Title:
PISTON FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2018/216503
Kind Code:
A1
Abstract:
Provided is a piston for an internal combustion engine, the piston being configured so that the amount of deformation of the piston head can be reduced. This piston for an internal combustion engine is provided with: a piston head; a pair of piston pin bosses; a pair of skirts; and four aprons for connecting the pair of piston pin bosses and the pair of skirts. Each of the four aprons is provided with: a bend; a boss side section located closer to the pair of piston pin bosses than the bend; and a skirt side section located closer to the side opposite the pair of piston pin bosses than the bend. The distance between the boss side section and an axis perpendicular to both the axis of the cylinder of the internal combustion engine and the axis of a piston pin hole increases with an increasing distance from the axis of the piston pin hole.
Inventors:
HIGASA YUTO (JP)
Application Number:
PCT/JP2018/018272
Publication Date:
November 29, 2018
Filing Date:
May 11, 2018
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F02F3/00; F16J1/00
Foreign References:
| JPH0392544U | 1991-09-20 | |||
| JP2015132248A | 2015-07-23 | |||
| JP2005337027A | 2005-12-08 | |||
| JP2013015079A | 2013-01-24 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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