Title:
CONNECTING ROD AND INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2015152013
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a connecting rod and an internal combustion engine, enabling a compression ratio to be changed.SOLUTION: There is provided a connecting rod 10 having: a large diameter end bearing eye for attaching the connecting rod 10 to a crank shaft; a small diameter end bearing eye 12 for attaching the connecting rod 10 to a piston of a cylinder; and an eccentric adjusting device 13 for adjusting an effective connecting rod length. The eccentric adjusting device 13 has eccentric rods 15, 16. The eccentric rods 15, 16 engage with an eccentric lever 14 of the eccentric adjusting device 13. The eccentric adjusting device 13 has an eccentric cam 36 with a bore for receiving a piston pin 37. A lubricating oil film is built up between the small diameter end bearing eye 12 and the eccentric cam 36 and also between the eccentric cam 36 and the piston pin through the small diameter end bearing eye 12 and lubricating oil bores 38, 39, 40 and 41 formed in the eccentric cam 36.
Inventors:
MICHAEL PAUL
Application Number:
JP2015027474A
Publication Date:
August 24, 2015
Filing Date:
February 16, 2015
Export Citation:
Assignee:
PORSCHE AG
International Classes:
F01M1/06; F02B75/04; F02B75/32; F16C7/02
Domestic Patent References:
| JP2011196549A | 2011-10-06 | |||
| JPS5893906A | 1983-06-03 | |||
| JPS5940538U | 1984-03-15 | |||
| JPS61187937U | 1986-11-22 | |||
| JPS63104628U | 1988-07-06 | |||
| JPS63193746U | 1988-12-13 |
Foreign References:
| US20120118270A1 | 2012-05-17 | |||
| WO2013160535A1 | 2013-10-31 | |||
| US20150260094A1 | 2015-09-17 |
Attorney, Agent or Firm:
Nobuyuki Okajima