Cooking module for a linear tunnel oven for bakery products, pastries and the like, and linear tunnel oven comprising at least one such module

A cooking module for a linear tunnel, comprising:

• a cooking chamber comprising a hearth portion and a roof portion above said heart portion;
• a movable conveyor belt permeable to a gaseous heat-transfer fluid within said hearth portion;
• a first heater in said roof portion;
• a second heater in said hearth portion, wherein said second heater comprises:
• a blowing surface with a plurality of orifices;
• and
• a sliding surface between said movable conveyor belt and said blowing surface, said movable conveyor belt being rested on said sliding surface,
• wherein said sliding surface is comprised of a sheet with a plurality of openings and rest portions in sliding contact with said movable conveyor belt,
• wherein said sliding surface has a convection position with one of said plurality of, said openings being in flow alignment with a respective one of said plurality of blowing orifices so as to pass heat transfer fluid through said blowing surface and said sliding surface toward said movable conveyor belt,
• wherein said sliding surface has a radiation position with said one of said plurality of said openings being offset with said respective one of said blowing orifices so as to flow heat transfer fluid into said sliding surface and radiate heat from said rest portions toward said movable conveyor belt, and
• wherein said sliding surface is movable back and forth between said convection position and said radiation position.