Title:
内燃機関の可変圧縮比機構のアクチュエータおよび内燃機関の可変圧縮比装置
Document Type and Number:
Japanese Patent JP6748594
Kind Code:
B2
Abstract:
An actuator of a variable compression ratio mechanism for an internal combustion engine includes an arm link 13 configured to change a posture of the variable compression ratio mechanism for the internal combustion engine by swinging, a second control shaft 11 fixed to the arm link 13, and a housing 20 including a first bearing hole 301a supporting the second control shaft 11. The housing 20 includes a lubricant oil supply oil passage 202 opened to a pressure-receiving range over which a contact pressure is received at the first bearing hole 301a from the second control shaft 11 during an expansion stroke of the internal combustion engine.
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Inventors:
Nagai Kishiro
Yoshihiro Suda
Yoshihiro Suda
Application Number:
JP2017050716A
Publication Date:
September 02, 2020
Filing Date:
March 16, 2017
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F02B75/04; F02B75/32; F02D15/02; F16C7/06
Domestic Patent References:
| JP6346913A | ||||
| JP2002115571A | ||||
| JP2013011206A | ||||
| JP2016138467A | ||||
| JP2017025856A | ||||
| JP2017032070A |
Foreign References:
| WO2016024308A1 |
Attorney, Agent or Firm:
Patent Service Corporation Ayata Office