{
  "$type": "site.standard.document",
  "description": "The passenger cabin ventilator DC drive motor (1) control system (2) includes two two-way switches working together (3), to reverse the polarity of the motor. A control circuit (7) as connected in series with the motor. It incorporates a PTC (Positive Temperature Coefficient) element (4) with a…",
  "path": "/patents/1078913",
  "publishedAt": "2005-03-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/00835",
    "BEHR FRANCE SARL [FR]"
  ],
  "textContent": "The passenger cabin ventilator DC drive motor (1) control system (2) includes two two-way switches working together (3), to reverse the polarity of the motor. A control circuit (7) as connected in series with the motor. It incorporates a PTC (Positive Temperature Coefficient) element (4) with a diode (5) and a fixed resistor (6) in parallel, all in series with the motor.",
  "title": "Motor control system for driving an air damper"
}