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:
Sep. 05, 2017
Filed:
May. 08, 2013
Samsung Heavy Ind. Co., Ltd., Seoul, KR;
Dong-Hyun Lee, Daejeon, KR;
Jong-Soo Seo, Daejeon, KR;
Tae-Goo Lee, Daejeon, KR;
Kwang-Jun Paik, Daejeon, KR;
Kwang-Kun Park, Daejeon, KR;
Seung-Myun Hwangbo, Busan, KR;
Ji Nam Kim, Tongyeong-si, KR;
Hyuk Kwun, Geoje-si, KR;
Samsung Heavy Ind. Co., Ltd., Seoul, KR;
Abstract
Disclosed are a propulsion device for a ship and a ship having the same. The propulsion device may include a rotational shaft, a rear propeller fixed to the rotational shaft, a front propeller rotatably supported by the drive shaft in front of the rear propeller, a counter rotation unit disposed in an installation space of a stern of a ship body and including a plurality of gears configured to reverse rotation of the rotational shaft and transmit the reversed rotation to the front propeller and a gear box configured to receive the plurality of gears, a coupling unit configured to separably connect the rotational shaft with the counter rotation unit and cut off power transmission from the rotational shaft to the counter rotation unit upon disconnection therebetween, and a rotation preventing unit configured to prevent rotation of the front propeller when the coupling unit is separated.