{
  "$type": "site.standard.document",
  "description": "An engine includes a piston slidably disposed in a cylinder with a closed end and a converter operable with the piston to convert mechanical energy of the first piston from and to electrical energy within a piston cycle.",
  "path": "/patents/1014831",
  "publishedAt": "2011-03-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01B11/00",
    "SEARETE LLC [US]"
  ],
  "textContent": "An engine includes a piston slidably disposed in a cylinder with a closed end and a converter operable with the piston to convert mechanical energy of the first piston from and to electrical energy within a piston cycle.",
  "title": "Electromagnetic engine"
}