FIELD: shipbuilding; devices for underwater discharge of water. SUBSTANCE: swivel nozzle head is mounted in recess in ship's hull in pressure pipe line for underwater discharge of water; it may be sunken in recess at external pressure and may return to working position; recess is cylindrical in mounted in recess for turn about is axis; nozzle is provided with turn vane made in form of stiffener. EFFECT: possibility to expel water to side opposite to motion of ship and to convert expelling energy into thrust. 2 dwg
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|---|---|---|---|
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SU1840297A1 |
| 0 |
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