Nozzles, e.g. Kort-type

Full Title

Arrangements on vessels of propulsion elements directly acting on water > of propellers (forming part of outboard units B63H20/00) > 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) > Nozzles, e.g. Kort-type