Method for trimming of a boat propeller drive and drive unit with means for performing the method
US5785562A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 29, 1997 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Jan 29, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H20/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Drive unit for boats comprising an internal combustion engine (16) and an outboard drive (1) driven by the engine. The engine has an engine control unit (13) which holds the speed of the engine constant independently of the load on the engine. A flowmeter (15) continuously gives a signal, which represents the instantaneous fuel consumption to the engine control unit. A trim control unit (11) controls the trim angle of the drive so that the lowest fuel consumption for the set engine speed is achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.