Abstract: An apparatus for spraying a liquid into the atmosphere includes a container (1) for containing the liquid (2), having at least one outlet (3) for the liquid to be expelled outside the container, the outlet being located above the liquid, a device generating (4) a gas stream for expelling the liquid outside the container, a vaporizer (5) that vaporizes the liquid in the gas stream, a sprayer (6) that sprays the vaporized liquid and that includes a column with baffles located downstream of the vaporizer, the vaporizer and the sprayer being integral with a body (7) that is removably mounted on the container.

Abstract: Device for carrying out a method of odor detection comprising, in particular, a plurality of chambers, each including a plurality of semiconductor gas sensors, conductive polymer gas sensors, and surface acoustic wave gas sensors, as detection devices, a variable flow gas pump for forming a gas flow in said chambers, measurement electronic device for operating the detection devices, a data processing unit for recording in a file the olfactory prints obtained using the detection means, and for comparing the detected impressions with those in the file so that odors may be identified and recognized. Applications exist, especially to drugs, explosives, body odors and food seals.

Abstract: Device for carrying out a method of odor detection comprising, in particular, a plurality of chambers (1, 2, 2a, 3), each including a plurality of semi-conductor gas sensors (6), conductive polymer gas sensors (7), surface acoustic wave gas sensors (8), as detection means, a variable flow gas pump (10) for forming a gas flow in said chambers (1, 2, 2a, 3), measurement electronic device (16) for operating the detection means (6, 7, 8), a data processing unit (15) for recording in a file the olfactory prints obtained using the detection means, and for comparing the detected impressions with those in the file so that odors may be identified and recognized. Applications, especially to drugs, explosives, body odours and food seals.