{
  "$type": "site.standard.document",
  "description": "An engine system includes an intake pipe, an exhaust pipe, an exhaust gas recirculation (EGR) pipe, an injection amount deriver, and a fuel injector. The intake pipe is configured to direct intake air into a combustion chamber of an engine. The exhaust pipe is configured to receive exhaust gas…",
  "path": "/patents/1280681",
  "publishedAt": "2021-01-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0072",
    "SUBARU CORPORATION"
  ],
  "textContent": "An engine system includes an intake pipe, an exhaust pipe, an exhaust gas recirculation (EGR) pipe, an injection amount deriver, and a fuel injector. The intake pipe is configured to direct intake air into a combustion chamber of an engine. The exhaust pipe is configured to receive exhaust gas discharged from the combustion chamber. The EGR pipe is coupled to the exhaust pipe and the intake pipe and configured to recirculate the exhaust gas into the intake pipe as EGR gas. The injection amount deriver is configured to derive a target injection amount of fuel using a mass of air contained in the EGR gas or a mass of fuel contained in the EGR gas and using a preset target air excess coefficient. The fuel injector is configured to inject an amount of fuel corresponding to the target injection amount derived by the injection amount deriver into the combustion chamber.",
  "title": "ENGINE SYSTEM"
}