The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 2015
Filed:
Dec. 16, 2013
Applicant:
Abb Oy, Helsinki, FI;
Inventor:
Kimmo Kokkila, Helsinki, FI;
Assignee:
ABB OY, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H 5/08 (2006.01); B63H 1/04 (2006.01); B63H 21/17 (2006.01); B63H 25/38 (2006.01);
U.S. Cl.
CPC ...
B63H 5/08 (2013.01); B63H 1/04 (2013.01); B63H 21/17 (2013.01); B63H 25/38 (2013.01);
Abstract
An exemplary propulsion arrangement is disclosed which includes two propulsion units situated side by side at the stern of a ship at opposite sides of a center line of the hull of the ship. Each propulsion unit can include a hollow support structure attached to the hull, a chamber attached to the support structure, an electric motor within the chamber, a propeller connected through a shaft to the electric motor, and a pivotably supported rudder at the rear end of the chamber. Each propulsion unit can be mounted in a toe-out position forming a horizontal tilt angle (β) of 0.5 to 6 degrees to the center line (CL) of the hull.