Contra-rotating propeller supported on rudder horn of ship

A contra-rotating propeller system is installed between a rudder horn of a ship and shaft support at an engine-output side. The system includes a propeller shaft rotatably supported by the rudder horn and the shaft support, respectively, a front propeller fixed to the propeller shaft, a counter rota...

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Main Authors Choi, Soon Ho, Cho, Hee Sang, Rhyu, Seong Sun, Oh, Se Myun
Format Patent
LanguageEnglish
Published 05.06.2012
Online AccessGet full text

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Abstract A contra-rotating propeller system is installed between a rudder horn of a ship and shaft support at an engine-output side. The system includes a propeller shaft rotatably supported by the rudder horn and the shaft support, respectively, a front propeller fixed to the propeller shaft, a counter rotating gear set installed on the rudder horn and connected with the propeller shaft, and a rear propeller connected to the counter rotating gear set and disposed between the rudder horn and the front propeller.
AbstractList A contra-rotating propeller system is installed between a rudder horn of a ship and shaft support at an engine-output side. The system includes a propeller shaft rotatably supported by the rudder horn and the shaft support, respectively, a front propeller fixed to the propeller shaft, a counter rotating gear set installed on the rudder horn and connected with the propeller shaft, and a rear propeller connected to the counter rotating gear set and disposed between the rudder horn and the front propeller.
Author Rhyu, Seong Sun
Cho, Hee Sang
Choi, Soon Ho
Oh, Se Myun
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References (S60-095397) 19850600
Levander (6966804) 20051100
(61-144454) 19860700
(10-2004-0004863) 20040100
The Chinese Office Action dated Dec. 13, 2011 and the English translation thereof.
(20-0324845) 20030800
The Japanese Office Action dated Jan. 24, 2012 and the English summary thereof.
Yates et al. (5087230) 19920200
Belenger (5413512) 19950500
(S63-016298) 19880200
Fujita (5030149) 19910700
(H05-193563) 19930800
(61-001598) 19860100
(2004-306947) 20041100
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Snippet A contra-rotating propeller system is installed between a rudder horn of a ship and shaft support at an engine-output side. The system includes a propeller...
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Title Contra-rotating propeller supported on rudder horn of ship
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