Icebreaking ship

US5325803A · kind A · utility

Assignee

• Thyssen Nordseewerke GmbH · US

Inventors

• Peter Jans · Emden, DE
• Karl-Heinz Rupp · Hamburg, DE
• Jens-Holger Hellmann · Hamburg, DE

Key dates

• Filing date: May 10, 1993
• Grant date: Jul 5, 1994
• Expiry date: May 10, 2013

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B63B35/08
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

For icebraking ships whose forward quarter is designed like a pontoon with an underside rising obliquely forward, and having icebreaking configurations on its sides, the hull can be equipped on both sides over the entire length of the ship with balcony-like flanks that improve the maneuverability of the icebreaking ship. The undersides of the balcony-like flanks can drop off obliquely downward and preferably lie at the level of the water line so that, during the turning of the ship, the oblique undersides can break off the edges of the ice. Further, the underside of the bow in the vicinity of the icebreaking configurations can be designed wider that the water line of the afterbody, to thus provide a clearance between the edges of the ice and the hull.