Title:
CRANKSHAFT
Document Type and Number:
Japanese Patent JP2022111412
Kind Code:
A
Abstract:
To provide a crankshaft capable of improving the vibration reducing effects without the need for a remarkable design change of an existing crankcase.SOLUTION: A first crank part 6 on one end side of a rotation axis, out of a plurality of crank parts, is formed with a first inside weight 21 on the center side of the rotation axis having a greater mass than a first outside weight 20 on the end side of the rotation axis. A second crank part 8 on the other end side of the rotation axis, out of the plurality of crank parts, is formed with a second inside weight 23 on the center side of the rotation axis having a greater mass than a second outside weight 22 on the end side of the rotation axis.SELECTED DRAWING: Figure 1
Inventors:
KAWATE TAIKI
SAKAI KAZUTO
SAKAI KAZUTO
Application Number:
JP2021006812A
Publication Date:
August 01, 2022
Filing Date:
January 20, 2021
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16C3/22; F02B75/18; F02B77/00; F16C3/08
Domestic Patent References:
| JPH06307429A | 1994-11-01 | |||
| JP2019158030A | 2019-09-19 |
Attorney, Agent or Firm:
Watanabe
Kikuhiko Nakamoto
Kikuhiko Nakamoto