELIVER FOG OIL AND WATER THERETO IN A PREDETERMINED RATIO, AN INTERNAL COMBUSTION ENGINE FOR OPERATING SAID FOG OIL PUMP AND WATER PUMP, A FUEL PUMP OPERATED BY SAID ENGINE, MEANS COMMUNICATING SAID FUEL PUMP WITH SAID ENGINE TO SUPPLY FUEL THERETO, MEANS COMMUNICATING SAID FUEL PUMP WITH SAID BURNER TO SUPPLY LIQUID FUEL THERETO BY GRAVITY, PREHEATING MEANS FOR PREHEATING THE FUEL THUS DELIVERED TO SAID BURNER BY HEAT EXCHANGE WITH THE HOT COMBUSTION GASES FROM SAID ENGINE, THERMOSTATICALLY CONTROLLED VALVE MEANS CONTROLLING THE AMOUNT OF LIQUID FUEL DELIVERED TO SAID BURNER, SAID THERMOSTATIC MEANS BEING IN HEAT EXCHANGING RELATION TO THE FLUID IN THE OUTLET OF SAID COIL AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF TO CONTROL THE AMOUNT OF FUEL DELIVERED TO SAID BURNER THEREBY MAINTAINING SAID FLUID AT A PREDETERMINED TEMPERATURE.