JOINT UNIT FOR FLIGHT VEHICLE AIR MAINS Russian patent published in 1994 - IPC

FIELD: devices for jointing air mains of flight vehicles. SUBSTANCE: joint unit of flight vehicle air mains is made in form of sectional pipe line which has cylindrical portion 1 loaded with spring 2 with expanding cone 3 for receiving the inlet of catcher 4 of the part being jointed whose tip is made in form of section of spherical surface 5 engageable with inner surface of cone 3; second end of cylindrical portion 1 is telescopically mounted through sealing member in ball joint 7 equipped with second sealing member 8. EFFECT: extended range of compensation for initial axial misalignment of joint units at adequate tightness of air mains. 2 dwg