A nebulizer (10) includes a housing (12) having an inlet (18), a compressor (28), a reservoir (58) and a nozzle assembly (56) disposed therein. The compressor includes a number of rotor members (30), each rotor member being rotatable about a respective axis (32) with each respective axis being parallel with every other respective axis and spaced an equal distance (r) from a central axis (34) of the compressor. The compressor further includes a compression chamber (36) and a motor(38). The compression chamber has a variable volume defined by the relative positioning of the number of rotor members. The compression chamber is in selective fluid communication with the inlet. The motor has an output shaft (40) operatively coupled to the number of rotor members in a manner such that rotation of the output shaft causes rotation of each rotor member of the number of rotor members. The motor is adapted to be coupled to a power source. The reservoir is adapted to receive a quantity of medication (60). The nozzle assembly is disposed adjacent the reservoir and in selective fluid communication with the compression chamber. The nozzle assembly is adapted to receive a flow of air from the compression chamber and utilize the flow to nebulize the quantity of medication contained in the reservoir for inhalation by a patient.Linvention concerne un nébuliseur (10) comprenant un logement (12) avec une entrée (18), un compresseur (28), un réservoir (58) et un ensemble buse (56) situés à lintérieur. Le compresseur comprend un certain nombre déléments rotors (30), chaque élément rotor pouvant tourner par rapport à un axe respectif (32), avec chaque axe respectif étant parallèle à chaque autre axe respectif et espacé dune même distance (r) dun axe central (34) du compresseur. Le compresseur comprend de plus une chambre de compression (36) et un moteur (38). La chambre de compression a un volume variable défini par le positionnement relatif des éléments rotors. La chambre de compression est
