Gas conveyor oven for food, comprising: - a baking chamber provided with a conveyor belt; - one burner fed by gas with a flame column oriented parallel to the direction of movement of said conveyor belt located behind and essentially on the same level as said conveyor belt inside the baking chamber; - a continuous flame supply modulator for the burner; - deflectors (14, 15, 16) for the preferential differentiated channelling of hot air flows inside a forced air labyrinthian structure (17, 18, 19, 20) and selective shielding of the return air flow over the flame column of the burner for reheating; - a centrifugal fan that is centrally located behind the flame column of the burner which draws in air from the baking chamber and expels it peripherally inside a ventilation chamber; - a lower feeder and an upper feeder both exiting the ventilation chamber, wherein the size of the opening for the lower feeder is greater than that for the upper feeder, both feeders extending diagonally into the baking chamber, above and below the mesh conveyor belt and along its entire length inside the baking chamber; - a curved partition located parallel to the flame column, blocking a rear portion of a transport canal of the food being cooked, said canal being defined by the conveyor belt and the upper feeder; wherein - the deflectors are in the form of two angular cusps (14, 15) that define and reduce the volume of the vertical sides of the ventilation chamber; and wherein - said centrifugal fan is located on the opposite side of the baking chamber and - has a counter-clockwise rotation wherein the left angular cusp, with reference to the counter-clockwise rotation of the fan, has an apex situated above the horizontal diameter of the fan, while the apex of the right angular cusp is axial to the horizontal diameter of the fan; - or wherein the centrifugal fan has a clockwise rotation wherein the left angular cusp, with reference to the clockwise rotation of the fan, has an apex situated below the horizontal diameter of the fan, while the apex of the right angular cusp is axial to the horizontal diameter of the fan. - a baking chamber provided with a conveyor belt; - one burner fed by gas with a flame column oriented parallel to the direction of movement of said conveyor belt located behind and essentially on the same level as said conveyor belt inside the baking chamber; - a continuous flame supply modulator for the burner; - deflectors (14, 15, 16) for the preferential differentiated channelling of hot air flows inside a forced air labyrinthian structure (17, 18, 19, 20) and selective shielding of the return air flow over the flame column of the burner for reheating; - a centrifugal fan that is centrally located behind the flame column of the burner which draws in air from the baking chamber and expels it peripherally inside a ventilation chamber; - a lower feeder and an upper feeder both exiting the ventilation chamber, wherein the size of the opening for the lower feeder is greater than that for the upper feeder, both feeders extending diagonally into the baking chamber, above and below the mesh conveyor belt and along its entire length inside the baking chamber; - a curved partition located parallel to the flame column, blocking a rear portion of a transport canal of the food being cooked, said canal being defined by the conveyor belt and the upper feeder; wherein - the deflectors are in the form of two angular cusps (14, 15) that define and reduce the volume of the vertical sides of the ventilation chamber; and wherein - said centrifugal fan is located on the opposite side of the baking chamber and - has a counter-clockwise rotation wherein the left angular cusp, with reference to the counter-clockwise rotation of the fan, has an apex situated above the horizontal diameter of the fan, while the apex of the right angular cusp is axial to the horizontal diameter of the fan; - or wherein the centrifugal fan has a clockwise rotation wherein the left angular cusp, with reference to the clockwise rotation of the fan, has an apex situated below the horizontal diameter of the fan, while the apex of the right angular cusp is axial to the horizontal diameter of the fan.