{
  "$type": "site.standard.document",
  "description": "In a cylinder head (2), a cooling water passage (12) with a circular shape (an elliptical shape) in cross section in radial direction is formed at an area (11) (lower layer deck) closer to a combustion chamber (4) than a water jacket (9) in which a cooling water flows. The cooling water passage…",
  "path": "/patents/1101844",
  "publishedAt": "2002-09-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02F1/242",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "In a cylinder head (2), a cooling water passage (12) with a circular shape (an elliptical shape) in cross section in radial direction is formed at an area (11) (lower layer deck) closer to a combustion chamber (4) than a water jacket (9) in which a cooling water flows. The cooling water passage (12) of the cylinder head (2) is formed by casting by providing a hollow core (14) in a mold (16) and removing the hollow core (14).",
  "title": "Cooling structure of cylinder head and method for manufacturing cylinder head"
}