{
  "$type": "site.standard.document",
  "description": "A fuel metering unit (FMU) comprising a metering valve (28) operable to control the supply of fuel to a delivery chamber (58) of a pressure raising valve (PRV) (52), the PRV (52) including a valve member (54) movable under the influence of the pressure within the delivery chamber (58) between a…",
  "path": "/patents/1014932",
  "publishedAt": "2011-03-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C7/232",
    "ROLLS ROYCE GOODRICH ENGINE CONTROL SYSTEMS LTD [GB]"
  ],
  "textContent": "A fuel metering unit (FMU) comprising a metering valve (28) operable to control the supply of fuel to a delivery chamber (58) of a pressure raising valve (PRV) (52), the PRV (52) including a valve member (54) movable under the influence of the pressure within the delivery chamber (58) between a closed position and an open position in which fuel is able to flow from the delivery chamber (58) to an outlet port (62), and a push-piston (72) movable under the influence of the pressure within a control chamber (74) to urge the valve member (54) towards its open position, wherein the control chamber (74) communicates with a valve control port (82, 83).",
  "title": "An aerospace fuel metering unit (FMU)"
}