Patent ID: 7921507

Claim:
A cleaner, comprising: a cleaner body in which a water container is detachably mounted; a nozzle assembly rotatably connected to a lower part of the cleaner body that is configured to dispense steam; and a heating apparatus that includes a heating casing to receive water from the water container, convert the water into steam, and supply the steam to the nozzle assembly, wherein the heating apparatus further comprises: a heating member formed in contact with the heating casing to heat the heating casing; a lower housing that is formed separately from the heating casing and that accommodates the heating casing and the heating member; and an upper housing that closes an open upper part of the heating casing disposed inside the lower housing, includes a steam discharge hole to discharge steam formed in the heating casing, and is separately coupled to the lower housing, wherein the heating casing includes a plurality of ribs and each successive rib includes a space to collect water and convert the water into steam.