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Smoke generated method and means

  • US 3,250,723 A
  • Filed: 09/06/1962
  • Issued: 05/10/1966
  • Est. Priority Date: 09/06/1962
  • Status: Expired due to Term
First Claim
Patent Images

1. A PORTABLE SMOKE GENERATOR COMPRISING, IN COMBINATION, AND ELONGATED CABINET HAVING A BOTTOM, TWO SIDES, TWO ENDS AND A HINGEDLY MOUNTED TOP SECURED TO ONE OF SAID SIDES, ELECTRICAL INLET MEANS CONNECTED TO ONE END OF SAID CABINET AND ELECTRICALLY CONNECTIBLE TO A SOURCE OF ELECTRIC CURRENT, A TIMING SWITCH MOUNTED ON SAID ONE SIDE OF SAID CABINET ADJACENT SAID ONE END OF SAID CABINET AND ELECTRICALLY CONNECTED TO SAID ELECTRICAL INLET MEANS, A BLOWER FAN POSITIONED WITHIN SAID CABINET AND MOUNTED ON THE OPPOSITE SIDE OF SAID CABINET, A BLOWER FAN SWITCH ELECTRICALLY CONNECTED TO SAID BLOWER FAN AND SAID TIMING SWITCH, SAID BLOWER FAN SWITCH BEING OPERABLE TO REGULATE THE SPEED OF OPERATION OF SAID BLOWER FAN, AND ELECTRICALLY OPERATED AIR COMPRESSOR MOUNTED ON SAID BOTTOM OF SAID CABINET ADJACENT SAID ONE END THEREOF AND ELECTRICALLY CONNECTED TO SAID TIMING SWITCH, AN AIR STORAGE TANK MOUNTED ON SAID BOTTOM OF SAID CABINET ADJACENT SAID ONE END THEREOF, A COMPRESSOR CONDIUT CONNECTED AT ITS END PORTIONS TO SAID COMPRESSOR AND TO SAID AIR STORAGE TANK TO SUPPLY AIR UNDER PRESSURE TO SAID AIR STORAGE TANK, AN AIR PRESSURE GAUGE OPERATIVELY CONNECTED TO SAID AIR STORAGE TANK TO INDICATE PRESSURE OF AIR THEREIN, IN WALL IN SAID CABINET EXTENDING BETEEN AND SECURED TO SAID SIDES THEREOF AND EXTENDING FROM SAID TOO WHEN CLOSED TO THE LOWER PORTION OF SAID CABINET AND TERMINATING IN SPACED RELATION TO SAID BOTTOM OF SAID CABINET, A PLATE CONNECTED IN ONE EDGE TO THE LOWER EDGE OF SAID WALL AND HAVING THE OPPOSITE EDGE POSITIONED ON SAID BOTTOM OF SAID CABINET AT SAID OTHER END OF SAID CABINET AND EXTENDING ACROSS SAID CABINET FROM SAID ONE SIDE TO SAID OTHER SIDE, SAID WALL BEING POSITIONED AT THE INTERMEDIATE PORTION OF SAID CABINET AND DEFINING WITH THE OTHER END THEREOF, SAID SIDES, SAID TOP AND SAID PLATE, A SMOKE ACCUMULATOR COMPARTMENT, A CENTRALLY LOCATED OPENING IN SAID WALL, A HOOD MOUNTED ON THE CENTER PORTION OF SAID WALL WITH ONE END PORTION THEREOF IN COMMUNICATION WITH SAID OPENING, SAID HOOD BEING POSITIONED WITHIN SAID ACCUMULATOR COMPARTMENT AND HAVING ITS OTHER END PORTION OPENING TOWARD SAID PLATE, AND IN SPACED RELATION THERETO, AN ANGLE IRON SECURED IN ITS END PORTIONS TO SAID SIDES OF SAID CABINET AND POSITIONED ADJACENT SAID WALL BETWEEN SAID WALL AND SAID ONE END OF SAID CABINET, A GUN SUPPORT CONNECTED TO AN INTERMEDIATE PORTION OF SAID ANGLE IRON AND PROJECTING THEREFROM TOWARD SAID ONE END OF SAID CABINET, A SPRAY GUN MOUNTED ON SAID GUN SUPPORT WITH THE SPRAY END THEREOF POINTED AT SAID HOOD THROUGH SAID OPENING IN SAID WALL, AN AIR HOSE CONNECTED IN ITS END PORTIONS TO SAID SPRAY GUN AND TO SAID AIR STORAGE TANK, A PRESSURE RELIEF VALVE IN SAID HOSE OPERABLE TO OPEN AT A PRESET PRESSURE OF AIR IN SAID AIR STORAGE TANK TO PROVIDE COMPRESSED AIR THEREFROM TO SAID SPRAY GUN, A FUEL STORAGE TANK POSITIONED BENEATH SAID SPRAY GUN AND BELOW SAID ACCUMULATOR