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CN107074334A 用于船的密封装置、推进单元、船以及用于密封船的螺旋桨轴的方法 有权

  • Patent Title: 用于船的密封装置、推进单元、船以及用于密封船的螺旋桨轴的方法
  • Patent Title (English): A sealing arrangement for a vessel, a propulsion unit, a vessel and a method for sealing a propeller shaft of a vessel
  • Application No.: CN201580058715.5
    Application Date: 2015-11-02
  • Publication No.: CN107074334A
    Publication Date: 2017-08-18
  • Inventor: 萨米·帕洛坎加斯
  • Applicant: ABB公司
  • Applicant Address: 芬兰赫尔辛基
  • Assignee: ABB公司
  • Current Assignee: ABB公司
  • Current Assignee Address: 芬兰赫尔辛基
  • Agency: 北京集佳知识产权代理有限公司
  • Agent 潘炜; 王艳江
  • Priority: 14191486.1 20141103 EP
  • International Application: PCT/FI2015/050752 2015.11.02
  • International Announcement: WO2016/071565 EN 2016.05.12
  • Date entered country: 2017-04-27
  • Main IPC: B63H23/32
  • IPC: B63H23/32 ;  F16J15/00
用于船的密封装置、推进单元、船以及用于密封船的螺旋桨轴的方法
Abstract:
密封装置包括螺旋桨轴(31)、水密封件(100)、第一油密封件(200)、中间隔室(300)、第一压力传感器(91)、第二压力传感器(92)以及压力系统(500)，其中，螺旋桨轴由至少一个轴承(41)以可旋转的方式支承，水密封件定位在螺旋桨轴上，第一油密封件定位在螺旋桨轴上、邻近于轴承且与水密封件相距轴向(X‑X)距离(A2)，中间隔室在水密封件与第一油密封件之间延伸并且填充有气体，第一压力传感器用于测量作用在螺旋桨轴上的海水的压力，第二压力传感器用于测量中间隔室(300)内的气体的压力，压力系统用于对中间隔室内的气体产生压力，由此，中间隔室内的气体的压力保持在与作用在螺旋桨轴上的海水的压力相比较低的水平。
Abstract(English):

A sealing arrangement comprises a propeller shaft (31) rotatably supported with at least one bearing (41), a water seal (100) positioned on the propeller shaft, a first oil seal (200) positioned on the propeller shaft adjacent to the bearing at an axial (X-X) distance (A2) from the water seal, an intermediate compartment (300) extending between the water seal and the first oil seal and being filled with a gas, a first pressure sensor (91) for measuring the pressure of the sea water acting on the propeller shaft, a second pressure sensor (92) for measuring the pressure of the gas within the intermediate compartment, and a pressure system (500) for producing a pressure to the gas within the intermediate compartment, whereby the pressure of the gas within the intermediate compartment is kept at a lower level compared to the pressure of the sea water acting on the propeller shaft.

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