Rudder trunk for a watercraft, a watercraft having a rudder trunk and a method for producing a rudder trunk

Abstract

To improve the hydrodynamic efficiency of a vessel, a rudder trunk for a vessel is proposed, comprising a rudder stock tube, a receiving shaft and a holder for holding the rudder stock tube in the receiving shaft, wherein, in a state of the rudder stock tube being arranged in the receiving shaft, an intermediate space is provided between the rudder stock tube and the receiving shaft, wherein the holder comprises at least one holder element and at least one complementary holder piece, wherein the at least one holder element is arranged on the rudder stock tube, wherein the at least one complementary holder piece is arranged on the receiving shaft, and wherein the at least one holder element and/or that at least one complementary holder piece projects into the intermediate space in the state of the rudder trunk being arranged in the receiving shaft. To improve the hydrodynamic efficiency of a vessel, a rudder trunk for a vessel is proposed, comprising a rudder stock tube, a receiving shaft and a holder for holding the rudder stock tube in the receiving shaft, wherein, in a state of the rudder stock tube being arranged in the receiving shaft, an intermediate space is provided between the rudder stock tube and the receiving shaft, wherein the holder comprises at least one holder element and at least one complementary holder piece, wherein the at least one holder element is arranged on the rudder stock tube, wherein the at least one complementary holder piece is arranged on the receiving shaft, and wherein the at least one holder element and/or that at least one complementary holder piece projects into the intermediate space in the state of the rudder trunk being arranged in the receiving shaft.

1 . Rudder trunk for a vessel, comprising a rudder stock tube, a receiving shaft and a holder for holding the rudder stock tube in the receiving shaft, wherein, in a state of the rudder stock tube being arranged in the receiving shaft between the rudder stock tube and the receiving shaft, an intermediate space is provided, wherein the holder comprises at least one holder element and at least one complementary holder piece, wherein the at least one holder element is arranged on the rudder stock tube, wherein the at least one complementary holder piece is arranged at the receiving shaft, and wherein the at least one holder element and/or wherein at least one complementary holder piece in the state of the rudder trunk being arranged in the receiving shaft, projects into the intermediate space. 
     
     
         2 . Rudder trunk according to  claim 1 , wherein the at least one holder element and the at least one complementary holder piece can be arranged and/or are arranged on each other in form-fit and/or force-fit manner so that, in the state of the rudder trunk being arranged in the receiving shaft, in particular, in a state of the rudder trunk being arranged on the vessel comprising a rudder trunk and a receiving shaft, a movement of the rudder stock tube in the receiving shaft in an axial direction of the rudder stock tube is hindered or prevented. 
     
     
         3 . Rudder trunk according to  claim 1 , wherein at least two, holder elements are provided, and/or wherein at least two complementary holder pieces are provided. 
     
     
         4 . Rudder trunk according to  claim 1 , wherein the at least one holder element is formed as a single piece with the rudder stock tube and/or is connected to the rudder stock tube in a materially bonded and/or form-fit and/or force-fit manner, and/or wherein the at least one complementary holder piece is formed as a single piece with the receiving shaft and/or is connected to the receiving shaft in a materially bonded and/or form-fit and/or force-fit manner. 
     
     
         5 . Rudder trunk according to  claim 1 , wherein the at least one holder element and/or the at least one complementary holder piece is a pin, a bolt, a projection a plate a bar or a profile body, and/or wherein the at least one holder element and/or the at least one complementary holder piece is a receptacle, a recess, or a thread, and/or wherein the at least one holder element and/or that at least one complementary holder piece is a clamping element. 
     
     
         6 . Rudder trunk according to  claim 3 , whereinthe at least two holder elements are uniformly arranged across an outer circumference of the rudder stock tube, and/or wherein the at least two complementary holder pieces are uniformly arranged across an inner circumference of the receiving shaft. 
     
     
         7 . Rudder trunk according to  claim 6 , wherein the at least two holder elements are arranged spaced in the circumferential direction across the outer circumference of the rudder stock tube, and/or wherein the at least two complementary holder pieces are spaced in the circumferential direction across the inner circumference of the receiving shaft in such a way that, when inserting the rudder stock tube into the receiving shaft the holder elements can be passed by the complementary holder pieces in the axial direction. 
     
