Patent ID: 11882641
Assignee: LG ELECTRONICS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 0:
1. An induction heating cooktop comprising:
a case;
a cover plate connected to an upper end of the case, the cover plate having an upper surface configured to support thereon an object to be heated;
a working coil disposed inside the case;
a thin layer disposed at the cover plate and configured to be heated by the working coil by induction;
a heat insulator disposed vertically below the thin layer;
a cooling fan configured to blow air toward the working coil; and
a bracket that is disposed above the working coil and defines a cooling passage, the cooling passage being configured to guide the air to pass through the working coil and to discharge the air to an outside of the bracket,
wherein the cooling passage is configured to discharge the air having passed through the working coil to the outside of the bracket through a gap defined between a bottom of the bracket and a top of the working coil, and
wherein the thin layer is thinner than a predetermined skin depth of the thin layer.