公开(公告)号：US20150017033A1

公开(公告)日：2015-01-15

申请号：US14325439

申请日：2014-07-08

Applicant: ABB OY

Inventor： Petri SÄKKINEN ,  Olli TOIVANEN

IPC: F01P3/20 ,  B63H21/36 ,  B63H21/17

CPC classification number: F01P3/202 ,  B63H5/125 ,  B63H21/17 ,  B63H21/36 ,  B63H21/383 ,  B63H23/24 ,  B63H2005/1258 ,  B63H2023/245 ,  B63J2/12 ,  H02K5/20 ,  H02K7/14 ,  H02K9/08 ,  H02K9/19

Abstract: The disclosure relates to a ship's propulsion unit including a shell structure arranged below a hull of the ship and an electric motor for rotating a propeller. The propulsion unit can include a closed gas circulation cooling system containing gas and include a gas circulation device for circulating gas through channels in the electric motor, a closed liquid cooling system having an inner space containing liquid, and a gas-liquid-heat exchanger in fluid connection with the closed gas circulation cooling system and with the closed liquid cooling system for exchanging thermal energy between gas circulating in the closed gas circulation cooling system and liquid in the closed liquid cooling system.

Abstract translation: 本公开涉及一种船舶的推进单元，其包括布置在船体船体下面的壳结构和用于旋转螺旋桨的电动马达。 推进单元可以包括一个包含气体的封闭气体循环冷却系统，并且包括用于使气体循环通过电动机通道的气体循环装置，具有含有液体的内部空间的封闭式液体冷却系统，以及一种气液热交换器 与闭合的气体循环冷却系统的流体连接以及用于在封闭的气体循环冷却系统中循环的气体和封闭的液体冷却系统中的液体之间交换热能的封闭的液体冷却系统。