Title:
VARIABLE COMPRESSION RATIO DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2015124638
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To facilitate rotation of an eccentric sleeve by adopting an actuator with the usage of hydraulic pressure.SOLUTION: An eccentric sleeve 11 is rotated by an actuator 12 supplying and delivering hydraulic pressure to a hydraulic chamber 13 through a vane 17, and positions of a supporting hole of a large end 6 and a crank pin 5 are made eccentric from each other. Opening and closing means 37 is operated by a protrusion member 38 provided on the eccentric sleeve 11 so that opening and closing states of a first delivery passage 21 and a second delivery passage 22 are inverse.
Inventors:
AZUMA HIROFUMI
MATSUDA SEIJI
MIKITA AKIRA
MATSUDA SEIJI
MIKITA AKIRA
Application Number:
JP2013268020A
Publication Date:
July 06, 2015
Filing Date:
December 25, 2013
Export Citation:
Assignee:
MITSUBISHI MOTORS CORP
MITSUBISHI AUTO ENG
MITSUBISHI AUTO ENG
International Classes:
F02B75/04; F02D15/02; F16C3/28; F16C7/06; F16C9/04
Domestic Patent References:
| JPS62121837A | 1987-06-03 | |||
| JP2011196549A | 2011-10-06 | |||
| JPH06241058A | 1994-08-30 | |||
| JPS5129555Y1 | 1976-07-26 |
Foreign References:
| US20130247879A1 | 2013-09-26 | |||
| GB2251456A | 1992-07-08 | |||
| US2427668A | 1947-09-23 | |||
| US20080184966A1 | 2008-08-07 |
Attorney, Agent or Firm:
Hiroyuki Kurihara
Mountain Saki Yuichiro
Mountain Saki Yuichiro