Use of propulsion power plant or units on vessels

Child Classifications

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• B63H 2021/003
• B63H 2021/006
• B63H 21/02 the vessels being steam-driven (B63H21/18 takes precedence)
• B63H 21/12 the vessels being motor-driven (B63H21/175, B63H21/18 take precedence; )
• B63H 21/175 the vessel being powered by land vehicle supported by vessel
• B63H 21/18 the vessels being powered by nuclear energy
• B63H 21/20 the vessels being powered by combinations of different types of propulsion units
• B63H 21/21 Control means for engine or transmission, specially adapted for use on marine vessels
• B63H 21/22 the propulsion power units being controlled from exterior of engine room, e.g. from navigation bridge; Arrangements of order telegraphs
• B63H 21/24
• B63H 21/30 Mounting of propulsion plant or unit, e.g. for anti-vibration purposes (hull reinforcements therefor B63B3/70)
• B63H 21/32 Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels
• B63H 21/36 Covers or casing arranged to protect plant or unit from marine environment
• B63H 21/38 Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like ( lubricating or cooling machines or engines in general F01 - F04)