SHIPBOARD ENGINE-AND-PROPELLER PLANT Russian patent published in 1996 - IPC

FIELD: shipbuilding. SUBSTANCE: shipboard engine-and-propeller plant has propeller tube and cylinder blocks; cylinder block includes cylinder 5 for steam with piston 7 and waste steam discharge pipe 22 and sea water cylinder 4 with piston 6 and sea water supply pipe. Pistons 6 and 7 of cylinders 4 and 5 are rigidly interconnected by means of rod 8. Fitted between walls of cylinders 4 and 5 is bush 11 through which rod 8 connecting pistons 6 and 7 is passed. Cylinders 5 are brought in communication with high-pressure steam chamber 13 by means of branch pipes 16 and 17 and cylinders 4 are brought in communication with high-pressure sea water chamber 12 by means of branch pipes 14 and 15. Chamber 13 is brought in communication with steam line running from nuclear reactor and chamber 12 is brought in communication with circular clearance by means of water line; circular clearance is formed by propeller tube and branch pipe with bevelled fore and aft ends which are fitted coaxially in this tube. EFFECT: enhanced reliability. 6 cl, 9 dwg