US Patent 11992052 Atomizer and cartridge including the same

An atomizer includes a liquid delivery element configured to absorb an aerosol generating material of a liquid storage and a wire configured to heat the aerosol generating material and wound on a surface of the liquid delivery element, wherein the wire is wound in a spiral shape such that coils of the wire are spaced apart from each other by a certain distance on the surface of the liquid delivery element, one of end portions of the wire is in contact with a first portion of the surface of the liquid delivery element, and the other one of the end portions of the wire is in contact with a second portion of the surface of the liquid delivery element.