Boat-propelling machine
US7845997B2 · kind B2 · utility
1Cited by
15References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2006 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Dec 31, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H20/34
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a boat-propelling machine for attachment to a boat hull (200), an outer wall unit (4) is fixedly provided on a body of the machine for covering part of a cylindrical structural body (60) that is formed of metal alloy and positioned so as to be at least above a draft line during planning of the boat, and a lift force generation device (20) is provided on the outer vertical wall unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.