FIELD: liquid atomization or spraying devices.
SUBSTANCE: invention relates to an aerosol generating system comprising a liquid storage portion for storing a liquid aerosol-forming substrate, an evaporator for evaporating a liquid aerosol-forming substrate, a pump for injecting air into a liquid storage portion for displacing the volume of the liquid aerosol-forming substrate from the liquid storage portion, and for supplying the displaced volume of the aerosol-forming substrate to the evaporator, wherein the pump is a micro pump configured to inject a predetermined volume of air per pump activation, and wherein the pump is configured to displace a predetermined volume of the liquid aerosol-forming substrate from the liquid storage portion to the evaporator per one pump activation.
EFFECT: technical result consists in exclusion of delivery to evaporator of breaks of liquid aerosol-forming substrate.
11 cl, 3 dwg
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