{
  "$type": "site.standard.document",
  "description": "The pneumatic spring (2) has two distance-variable end elements (4,8), a cover plate (4) and an unrolling piston (8) and an ultrasonic measurement arrangement consisting of a transmitter/receiver (14) and a reflector (28) for contactless determination of the spring height (10) in accordance with…",
  "path": "/patents/1078225",
  "publishedAt": "2005-04-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60G17/01933",
    "CONTITECH LUFTFEDERSYST GMBH [DE]"
  ],
  "textContent": "The pneumatic spring (2) has two distance-variable end elements (4,8), a cover plate (4) and an unrolling piston (8) and an ultrasonic measurement arrangement consisting of a transmitter/receiver (14) and a reflector (28) for contactless determination of the spring height (10) in accordance with the pulse/echo method.",
  "title": "Air spring with ultrasound measuring arrangement"
}