{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The invention relates to a high pressure fuel supply pump having an intake valve (5) automatically opened and closed by pressure of a pressuring chamber (12) being provided in a fuel intake passage (10), the intake valve (5) is pushed to open by a plunger (2) of an electromagnetic plunger…",
  "path": "/patents/1082481",
  "publishedAt": "2004-11-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M59/367",
    "HITACHI LTD [JP]"
  ],
  "textContent": "The invention relates to a high pressure fuel supply pump having an intake valve (5) automatically opened and closed by pressure of a pressuring chamber (12) being provided in a fuel intake passage (10), the intake valve (5) is pushed to open by a plunger (2) of an electromagnetic plunger mechanism, pulling-in operating timing of the plunger (2) is controlled according to the operating condition of an internal combustion engine, and opening time of the intake valve (5) during compression stroke of a pump is controlled to make discharge flow-rate of high pressure fuel variable.",
  "title": "High pressure fuel supply pump for internal combustion engine"
}