Title:
可変圧縮比機構
Document Type and Number:
Japanese Patent JP6579137
Kind Code:
B2
Abstract:
A variable compression ratio mechanism includes a variable length connecting rod. The variable length connecting rod includes a connecting rod body, an eccentric member, and an eccentric member drive mechanism. The eccentric member includes a piston pin receiving opening, is rotatably attached to the body, and changes in effective length when it is rotated. The eccentric member drive mechanism includes a projecting pin protruding from the body and rotating the eccentric member when a position of the projecting pin relative to the body changes. A guide member of the variable compression ratio mechanism guides the projecting pin during operation.
Inventors:
Shuichi Ezaki
Application Number:
JP2017051722A
Publication Date:
September 25, 2019
Filing Date:
March 16, 2017
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02B75/04; F02D15/02; F16C7/06
Domestic Patent References:
| JP2016188642A | ||||
| JP3242433A | ||||
| JP59040537U |
Foreign References:
| WO2016037696A1 | ||||
| US20150260094 | ||||
| US20160305471 | ||||
| DE102015208458A1 | ||||
| DE102015208459A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Koichi Ito
Yuichi Morimoto
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Koichi Ito
Yuichi Morimoto