{
"$type": "site.standard.document",
"description": "A valve-driving system, which is applied to an internal combustion engine having a plurality of cylinders, for driving an intake or exhaust valve (4,5) provided in each cylinder, comprising: a plurality of valve-driving apparatuses (11A,11B), each of which is provided for at least each one of theā¦",
"path": "/patents/1086594",
"publishedAt": "2004-06-09T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"F01L1/32",
"TOYOTA MOTOR CO LTD [JP]"
],
"textContent": "A valve-driving system, which is applied to an internal combustion engine having a plurality of cylinders, for driving an intake or exhaust valve (4,5) provided in each cylinder, comprising: a plurality of valve-driving apparatuses (11A,11B), each of which is provided for at least each one of the intake valve (4) and the exhaust valve (5), each valve-driving apparatus having an electrical motor (12) as a driving source for generating rotation motion and a power transmission mechanism (13) provided with a transmitting section for transmitting the rotation motion generated by the electrical motor and a converting section for converting the rotation motion transmitted from the transmitting section into opening and closing motion of the valve to be driven; and a motor control (40) device which controls operations of electric motors of the respective valve-driving apparatuses in accordance with the operation state of the internal combustion engine.",
"title": "Electric valve-driving system and -apparatus of internal combustion engine"
}