SUBMERSIBLE VEHICLE Russian patent published in 1998 - IPC

FIELD: shipbuilding; construction of hulls of submersible vehicles. SUBSTANCE: submersible vehicle has pipe line connecting two adjacent compartments between which intermediate section of pressure hull is mounted. Inside this section, pipe line has fixed joint with transversal bulkhead of one of compartments and movable joint for axial shift. Movable joint may be made in form of hollow cylindrical spacer with seals having form of piston rings. Besides that, movable joint may be made in form of bellows connected with reservoir receiving leakage. EFFECT: enhanced reliability and facilitated manufacture. 4 cl, 7 dwg