Title:
BALANCER SHAFT FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2017207109
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To effectively suppress generation of wear at a shaft surface on a side of an eccentric mass of a balancer shaft, in relation to a balancer shaft for an internal combustion engine.SOLUTION: A balancer shaft for an internal combustion engine includes: a journal part 34 held by a rotation shaft bearing 36 for an internal combustion engine; and an eccentric mass 14 having weight in an eccentric direction relative to a rotation center 38 of the journal part 34. The journal part 34 has a circular arc on a side of the eccentric mass 14, which is flattened more than the other side.SELECTED DRAWING: Figure 4
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Inventors:
TOIDA KAZUNOBU
Application Number:
JP2016098676A
Publication Date:
November 24, 2017
Filing Date:
May 17, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16F15/26
Attorney, Agent or Firm:
Hideki Takahashi
Mamoru Takada
Hidekazu Onishi
Mamoru Takada
Hidekazu Onishi