Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CRANK WASHER
Document Type and Number:
Japanese Patent JP2018197589
Kind Code:
A
Abstract:
To provide a crank washer for suppressing seizure without the need for an oil groove and surface machining.SOLUTION: A crank washer 30 for supporting the axial force of a crankshaft consists of an upper washer 31 and a lower washer 32. The upper washer 31 has an inclined face 313, and the lower washer 32 has an inclined face 323. The inclined face 313 has a prefixed radial width w in view from the axial direction. Besides the inclined face 313 has an axial thickness gradually reduced as extending from the side of an outer peripheral face 315 to the side of an inner peripheral face 314. The inclined face 323 has a prefixed radial width w in view from the axial direction. Besides, the inclined face 323 has a y-axial thickness gradually reduced as extending from the side of an outer peripheral face 325 to the side of an inner peripheral face 324. Lubricating oil flowing out of a main bearing flows from the inclined face 313 to a sliding face 310 and flows from the inclined face 323 to a sliding face 320.SELECTED DRAWING: Figure 2

Inventors:
棚橋 大
Application Number:
JP2017102739A
Publication Date:
December 13, 2018
Filing Date:
May 24, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
大豊工業株式会社
International Classes:
F16C17/04; F16C9/02; F16C33/10
Attorney, Agent or Firm:
特許業務法人朝日特許事務所
渡邉 浩