comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids

Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs > comprising both a plastics spring and a damper, e.g. a friction damper > characterised by adjusting or regulating devices responsive to exterior conditions > comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids

Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs (F16F5/00, take precedence) > comprising both a plastics spring and a damper, e.g. a friction damper > characterised by adjusting or regulating devices responsive to exterior conditions > comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids