Abstract: An oven includes a rear wall plate, a hot current device combined with the rear wall plate. The hot current device consists of a fan disc, a separating plate, two fans, and a rotating power unit having a motor and a motor frame. The two fans are rotated by the motor to blow hot air in a chamber of the oven to be sucked in a space between the fan disc and the separating plate and then exhausted out of the space into the chamber back through exhausting holes of the fan disc, and circulating around in the chamber because of the exhausting holes arranged in a radiating condition.

Abstract: A roaster oven with whirlpool circulation comprising an oven housing and a whirlpool circulation device, the oven housing having two heating tubes for heating up air therein, an air inlet and two air outlets in a front wall, the whirlpool circulation device having a fan, a fan housing and a power source, the fan positioned in the fan housing to be rotated by a motor in the power source to blow air in the fan housing, the fan housing having two whirlpool circulating tubes bent backward extending from the fan housing to lead hot air from the oven housing through the air net into the fan housing and then through the air outlets of the oven housing and into the oven housing to circulate as a whirlpool around an article placed in the roast chamber, for thorough and even roasting.