公开(公告)号：US09127784B2

公开(公告)日：2015-09-08

申请号：US14087623

申请日：2013-11-22

Applicant: ROLLS-ROYCE PLC

Inventor： John Richard Webster ,  Paul John Newton ,  Paul Fletcher

IPC: B63H11/103 ,  F16L9/00 ,  B63H11/00 ,  B63H11/04

CPC classification number: F16L9/00 ,  B63H11/00 ,  B63H11/04 ,  B63H11/103 ,  B63H2011/004 ,  B63H2011/043

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.

Abstract translation: 用于水射流推进器10的管道装置18.管道装置18包括具有入口20的主管道30.入口20具有沿主轴线34延伸的细长主体部分32和与流体连通的至少一个横向部分36 主体部分34.至少一个横向部分36仅沿主体部分34的长度部分地延伸。