Title:
Bearing device for crankshaft of internal combustion engine
Document Type and Number:
Japanese Patent JP6356201
Kind Code:
B2
Abstract:
A bearing device (1) includes a crankshaft (3) having a plurality of journal portions (61, 62), main bearings (41, 42) for supporting the crankshaft (3), and a bearing housing (8). The plurality of journal portions includes a first journal portion (61) with a lubricating oil passage (63a) and a second journal portion (62) without the lubricating oil passage. The first and second journal portions (61, 62) are supported by the first and second main bearings (41, 42). The bearing housing (8) includes an upper-side housing (81) and a lower-side housing (82). A length (L2) of a crush relief (70) of at least an upper-side halved bearing (42U) of the second main bearing (42) is larger than a length (L1) of the crush relief (70) of each of upper-side and lower-side halved bearings (41U, 41L) of the first main bearing (41).
Inventors:
Uezu Yusuke
Yasushi Saito
Yasushi Saito
Application Number:
JP2016222426A
Publication Date:
July 11, 2018
Filing Date:
November 15, 2016
Export Citation:
Assignee:
Daido Metal Co., Ltd.
International Classes:
F16C9/02
Domestic Patent References:
| JP2015129451A | ||||
| JP201542890A | ||||
| JP2008196396A | ||||
| JP650117A | ||||
| JP727127A | ||||
| JP2016145617A | ||||
| JP5671526U |
Attorney, Agent or Firm:
Asamura patent office