| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid filled bush having liquid column resonance with vibration in a plurality of input directions. SOLUTION: The liquid filled bush comprises: a case 4 having a side wall portion 5 and end wall portions 6, 7, into which an input shaft 2 is inserted in a displaceable manner and to which an output shaft 3 is connected; a thrust part 8 provided on the input shaft 2; a first rubber elastic body 9 arranged between the input shaft 2 and the side wall portion 5, namely, between the thrust part 8 and one end wall portion 6; a second rubber elastic body 11 arranged between the input shaft 2 and the side wall portion 5, namely, between the thrust part 8 and the other end wall portion 7; first and second liquid chambers 13, 14 provided in the first rubber elastic body 9; third and fourth liquid chambers provided in the second rubber elastic body 11; and orifice flow paths for communicating the first liquid chamber with the third liquid chamber, the second liquid chamber 14 with the third liquid chamber, the first liquid chamber 13 with the fourth liquid chamber, and the second liquid chamber 14 with the fourth liquid chamber. COPYRIGHT: (C)2007,JPO&INPIT |
