{
  "$type": "site.standard.document",
  "description": "A gearbox (50) includes an outer housing (72) including manual rotation access passage (84) and a manual rotation shaft (74) coupled to a spool (34,38) of an engine (10) to rotate the engine spool. The gearbox also includes a sealing system (90, 120) coupled to the outer housing that includes a…",
  "path": "/patents/994684",
  "publishedAt": "2012-12-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D25/24",
    "HAMILTON SUNDSTRAND CORP [US]"
  ],
  "textContent": "A gearbox (50) includes an outer housing (72) including manual rotation access passage (84) and a manual rotation shaft (74) coupled to a spool (34,38) of an engine (10) to rotate the engine spool. The gearbox also includes a sealing system (90, 120) coupled to the outer housing that includes a flapper valve (92, 122) that, in a closed position, prevents a lubricant from escaping from the outer housing via the manual rotation access passage.",
  "title": "Gearbox comprising a fail-safe manual rotator cover"
}