{
  "$type": "site.standard.document",
  "description": "A drive circuit (100) of an electromagnetic system fuel injection apparatus comprises a valve seat (4), a valve body (3, 16) for performing an opening and a closing of a fuel passage between said valve seat, at least two coils (11, 12), and a drive means (1) for driving said valve body, and by…",
  "path": "/patents/1086746",
  "publishedAt": "2004-06-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/20",
    "HITACHI LTD [JP]"
  ],
  "textContent": "A drive circuit (100) of an electromagnetic system fuel injection apparatus comprises a valve seat (4), a valve body (3, 16) for performing an opening and a closing of a fuel passage between said valve seat, at least two coils (11, 12), and a drive means (1) for driving said valve body, and by opening and closing said fuel passage a fuel is injected, wherein the drive circuit comprises a reverse flow prevention diode (130a) for preventing a coil current from a reverse flowing relative to an application voltage according to a mutual inductance.",
  "title": "Drive circuit for an electromagnetic fuel injection system"
}