COMPARTMENT, AN IMMERSIBLE ELECTRIC HEATER IN SAID FUEL STORAGE TANK, A FUEL CONDUIT CONNECTED IN ONE END PORTION TO SAID SPRAY GUN AND HAVING THE OTHER END PORTION POSITIONED IN SAID FUEL STORAGE TANK, A SHORT CHANNEL-SHAPED CONVERTER MOUNTING BRACKET CONNECTED TO SAID ANGLE IRON ADJACENT SAID OPENING IN SAID WALL, A CYLINDRICAL FUEL CONVERTER HAVING A METALLIC TUBULAR BODY PORTION POSITIONED IN SAID HOOD AND HAVING A PLURALITY OF BAR-SHAPED ELECTRICAL HEATING ELEMENTS MOUNTED THEREIN IN SPACED RELATION TO THE RADIALLY INNER AND OUTER SURFACES OF SAID BODY, SAID HOOD BEING LARGER IN SIZE THAN SAID BODY PORTION OF SAID CONVERTER TO PROVIDE AN AIR PASSAGE THEREAROUND, A HEAT SENSING ELEMENT POSITIONED IN SAID BODY PORTION OF SAID CONVERTER, A HEAT GAUGE MOUNTED ON SAID WALL AND OPERATIVELY CONNECTED TO SAID HEAT SENSING ELEMENT TO INDICATE THE TEMPERATURE OF SAID BODY PORTION OF SAID CONVERTER, SAID CONVERTER HAVING A TUBULAR CENTER CORE MOUNTED IN AND COAXIAL WITH SAID BODY PORITON AND PROJECTING FROM THE ENDS OF SAID BODY PORTION, ONE END OF SAID TUBULAR CORE OF SAID CONVERTER BEING POSITIONED BENEATH SAID CONVERTER MOUNTING BRACKET AND IN CLOSELY SPACED RELATION TO SAID NOZZLE OF SAID SPRAY GUN TO RECEIVE FUEL THEREFROM, A U-BOLT REMOVABLY CONNECTING SAID ONE END PORTION OF SAID CORE OF SAID CONVERTER TO SAID CONVERTER MOUNTING BRACKET, A PERCENTAGE INPUT CONTROL MOUNTED ON SAID ONE SIDE OF SAID CABINET WITHIN SAID CABINET AND ELECTRICALLY CONNECTED TO SAID TIMING SWITCH AND TO EACH OF SAID HEATING ELEMENTS IN SAID CONVERTER AND OPERABLE TO SUPPLY ELECTRIC CURRENT TO SAID HEATING ELEMENTS IN SAID CONVERTER FROM ONE TO ONE HUNDRED PER CENT OF THE OPERATING CYCLE IN SUITABLE TIME INTERVALS TO PROVIDE A CONSTANT TEMPERATURE IN THE CONVERTER, TWO SMOKE OUTLET PIPES CONNECTED TO THE UPPER PORTION OF SAID OTHER END OF SAID CABINET AND COMMUNICATING WITH THE INTERIOR OF SAID ACCUMULATOR COMPARTMENT OF SAID CABINET, AND A CONDENSATION CONDUIT CONNECTED IN ITS END PORTIONS TO SAID ACCUMULATOR COMPARTMENT AND TO SAID FUEL STORAGE TANK TO RETURN FUEL CONSENSED IN SAID ACCUMULATOR COMPARTMENT TO SAID FUEL STORAGE TANK, SAID SMOKE, GENERATOR BEING CONSTRUCTED AND ADAPTED SO THAT OPERATION OF SAID COMPRESSOR PROVIDES AIR UNDER PRESSURE TO SAID AIR STORAGE TANK AND TO SAID SPRAY GUN WITH PASSAGE OF AIR THROUGH SAID SPRAY GUN SIPHONING FUEL FROM SAID FUEL STORAGE TANK TO SAID SPRAY GUN FOR DISCHARGE THEREFROM INTO SAID ONE END PORTION OF SAID CONVERTER CORE FOR BURNING THEREIN AS A RESULT OF HEATING THEREIN TO RESULT IN DISCHARGE OF SMOKE FROM THE OTHER END OF SAID CONVERTER INTO SAID HOOD, SAID BLOWER FAN FORCING AIR THROUGH SAID AIR PASSAGE AROUND SAID CONVERTER AND FORCING SMOKE FROM SAID HOOD THROUGH SAID ACCUMULATOR COMPARTMENT INTO SAID SMOKE OUTLET PIPES, SAID TIMING SWITCH CONSTRUCTED AND ADAPTED TO IN OPERATION INITIALLY OPERATE TO PROVIDE CURRENT FROM SAID SOURCE OF ELECTRIC CURRENT TO SAID HEATING ELEMENTS, FOLLOWED BY PROVIDING AT A TIME INTERVAL CURRENT FROM SAID SOURCE TO SAID COMPRESSOR AND BLOWER FAN, THEREBY PROVIDING FOR PRODUCING AND DELIVERING SMOKE.

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