Patent ID: 7793861

Claim:
A vapor-dispersing device comprising: a. a housing with top, bottom, side walls and an interior; b. a vent on said housing allowing air flow between said interior and the environment exterior to said housing; c. a piston moveable along a path between first and second positions within said housing, said piston comprising a top, bottom and sidewalls; d. a substantially flat evaporative pad member attached against the bottom of said piston; e. a reservoir positioned within said housing having an opening; f. a volatile liquid contained within said reservoir; g. a liquid transfer means with a first end positioned in said opening and in communication with said volatile liquid, and a second end protruding from said reservoir; h. a drive means connected to said piston opposite said evaporative pad member for repetitively touching said pad onto said second end of said liquid transfer means; i. an electromechanical means connected to said drive means for electromechanically moving said piston along said path within said housing through said drive means; and, j. an electrical control means for powering and electronically controlling said electromechanical means.