{
  "$type": "site.standard.document",
  "description": "A variable compression ratio system for an internal combustion engine, including a variable compression ratio mechanism (10) for continuously varying a compression ratio of the engine, the variable compression ratio mechanism including a control shaft (18) rotatably moveable to a rotational…",
  "path": "/patents/1087358",
  "publishedAt": "2004-05-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B75/048",
    "NISSAN MOTOR [JP]"
  ],
  "textContent": "A variable compression ratio system for an internal combustion engine, including a variable compression ratio mechanism (10) for continuously varying a compression ratio of the engine, the variable compression ratio mechanism including a control shaft (18) rotatably moveable to a rotational position corresponding to the compression ratio, a hydraulic actuator (31) driving the control shaft to the rotational position depending on engine operating conditions, a hydraulic pressure source (60) mechanically driven by the engine to produce a hydraulic pressure supplied to the hydraulic actuator (31), and a hydraulic control (40) for variably controlling the hydraulic pressure supplied to the hydraulic actuator (31) on the basis of the engine operating conditions.",
  "title": "Variable compression ratio system for internal combustion engine and method for controlling the system"
}