FUEL TRANSFER DEVICE Russian patent published in 2004 - IPC

FIELD: fuel transfer systems.

SUBSTANCE: proposed fuel transfer device contain main lines with starting-and-cutoff valves, joint units and detachable connections of fuel transfer main lines. Said detachable connections are made in form of union and end piece, clamping and pressure nuts, set of disk springs and alternating metal rings and fluoroplastic cups. Profile of cups corresponds to curvilinear profile of adjoining metal rings. Cups are installed together with disk springs on end piece and are arranged in space of connection in compressed state, being pressed on by pressure nut located on threaded part of end piece. Slot mating lock-ring is made in pressure nut to receive locking lip of lock-ring. End part of end piece is provided with ring groove for support half rings.

EFFECT: improved reliability of fuel transfer device owing to sealing of detachable connections of fuel transfer main lines.

2 cl, 2 dwg