FIELD: aviation. SUBSTANCE: telescopic refuelling receptacle consists of outer pipe 2, movable inner pipe 3 with fuel head secured on it which consists of body 5, end-piece 6 and fuel valve 7. Outer pipe 2 is provided with axle box 20 which has circular passage 21 which is connected with heat-transfer agent main 23 through pipe union 22 of axle box 20. Rod 8 of end-piece 6 has outer pipe 9 and inner pipe 10; fuel valve 7 consists of outer ferrule 11 and inner ferrule 12. End-piece 6 is secured in body 5 on spokes 13 which are provided with passages 14 and 15; rod 8 has holes 16 and 17. Outer ferrule 11 of fuel valve has holes 18 and 19. EFFECT: enhanced reliability due to heating the fuel head when aircraft is refuelled is in icing zone or due to cooling to remove kinetic heat when flying at supersonic speed. 2 dwg
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RU1778977C |
