{
  "$type": "site.standard.document",
  "description": "An apparatus for controlling exhaust gas recirculation in a motor vehicle having an internal combustion engine with an intake duct to allow influx of air into the engine, an exhaust duct to allow escape of exhaust gas from the engine, an exhaust gas recirculation passage connecting the intake and…",
  "path": "/patents/1111802",
  "publishedAt": "2001-07-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0072",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "An apparatus for controlling exhaust gas recirculation in a motor vehicle having an internal combustion engine with an intake duct to allow influx of air into the engine, an exhaust duct to allow escape of exhaust gas from the engine, an exhaust gas recirculation passage connecting the intake and exhaust ducts for a passage of exhaust gas from the exhaust duct to the intake duct, and an EGR valve for regulating the passage of exhaust gas through the exhaust gas recirculation passage, wherein an oxygen sensor is provided at the intake duct at a point downstream from a junction of the intake duct and the recirculation passage, a pressure sensor is provided for detecting pressure inside the of the intake duct, an EGR controller is provided for activating the EGR valve based upon a signal from the oxygen sensor and a signal from the pressure sensor.",
  "title": "Apparatus for controlling exhaust valve recirculation"
}