{
  "$type": "site.standard.document",
  "description": "Method involves generating a value for the weight of air flow across a butterfly valve (8) as a function of the amount pumped and with a transfer function (22) inverse to the transfer function of the inlet manifold (23) downstream of the valve. The position of the butterfly valve is controlled as a…",
  "path": "/patents/1102168",
  "publishedAt": "2002-08-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D11/105",
    "SAGEM [FR]"
  ],
  "textContent": "Method involves generating a value for the weight of air flow across a butterfly valve (8) as a function of the amount pumped and with a transfer function (22) inverse to the transfer function of the inlet manifold (23) downstream of the valve. The position of the butterfly valve is controlled as a function of the value of the flow across the valve and external functional parameters.",
  "title": "Method and apparatus for controlling the flow rate of a gas passing a throttle element"
}