The present invention relates to an aerosol-therapy device, comprising a casing, a compressor group mounted in the casing and air intake and delivery means respectively to and from said compressor group.The compressor group comprises a motor and a compressor device which can be driven by the motor to draw in and deliver air respectively through the air delivery and intake means.In addition, the compressor device comprises a piston attached and supported solely by the casing and a cylinder sliding on the piston and eccentrically connected to the drive shaft of the motor.
