{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A method and apparatus for controlling a solenoid actuated inlet valve to a pump chamber of a piston pump. A control circuit 112 energizes the solenoid 116 to open the inlet valve 104 in synchronism with the reciprocation of the piston 108 and thereafter de-energize the solenoid 116 to initiate…",
  "path": "/patents/973552",
  "publishedAt": "2014-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/3845",
    "HITACHI LTD [JP]"
  ],
  "textContent": "A method and apparatus for controlling a solenoid actuated inlet valve to a pump chamber of a piston pump. A control circuit 112 energizes the solenoid 116 to open the inlet valve 104 in synchronism with the reciprocation of the piston 108 and thereafter de-energize the solenoid 116 to initiate closure of the inlet valve 104. The inlet valve 104 is decelerated following de-energization of the solenoid 116 thus effectively reducing engine noise attributable to the inlet valve 104.",
  "title": "Method and apparatus for controlling a solenoid actuated inlet valve of a fuel pump"
}