Hydraulic Vehicle Height Adjuster With Telescopic Pistons
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Solution Overview
Problem
Existing vehicle height adjustment apparatuses are bulky and heavy due to their reliance on pneumatic pressure, which increases interference with the suspension structure and requires additional space for electric components, limiting their ability to adjust height efficiently.
Innovation Solution
A hydraulic pressure-based apparatus with a telescopic structure, featuring a cylinder, piston, and height adjustment unit that allows for multiple height settings (low, middle, high) with reduced volume, minimizing interference with the suspension system by using a system of pistons and seals to manage pressure and prevent overpressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pneumatic pressure is used for vehicle height adjustment, then height adjustment capability is achieved, but volume and weight of components become excessive
Solution Approach 1:
The patent replaces pneumatic pressure with hydraulic pressure for vehicle height adjustment. The hydraulic system uses a cylinder (100) with a pressure chamber (101), pistons (300, 400), and working fluid to achieve height adjustment. This substitution reduces component volume and weight while maintaining the height adjustment function, directly resolving the technical contradiction between achieving height adaptability and minimizing apparatus volume.
2Adaptability or versatility
If electric apparatus is used for height adjustment, then height adjustment is possible, but additional space is required for separate electric components
Solution Approach 1:
The patent integrates the height adjustment function directly into the suspension arm structure. The cylinder (100) is coupled to the suspension arm (10), and the pistons (300, 400) are disposed within the suspension arm's internal space. This merging of functions eliminates the need for separate electric components and reduces overall device complexity while maintaining height adjustment capability.
Solution Approach 2:
The suspension arm (10) serves multiple functions: it acts as both a structural component of the suspension system and as a housing for the height adjustment mechanism. The cylinder (100) and pistons (300, 400) are integrated within the suspension arm, allowing the same structural element to provide both mechanical support and height adjustment functionality, thereby reducing the number of separate components.
3Reliability
If vehicle height is increased to prevent damage on rough roads, then vehicle body protection is improved, but air resistance increases at high speed
Solution Approach 1:
The patent enables dynamic adjustment of vehicle height through the hydraulic system. The height adjustment unit (500) can vary the height of the vehicle body by controlling the position of pistons (300, 400) using working fluid pressure. This allows the vehicle to adapt its height based on driving conditions: raising the body for protection on rough roads and lowering it to reduce air resistance during high-speed travel, thus resolving the contradiction between reliability and harmful external factors.
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 apparatus effectively adjusts vehicle height to various levels with reduced volume and weight, ensuring smooth operation without excessive pressure between components, thus reducing interference with the suspension structure and enhancing performance.
Implementation Method 1
an apparatus for adjusting a vehicle height that may adjust a vehicle height to various levels by using hydraulic pressure
Data Source
AI summary
An apparatus for adjusting a vehicle height, the apparatus including a cylinder coupled to a suspension arm and having a pressure chamber therein, a hollow cylinder cap coupled to the cylinder, a first piston disposed to be movable upward or downward in the pressure chamber and having a lifting hole portion penetratively formed, a second piston disposed to be movable upward or downward in the lifting hole portion and having an upper portion to which a leaf spring seating part on which a leaf spring is seated is coupled, and a height adjustment unit connected to the cylinder and configured to selectively adjust a height of at least any one of the first piston and the second piston by changing a pressure of a working fluid in the pressure chamber.