Spring-Damper Valve Assembly for Adjustable Pressure-Dependent Damping
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Solution Overview
Problem
Existing spring-damper systems face challenges in simplifying the setting of driver- or route-specific parameters, which affects their dynamic behavior and response to impacts.
Innovation Solution
The integration of a valve assembly with two pressure-dependent quantity regulators, switched in opposite directions, allows for adjustable flow control based on pressure, enabling modification of the spring-damper system's behavior by altering the spring elements or replacing the valve assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If all valves are located in the piston and piston rod, then the valve assembly structure is simplified, but the setting of driver- or route-specific parameters becomes complex and difficult
Solution Approach 1:
The valve assembly is segmented into a modular housing structure that contains multiple independent pressure-dependent flow regulators. Each regulator can be independently adjusted or replaced, allowing parameter customization without redesigning the entire valve system. The housing separates different flow control functions into distinct components.
Solution Approach 2:
The system enables parameter changes by allowing adjustment of spring elements and flow regulator settings within the valve assembly housing. Different spring constants and flow regulator configurations can be implemented to achieve driver- or route-specific damping characteristics without changing the basic valve structure.
2Adaptability or versatility
If pressure-dependent flow regulators are used for flow control, then the damping characteristics become adjustable, but the device complexity increases
Solution Approach 1:
Multiple pressure-dependent flow regulators are merged into a single integrated valve assembly housing. The regulators work together in a coordinated manner, with their combined effect providing adjustable damping characteristics while sharing common structural support, sealing, and control mechanisms within the housing.
Solution Approach 2:
The valve assembly housing serves multiple functions: it contains the pressure-dependent flow regulators, provides structural support, enables parameter adjustment through spring element replacement, and facilitates maintenance by allowing regulator access. This multi-functionality reduces the need for separate components.
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 solution allows for customizable damping characteristics, enhancing the system's response to impacts and changing external forces, thereby improving the vehicle's dynamic behavior and ride comfort.
Implementation Method 1
a first pressure-dependent flow regulator (211) is assigned to the first media inlet (152), and a second pressure-dependent flow regulator (221) is assigned to the second media inlet (153)
Implementation Method 2
The spring-damper system comprises a spring energy accumulator and a hydraulic cylinder-piston unit connected in parallel
Implementation Method 3
a hydraulic cylinder-piston unit (50) connected in parallel. The unit has a cylinder (51) and a piston (52) that can be moved within the cylinder
Data Source
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AI summary
The invention relates to a valve assembly for use in a spring-damper system, comprising a housing with at least one first media inlet, at least one second media inlet, and at least one media outlet, as well as a spring-damper system with such a valve assembly. A first pressure-dependent flow regulator is assigned to the first media inlet, and a second pressure-dependent flow regulator is assigned to the second media inlet. The two pressure-dependent flow regulators are connected in opposite directions. Furthermore, both pressure-dependent flow regulators open into the same media outlet. The present invention simplifies the setting of driver- or route-specific parameters in a spring-damper system.