Patent ID: 7793860

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 porous wick member protruding from the bottom of said piston; e. a reservoir positioned within said housing having an opening in registration with said porous wick member; f. a volatile liquid contained within said reservoir; g. a drive means connected to said piston opposite said porous wick member for repeatedly dipping said porous wick member into said reservoir through said opening; h. an electromechanical means connected to said drive means for electromechanically moving said piston along said path within said housing through said drive means; and, i. an electrical control means for powering and electronically controlling said electromechanical means.