Engine for driving a watercraft propelled by a water jet
US7597600B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 1, 2007 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Nov 1, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H21/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for driving a water induction and discharge system of a watercraft propelled by a water jet includes a water impeller, an engine including a driven shaft and a first chamber for containing engine oil, a second chamber for containing engine oil, a pinion secured to the driven shaft and located in the second chamber, a gear located in the second chamber, engaged with the pinion and driveably connected to the water impeller, and a dam located in the second chamber for limiting oil flow across the dam into the oil contained in the second chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.