{
  "$type": "site.standard.document",
  "description": "An object of the present invention is to provide a technique of improving the life of a spark plug which generates spark discharge and AC plasma. A plasma ignition device 20 includes a power control section 510 which reduces AC power P after generation of AC plasma in an AC power supply period Sa…",
  "path": "/patents/983965",
  "publishedAt": "2013-10-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02P23/04",
    "NGK SPARK PLUG CO [JP]"
  ],
  "textContent": "An object of the present invention is to provide a technique of improving the life of a spark plug which generates spark discharge and AC plasma. A plasma ignition device 20 includes a power control section 510 which reduces AC power P after generation of AC plasma in an AC power supply period Sa during which the AC power P is continuously supplied to a spark plug 100 within a maintainable power range Rp within which the AC plasma can be maintained.",
  "title": "PLASMA IGNITION DEVICE AND PLASMA IGNITION METHOD"
}