Use of propulsion power plant or units on vessels

BPERFORMING OPERATIONS TRANSPORTING B63Ships B63HMARINE PROPULSION OR STEERING

B63H21/00Use of propulsion power plant or units on vessels

B63H21/02the vessels being steam-driven B63H21/04relating to positive-displacement steam engines B63H21/06relating to steam turbines B63H21/08relating to steam boilers B63H21/10relating to condensers or engine-cooling fluid heat-exchangers B63H21/12the vessel being motor-driven B63H21/14relating to internal-combustion engines B63H21/16relating to gas turbines B63H21/165by hydraulic fluid motor B63H21/17by electric motor B63H21/175the vessel being powered by land vehicle supported by vessel B63H21/18the vessels being powered by nuclear energy B63H21/20the vessels being powered by combinations of different types of propulsion units B63H21/21Control means for engine or transmission, specially adapted for use on marine vessels B63H21/213Levers or the like for controlling the engine or the transmission B63H21/22the propulsion power units being controlled from exterior of engine room B63H21/24the vessels being small craft B63H21/26of outboard type Outboard propulsion power units movably installed for steering, reversing, tilting, or the like B63H21/265Steering or control devices for outboards B63H21/28Arrangements of transmission between propulsion power unit and propulsive element B63H21/30Mounting of propulsion plant or unit B63H21/302with active vibration damping B63H21/305with passive vibration damping B63H21/32Arrangements of propulsion-unit exhaust uptakes Funnels peculiar to vessels; Small watercraft exhaust arrangements B63H21/34having exhaust-gas deflecting means B63H21/36Covers or casing arranged to protect plant or unit from marine environment B63H21/38Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids B63H21/383for handling cooling-water B63H21/386for handling lubrication liquids