Fog spraying device

Claim 1

A SPRAY FOGGING DEVICE FOR DISPERSING MINUTE PARTICLES OF A SPRAYABLE MATERIAL IN THE HOT EXHAUST GASES FROM AN INTERNAL COMBUSTION ENGINE TO PRODUCE A FOG CONTAINING THE MATERIAL ON EXIT OF THE EXHAUST GASES TO THE ATMOSPHERE COMPRISING AN INTERNAL COMBUSTION ENGINE; EXHAUST GAS CONDUIT MEANS OPERATIVELY CONNECTED TO SAID ENGINE FOR CARRYING THE EXHAUST GASES FROM SAID ENGINE AND HAVING A DISCHARGE END; A RESERVOIR FOR MATERIAL TO BE SPRAYED; A NOZZLE HAVING AN OPENING POSITIONED IN SAID CONDUIT MEANS UPSTREAM OF SAID DISCHARGE END; A CONDUIT SHIELD MEANS PROTRUDING RADIALLY INTO THE CONDUIT FROM THE WALL THEREOF IMMEDIATELY ADJACENT AND UPSTREAM OF SAID NOZZLE OPENING, SAID SHIELD MEANS BEING INTEGRAL WITH SAID NOZZLE AND PRESENTING A FLAT SURFACE FOR DISTRIBUTING THEREOVER THE SPRAYABLE MATERIAL THE FLAT SURFACE PORTION EXTENDED INTO THE CONDUIT BEYOND THE SAID OPENING IN UNOPPOSED RELATION THERETO TO SHIELDING THE SPRAYABLE MATERIAL WHILE IT IS BEING DISTRIBUTED DURING ITS ENTRY INTO THE CONTACT WHEREBY THE SAID MATERIAL IS VAPORIZED AND DISPERSED BY EXHAUST GAS ACTION ADJACENT THE NOZZLE OPENING; AND AN EXPANSION MUFFLER MEANS DOWNSTREAM OF SAID CONDUIT SHEILD MEANS FOR FURTHER MIXING AND ATOMIZATION; A MATERIAL FEED LINE OPERATIVELY CONNECTING SAID NOZZLE AND SAID RESERVOIR, AND A VALVE MEANS FOR CONTROLLING THE FLOW OF MATERIAL FROM SAID RESERVOIR THROUGH SAID NOZZLE OPENING.