Fluid filled type vibration damping device

摘要

A fluid filled type vibration damping device having an orifice passage formed in a partition member to connect a pressure receiving chamber and an equilibrium chamber, wherein a first end section of the orifice passage extends in along a plane of the partition member, and a communication hole is formed to bend at a right angle from the first end of the orifice passage and open towards the pressure receiving chamber to form a dead water region by orthogonal wall faces of a terminal end face and a bottom face of the orifice passage in a connecting corner section of the orifice passage with the communication hole. A shunt hole of smaller cross-sectional area than the orifice passage and the communication hole is formed in a bottom wall so that the pressure receiving chamber and the equilibrium chamber communicate through the shunt hole in the dead water region.