{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "An excavator 1 comprising: a power supply 61 that converts AC power supply voltage from a commercial power supply 5 into DC power supply voltage; a battery 62 that charges or discharges power from the power supply 61; an inverter 63 that converts DC power supply voltage to AC power supply voltage…",
  "path": "/patents/1426039",
  "publishedAt": "2023-06-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L1/003",
    "YANMAR POWER TECHNOLOGY CO LTD [JP]"
  ],
  "textContent": "An excavator 1 comprising: a power supply 61 that converts AC power supply voltage from a commercial power supply 5 into DC power supply voltage; a battery 62 that charges or discharges power from the power supply 61; an inverter 63 that converts DC power supply voltage to AC power supply voltage; an electric motor 7 that has power supplied thereto, and is controlled, by the inverter 63; a first electrical circuit 6a that supplies power to the inverter 63 from the power supply 61; a second electrical circuit 6b that joins from the battery 62 to the first electrical circuit 6a; an inverter relay 64 arranged between the inverter 63 and a junction point 6c between the first electrical circuit 6a and the second electrical circuit 6b; a battery relay 65 arranged between the junction point 6c and the battery 62; and a power supply relay 66 arranged between the junction point 6c and the power supply 61.",
  "title": "ELECTRIC WORK MACHINE"
}