{
  "$type": "site.standard.document",
  "description": "An engine anomaly detection system that includes cylinder position determination circuitry to determine a crank angle associated with one or more cylinders of the engine; intake manifold pressure determination circuitry to determine an intake manifold pressure at least during an intake stroke phase…",
  "path": "/patents/1389521",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B77/087",
    "Southwest Research Institute"
  ],
  "textContent": "An engine anomaly detection system that includes cylinder position determination circuitry to determine a crank angle associated with one or more cylinders of the engine; intake manifold pressure determination circuitry to determine an intake manifold pressure at least during an intake stroke phase and a compression stroke phase of the one or more cylinders; and pre-ignition event detection circuitry to determine a pre-ignition event associated with the one or more cylinders based on the intake manifold pressure.",
  "title": "ENGINE ANOMALY DETECTION AND MITIGATION SYSTEMS"
}