Gaseous agent e.g. fragrance dispenser - with displacement device for expelling agent from pressure chamber

摘要

In a gaseous agent dispenser having an agent storage chamber, one or more outlet openings and a release device, having: (a) a pressure chamber (2) connected to the storage chamber; (b) a displacement device (3) for changing the pressure chamber volume; and (c) outlet openings (5) in the form of blow pipes. The displacement device (3) may be vibrational membrane (8) connected to an electromagnetic vibrator (6), e.g. in the form of a loudspeaker. The dispenser may be battery-operated and may be time-controlled e.g. by an alarm clock. An atomising, spraying, evaporating, combustion or fuming device for the agent may be provided in the dispenser. USE/ADVANTAGE - Useful for dispensing fragrances, medicaments, insecticides, etc.. It provides targetted release of the agent actuated e.g. by toilet flushing levers, loudspeakers, etc..