| 摘要 |
A MULTI-STEP ENGINE INTAKE AIR VOLUME CONTROL DEVICE INCLUDING A CASING HAVING AN AIR INPUT PORT AND AN AIR OUTPUT PORT, AN AIR FILTER ELEMENT TO FILTER AIR PASSING FROM THE AIR INPUT PORT TO THE AIR OUTPUT PORT, A PLURALITY OF GUIDE TUBES RESPECTIVELY CONNECTED TO THE AIR OUTPUT PORT OF THE CASING, A PLURALITY OF ELECTROMAGNETIC VALVES CONTROLLED TO OPEN/CLOSE THE GUIDE TUBES RESPECTIVELY, A MANIFOLD PIPE INSTALLED IN THE POSITIVE CRACKCASE VENTILATING SYSTEM OF THE MOTOR VEHICLE TO GUIDE AIR FROM THE GUIDE TUBES INTO THE ENGINE OF THE MOTOR VEHICLE, AND A CONTROL CIRCUIT CONNECTED TO THE SPEEDOMETER OF THE MOTOR VEHICLE AND CONTROLLED TO ALTERNATIVELY CLOSE/OPEN THE ELECTROMAGNETIC VALVES SUBJECT TO THE REVOLVING SPEED OF THE ENGINE. |
