Title:
INTERNAL COMBUSTION ENGINE SYSTEM AND VIBRATION PREVENTION STRUCTURE OF CRANK SHAFT
Document Type and Number:
Japanese Patent JP2020159468
Kind Code:
A
Abstract:
To provide an internal combustion engine system which can inhibit occurrence of a predetermined vibration amplitude in a crank shaft, and to provide a vibration prevention structure of the crank shaft.SOLUTION: An internal combustion engine system includes: a crank shaft which may rotate around an axis; a rotating body which is disposed at one axial end side of the crank shaft so as to be rotatable integrally with the crank shaft; a damper member attached to a wall surface of the rotating body; and a weight member attached to a side of the damper member which is opposite to the rotating body in an axial direction.SELECTED DRAWING: Figure 2
Inventors:
KOBAYASHI SHINICHIRO
NAGAYOSHI TAKASHI
NAGAYOSHI TAKASHI
Application Number:
JP2019059287A
Publication Date:
October 01, 2020
Filing Date:
March 26, 2019
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F16F15/30; F02B77/00; F16C3/08; F16F15/31
Attorney, Agent or Firm:
Washeda International Patent Office