{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreidltedyuezzbk44qf3puvd4s64l6uorhjv2ybn2m6vewc4dfynhkq"
    },
    "mimeType": "image/png",
    "size": 93954
  },
  "description": "A compression ratio control device (180) includes a compression ratio controller (182) configured to control a compression ratio of a combustion chamber (128) so that the maximum combustion pressure approaches a combustion pressure upper limit value (cylinder-internal-pressure upper limit value)…",
  "path": "/patents/1428196",
  "publishedAt": "2025-01-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B63H3/00",
    "MITSUI E&S DU CO LTD [JP]"
  ],
  "textContent": "A compression ratio control device (180) includes a compression ratio controller (182) configured to control a compression ratio of a combustion chamber (128) so that the maximum combustion pressure approaches a combustion pressure upper limit value (cylinder-internal-pressure upper limit value) based on a detection signal of a detector at least when an engine load is equal to or less than a predetermined load (engine full load).",
  "title": "COMPRESSION RATIO CONTROL DEVICE AND ENGINE"
}