Flap rudder and steering system
US4944239A · kind A · utility
2Cited by
6References
13Claims
0Family size
Inventor
Key dates
| Filing date | Nov 15, 1988 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Nov 15, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H25/381
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An automatic steering control system between a towing marine vehicle and a towed marine vehicle comprising a main rudder and an active flap rudder extension on the towed vehicle controlled for independent oscillation by an active flap actuator that imparts a turning force to the flap in one direction to cause the flap and rudder to move together in an opposite direction and control means extending between the towing and towed vehicles for automatically controlling the active flap rudder extension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.