SYSTEM FOR FILLING FLYING VEHICLE WITH CRYOGENIC PROPELLANT Russian patent published in 1995 - IPC

FIELD: aviation. SUBSTANCE: filling system has tank 1 connected with shut-off cock 3 and on-board filling pipe union 4 by means of filling pipe line 2; mounted in upper zone of tank 1 is pipe line 5 with venting safety valves 6 and propellant vapor venting pipe line 7 provided with shut-off cock 8 and on-board venting pipe union 9 which is connected with interior of on-board filling pipe union 4 through additional pipe line 10 fitted with venting safety valve 11 whose outlet is connected with upper zone of tank 1 through propellant vapor venting pipe line 7; on-board venting pipe union 9 is provided with cut-off valve 12 and on-board filling pipe union 4 has shut-off members 13 and 14 mounted coaxially and used for shutting off filling pipe line 2 and additional pipe line 10. EFFECT: enhanced safety and reliability. 1 dwg