{
  "$type": "site.standard.document",
  "description": "A reciprocating engine (1) comprises: a piston ring (5); a piston ring (7) which defines an annular gas chamber (6) in cooperation with the piston ring (5) and which is adjacent to the piston ring (5) such that a pressure-receiving area of a side surface (8) of a piston (3) in the annular gas…",
  "path": "/patents/987382",
  "publishedAt": "2013-08-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B75/06",
    "BANDO KIKO CO [JP]"
  ],
  "textContent": "A reciprocating engine (1) comprises: a piston ring (5); a piston ring (7) which defines an annular gas chamber (6) in cooperation with the piston ring (5) and which is adjacent to the piston ring (5) such that a pressure-receiving area of a side surface (8) of a piston (3) in the annular gas chamber (6) becomes greater on a thrust side (10) than on a counter-thrust side (9) of the piston (3); and gas passages (15) for allowing the annular gas chamber (6) to communicate with the combustion chamber (2).",
  "title": "Reciprocating engine"
}