{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreibekfwqieolvx5b5hpguq52ifjzwwfdqmpoquonc6dengdoc72bxu"
    },
    "mimeType": "image/png",
    "size": 92349
  },
  "description": "A variable compression device of the disclosure includes a piston rod (6), a first fluid chamber (R3) which is configured to move the piston rod in a direction in which a compression ratio is increased by supplying a pressurized working fluid thereto, a regulation member (7c) which is configured to…",
  "path": "/patents/1428121",
  "publishedAt": "2023-03-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01B31/14",
    "IHI CORP [JP]"
  ],
  "textContent": "A variable compression device of the disclosure includes a piston rod (6), a first fluid chamber (R3) which is configured to move the piston rod in a direction in which a compression ratio is increased by supplying a pressurized working fluid thereto, a regulation member (7c) which is configured to regulate movement of the piston rod in a direction in which a compression ratio is increased, a second fluid chamber (R6) which is provided between the piston rod and the regulation member and is configured to store the working fluid, a supply flow path (R7) which is configured to guide the working fluid supplied to the second fluid chamber, a discharge flow path (R8) which is configured to guide the working fluid discharged from the second fluid chamber, and a flow rate regulation unit (15b) which is provided in the discharge flow path and is configured to regulate a flow of the working fluid when the piston rod approaches the regulation member.",
  "title": "VARIABLE COMPRESSION DEVICE AND ENGINE SYSTEM"
}