Patent ID: 6843489
Filing Date: 2005-01-18
Classification: B60G

Abstract:
1. A damping system for an axle configured to pivot about a pivot point, comprising: a first hydraulic cylinder connected to the axle on one side of the pivot point and having a first chamber and a second chamber; a second hydraulic cylinder connected to the axle on the other side of the pivot point and having a third chamber and a fourth chamber: a first fluid line connecting the first chamber with the fourth chamber; a second fluid line connecting the second chamber with the third chamber; a restricted fluid passageway connecting the first fluid line and the second fluid line; a valve mechanism disposed between the first fluid line and the second fluid line and operable to release fluid from one of the first and second fluid lines when the pressure of the fluid in the one of the first and second fluid lines reaches a predetermined level; and a control mechanism operatively engaged with the valve mechanism to change the predetermined level depending upon operating conditions.