| 摘要 |
A power unit mount through which a power unit is mounted on a vehicle body. The power unit mount is comprised of an elastic support member securely disposed between inner and outer cylindrical members which are respectively connected to the power unit and the vehicle body. The elastic support member is formed with a hollow a part of which serves as a main fluid chamber. A diaphragm member is secured to the inner peripheral surface of the outer cylindrical member to define an auxiliary fluid chamber which is communicated through an orifice passage to the main fluid chamber. The diaphragm member is disposed separate and independent from the elastic support member, thereby enabling damped vibration frequencies to be tuned within a low frequency region corresponding to engine shake and/or idling vibration, regardless of the rigidity of the elastic support member. |
