| 摘要 |
PURPOSE:To obtain low moving spring characteristic in relation to vibration of high frequency, and obtain high damping characteristic in relation to vibration of low frequency. CONSTITUTION:An insulator 5, a main chamber 6 and an auxiliary chamber 7 in which non-compression fluid is enclosed, an orifice 3 for providing communication between the main chamber 6 and the auxiliary chamber 7, a partition plate 31 for separating the main chamber 6 from the auxiliary chamber 7, an air chamber 8 in which air as the compressive fluid is led, and a diaphragm 4 for separating the air chamber 8 from the auxiliary chamber 7, are provided in series between a connecting metal fitting 91 connected to a vibrator and a holder 95 connected to a car body side member or the like. An oscillator 2 which consists of an exciting coil 21, a bobbin 25, a permanent magnet 23 and the like is provided in the main chamber 6. An actuator 1 is provided, while being consisting of a plunger 11 a solenoid 12, 13, and the like, so that the oscillator 2 may be fixed to be free from any oscillation as required. |
