{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreicrgtmluzsdbkm3v2ejo6lwrb4hvaj7bv2uyenktiedwmous6q2ky"
    },
    "mimeType": "image/png",
    "size": 104006
  },
  "description": "A method (98) of distinguishing piston slap from engine knock in a reciprocating device includes obtaining (100) a fundamental frequency of a cylinder (26), the cylinder having a thrust face and an anti-thrust face, receiving (102) a first signal from a first knock sensor (32) mounted on the…",
  "path": "/patents/937824",
  "publishedAt": "2016-09-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B77/085",
    "GEN ELECTRIC [US]"
  ],
  "textContent": "A method (98) of distinguishing piston slap from engine knock in a reciprocating device includes obtaining (100) a fundamental frequency of a cylinder (26), the cylinder having a thrust face and an anti-thrust face, receiving (102) a first signal from a first knock sensor (32) mounted on the cylinder, and identifying (104) piston slap by evaluating whether a first plurality of amplitudes of the first signal at the fundamental frequency and one or more harmonic frequencies of the fundamental frequency exceed a piston slap threshold value.",
  "title": "SYSTEMS AND METHODS TO DISTINGUISH ENGINE KNOCK FROM PISTON SLAP"
}