Duct arrangement
AssigneeROLLS-ROYCE plc
InventorsJohn Richard Webster, Paul John Newton, Paul Fletcher
Life of this patent
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Abstract
A duct arrangement 18 for a waterjet propulsor 10. The duct arrangement 18 comprises a main duct 30 having an inlet 20. The inlet 20 has an elongate main portion 32 extending along a principal axis 34, and at least one lateral portion 36 in fluid communication with the main portion 34. The at least one lateral portion 36 extends part way only along the length of the main portion 34.
Claims20
A duct arrangement for a waterjet propulsor, for powering a water vessel, the duct arrangement comprising a main duct comprising an inlet for water, the inlet in use being located below a waterline of a water vessel, the inlet having an elongate main portion extending along a principal axis, and at least one lateral portion extending from a side of the main portion in fluid communication with the main portion, the at least one lateral portion extending part way only along the length of the main portion, wherein as seen from below the inlet in use a downstream end of the or each lateral portion extends downstream relative to a downstream end of the main portion.
Dependencies are inferred from the claim text.