Dichtungseinheit für eine Azimutantriebseinheit

Details

Veröffentlichungs-Nr.

EP4782325

Anmeldetag

24. Januar 2025

Veröffentlichung

29. Juli 2026

Rechtsraum

EP

IPC

B63H5/10, B63H23/32

Abstract

Embodiments of the present disclosure relate to a sealing unit for an azimuthing propulsion unit. The propulsion unit comprises a rotatable inner shaft and a rotatable outer shaft, wherein the inner shaft runs at least partially within the outer shaft and wherein the outer shaft runs at least partially within a sealing housing of a pod. The sealing unit comprises: a plurality of chamber systems, wherein each chamber system comprises an inner shaft seal chamber, an outer shaft seal chamber and a passage through the outer shaft fluidly connecting the inner chamber and the outer shaft seal chamber; an inner shaft sealing between the inner shaft and the outer shaft, wherein the inner shaft sealing seals the inner shaft seal chambers of the plurality of chamber systems; and an outer shaft sealing between the outer shaft and the sealing housing, wherein the outer shaft sealing seals the outer shaft seal chambers of the plurality of chamber systems. Further embodiments relate to a method for servicing a sealing unit in an azimuthing propulsion unit.

Anmelder

Firma

ABB Oy

Land

🇫🇮 Finnland

Fachgebiete