Patent ID: 7228791

Claim:
A baking oven ( 1 ) for preparing dough pieces ( 3 ), comprising a casing ( 2 ); a supply section ( 6 ; 62 ) with an inlet ( 4 ) for dough pieces ( 3 ) to be supplied; a baking chamber ( 3 ); a discharge section ( 22 ; 68 ) with an outlet ( 23 ) for baked dough pieces ( 3 ) to be discharged; a recirculating-air assembly, including a source ( 25 ) that produces a flow of recirculating air, a recirculating-air heating device ( 27 ); a recirculating-air guiding conduit ( 48 ) sectionally formed by the baking chamber ( 9 ); a conveyor assembly ( 8 , 10 to 12 ; 66 , 75 ) which transports dough pieces ( 3 ) from the inlet ( 4 ) to the outlet ( 23 ); wherein the conveyor assembly ( 8 , 10 to 12 ; 66 , 75 ) comprises a plurality of continuous conveyor belts ( 8 , 10 to 12 ; 66 , 75 ) which pass along deflection pulleys ( 13 ) and are arranged one in relation to the other in the baking chamber ( 9 ) such that transfer to the dough pieces ( 3 ) from one to another of two adjacent continuous conveyor belts ( 8 , 10 to 12 ; 66 , 75 ) takes place by gravity, at least one of the supply and the discharge section is a gate ( 63 , 72 ) through which passes the conveyor belt ( 62 , 70 ).