{
  "$type": "site.standard.document",
  "description": "A fuel injector and a control valve used in it are disclosed. The control valve comprises: a valve seat (1) defining a valve seating surface (3) and a fuel passage (2) extending through the valve seating surface (3), the fuel passage (2) being in communication with an injection valve of the fuel…",
  "path": "/patents/932296",
  "publishedAt": "2017-01-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M63/0036",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "A fuel injector and a control valve used in it are disclosed. The control valve comprises: a valve seat (1) defining a valve seating surface (3) and a fuel passage (2) extending through the valve seating surface (3), the fuel passage (2) being in communication with an injection valve of the fuel injector and forming a pressure releasing path which is provided for controlling the operation of the injection valve; and a valve element (4) moveable in a longitudinal direction and configured to cooperate with the valve seat (1) to open and close the fuel passage (2); wherein the fuel passage (2) comprises a first passage (2a) and a second passage (2b), both extending in the longitudinal direction, and an a turn-back passage (2d,2e,2f) continuously joined between the first (2a) and second (2b) passages. Erosion of the valve element (4) can be suppressed.",
  "title": "A CONTROL VALVE FOR FUEL INJECTOR AND A FUEL INJECTOR"
}