Title:
BALANCER DEVICE FOR THREE-CYLINDER INTERNAL COMBUSTION ENGINE AND BALANCER SHAFT
Document Type and Number:
Japanese Patent JP2021131023
Kind Code:
A
Abstract:
To provide a balancer device for a three-cylinder internal combustion engine that can suppress meshing sound emitted from a drive gear and a drive force transmission gear, and to provide a balancer shaft.SOLUTION: A balancer shaft for a balancer device for a three-cylinder internal combustion engine includes: a pair of balance weights each integrally installed so as to have different unbalance directions on an outer side as compared to an interval between a pair of bearings; and a drive force transmission gear integrally installed in the interval between the pair of bearings and meshing with a drive gear to transfer drive force from the internal combustion engine.SELECTED DRAWING: Figure 4
Inventors:
INADA ATSUSHI
SAWADA MASASHI
HIRANO TAKASHI
SAWADA MASASHI
HIRANO TAKASHI
Application Number:
JP2020024942A
Publication Date:
September 09, 2021
Filing Date:
February 18, 2020
Export Citation:
Assignee:
HITACHI ASTEMO LTD
International Classes:
F02B77/00; F16C3/02; F16F15/26
Attorney, Agent or Firm:
Patent Service Corporation Ayata Office