{
  "$type": "site.standard.document",
  "description": "A containment assembly for a turbo fan engine, comprises a casing (30) arranged in use around a rotatable fan, to form a duct for the fan, the containment assembly comprising at least one liner element (32) disposed on an interior surface between the casing and blades (42) of a rotatable fan, the…",
  "path": "/patents/1014129",
  "publishedAt": "2011-04-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D21/045",
    "ROLLS ROYCE PLC [GB]"
  ],
  "textContent": "A containment assembly for a turbo fan engine, comprises a casing (30) arranged in use around a rotatable fan, to form a duct for the fan, the containment assembly comprising at least one liner element (32) disposed on an interior surface between the casing and blades (42) of a rotatable fan, the liner element comprising a body portion (34) mounted in a recess in the casing and a wall portion arranged to form part of an inner wall of the duct, the wall portion and the body portion being attached and defining a containment cavity (30a) therebetween for containment of a detached fan blade fragment in use, wherein the wall portion comprises a moveable portion (36) which is movable between a first configuration in which it lies substantially flush with the inner wall of the duct, and a second configuration in which it provides an opening through which a fan blade fragment can enter the containment cavity.",
  "title": "Containment casing for an aero engine"
}