{
  "$type": "site.standard.document",
  "description": "A piston (100) for an internal combustion engine includes a piston body forming a crown portion (102) and a skirt portion (104), the skirt portion (104) including a bore that is arranged to receive a pin for connecting the piston (100) to a connecting rod, the crown portion (102) forming a bowl…",
  "path": "/patents/942674",
  "publishedAt": "2016-05-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B23/06",
    "CATERPILLAR INC [US]"
  ],
  "textContent": "A piston (100) for an internal combustion engine includes a piston body forming a crown portion (102) and a skirt portion (104), the skirt portion (104) including a bore that is arranged to receive a pin for connecting the piston (100) to a connecting rod, the crown portion (102) forming a bowl (110) surrounded by a flat crown surface (112) having an annular shape and disposed along a plane, the bowl (110) and the flat crown surface (112) meeting along a circular edge surrounding a rim (212) of the bowl (110), and an airfoil surface (200) formed in the flat crown surface (112), the airfoil surface (200) having a convex shape and extending annularly around the rim (212) of the bowl (110).",
  "title": "ENGINE PISTON"
}