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Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2018172986
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an internal combustion engine that further improve support rigidity for a crankshaft and can effectively suppress crank striking sound.SOLUTION: An internal combustion engine 23 includes: a crankcase 24 for sectioning a crank chamber 36; and a crankshaft 38 having a crank 37 stored in the crank chamber 36 and supported to the crankcase 24 via rolling bearings 39, 41. An outer race 52 of the rolling bearings 39, 41 has a shoulder part 55a that is smaller than an outdoor side of the crank chamber 36 in an axial direction, on a side of the crank 37 in the axial direction.SELECTED DRAWING: Figure 2

Inventors:
NIINO TADASHI
HARADA NORITAKA
Application Number:
JP2017070029A
Publication Date:
November 08, 2018
Filing Date:
March 31, 2017
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F02F7/00; F16C9/02; F16C19/16; F16C25/08
Attorney, Agent or Firm:
Ochiai Patent Office



 
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