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Air cylinder bush of engine

A cylinder liner and engine technology, applied in the direction of engine testing, engine components, machines/engines, etc., can solve difficult position checks, cannot easily know the change of cylinder liner wear state, and cannot fully evaluate cylinder liner wear Status and other issues

Inactive Publication Date: 2019-11-26
NIPPON YOOSEN KABUSHIKI KAISHA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fixed-point imaging method cannot obtain a clear image near the top, and thus cannot fully evaluate the wear state of the cylinder liner
[0013] In addition, regardless of the direct approach method or the fixed-point imaging method, the images obtained by shooting the same cylinder liner at different times are different, and it is difficult to check the position based on these images
Therefore, changes in the state of wear in specific areas of the cylinder liner cannot be easily known

Method used

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  • Air cylinder bush of engine
  • Air cylinder bush of engine
  • Air cylinder bush of engine

Examples

Experimental program
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Embodiment Construction

[0078] 1. Structure

[0079] figure 1 It is a schematic diagram of the overall structure of the cylinder liner inspection system 1 provided in this embodiment. The cylinder liner inspection system 1 is a system that supports inspection of a cylinder liner that covers the inner surface of a cylinder of a ship engine.

[0080] The cylinder liner inspection system 1 includes a terminal device 11 placed on the ship 5, a server device 12 for data communication between the communication satellite 6 and the terminal device 11, and a server device 13 for providing weather and sea weather data to the server device 12. The weather and sea weather data represent The weather or walrus encountered by the ship 5 during the voyage. In addition, although figure 1 The shown ships 5 and terminal devices 11 are one each, but the number of ships 5 and terminal devices 11 is not limited to one.

[0081] The ship 5 is equipped with an imaging device 14 constituting the cylinder liner inspecti...

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PUM

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Abstract

The invention provides an air cylinder bush 53 of an engine. A pattern is arranged on the inner side face of the air cylinder bush 53, and at least one of the size, shape and direction of the patternchanges along with the abrasion degree.

Description

[0001] This application is a divisional application of the invention patent application with the application number 201580075666.6. The filing date of the original application is August 8, 2017. Appliances and Cylinder Liners". technical field [0002] The present invention relates to a technique for inspecting cylinder liners of an engine. Background technique [0003] In large engines such as engines of large ships, the state of wear of cylinder liners is inspected as maintenance work. [0004] One method of checking the wear state of the cylinder liner is a method in which a maintenance person enters the cylinder and directly visually observes or photographs the inner surface of the cylinder liner. [0005] In addition, as another method of checking the wear state of the cylinder liner, there is a method in which maintenance personnel use an imaging device inserted into the cylinder from the scavenging port of the cylinder to photograph the inner surface of the cylinder ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/00G01M15/02G01M15/05G01N21/954
CPCG01B11/00G01M15/04G01N21/954G01B21/00G01M15/02G01M15/05
Inventor 射手充代中谷博司庄司勉
Owner NIPPON YOOSEN KABUSHIKI KAISHA
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