Electric rudder propeller of lower installation height

US6790109B1 · kind B1 · utility

Assignees

• Siemens Aktiengesellschaft · DE
• Schottel GmbH & Co. KG · DE

Inventors

• Manfred Heer · Landkern, DE
• Wolfgang Rzadki · Glinde, DE

Key dates

• Filing date: Nov 13, 2002
• Grant date: Sep 14, 2004
• Expiry date: Nov 13, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B63H2005/1258
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An electrical steering propeller for a seagoing high-speed ship having a polyphase electric motor which is mounted under the stern of the ship via a shaft which can rotate and preferably has two parts in a gondola-like housing, and can be supplied with electrical drive power via a slipring arrangement, and can be rotated via drive motors, wherein the steering propeller is mounted in the stern of the ship via a flat collar bearing (7) in the vicinity of the outer skin (6), in particular above the waterline, with the slipring arrangement (8) being accommodated in the upper part (3) of the shaft (2,3) at the level of the annular bearing (7), and with the drive motors for the rotary movement (9) being physically small and being arranged at least partially in the interior of the collar bearing (4).