DEVICE FOR IN-FLIGHT REDUCTION OF HEATING OF AERIAL GUN MOUNTED ON FLYING VEHICLE Russian patent published in 1996 - IPC

FIELD: reduction of heating of aerial guns. SUBSTANCE: device for reduction of heating of aerial gun mounted on flying vehicle has air supply system made in form of plate 2 which is concave incoming air flow and mounted before gas bleeder vent 4 of gun without covering fire safety cone. Mounted symmetrically to axis of gas bleeder vent 4 on either side of plate 2 are two intakes 6 whose intake portions are brought out beyond boundary layer. Outlet portions 8 of air intake 6 are arranged one above other after plate 2 before gas bleeder vent 4 along its axis and are directed downward. Width of plate 2 and outlet portions 8 of air intakes 6 is no less than diameter of inlet hole of gas bleeder vent 4. Areas of cross sections are equal over entire length of passages of air intakes 6. EFFECT: enhanced reliability. 7 dwg