Title:
Engine piston structure
Document Type and Number:
Japanese Patent JP5983750
Kind Code:
B2
Abstract:
An engine piston structure includes: a piston (1); a connecting rod (10) having a small end part (10a) coupled to the piston (1), and having a large end part (10b) coupled to a crankshaft; a piston pin (2) through which the piston (1) and the small end part (10a) of the connecting rod (10) are coupled together and which has a hollow cross section; and at least one dynamic vibration absorber (20) provided inside the piston pin (2) to reduce resonance of the piston (1), the piston pin (2), and the small end part (10a) of the connecting rod (10) in combination with respect to the large end part (10b) of the connecting rod (10) during a combustion stroke.
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Inventors:
Yasunori Kanda
Kouji Mori
Yasuhiro Sudo
Masakazu Kikuchi
Kazuo Toyota
Tetsuya Harusawa
Fukuda Yukichi
Akira Sumitani
Masahiro Koizumi
Koichi Hirata
Shuji Takuma
Koji Kubo
Kazuya Nishimori
Kouji Mori
Yasuhiro Sudo
Masakazu Kikuchi
Kazuo Toyota
Tetsuya Harusawa
Fukuda Yukichi
Akira Sumitani
Masahiro Koizumi
Koichi Hirata
Shuji Takuma
Koji Kubo
Kazuya Nishimori
Application Number:
JP2014532760A
Publication Date:
September 06, 2016
Filing Date:
August 09, 2013
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02F3/00; F02B77/00; F16C7/02; F16F15/02; F16J1/16
Domestic Patent References:
| JP62163365U | ||||
| JP59181248U | ||||
| JP60154663U | ||||
| JP754996A |
Attorney, Agent or Firm:
Maeda patent office