Patent ID: 6220408
Filing Date: 2001-04-24
Classification: B60G,F16F

Abstract:
A spring-and-damper unit for installation between a body and a wheel guide part of a motor vehicle, comprising:a vibration damper having a first end and a second end including a cylinder having a longitudinal axis and first and second ends corresponding respectively to said first and second ends of said vibration damper and filled with a damping fluid, and a piston rod sealingly projecting through said first end of said cylinder with a piston that sealingly runs within said cylinder and divides said cylinder into a first working space near said piston rod and a second working space remote from said piston rod;said vibration damper further comprising a storage device having a longitudinal axis, said storage device being operatively arranged externally from said cylinder and hydraulically connected to said second working space of said cylinder for providing a compensation space for a volume of said piston rod moving into and out of said cylinder, said compensation space comprising a fluid space and gas space;a spring plate fixedly mounted on said vibration damper; anda mechanical spring having an end supportably engaged in said spring plate, said storage device being fixedly mounted on said spring plate and hydraulically connected to said second working space via a connecting channel through said spring plate.