Motor unit for a ship

Abstract

A propulsion unit arrangement for a ship including a motor housing, which is arranged in the water and contains a motor and a control unit. A propeller is arranged at a motor shaft. The motor housing is arranged as a separate modular motor unit, which can be attached to the ship by way of a fastening arrangement.

1 . A propulsion unit arrangement for a ship, said arrangement including at least one motor housing as well as a motor arranged therein, and further including control devices related thereto and a propeller arranged at one outermost end of a motor shaft wherein said at least one motor housing is arranged as a separate modular motor unit which is attachable as an entity to said ship by means of a supporting system including fastening means which are arranged at that end of said modular motor unit which is opposite to said propeller, wherein said supporting system includes means for conveying power supply or control functions to at least one separate modular motor unit attached to said ship.  
   
   
       2 . The arrangement according to  claim 1 , wherein said fastening means include flange means.  
   
   
       3 . The arrangement according to  claim 2 , wherein said flange means are arranged so that at least one separate modular motor unit's propeller shaft extends essentially horizontally.  
   
   
       4 . The arrangement according to  claim 2 , wherein said flange means are arranged so that the propeller shaft of a least one separate modular motor unit extends in a direction which differs from the horizontal direction.  
   
   
       5 . The arrangement according to  claim 1 , wherein flange means arranged for attachment of at least one separate modular motor unit, are arranged permanently to the ship's hull.  
   
   
       6 . The arrangement according to  claim 5 , wherein said flange means arranged for the attachment of said at least one separate modular motor unit are arranged permanently to a protrusion arranged on said hull, so that said at least one separate modular motor unit can be attached to said fastening means to form a structural extension of the hull in the water.  
   
   
       7 . The arrangement according to  claim 1 , wherein at least one separate modular motor unit is cooled through a casing structure of the unit directly to a medium located outside said unit.  
   
   
       8 . The arrangement according to  claim 7 , wherein at least one separate modular motor unit is provided with additional means for setting in motion a medium inside said at least one separate modular motor unit in order to enhance a heat transfer between said at least one separate modular motor and said medium located outside said unit.  
   
   
       9 . A propulsion unit arrangement for a ship comprising: at least one modular motor housing; at least one flange means connectable to the at least one modular motor housing and to a hull of a ship; a motor disposed in the at least one modular motor housing; a plurality of control devices operatively connected to the ship and the at least one modular motor housing through a mounting assembly or hull of the ship; and a motor shaft arranged in the at least one modular motor housing connected to a propeller wherein the at least one flange means is arranged at said housing at a front end axially opposite to said propeller, wherein a supporting arrangement connected to the ship comprises connecting means for conveying control and power functions to the at least one modular motor housing, and having at least one flange means at one end for attaching the at least one motor housing unit to the support member.  
   
   
       10 . The arrangement as in  claim 9 , wherein the at least one flange is arranged so that the shaft of the at least one modular motor housing extends in a direction other than a horizontal direction.