HEATING ELEMENT, HEATER ASSEMBLY AND CLUSTER APPARATUS INCLUDING THE SAME

摘要

The present invention provides a heater assembly. The heater assembly of the present invention comprises: a cylindrical insulation unit having an internal space; and a heating element disposed on an inner circumferential surface of the insulation unit in multiple stages and heating a heated element, wherein the heating element having both ends separated from each other is formed in a cylindrical shape. The heating element may include a heating body unit having an upper end of which the diameter is different from that of a lower end in order that an internal heating surface has a slope.