{
  "$type": "site.standard.document",
  "description": "The crankshaft (4) is connected to a slider (6) which is joined to the piston (8) by a strut (7). The piston is contained within a transparent cylinder (20) which is pressed against a cylinder head (11) by a pneumatic annular jack (17) from a lower motor frame (13). The cylinder head and base (12)…",
  "path": "/patents/1106954",
  "publishedAt": "2002-01-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01M15/00",
    "INST FRANCAIS DU PETROLE [FR]"
  ],
  "textContent": "The crankshaft (4) is connected to a slider (6) which is joined to the piston (8) by a strut (7). The piston is contained within a transparent cylinder (20) which is pressed against a cylinder head (11) by a pneumatic annular jack (17) from a lower motor frame (13). The cylinder head and base (12) slide on columns (14) and are controlled by a jack (15) fixed to the lower motor frame. A camera and mirror (10,9) take pictures through a transparent piston wall.",
  "title": "Optically improved engine for testing, particularly for measuring combustion parameters"
}