Patent ID: 7721728

Claim:
An oven comprising: an outer case; an inner case disposed in the outer case and having at least one cooking chamber; a blower chamber which is separated from the cooking chamber provided at an upper side of the inner case; a cooling fan installed in the blower chamber; a vent hole communicated with the blower chamber provided at the upper end of the cooking chamber such that hot air of the cooking chamber flows toward the blower chamber through the vent hole; a door installed at the front side of the outer case to open and close the cooking chamber, the door comprising an inner plate, an outer plate, a frame to enclose the upper sides and the lateral sides of the inner plate and the outer plate, and a plurality of holes formed at an upper side of the frame to allow air discharged by the cooling fan to flow between the inner plate and the outer plate; and a blowing guide, the blower chamber being integrally formed with the blowing guide upwardly extending from a bottom surface of the blower chamber such that air discharged by the cooling fan is guided toward the holes formed in the door, the vent hole is disposed in the blower chamber without facing the holes of the door, and a partition member is installed around the vent hole to prevent the hot air discharged from the cooking chamber from being mixed with air discharged by the cooling fan.