Patent ID: 7305176

Claim:
A device for generating smoke for connection to a source of pressurized gas, comprising: a housing having disk-shaped main body having a top surface and a bottom surface and a first aperture extending from said top surface to said bottom surface, a top cap attached to said top surface of said main body, and a bottom cover attached to said bottom surface of said main body, said main body and said top cap forming a chamber; a heating element disposed within said chamber; a fluid reservoir for holding a supply of fluid, said fluid reservoir attached to said bottom surface of said main body and having a second aperture which is in communication said first aperture; a gas inlet for connection to the source of pressurized gas; a gas supply fluid path extending from said gas inlet into said bottom cover, through said main body and into said chamber; a fluid transfer device having a first portion and a second portion, said first portion disposed within said fluid reservoir and a second portion being adjacent said heating element, said fluid transfer device being configured to convey a fluid from said fluid reservoir to said heating element primarily by capillary action.