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.
Patent No.:
Date of Patent:
Jun. 05, 2012
Filed:
May. 30, 2008
Soon Ho Choi, Daejeon, KR;
Hee Sang Cho, Daejeon, KR;
Seong Sun Rhyu, Daejeon, KR;
SE Myun OH, Seoul, KR;
Soon Ho Choi, Daejeon, KR;
Hee Sang Cho, Daejeon, KR;
Seong Sun Rhyu, Daejeon, KR;
Se Myun Oh, Seoul, KR;
Samsung Heavy Ind. Co., Ltd., , KR;
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.