{
  "$type": "site.standard.document",
  "description": "For a dual fuel internal combustion engine (100) with a plurality of cylinders (9) and at least one gaseous fuel admission valve (58) for each cylinder (9) of the plurality of cylinders (9) fluidly delimiting a gaseous fuel manifold (54) with respect to the respective cylinder (9), a method of…",
  "path": "/patents/949045",
  "publishedAt": "2015-09-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D19/0621",
    "CATERPILLAR MOTOREN GMBH & CO [DE]"
  ],
  "textContent": "For a dual fuel internal combustion engine (100) with a plurality of cylinders (9) and at least one gaseous fuel admission valve (58) for each cylinder (9) of the plurality of cylinders (9) fluidly delimiting a gaseous fuel manifold (54) with respect to the respective cylinder (9), a method of evaluating air-tightness of the gaseous fuel manifold (54) comprises flushing (step 314) and/or pressurizing (step 316) the gaseous fuel manifold (54) with a purge gas at a pressure above an intake manifold air pressure thereby setting a differential gas pressure across gaseous fuel admission valves (58); measuring (step 320) a pressure associated with the flushing (step 314) and/or the pressurizing (step 316), thereby generating pressure data; and evaluating (step 322) the air-tightness of a gaseous fuel manifold (54) based on the measured pressure data.",
  "title": "Evaluating air-tightness of a gaseous fuel manifold during purge gas flushing"
}