{
  "$type": "site.standard.document",
  "description": "There is provided a piston for an internal combustion engine, the piston including: a heat-shielding film (32) provided to an upper surface of a land part of the piston, the heat-shielding film having a lower thermal conductivity than a piston base material and having a lower heat capacity per unit…",
  "path": "/patents/937520",
  "publishedAt": "2016-09-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02F3/10",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "There is provided a piston for an internal combustion engine, the piston including: a heat-shielding film (32) provided to an upper surface of a land part of the piston, the heat-shielding film having a lower thermal conductivity than a piston base material and having a lower heat capacity per unit volume than the piston base material; and a first heat-retaining film (34) provided to a side surface of the land part, the first heat-retaining film having a lower thermal conductivity than the piston base material and having a higher heat capacity per unit volume than the heat-shielding film.",
  "title": "PISTON FOR INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE INCLUDING THIS PISTON, AND MANUFACTURING METHOD OF THIS PISTON"
}