{
  "$type": "site.standard.document",
  "description": "Disclosed is an intake system for a multi-cylinder engine, which comprises an impulse charging device adapted to have a valve function in association with an intake stroke in each of cylinders and at least in a term from the middle of an intake stroke to a compression stroke in the engine so as to…",
  "path": "/patents/1069790",
  "publishedAt": "2006-02-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B27/021",
    "MAZDA MOTOR [JP]"
  ],
  "textContent": "Disclosed is an intake system for a multi-cylinder engine, which comprises an impulse charging device adapted to have a valve function in association with an intake stroke in each of cylinders and at least in a term from the middle of an intake stroke to a compression stroke in the engine so as to generate a high pressure wave in each of the cylinders, engine-speed detection means for detecting an engine speed of the multi-cylinder engine, and valve timing control means operable to control an open timing of the impulse charging device and a valve-open timing of the valuable valve timing system, in accordance with a detection value of the engine-speed detection means, in such a manner as to advance the open timing of the impulse charging device and delay the open timing of each of the intake valves, as the multi-cylinder engine is operated in an higher engine-speed range.",
  "title": "Intake system for multi-cylinder engine"
}