{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A vehicular brake apparatus (11) includes a fluid pressure sensor (38) for detecting a master cylinder pressure (Pmc) or a wheel cylinder pressure, a negative pressure estimator (26) for calculating an estimated value (”PmpE) of a negative pressure of a negative-pressure-type booster (20) based on…",
  "path": "/patents/997614",
  "publishedAt": "2012-10-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/52",
    "HONDA MOTOR CO LTD [JP]"
  ],
  "textContent": "A vehicular brake apparatus (11) includes a fluid pressure sensor (38) for detecting a master cylinder pressure (Pmc) or a wheel cylinder pressure, a negative pressure estimator (26) for calculating an estimated value (”PmpE) of a negative pressure of a negative-pressure-type booster (20) based on the master cylinder pressure (Pmc) or the wheel cylinder pressure which is detected by the fluid pressure sensor (38), and a malfunction detector (26) for detecting a malfunction of a negative pressure sensor (40) by comparing the estimated value (”PmpE) of the negative pressure estimated by the negative pressure estimator (26) and a detected value (”PmpS) of the negative pressure detected by the negative pressure sensor (40) with each other.",
  "title": "Vehicular brake apparatus"
}