PROBLEM TO BE SOLVED: To provide a marine gear device whose power transmission system is made simple and compact so that a side thruster can be used even for a comparatively small vessel.SOLUTION: The marine gear device has a hydraulic variable transmission 30 that changes speed of power of a main engine 7 mounted on a hull. The hydraulic variable transmission 30 comprises one hydraulic pump 41 and two hydraulic motors 42 and 43. The hydraulic pump 41 is driven by the main engine 7, a screw 5 that makes a hull to generate thrust in a longitudinal direction is driven by a first hydraulic motor 42, and a side thruster that makes the hull to generate thrust in a left-and-right steering direction is driven by a second hydraulic motor 43.
【課題】比較的小型の船舶にもサイドスラスタを採用できるように、動力伝達系統を簡単且つコンパクトにするマリンギヤ装置を提供する。【解決手段】船体に搭載した主機関7の動力を変速する油圧無段変速機30を有するマリンギヤ装置において、油圧無段変速機30は、1つの油圧ポンプ41と2つの油圧モータ42,43とを備える。油圧ポンプ41を主機関7で駆動させ、船体に前後方向の推力を発生させるスクリュー5を第1油圧モータ42で駆動させ、船体に左右舷方向の推力を発生させるサイドスラスタを第2油圧モータ43で駆動させるように構成する。【選択図】図4
MARINE GEAR DEVICE AND VESSEL EQUIPPED WITH THE SAME
マリンギヤ装置及びこれを備えた船舶
2015-11-12
Patent
Electronic Resource
Japanese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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