Title:
内燃機関のピストンクランク機構におけるロアリンク
Document Type and Number:
Japanese Patent JP4779635
Kind Code:
B2
Abstract:
A lower link for a piston crank mechanism of an internal combustion engine includes an upper section (31), a lower section (32), and a crank pin bearing section (21) disposed between the upper section and the lower section, and mounted on a crank pin (3) of a crank shaft (1). One of the upper section and the lower section is formed with a bolt inserting hole (34). The other of the upper section and the lower section is formed with an internal thread portion (35) including an open end (35a). One of the bolts (33) passes through the bolt inserting hole, is screwed into the internal thread portion, and includes an end bared from the open end which is formed in a surface (45) perpendicular to a bolt center axis. The other of the upper section and the lower section includes a recessed portion (46) formed in the surface to divert a stress transmitting path.
Inventors:
Hideaki Mizuno
Shunichi Aoyama
Kenji Ushijima
Katsuya Mogi
Shunichi Aoyama
Kenji Ushijima
Katsuya Mogi
Application Number:
JP2005365704A
Publication Date:
September 28, 2011
Filing Date:
December 20, 2005
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
F16C7/00; F01B9/04; F01B31/14; F02B75/04; F02B75/32; F02F7/00
Domestic Patent References:
| JP2004124776A | ||||
| JP2005180657A | ||||
| JP2006177272A | ||||
| JP2005207269A | ||||
| JP2004122511A |
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Hiromichi Kobayashi
Tomioka Kiyoshi
Hiromichi Kobayashi
Tomioka Kiyoshi