{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A tractor trailer system includes a tractor and a trailer. The tractor includes a hotel device and an Auxiliary Power Unit (APU) configured to provide electrical power to the hotel device. The trailer is connected to the tractor, and includes a Transport Refrigeration Unit (TRU) having a TRU…",
  "path": "/patents/1284624",
  "publishedAt": "2021-03-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60P3/20",
    "Carrier Corporation"
  ],
  "textContent": "A tractor trailer system includes a tractor and a trailer. The tractor includes a hotel device and an Auxiliary Power Unit (APU) configured to provide electrical power to the hotel device. The trailer is connected to the tractor, and includes a Transport Refrigeration Unit (TRU) having a TRU controller, an electrical TRU component, and a TRU Power Unit. The TRU controller is configured to utilize the APU to provide electrical power to the electrical TRU component during low TRU load conditions, and utilize the TRU Power Unit during high TRU load conditions.",
  "title": "A TRAILER TRANSPORT REFRIGERATION UNIT ASSISTED BY A TRACTOR AUXILIARY POWER UNIT"
}