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Patent Searching and Data


Title:
SUPPORTING STRUCTURE OF CRANK SHAFT
Document Type and Number:
Japanese Patent JP2019007607
Kind Code:
A
Abstract:
To provide a supporting structure of a crank shaft capable of suppressing occurrence of fretting.SOLUTION: A supporting structure of a crank shaft supports the crank shaft having three or more journal portions. In the supporting structure, a bearing holding portion 38 is formed to hold bearings 40a-40d while holding them in a vertical direction by each recessed portion of cylinder blocks and caps. The bearings 40a-40d have back metal layers 43, 45 forming outer peripheral faces, and lining layers 44, 46 stacked on the back metal layers 43, 45 at a side opposite to the outer peripheral face. The bearings 40b, 40c have a thickness of the back metal layers 43, 45 more than that of two bearings 40a, 40d disposed at both ends among the bearings 40a, 40d.SELECTED DRAWING: Figure 5

Inventors:
加藤 慎一
Application Number:
JP2017126510A
Publication Date:
January 17, 2019
Filing Date:
June 28, 2017
Export Citation:
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Assignee:
大豊工業株式会社
International Classes:
F16C17/02; F16C9/02; F16C33/06
Attorney, Agent or Firm:
山田 強