A wing fuel tank is composed of a wing upper side shell plate, a fuel tank outer end plate, fuel tank rib plates, a fuel tank inner end plate, an oil inlet pipe, an oil outlet pipe, a framework and a wing lower side shell plate. An outer side protruding edge is prefabricated on the outer edge of the wing upper side shell plate, and an inner side protruding edge is prefabricated on the outer edge of the wing lower side shell plate; the outer side protruding edge is matched with the inner side protruding edge, and the outer side protruding edge and the inner side protruding edge are in sealed connection through a binding agent; the framework penetrating the interior of a whole structure is arranged between the wing upper side shell plate and the wing lower side shell plate; the fuel tank outer end plate and the fuel tank inner end plate are arranged on one side of the framework, and a sealed cavity is formed between the wing upper side shell plate and the wing lower side shell plate; at least two fuel tank rib plates are fixedly connected in the sealed cavity; and a plurality of airflow holes are formed in the upper portion of each fuel tank rib plate, a plurality of oil flowing holes are formed in the lower portion of each fuel tank rib plate, and bottom position oil control holes are formed in the lower side end of each fuel tank rib plate. An oil inlet pipe and an oil outlet pipe are arranged on the fuel tank inner end plate, the inner end of the oil inlet pipe is arranged on the upper end portion of the fuel tank inner end plate, and an inner end opening of the oil outlet pipe is formed in the lower side end portion of the fuel tank inner end plate.
Wing fuel tank
2015-09-16
Patent
Electronic Resource
English