{
  "$type": "site.standard.document",
  "description": "Provided are a fuel injection valve; a fuel supply passage that supplies fuel to the fuel injection valve; a fuel return passage that returns excess fuel of the fuel injection valve; a leaked fuel return passage one end of which is coupled to a connection part between the fuel injection valve and…",
  "path": "/patents/1388435",
  "publishedAt": "2026-04-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M37/00",
    "MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD [JP]"
  ],
  "textContent": "Provided are a fuel injection valve; a fuel supply passage that supplies fuel to the fuel injection valve; a fuel return passage that returns excess fuel of the fuel injection valve; a leaked fuel return passage one end of which is coupled to a connection part between the fuel injection valve and the fuel supply passage, and the other end of which is coupled to the fuel return passage; an inspection hole provided on the leaked fuel return passage, and that is openable and closable by a plug member; and a check valve provided on the leaked fuel return passage, and that prevents fuel from flowing to the connection part side.",
  "title": "FUEL SYSTEM"
}