Coffee Bean Roaster

摘要

A coffee bean roaster includes a metal drum, an insulation board, and a coil. The insulation board is attached to a portion of the metal drum. The coil is disposed below the insulation board. AC power is supplied to the coil to thereby enable the coil to produce an AC magnetic field. The metal drum is heated up by electromagnetic induction to thereby roast coffee beans in the metal drum.

主权项

1. A coffee bean roaster, comprising:
a metal drum for heating coffee beans; an insulation board attached to a portion of the metal drum; and a coil disposed below the insulation board, wherein AC power is supplied to the coil to enable the coil to produce an AC magnetic field, and the metal drum is heated up by electromagnetic induction.