{
  "$type": "site.standard.document",
  "description": "The air conditioning system for the interior of especially a streetcar has a first duct system with inlet flow openings in region of the ceiling and a second duct system with inlet flow openings in the region of the floor, connected via a regulating unit to a conditioning unit for the selective…",
  "path": "/patents/1085133",
  "publishedAt": "2004-08-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/00371",
    "SIEMENS AG [DE]"
  ],
  "textContent": "The air conditioning system for the interior of especially a streetcar has a first duct system with inlet flow openings in region of the ceiling and a second duct system with inlet flow openings in the region of the floor, connected via a regulating unit to a conditioning unit for the selective producing of a cooled or a heated airflow. The first and second duct system extend from the regulating unit via controllable flaps, the positions of which are controllable in dependence upon the outside temperature.",
  "title": "Air conditioning unit for the passenger compartment of a vehicle"
}