{
  "$type": "site.standard.document",
  "description": "The tank (102) has a vent line (110) from a fresh air filter (112) to a hydrocarbon filter element (108) e.g. activated charcoal filter. A diagnostic valve (120) permanently arranged between the fresh air filter and the hydrocarbon filter element comprises an operating port, where the diagnostic…",
  "path": "/patents/1011991",
  "publishedAt": "2011-06-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M25/0818",
    "FORD GLOBAL TECH LLC [US]"
  ],
  "textContent": "The tank (102) has a vent line (110) from a fresh air filter (112) to a hydrocarbon filter element (108) e.g. activated charcoal filter. A diagnostic valve (120) permanently arranged between the fresh air filter and the hydrocarbon filter element comprises an operating port, where the diagnostic valve forms a passage for operating gases during operation. The diagnostic valve includes a diagnostic port, where the valve is connected to an external pressure-generating device in a diagnostic position, and forms a diagnostic passage to the hydrocarbon filter element in the diagnostic position.",
  "title": "Fuel tank"
}