Improved dispensing device and method

A - Human Necessities – 62 – B

Patent

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A62B 9/02 (2006.01)

Patent

CA 2612779

Methods and devices for dispensing an aerosolized liquids that generate an electric field proximate an outlet (60) of a liquid supplier (20, 30, 40) to cause liquid issuing from the outlet to be aerosolized for dispensing, and regulating an electrical characteristic, such as voltage, for generating the electric field based on a detected electrical characteristic, e.g., current drawn, of the electric field and/or based on an environmental sensor, to compensate, for example, for adverse effects of relative humidity in the aerosolization process. Such methods and devices are suitable for use as, for example, an inhaler for dispensing therapeutic liquids to a patient's lungs, spraying paint, crops or other liquids over a surface area.

L'invention concerne des procédés et des dispositifs permettant de distribuer des liquides en aérosol qui génèrent un champ électrique à proximité d'une sortie (60) d'une amenée de liquide (20, 30, 40), ce qui provoque la dispersion en aérosol du liquide émanant de ladite sortie en vue de sa distribution et la régulation d'une caractéristique électrique, telle que la tension, en vue de la création du champ électrique sur la base d'une caractéristique électrique détectée, par exemple le courant tiré, du champ électrique et/ou sur la base d'un capteur environnemental, pour compenser, par exemple, les effets adverses de l'humidité relative dans le processus de dispersion en aérosol. Ces procédés et dispositifs sont pertinents, par exemple, comme inhaleur pour distribuer des liquides thérapeutiques aux poumons d'un patient, pour pulvériser de la peinture, pour vaporiser des cultures, ou pour disperser d'autre liquides sur une surface.

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