of propellers (forming part of outboard units B63H20/00)

Full Title

Arrangements on vessels of propulsion elements directly acting on water > of propellers (forming part of outboard units B63H20/00)

Child Classifications

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• B63H 2005/075
• B63H 5/08 of more than one propeller
• B63H 5/125 movably mounted with respect to hull, e.g. adjustable in direction ( movably mounted for steering purposes only, B63H25/42)
• B63H 5/14 characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose (shrouding ring attached to blades B63H1/16; jet propulsion B63H11/00)
• B63H 5/16 characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
• B63H 5/18 of emergency propellers, e.g. arranged at the side of the vessel