Patent ID: 6865341

Claim:
A smoke producing system comprising: a heat source; a heating chamber having first and second end walls, said first end wall being heated by said heat source, said heating chamber having an outer wall extending between said first and second end walls to define an interior of said heating chamber; said heating chamber having an inner wall extending from said first end wall into said interior to define an inner chamber and an outer chamber within said heating chamber; a coil having a first portion extending into said heating chamber, said coil having a second portion wrapping around said inner wall along a length of said inner wall, said coil having a distal portion extending into said inner chamber, said distal portion of said coil having an open end positioned adjacent to said first end wall; a fluid adapted for producing smoke when said fluid is heated above a flash point of said fluid, said fluid being passable through said coil and into said inner chamber of said heating chamber such that said fluid is heated above said flash point whereby smoke is produced within said inner chamber when said fluid is passed through said open end of said coil; said outer wall having an outlet opening whereby said smoke produced is emitted from said heating chamber through said outlet opening; a medial wall extending from said second end wall into said interior of said heating chamber, said medial wall being positioned between said inner wall and said outer wall to define inner and outer portions of said outer chamber, said medial wall having an open end adjacent to said first end wall whereby smoke produced in said inner chamber must pass into and through said inner portion of said outer chamber before passing into said outer portion of said outer chamber.