Patent ID: 9625162
Date: 2017-04-18
CPC Classifications: F24C

Claim:
1. A heating cooker, comprising: a heating chamber that has an opening portion at a front surface thereof and houses an object to be cooked; an open/close door that has a see-through Window and by which the opening portion is opened and closed; a suction port that is open on one of opposed side walls of the heating chamber; a blow-off port that is open on the other of the side walls of the heating chamber; a circulation duct that has first and second side surface portions disposed outside the side walls of the heating chamber, respectively, and connects the suction port provided in the first side surface portion to the blow-off port provided in the second side surface portion; a circulation fan that is provided in the circulation duct and causes gas in the heating chamber to be sucked through the suction port and blown off through the blow-off port; and a heating portion that is provided in the circulation duct and heats gas flowing through the circulation duct, wherein a plurality of placing bases on which a mounting tray for mounting an object to be cooked is placed are provided in a protruding manner at different vertical levels on an inner wall of the heating chamber, each of the placing bases being formed so as to be separated into a front portion and a rear portion, the mounting tray is disposed so as to stride between the front portion and the rear portion, the suction port is arranged above the placing bases at a highest vertical level and not below the placing bases at the highest vertical level, the blow-off port is arranged to extend from above the placing bases at the highest vertical level to below the placing bases at a lowest vertical level so as to be located between the front and rear portions of each of the placing bases, a length of the blow-off port in a front-rear direction is smaller than a length of the suction port in a the front-rear direction, the circulation duct connects the first and second side surface portions to each other via a top surface portion provided above the heating chamber, a plurality of small holes facing the heating chamber are provided in the top surface portion, and the heating portion is disposed in the top surface portion.