Semi-enclosed surfacing propeller driver system including air induction
US6045420A · kind A · utility
Inventors
Key dates
| Filing date | Jan 19, 1999 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Jan 19, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H2001/286
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The instant invention is directed toward a marine craft having a semi-enclosed surfacing type propeller in a tunnel that draws air through the specific areas located and shaped to enhance performance and compensate for prime mover torque and horsepower characteristics. The invention consists of these air induction features with description of their relationship to craft performance and operating characteristics. This invention also relates certain structures and configuration of these elements, as to enhanced control of said marine craft. The control of these elements having no moving parts or operator interface. Its sequencing is established by the hull movement and the water around it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.