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.

Date of Patent:
Dec. 04, 2018

Filed:

Sep. 25, 2017
Applicant:

Abb Schweiz Ag, Baden, CH;

Inventors:

Jani Hakala, Helsinki, FI;

Kimmo Kokkila, Helsinki, FI;

Petri Säkkinen, Helsinki, FI;

Assignee:

ABB Schweiz AG, Baden, CH;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B63H 5/125 (2006.01); B63H 21/30 (2006.01); B63B 9/00 (2006.01); B63H 21/17 (2006.01); B63H 21/36 (2006.01); B63H 25/42 (2006.01);
U.S. Cl.
CPC ...
B63H 21/30 (2013.01); B63B 9/00 (2013.01); B63H 21/17 (2013.01); B63H 21/36 (2013.01); B63H 25/42 (2013.01); B63B 2009/007 (2013.01); B63B 2755/00 (2013.01); B63H 2005/1254 (2013.01);
Abstract

An arrangement and a method for installing a propulsion unit to a hull of a ship. The propulsion unit comprises an upper part of the propulsion unit attachable to the hull of the ship and a lower part of the propulsion unit where to a propeller shaft is rotatably supported, and the upper part of the propulsion unit having flanges to attach the flanges tightly to the hull, and wherein there is an aperture in the bottom of the hull where to the propulsion unit is to be installed. The arrangement comprises a plurality of watertight covers covering openings in the bottom of the hull and a plurality of watertight covers covering openings in the top of the upper part of the propulsion unit, wherein the arrangement comprises a removable hull-side cover covering at least the opening under it, and at least one removable propulsion unit side cover covering the opening under it and facing the opening, and the removable covers are bolted from the hull-side.


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