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Electric pod drive for a ship

A driver and pod technology, applied in the field of electric pod driver, can solve the problems that heat cannot be directly conducted, and the winding head cannot be sufficiently cooled.

Inactive Publication Date: 2016-03-23
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this does not sufficiently cool the winding ends, since the winding ends do not touch the housing and therefore the heat cannot be conducted directly to the housing and thus to the water.

Method used

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  • Electric pod drive for a ship
  • Electric pod drive for a ship
  • Electric pod drive for a ship

Examples

Experimental program
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Embodiment Construction

[0071] figure 1 A first embodiment of an electric pod drive according to the invention is shown. The electric pod drive is fastened to the hull of the ship by means of a shaft 18 and has a propeller 17 for driving the ship. The drive power is applied here by an electric motor having a hollow-cylindrical stator 1 and a rotor 16 rotatably accommodated in stator 1 , wherein rotor 16 is connected to a propeller 17 in a rotationally fixed manner by means of shaft 6 .

[0072]The stator 1 is surrounded in the circumferential direction by a housing part 2 which, in the frame of the exemplary embodiment, extends axially over the length of the stator 1 . Furthermore, the cooling channel 3 is arranged such that it extends in the axial direction and in which a cooling medium can flow in order to cool the electric motor. In this case, the cooling channels 3 are delimited radially inwardly by a layer 4 of a material which has a thermal conductivity of at least 1 W / (m*K) and which is corr...

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PUM

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Abstract

The invention relates to an electric pod drive for a ship, comprising an electric motor having a stator (1), and a housing part (2), at least part of which extends along the stator in an axial direction and which surrounds at least part of the stator in a circumferential direction. In order to provide an electric pod drive having an improved cooling system, cooling channels (3) are provided, running in a substantially axial direction, in each of which at least one cooling medium can flow, and by means of which the electric motor can be cooled. Each cooling channel is bordered, at least radially inwards, by a coating (4) of material having a thermal conductivity of at least 1 W / (m K) and being resistant to corrosion, at least in salt-water conditions.

Description

technical field [0001] The invention relates to an electric pod drive for ships, wherein the electric pod drive has an electric motor with a stator and a housing part extending at least partially along the stator in the axial direction, and the housing The body part at least partially surrounds the stator in the circumferential direction. Background technique [0002] Such electric pod drives are used, for example, in ships as drive units, wherein the pod drive is located outside the hull and below the water level, in particular in sea water, and drives a propeller. Such electric pod drives are also called POD drives. In such electric pod drives, the heat loss of the electric motor must be dissipated in a suitable manner in order to keep the electric motor at a constant and acceptable temperature level during operation. [0003] Heat dissipation from the stator has hitherto been carried out by convection on the surface of the housing. The stator laminations are shrunk int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H23/24B63H5/125H02K1/20H02K5/20H02K9/22
CPCH02K9/10B63H5/125B63H21/383B63H23/24B63H2005/103B63H2005/1258B63J2/12
Inventor 克里斯托夫·巴尔策弗兰克·赛布伊克
Owner SIEMENS AG