Patent · US Expired

Turning of a propulsion unit

US6712654B1 · kind B1 · utility

24Cited by

22References

10Claims

0Family size

Assignee

ABB Oy · FI

Inventor

Erkki Mikael Putaansuu · Helsinki, FI

Key dates

Filing date	Sep 28, 2001
Grant date	Mar 30, 2004
Priority date	—
Expiry date	Sep 28, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B2211/78
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The present application is a method and apparatus for moving and steering a vessel traveling in water. The arrangement for moving and steering a vessel includes a propulsion unit having a chamber positioned outside the vessel equipment for rotating a propeller arranged in connection with the chamber, and a shaft means connected to the chamber for supporting the chamber in a rotatable manner at the hull of the vessel. At least one hydraulic motor if used for turning the shaft means in relation to the hull of the vessel for steering the vessel. The arrangement also includes a means for altering the rotational displacement of the hydraulic engine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.