{
  "$type": "site.standard.document",
  "description": "A saddle riding type vehicle driven by a straddling rider includes an engine having a combustion chamber, an inlet pipe for introducing a fuel-air mixture into the combustion chamber, an air throttle valve attached to the inlet pipe for adjusting quantity of the fuel-air mixture supplied to the…",
  "path": "/patents/950074",
  "publishedAt": "2015-07-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0002",
    "YAMAHA MOTOR CO LTD [JP]"
  ],
  "textContent": "A saddle riding type vehicle driven by a straddling rider includes an engine having a combustion chamber, an inlet pipe for introducing a fuel-air mixture into the combustion chamber, an air throttle valve attached to the inlet pipe for adjusting quantity of the fuel-air mixture supplied to the combustion chamber, an inlet pipe pressure detector for detecting, as inlet pipe pressure, a manifold air pressure in the inlet pipe downstream of the air throttle valve, and a determiner for determining that combustion in the engine has become unstable based on variations in the inlet pipe pressure.",
  "title": "An apparatus for detecting unstable combustion in an internal combustion engine"
}