{
  "$type": "site.standard.document",
  "description": "A Stirling engine (1) comprises four working pistons (3) all at right angles and a planetary drive (4) to convert to a drive shaft (5) rotation via an external toothed crank (11). Two equalizing masses (14,14') equalize mass forces and moments so that the work pistons and gear have a common center…",
  "path": "/patents/1084132",
  "publishedAt": "2004-09-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01B9/02",
    "STANZEL KARL WOLFGANG [AT]"
  ],
  "textContent": "A Stirling engine (1) comprises four working pistons (3) all at right angles and a planetary drive (4) to convert to a drive shaft (5) rotation via an external toothed crank (11). Two equalizing masses (14,14') equalize mass forces and moments so that the work pistons and gear have a common center of gravity in the shaft axis. An independent claim is also included for a biomass combustion unit comprising a Stirling engine as above.",
  "title": "Stirling engine and biomass combustion plant"
}