Apparatus for cleaning and refreshing fabrics with an improved ultrasonic nebulizer, and improved ultrasonic nebulizer

One aspect of the present invention is directed to an ultrasonic nebulizer for use in a portable and collapsible cleaning and refreshing apparatus for treating fabric garments. Said ultrasonic nebulizer comprises a housing, said housing being divided into at least two compartments by a membrane, preferably made out of a flexible film, more preferably made out of an inox film, such that at least one compartment is liquid and vapor tight, said nebulizer further comprising at least one piezoelectric vibrator for ultrasonic wave generation and located in said liquid and vapor tight compartment, a high-frequency generator for exciting said piezoelectric vibrator, wherein said liquid or gel medium is heated by a built-in heating means to a temperature of at least 30° C., preferably at least 40° C., more preferably at least 50° C.