Integrated Damping Valve Housing for Compact Hydraulic Flow Control
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Solution Overview
Problem
Existing damping valve devices for vibration dampers in motor vehicles are bulky, complex, and costly due to separate solenoid valves that occupy additional installation space and require multiple components.
Innovation Solution
A damping valve device with an integrated design that combines a drive region and a valve region within a single housing, utilizing a coil and armature to control hydraulic fluid flow through flow channels in the valve block, optimizing fluid flow and reducing component complexity and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate solenoid valves are used for damping control, then damping adjustment functionality is achieved, but device complexity and installation space increase
Solution Approach 1:
The patent combines the solenoid valve and damping valve into a single integrated unit. The solenoid actuator is positioned within the damping valve housing, and both components share common elements such as the valve body and fluid passages. This merging eliminates the need for separate solenoid valve and damping valve assemblies, reducing the total number of components while maintaining independent control functionality for both damping adjustment and fluid flow control.
2Adaptability or versatility
If separate solenoid valves are mounted on the outside of the vibration damper tube, then damping control is achieved, but weight and installation space are increased
Solution Approach 1:
The integrated design merges the solenoid valve and damping valve into a single housing structure. The solenoid actuator is positioned within the damping valve housing, and both components share common elements such as the valve body and fluid passages. This merging eliminates redundant structures and materials, thereby reducing the overall weight of the damping valve device while maintaining full damping control capability.
3Adaptability or versatility
If multiple separate components are used, then functional requirements are met, but production costs and assembly time increase
Solution Approach 1:
The patent integrates multiple functional components into a single damping valve device housing. The solenoid actuator, damping valve elements, and fluid passages are combined into one assembly that can be manufactured and installed as a single unit. This reduces the number of separate parts that need to be produced, stored, and assembled, thereby lowering production costs and assembly time while maintaining all necessary functional requirements for damping control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This integrated design reduces production costs, assembly time, and weight while maintaining effective damping performance by minimizing the number of components and simplifying assembly, thus enhancing vehicle space efficiency and safety.
Implementation Method 1
the drive region has a coil which is configured in such a way that it generates a magnetic circuit within the damping valve device and interacts with an armature, attached axially movably within the coil, in order to move the armature in the axial direction
Data Source
AI summary
A damping valve device for a hydraulic vibration damper for a vehicle comprises: a drive region and a valve region, and a damping valve housing with a tube part which encloses the drive region and the valve region, wherein the drive region has a coil which is configured in such a way that it generates a magnetic circuit within the damping valve device and interacts with an armature, attached axially movably within the coil, in order to move the armature in the axial direction, wherein the armature is arranged within a pole tube, and the pole tube forms a guide of the armature, attached axially movably within the coil, in order to move the armature in the axial direction, wherein the armature is arranged within a pole tube, and the pole tube forms a guide of the armature, wherein the valve region has a fluid inlet and a fluid outlet for admitting and discharging a hydraulic fluid into/out of the valve region, and a valve block with a plurality of flow passages for conducting the hydraulic fluid, wherein the valve region has a control slide which is attached such that it can be moved relative to the valve block in such a way that it can be moved between a closed position, in which the flow passages are closed by the control slide, and an open position, in which the flow passages are free, wherein a plurality of flow channels which extend at least partially in the radial and in the axial direction are configured between the pole tube and the valve block.