{
  "$type": "site.standard.document",
  "description": "Provided is a natural gas engine that is equipped with an exhaust gas introduction mechanism that introduces exhaust gas (G) into a cylinder during an intake stroke, and in which the amount of diesel fuel (f) injected into a cylinder is set to a diesel fuel amount for idling condition across the…",
  "path": "/patents/948519",
  "publishedAt": "2015-10-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N13/009",
    "ISUZU MOTORS LTD [JP]"
  ],
  "textContent": "Provided is a natural gas engine that is equipped with an exhaust gas introduction mechanism that introduces exhaust gas (G) into a cylinder during an intake stroke, and in which the amount of diesel fuel (f) injected into a cylinder is set to a diesel fuel amount for idling condition across the entire operating region of an engine, engine output is increased or decreased by increasing or decreasing the amount of a natural gas fuel (C), and fuel injection of the diesel fuel (f) into a cylinder is performed using multi-injection in a high load region in which the accelerator opening degree (±) is greater than a preset first opening degree (±1). As a result, natural gas fuel is ignited in a reliable and stable manner across the entire operating region and highly efficient combustion is performed using a small amount of fuel and a small amount of intake air in an engine that uses diesel fuel as an ignition source and natural gas fuel as a main fuel. In addition, knocking resulting from detonation is minimized even when the engine operation condition is in a high load region.",
  "title": "NATURAL GAS ENGINE AND OPERATION METHOD FOR NATURAL GAS ENGINE"
}