     
         8 . Rudder trunk according to  claim 1 , wherein the rudder stock tube is configuredto be rotatablein the receiving shaft if the intermediate space is not filled so that the at least one holder element and the at least one complementary holder piece can be aligned with each other by turning the rudder stock tube viewed in the axial direction. 
     
     
         9 . Rudder trunk according to  claim 8 , wherein the rudder stock tube in the receiving shaft is configured to be moveable in the axial direction if the intermediate space is not filled, so that the at least one holder element can be arranged at the at least one complementary holder piece. 
     
     
         10 . Rudder trunk according to  claim 9 , wherein the rudder stock tube in the state arranged in the receiving shaft can be further adjusted in the receiving shaft, if the intermediate space is not filled. 
     
     
         11 . Rudder trunk according to  claim 10 , wherein adjusting means are provided, wherein the adjusting means are formed in such a way that, a position and/or alignment of the rudder stock tube in the receiving shaft can be adjusted with respect to a radial direction of the receiving shaft and/or an angle between a central axis of the rudder stock tube and a central axis of the receiving shaft. 
     
     
         12 . (canceled) 
     
     
         13 . Rudder trunk according to  claim 1 , the intermediate space is filled with a bonding agent. 
     
     
         14 . Rudder trunk according to  claim 13 , wherein a sealing element is provided, wherein the sealing element is attached to an outer side of the rudder trunk so that when filling the intermediate space a leakage of the bonding agent to the outer side by the sealing element is preventable. 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . Rudder trunk according to  claim 14 , wherein the sealing element comprises at least one breakthrough, wherein the bonding agent can be introduced thorough the opening; into the intermediate space. 
     
     
         18 . Rudder trunk according to  claim 13 , wherein the bonding agent can be liquified via heat input so that the rudder stock tube can be removed from the receiving shaft after liquefaction of the bonding agent. 
     
     
         19 . Rudder trunk according to  claim 1 , wherein heating elements are arranged in the intermediate space. 
     
     
         20 . Rudder trunk according to  claim 1 , the wherein on the outer side and/or on the inner side of the rudder stock tube and/or the receiving shaft recesses are arranged, wherein signal conductive means are preferably-arranged in the recesses. 
     
     
         21 . (canceled) 
     
     
         22 . Vessel with a rudder trunk, said rudder trunk comprising a rudder stock tube, a receiving shaft and a holder for holding the rudder stock tube in the receiving shaft, wherein, in a state of the rudder stock tube being arranged in the receiving shaft between the rudder stock tube and the receiving and the receiving shaft, an intermediate space is provided, wherein the holder comprises at least one holder element and at least one complementary holder piece, wherein the at least one holder element is arranged on the rudder stock lube, wherein he at least one complementary holder piece is arranged at the receiving shaft, and wherein the at least one holder element and/or wherein at least one complementary holder piece, in the slate of the rudder trunk being arranged in the receiving shaft, projects into the intermediate space. 
     
     
         23 . (canceled) 
     
     
         24 . (canceled) 
     
     
         25 . (canceled) 
     
     
         26 . A method for producing a rudder trunk comprising a receiving shaft and a rudder stock tube in a vessel,wherein a vessel is provided, wherein the receiving shaft is arranged in the vessel, wherein the rudder stock tube is inserted into the receiving shaft, wherein the at least one holder element is passed by the at least one complementary holder piece wherein the rudder stock tube is rotated so that the at least one holder element and the at least one complementary holder piece are aligned to each other in an axial direction of the rudder trunk and/or the receiving shaft, wherein the rudder stock tube is moved in the axial direction so that the at least one holder element and the at least one complementary holder piece are arranged being placed onto one another. 
     
     
         27 . (canceled) 
     
     
         28 . The method according to  claim 26 , wherein the rudder stock tube is aligned in the receiving shaft with adjusting devices, wherein alignment with a propeller axis and/or a stern tube of the vessel is carried out. 
     
     
         29 . A method according to  claim 26  wherein an intermediate space between the rudder stock tube and the receiving shaft is filled with a bonding agent and wherein the bonding agent is cured. 
     
     
         30 . The method according to  claim 26 , wherein a sealing element is arranged on an outer side of the rudder trunk, so that, when filling the intermediate space, a leakage of the bonding agent to the outer side is prevented by the sealing element. 
     
     
         31 . (canceled) 
     
     
         32 . A method according to  claim 29 , wherein heating element are arranged within the intermediate space.