{
  "$type": "site.standard.document",
  "description": "An exhaust control system for a cylinder fuel injection engine having cylinder injection injectors (15) directly injecting a fuel into combustion chambers (16) and a catalytic converter (19) provided in an exhaust passage (18) from said combustion chambers for purifying an exhaust gas, air/fuel…",
  "path": "/patents/1109497",
  "publishedAt": "2001-10-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0235",
    "HITACHI LTD [JP]"
  ],
  "textContent": "An exhaust control system for a cylinder fuel injection engine having cylinder injection injectors (15) directly injecting a fuel into combustion chambers (16) and a catalytic converter (19) provided in an exhaust passage (18) from said combustion chambers for purifying an exhaust gas, air/fuel ratio in the combustion chambers (16) is periodically made rich for quicken activation of catalytic converter (19).",
  "title": "Emission control device for cylinder fuel injection engine"
}