Shock Absorber Assembly With Fluid-Channel Ride Height Adjustment
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Solution Overview
Problem
Conventional shock absorbers in vehicles have constant damping coefficients and spring stiffness, making it difficult to balance vehicle comfort and operating stability.
Innovation Solution
A shock absorber assembly with a piston rod and fluid channel that allows fluid flow to adjust the vehicle body height, improving stability without compromising comfort, and featuring stable oil passage connections to prevent wear and leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional shock absorbers with constant damping coefficients and spring stiffness are used, then the structure is simple and cost-effective, but it is difficult to balance vehicle comfort and operating stability
Solution Approach 1:
The shock absorber assembly enables dynamic adjustment of the piston rod position through fluid flow control, allowing the system to adapt to varying vehicle conditions. The adjustable suspension height mechanism transforms the static shock absorber into a dynamic system that can optimize both comfort and stability based on real-time requirements.
Solution Approach 2:
The system changes the physical parameter of piston rod position through controlled fluid flow in and out of the lower chamber. By adjusting the fluid volume in the lower chamber, the piston rod position changes, thereby adjusting the vehicle body height and achieving different balances between comfort and operating stability.
2Reliability
If a fluid channel is added to the piston rod for height adjustment, then vehicle stability is improved, but the piston rod structure becomes more complex
Solution Approach 1:
The fluid channel is integrated directly into the piston rod structure, merging the height adjustment function with the existing piston rod component. This combination approach allows fluid to flow in and out of the lower chamber through the piston rod itself, enabling stability adjustment without adding separate external mechanisms.
Solution Approach 2:
The piston rod serves multiple functions: it transmits mechanical force from the piston while simultaneously acting as a conduit for fluid flow. The fluid channel within the piston rod enables the same component to control both suspension damping and vehicle body height, achieving multi-functionality without increasing overall system complexity.
3Adaptability or versatility
If oil passages are connected to allow fluid flow for height adjustment, then vehicle height adjustability is achieved, but joint wear and liquid leakage risks increase
Solution Approach 1:
The shock absorber assembly incorporates a self-contained fluid circulation system where fluid flows through integrated channels within the piston rod and cylinder. The system uses its own internal structure to guide fluid flow, reducing the need for external connections and potential leakage points. The fluid channel design allows the system to self-regulate height adjustment while maintaining sealing integrity.
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 solution enables adjustable vehicle height for enhanced stability and comfort, reduces weight and cost, and prevents joint wear and leakage, achieving a balance between vehicle performance and reliability.
Implementation Method 1
a fluid channel being disposed in the piston rod and being in communication with the lower chamber, and a fluid in the lower chamber being in communication with an outside environment through the fluid channel
Data Source
AI summary
A shock absorber includes a cylinder, a piston located in the cylinder and defining an upper chamber and a lower chamber in the cylinder, and a piston rod connected to the piston and a vehicle body. A fluid channel is disposed in the piston rod and in communication with the lower chamber. A fluid in the lower chamber is in communication with an outside environment through the fluid channel.