{
  "$type": "site.standard.document",
  "description": "PTC heater, especially for a motor vehicle heating or air-conditioning system, comprises one or more PTC elements that convert electrical power into heat. A control unit evaluates measurement values from a device monitoring electricity consumption and accordingly controls the power supplied to the…",
  "path": "/patents/1078387",
  "publishedAt": "2005-04-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/2218",
    "BEHR GMBH & CO KG [DE]"
  ],
  "textContent": "PTC heater, especially for a motor vehicle heating or air-conditioning system, comprises one or more PTC elements that convert electrical power into heat. A control unit evaluates measurement values from a device monitoring electricity consumption and accordingly controls the power supplied to the PTC heater. Independent claims are also included for: (1) Process for operating the above PTC heater; and (2) Heating or air-conditioning system, especially for a motor vehicle, comprising a heat exchanger and the above PTC heater.",
  "title": "PTC supplementary heater for a motor vehicle"
}