Watercraft drive
US8323063B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 4, 2006 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Aug 4, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H2001/185
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A surface drive that includes a shaft housing; a propeller; a propeller shaft that passes through the shaft housing with the propeller mounted at an end of the propeller shaft; and mounted to the shaft housing is at least one of a container, wherein a self-locking or automatic locking pitch change mechanism that is configured to adjust a propeller blade of the propeller is partially located in the container, or a propeller ventilation unit that is configured to direct exhaust gas to or away from the propeller based on a travel condition of the surface drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.