Automatic control for trim tabs
US5474012A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 7, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Sep 7, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B39/061
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Adjustment is made of the position of a marine transportation system including a boat having a drive, a trimmable port tab and a trimmable starboard tab. The operation of the marine transportation system is monitored to provide an output distinguishing boat operation in an on-plane condition and boat operation in an off-plane condition, to provide an output distinguishing boat travel in a straight forward condition and boat travel in a turning condition and to provide an output distinguishing boat operation in a first heel condition in which the boat tilts to port and boat operation in a second heel condition in which the boat tilts to starboard. The port and starboard tabs are positioned at desired positions in response to the outputs. According to the embodiment, a heel adjustment operation of the boat is carried out during boat operation in an on-plane straight forward travel condition, only.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.