{
  "$type": "site.standard.document",
  "description": "A control device for an engine includes a valve-stopping mechanism which holds intake and exhaust valves of the first and the fourth cylinders (idle cylinders) of four cylinders in closed states, a throttle valve control unit , an ignition period control unit , and an ECU which controls the…",
  "path": "/patents/1252075",
  "publishedAt": "2020-01-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D13/06",
    "Mazda Motor Corporation"
  ],
  "textContent": "A control device for an engine includes a valve-stopping mechanism which holds intake and exhaust valves of the first and the fourth cylinders (idle cylinders) of four cylinders in closed states, a throttle valve control unit , an ignition period control unit , and an ECU which controls the valve-stopping mechanism , the throttle valve control unit , and the ignition period control unit . The ECU sets a retard amount of the ignition period of the idle cylinder behind the basic ignition period at least in starting the all-cylinder operation in accordance with an amount of burned gas existing in the idle cylinder in switching to the all-cylinder operation from the reduced-cylinder operation.",
  "title": "CONTROL DEVICE FOR ENGINE"
}