Title:
クランクシャフトの軸受支持構造
Document Type and Number:
Japanese Patent JP6729415
Kind Code:
B2
Abstract:
A crankshaft bearing support structure includes a cylinder block having a first holding portion; a first plain bearing held by the first holding portion of the cylinder block; a crank cap fastened to the cylinder block, the crank cap having a second holding portion; a second plain bearing held by the second holding portion of the crank cap; and a crankshaft having an axis of rotation, the crankshaft being rotatably held by the first plain bearing and the second plain bearing and configured to receive an explosive load from a piston via a connecting rod. The crankshaft flexes, when subjected to the explosive load, in a direction of the explosive load. The crank cap in provided with a mechanism which causes the second holding portion to flex in a manner that a bearing holding surface of the second holding portion follows flexure of the crankshaft subjected to the explosive load.
Inventors:
Yoshiaki Kamiya
Application Number:
JP2017007356A
Publication Date:
July 22, 2020
Filing Date:
January 19, 2017
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
F16C17/02; F16C9/02
Domestic Patent References:
| JP56125523U | ||||
| JP8028544A | ||||
| JP8061378A |
Attorney, Agent or Firm:
Fukami patent office