Underwater propulsive device
US5690519A · kind A · utility
11Cited by
1References
1Claims
0Family size
Inventor
Key dates
| Filing date | Sep 17, 1996 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Sep 17, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/128
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A propulsive device includes an enclosed type housing for receiving a motor and a spindle. The housing has no openings for preventing water from entering into the housing. One or more magnets are secured to the spindle and rotated in concert with the spindle. A casing is secured to the housing for rotatably receiving a shaft. The shaft has a blade secured to one end and has one or more magnets secured to the other end for acting with the magnets secured to the spindle and for allowing the blade to be rotated by the motor via the magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.