{
  "$type": "site.standard.document",
  "description": "A compression ignition internal combustion engine includes: a cylinder block and a cylinder head; a piston including a cavity that defines a combustion chamber in cooperation with the cylinder block and the cylinder head; and a nozzle for injecting fuel into the combustion chamber, wherein the…",
  "path": "/patents/944124",
  "publishedAt": "2016-04-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B23/0693",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A compression ignition internal combustion engine includes: a cylinder block and a cylinder head; a piston including a cavity that defines a combustion chamber in cooperation with the cylinder block and the cylinder head; and a nozzle for injecting fuel into the combustion chamber, wherein the cavity includes: a raised portion raised toward the nozzle; a bottom surface formed around the raised portion; and a first surface and a second surface that are continuous to the bottom surface, a depth of the first surface becomes shallower toward a radially outer side of the piston, the first surface and the second surface are provided at different positions in a circumferential direction about a central axis of the piston, a distance from the nozzle to the first surface is greater than a distance from the nozzle to the second surface, and the nozzle respectively injects first and second fuel sprays toward the first surface and the second surface, and injects a third fuel spray between the first and second fuel sprays.",
  "title": "COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE"
}