Dual steering nozzle marine jet propulsion system
US7753746B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2008 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Sep 3, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H11/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A marine jet propulsion system has a jet pump, a venturi connected to the jet pump, a first steering nozzle rotationally mounted relative to the venturi about a first steering axis, and a second steering nozzle rotationally mounted relative to the first steering nozzle about a second steering axis. The second steering axis is disposed rearwardly of the first steering axis. Rotation of the first steering nozzle relative to the venturi about the first steering axis in a steering direction causes the second steering axis to rotate about the first steering axis in the steering direction and the second steering nozzle to rotate relative to the first steering nozzle about the second steering axis in the steering direction. A watercraft having the jet propulsion system and a nozzle assembly for a marine jet propulsion system are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.