Patent ID: 8960697
Filing Date: 2015-02-24
Classification: B60G

Abstract:
1. A suspension device for a vehicle comprising: a first hydraulic cylinder configured to be interposed between one of left and right wheels and a vehicle body and having an upper chamber and a lower chamber; a second hydraulic cylinder configured to be interposed between the other one of the left and right wheels and the vehicle body and having an upper chamber and a lower chamber; a first fluid path through which a first upper port that opens into the upper chamber of the first hydraulic cylinder and a second lower port that opens into the lower chamber of the second hydraulic cylinder are connected together in communication with each other; a second fluid path through which a second upper port that opens into the upper chamber of the second hydraulic cylinder and a first lower port that opens into the lower chamber of the first hydraulic cylinder are connected together in communication with each other; a first hydraulic damping mechanism provided in the first fluid path; a second hydraulic damping mechanism provided in the second fluid path; a first accumulator connected to the first fluid path via a first branch fluid path having a first auxiliary hydraulic damping mechanism; a second accumulator connected to the second fluid path via a second branch fluid path having a second auxiliary hydraulic damping mechanism; and a bridge fluid path connected to a portion of the first branch fluid path between the first accumulator and the first auxiliary hydraulic damping mechanism at one end and connected to a portion of the second branch fluid path between the second accumulator and the second auxiliary hydraulic damping mechanism at the other end.