A blower/atomizer portable device comprises a propulsion assembly or power unit (2), a blowing assembly (3), a swingable dispenser (4) and an adjusting assembly (5) acting in said swingable dispenser (4) for selectively introducing a predetermined amount of substance to be distributed/atomized; the blower/atomizer further comprises a pumping unit (13) operated by the power unit (2) and adapted to cause movement of a substance to be distributed/atomized and contactless transmission means acting between the propulsion assembly (2), the blowing assembly (3) and the pumping unit (13), said contactless transmission means being adapted to actuate at least the pumping unit (13) while maintaining a pneumatic/hydraulic separation relative to the power unit (2) and/or the blowing assembly (3).
