SHIP

PROBLEM TO BE SOLVED: To provide a ship having a mariner type rudder at the stern capable of enhancing the course stability. SOLUTION: In the ship 1, a stern hull 3 at a stern 2 has a downwardly directed stern portion 3a and a backwardly directed stern portion 3b. A horn 4 is installed on the downwa...

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1. Verfasser:	IWAMOTO SABURO
Format:	Patent
Sprache:	eng
Schlagworte:	MARINE PROPULSION OR STEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
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creator	IWAMOTO SABURO
description	PROBLEM TO BE SOLVED: To provide a ship having a mariner type rudder at the stern capable of enhancing the course stability. SOLUTION: In the ship 1, a stern hull 3 at a stern 2 has a downwardly directed stern portion 3a and a backwardly directed stern portion 3b. A horn 4 is installed on the downwardly directed stern portion 3a, and a rudder 6 is pivotably supported by a pintle 7 in a rocking manner at an end of the horn 4. A rudder stock 8 is vertically mounted on an upper end of the rudder 6, and the rudder stock 8 is penetrated through the stern hull 3, and connected to a steering gear 11 stored in the stern hull 3. A screw propeller 9 is installed on the backwardly directed stern part 3. In such a structure of the stern 2, the ratio H2/H1 is set to be ≤0.4, where H1 is the height of the rudder 6, and H2 is the length from the lower end of the horn 4 to the upper end of the rudder 6. A stern frame on the shell plating of the stern hull is formed in a U-shape. COPYRIGHT: (C)2006,JPO&NCIPI
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A horn 4 is installed on the downwardly directed stern portion 3a, and a rudder 6 is pivotably supported by a pintle 7 in a rocking manner at an end of the horn 4. A rudder stock 8 is vertically mounted on an upper end of the rudder 6, and the rudder stock 8 is penetrated through the stern hull 3, and connected to a steering gear 11 stored in the stern hull 3. A screw propeller 9 is installed on the backwardly directed stern part 3. In such a structure of the stern 2, the ratio H2/H1 is set to be ≤0.4, where H1 is the height of the rudder 6, and H2 is the length from the lower end of the horn 4 to the upper end of the rudder 6. A stern frame on the shell plating of the stern hull is formed in a U-shape. 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SOLUTION: In the ship 1, a stern hull 3 at a stern 2 has a downwardly directed stern portion 3a and a backwardly directed stern portion 3b. A horn 4 is installed on the downwardly directed stern portion 3a, and a rudder 6 is pivotably supported by a pintle 7 in a rocking manner at an end of the horn 4. A rudder stock 8 is vertically mounted on an upper end of the rudder 6, and the rudder stock 8 is penetrated through the stern hull 3, and connected to a steering gear 11 stored in the stern hull 3. A screw propeller 9 is installed on the backwardly directed stern part 3. In such a structure of the stern 2, the ratio H2/H1 is set to be ≤0.4, where H1 is the height of the rudder 6, and H2 is the length from the lower end of the horn 4 to the upper end of the rudder 6. A stern frame on the shell plating of the stern hull is formed in a U-shape. COPYRIGHT: (C)2006,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects	MARINE PROPULSION OR STEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
title	SHIP
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