Patent ID: 8850968

Claim:
A steam generation unit comprising: a steam generation device for generating steam; a steam supply path for connecting the steam generation device and a steam-supplied chamber, to which steam generated by the steam generation device is to be supplied, to each other and for supplying steam generated by the steam generation device to the steam-supplied chamber; and a boiling-water intrusion preventing device which is provided on the steam supply path or in the steam-supplied chamber and which, upon occurrence of bumping in the steam generation device, prevents boiling water from intruding into the steam-supplied chamber, wherein the steam-supplied chamber includes a heating chamber for heating food, the steam supply path has a steam supply pipe, and the boiling-water intrusion preventing device has a box frame, the box frame having a steam inlet port to which steam is introduced through the steam supply pipe, and a steam jet-out port from which steam is jetted out into the heating chamber, wherein the steam inlet port and the steam jet-out port are prevented from facing each other.