Adjustable Damping Valve Device
AssigneeZF Friedrichshafen AG
InventorsThomas MANGER, Lukas RUHMANN, Stefan SCHMITT
Life of this patent
Estimating the term…
Abstract
An adjustable damping valve device for a vibration damper, includes a main stage valve which is controlled by a pre-stage valve with a pre-stage valve body, which pre-stage valve can be actuated by an electromagnetic actuator, wherein an emergency operation valve controls the main stage valve during emergency operation, wherein an emergency operation armature is preloaded on the pre-stage valve body of the pre-stage valve by an emergency operation spring so that the pre-stage valve forms the emergency operation valve.
Claims10
1-8. (canceled)
An adjustable damping valve device for a vibration damper comprising:
- a main stage valve;
- a pre-stage valve including a pre-stage valve body constructed to control said main stage valve;
- an electromagnetic actuator constructed to actuate said pre-stage valve;
- an emergency operation constructed to control said main stage valve during emergency operation;
- and
- an emergency operation armature preloaded by an emergency operation spring on said pre-stage valve body of said pre-stage valve so that said pre-stage valve forms said emergency operation valve.
Dependencies are inferred from the claim text.