Patent · US Expired

Propeller drive for watercraft

US5795199A · kind A · utility

11Cited by

3References

19Claims

0Family size

Assignee

Blohm & Voss GmbH · DE

Inventors

Hans Langenberg · Hamburg, DE
Hansjorg Klante · Wedel, DE

Key dates

Filing date	Jul 14, 1997
Grant date	Aug 18, 1998
Priority date	—
Expiry date	Jul 14, 2017

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB63H5/125
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A propeller drive for watercraft, preferably for ferry boats and car ferries, which has two propellers located one behind the other in the center-line plane. The forward propeller is preferably located on a marine shaft which exits the hull, and can be driven by means of a drive system. The aft propeller is preferably driven by means of a separate drive system, and the aft propeller is realized so that it can pivot by at least about 90 degrees around an axis, the axis being preferably vertical.

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