Adaptive Shock Absorber Damping via Check Valves and Flute Tubes
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing shock absorbers for automobiles have fixed damping values, which are inconvenient to adjust and fail to synchronize with changing road conditions, leading to discomfort and instability during driving.
Innovation Solution
A shock absorber with an adaptive damping system, featuring a cylinder barrel, piston rod, damping valve, nitrogen container, and flute tube assembly, where damping through holes and check valves allow for dynamic adjustment of damping based on road conditions, using a compression and stretching damping mechanism to adaptively control damping values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the damping value is fixed in existing shock absorbers, then the structure is simple and reliable, but the adaptability to changing road conditions deteriorates
Solution Approach 1:
The shock absorber employs a dynamic damping adjustment mechanism where the damping force automatically changes in response to road conditions. The damping valve and flute tube assembly create a system where damping characteristics are no longer fixed but dynamically adapt to the vehicle's motion state and road surface variations, resolving the contradiction between structural simplicity and adaptability.
Solution Approach 2:
The invention changes the damping parameter from a fixed value to a variable that responds to road conditions. Through the damping valve and flute tube assembly, the damping force parameter is modified dynamically based on the relative position changes of the piston rod, enabling the shock absorber to adapt to different road conditions while maintaining a relatively simple overall structure.
2Adaptability or versatility
If the damping strength is adjusted manually by rotating a knob, then the adaptability to road conditions improves, but the ease of operation deteriorates
Solution Approach 1:
The shock absorber implements a self-adjusting damping mechanism where the system automatically adapts to road conditions without requiring manual intervention. The damping valve and flute tube assembly work together to create a self-regulating system that responds to the vehicle's motion and road surface conditions, eliminating the need for drivers to manually adjust damping while maintaining high adaptability.
Solution Approach 2:
The invention incorporates a feedback mechanism where the damping force is automatically adjusted based on the relative position changes of the piston rod, which reflect the road conditions. This closed-loop response allows the shock absorber to sense road conditions through piston movement and automatically adjust damping accordingly, removing the need for manual adjustment while preserving adaptability.
3Ease of operation
If electric control motors are used to adjust damping values, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The shock absorber uses a passive, self-adjusting damping mechanism that requires no external power source or control system. The damping valve and flute tube assembly automatically regulate damping based on the piston rod's motion, eliminating the need for electric motors or electronic control systems while maintaining the ability to adapt to road conditions.
Solution Approach 2:
The invention employs hydraulic or pneumatic principles through the damping valve and flute tube assembly to achieve automatic damping adjustment. The fluid dynamics within the damping valve and the interaction between the flute tube and piston rod create a passive control system that adjusts damping based on pressure and flow characteristics, avoiding the need for complex electronic control systems.
4Ease of operation
If greater damping is applied to reduce bumpiness, then the comfortability improves, but the stability on unpaved roads may deteriorate
Solution Approach 1:
The shock absorber uses dynamic damping adjustment to optimize the balance between comfort and stability. The damping force automatically varies with the piston rod's relative position and the vehicle's motion state, providing higher damping when needed for comfort on bumpy roads while maintaining appropriate damping levels for stability on unpaved surfaces, eliminating the need to choose between the two opposing requirements.
Solution Approach 2:
The invention dynamically changes the damping parameter based on the vehicle's motion state and road conditions. Through the damping valve and flute tube assembly, the damping force is adjusted in real-time, allowing the system to provide greater damping for comfort when encountering bumps while maintaining suitable damping characteristics for stability on different road surfaces, thus resolving the contradiction between comfort and stability.
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
The adaptive damping system ensures smoother and more comfortable driving by synchronizing damping adjustments with road conditions, enhancing vehicle stability and comfort by dynamically adjusting damping in response to changing road surfaces.
Implementation Method 1
a first check valve is arranged at one end of the outer tube and is inserted into the piston rod, and the other end of the outer tube is arranged on the core tube socket and is connected to the nitrogen container through a first oil tube pipeline; the core tube socket is communicated with the first oil tube pipeline through a second check valve
Implementation Method 2
At least a row of damping through holes is formed in each of two ends of the outer tube
Implementation Method 3
a damping valve is fixed to one end of the piston rod and is arranged in the cylinder barrel
Implementation Method 4
the other end of the outer tube is arranged on the core tube socket and is connected to the nitrogen container through a first oil tube pipeline; the bottom end of the inner tube is fixed to the core tube socket and is connected to the nitrogen container through a second oil tube pipeline
Data Source
AI summary
A shock absorber for an automobile with adaptive damping includes a cylinder barrel, a piston rod, a damping valve, a nitrogen container and a flute tube assembly. The flute tube assembly includes a core tube socket, an inner tube and an outer tube. A row of damping through holes is formed in each of two ends of the outer tube, a first check valve is arranged at one end of the outer tube and inserted into the piston rod, and the other end of the outer tube is arranged on the core tube socket and is connected to the nitrogen container through a first oil tube pipeline; the core tube socket is communicated with the first oil tube pipeline through a second check valve; the bottom end of the inner tube is fixed to the core tube socket and connected to the nitrogen container through a second oil tube pipeline.