{
  "$type": "site.standard.document",
  "description": "The present invention provides a fuel pump capable of suppressing sticking of a plunger. The fuel pump of the present invention includes a plunger that reciprocates, a cylinder in which a guide hole that guides the reciprocating motion of the plunger extends in the axial direction, and a pump body…",
  "path": "/patents/1346074",
  "publishedAt": "2023-06-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M59/04",
    "Hitachi Astemo, Ltd."
  ],
  "textContent": "The present invention provides a fuel pump capable of suppressing sticking of a plunger. The fuel pump of the present invention includes a plunger that reciprocates, a cylinder in which a guide hole that guides the reciprocating motion of the plunger extends in the axial direction, and a pump body that holds the cylinder . The pump body includes a cylinder insertion hole into which the cylinder is inserted, and a pressurizing chamber that communicates with the cylinder insertion hole and has a volume increased or decreased by the reciprocating motion of the plunger . The cylinder includes a press-fitting portion press-fitted into the inner peripheral surface of the cylinder insertion hole , and a groove formed at a position corresponding to the press-fitting portion on the inner peripheral surface of the guide hole",
  "title": "Fuel Pump"
}