Title:
VARIABLE COMPRESSION RATIO MECHANSIM
Document Type and Number:
WIPO Patent Application WO/2019/239864
Kind Code:
A1
Abstract:
This variable compression ratio mechanism V is provided with a communication hole 172b which has: a first passage 172b1 open in an outer peripheral surface of a piston rod 112a; and a second passage 172b2 which does not face the first passage 172b1 in a radial direction of the piston rod 112a and is connected to an oil passage 176 at a position spaced apart from the first passage 172b1 in the stroke direction.
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Inventors:
MASUDA YUTAKA (JP)
TERAMOTO JUN (JP)
OHARA RYO (JP)
TERAMOTO JUN (JP)
OHARA RYO (JP)
Application Number:
PCT/JP2019/020817
Publication Date:
December 19, 2019
Filing Date:
May 27, 2019
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F02B75/04; F02B75/32; F02D15/02
Domestic Patent References:
| WO2015108182A1 | 2015-07-23 | |||
| WO2015108178A1 | 2015-07-23 | |||
| WO2016182004A1 | 2016-11-17 |
Foreign References:
| JP2017129089A | 2017-07-27 | |||
| US20150260094A1 | 2015-09-17 |
Attorney, Agent or Firm:
AOMI PATENT (JP)
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