Engine control unit
US6971930B2 · kind B2 · utility
1Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2004 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Apr 19, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H21/24
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
To provide an engine control unit that can easily realize reacceleration in a jet propulsion boat. In a controller mounted in a jet propulsion boat that jets water pressurized and accelerated by a water jet pump from a rear jet and is propelled by its reaction, in case a throttle angle of an engine narrows in a state in which the speed of the engine that drives the water jet pump is equal to or exceeds a predetermined value, advance angle control is made over the ignition timing of the engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.