Patent ID: 7780094

Claim:
A diffuser for an air-freshening product for a vehicle, comprising: a casing having openings for passage of air therethrough, said openings being selectively closable to a greater or lesser extent; a reservoir container for the air-freshening product, said reservoir container being removably coupled to said casing; a wick extending from said reservoir container to enable evaporation of the air-freshening product, said wick being housed inside said casing; a fastener to fasten said casing to a diffuser grill of an air ventilation system of a vehicle; said casing defining two cylindrical neck openings, said two neck openings being coaxial with one another and being open to an exterior of said casing, said two cylindrical neck openings including a lower neck opening and an upper neck opening, said lower neck opening receiving said reservoir container when said reservoir container is coupled to said casing; a plug element rotatably positioned in said upper neck opening, said plug element having an operating knob at a position exterior to said casing, said plug element having first and second skirt portions extending from a body of said plug element at an end opposite said operating knob, said skirt portions being inside said casing, said first and second skirt portions being spaced from one another and being diametrically opposed to one another on said body of said plug element, rotation of said plug element selectively blocking and alternatively unblocking said openings in said casing by moving at least one of said first and second skirt portions to block said openings and alternatively to unblock said openings of said casing; said wick having a first end inside said reservoir container, and a second end located between said two neck openings of said casing for passage of air.