{
  "$type": "site.standard.document",
  "description": "A method and apparatus (100) for controlling timing of an internal combustion engine (102) having a piston (104) located in a cylinder (106). The method and apparatus (100) includes determining a first angular position of a crankshaft (108) at a first location along a longitudinal axis (116) of the…",
  "path": "/patents/1086660",
  "publishedAt": "2004-06-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/009",
    "CATERPILLAR INC [US]"
  ],
  "textContent": "A method and apparatus (100) for controlling timing of an internal combustion engine (102) having a piston (104) located in a cylinder (106). The method and apparatus (100) includes determining a first angular position of a crankshaft (108) at a first location along a longitudinal axis (116) of the crankshaft (108), determining a second angular position of the crankshaft (108) at a second location along the longitudinal axis (116), determining a level of deformation of the crankshaft (108) as a function of a difference between the first and second angular positions, determining an actual position of the piston (104) as a function of the crankshaft deformation, comparing the actual piston position to a desired piston position, and controlling timing of an event to initiate combustion in the cylinder (106) as a function of a difference between the actual and desired piston positions.",
  "title": "Dynamic engine timing control"
}