{
  "$type": "site.standard.document",
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  "description": "A fuel cell system (10) comprising: an anode gas circulation path (46) comprising an anode gas supplying path (23) and an anode gas ejection path (35); a fuel cell (11); a blowdown valve (52); and a control unit (45) controlling the blowdown valve, wherein the control unit comprises a freeze…",
  "path": "/patents/1015436",
  "publishedAt": "2011-02-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M8/04007",
    "HONDA MOTOR CO LTD [JP]"
  ],
  "textContent": "A fuel cell system (10) comprising: an anode gas circulation path (46) comprising an anode gas supplying path (23) and an anode gas ejection path (35); a fuel cell (11); a blowdown valve (52); and a control unit (45) controlling the blowdown valve, wherein the control unit comprises a freeze estimation unit estimating whether the anode gas circulation path is likely to freeze, a pressure reduction unit reducing a pressure of the anode gas circulation path, and a pressure condition confirmation unit confirming a pressure of the anode gas circulation path; and when the freeze estimation unit estimates a freezing when the fuel cell stops generating electricity, the blowdown valve is closed, a pressure of the anode gas circulation path is reduced by the pressure reduction unit, and, the blowdown valve is opened after the pressure condition confirmation unit confirms that a pressure of the anode gas circulation path reaches a predetermined pressure less than or equal to an atmospheric pressure, thereby moving a moisture inside the anode gas circulation path in a direction towards the fuel cell.",
  "title": "Fuel cell system"
}