Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2016211396
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an internal combustion engine which can suppress oil consumption while considering a mechanism of the generation of the oil consumption.SOLUTION: In an internal combustion engine 1 having a cylindrical cylinder liner 5 in a cylinder block 2, and a piston 6 which can slide in the cylinder liner, the piston has a ring groove 14 at its external periphery while adjoining a top land 15, a piston ring 18 is arranged in the ring groove, the cylinder liner has a diameter-expanded part 30 whose internal peripheral face is expanded in diameter at least at a part of the internal peripheral face which opposes the top land of the piston when the piston is at a top dead point, and a radius of the internal peripheral face of the diameter-expanded part is larger than a radius of an internal peripheral face of a cylinder liner which is not expanded in diameter by 100 μm to 1,000 μm at the outside of a radial direction of a cylinder.SELECTED DRAWING: Figure 4
Inventors:
SUZUKI TAKASHI
Application Number:
JP2015093506A
Publication Date:
December 15, 2016
Filing Date:
April 30, 2015
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F02F1/18; F02B75/04; F02D15/04; F16J10/00
Domestic Patent References:
| JPS5922955U | 1984-02-13 | |||
| JPS5921064U | 1984-02-08 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Yuichi Morimoto
Shinji Mitsuhashi
Koichi Ito
Tatsuki Sone
Jun Tsuruta
Yuichi Morimoto
Shinji Mitsuhashi
Koichi Ito
Tatsuki Sone