Hydraulic Vehicle Height Actuator for Compact Universal Installation
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Solution Overview
Problem
Existing vehicle height adjustment apparatuses are bulky, complex, and require significant modifications for different vehicle types, limiting their universal application and ease of installation.
Innovation Solution
A simplified apparatus using a pump and actuator system that adjusts vehicle height through fluid supply and recovery, utilizing a motor-driven spindle and piston mechanism to raise or lower the vehicle body, with a hydraulic line for fluid transfer, allowing for a compact and versatile design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a traditional vehicle height adjustment apparatus is used, then the vehicle height can be adjusted, but the apparatus is bulky and complex
Solution Approach 1:
The apparatus is divided into independent modular components: a pump unit with motor and piston, an actuator with cylinder and piston rod, and hydraulic lines. This segmentation allows each component to be optimized independently and simplifies the overall structure while maintaining adjustment reliability.
Solution Approach 2:
The pump and actuator assembly is designed as a universal module that can be installed at multiple locations on the vehicle (front left, front right, rear left, rear right). The standardized interface and compact design enable the same apparatus to serve different vehicle types and suspension positions, reducing overall system complexity.
2Adaptability or versatility
If the apparatus structure is simplified for universal installation, then ease of installation improves, but the ability to effectively adjust vehicle height may be compromised
Solution Approach 1:
The motor is configured to rotate in both forward and reverse directions, enabling the piston to move bidirectionally within the cylinder. This dynamic operation allows the apparatus to both extend (increase vehicle height) and retract (decrease vehicle height) the actuator, providing full adjustment range while maintaining a compact universal design.
Solution Approach 2:
The apparatus uses a hydraulic system where the pump pressurizes hydraulic fluid to drive the actuator piston. This hydraulic mechanism provides high force multiplication in a compact package, enabling effective vehicle height adjustment while maintaining a simplified structure suitable for universal installation across different vehicle platforms.
3Weight of moving object
If weight and size are reduced for broader application, then ease of manufacture and installation improves, but the force required for height adjustment may be insufficient
Solution Approach 1:
The apparatus replaces traditional mechanical suspension systems with a hydraulic actuation system. The motor-driven pump generates hydraulic pressure that acts on the actuator piston, providing sufficient lifting force with significantly reduced weight compared to mechanical alternatives. This substitution enables weight reduction while maintaining adequate force for vehicle height adjustment.
Solution Approach 2:
The motor operates with variable rotational speed and direction to control the hydraulic flow rate and pressure. By adjusting these parameters, the system can deliver high force when needed (during height adjustment) while consuming minimal power during normal operation, effectively reducing the overall weight requirements while maintaining sufficient lifting capability.
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 efficiently adjusts vehicle height with a simple structure, reducing weight and size, and enables universal installation across various vehicle types, enhancing passenger and cargo handling convenience.
Implementation Method 1
a pump configured to supply or recover a fluid... the piston being configured to pressurize fluid disposed in the pump chamber toward the outside or to draw fluid from the outside into the pump chamber
Implementation Method 2
an actuator mounted between a chassis and a vehicle body of a vehicle, the actuator being configured to receive the fluid from the pump to raise the vehicle body and increase the vehicle height
Implementation Method 3
a motor configured to rotate in a forward or reverse direction; a spindle configured to rotate in the forward or reverse direction according to the forward or reverse rotation of the motor
Data Source
AI summary
An apparatus for adjusting vehicle height is disclosed. The apparatus for adjusting vehicle height, may include a pump configured to supply or recover a fluid; and an actuator mounted between a chassis and a vehicle body of a vehicle, the actuator being configured to receive the fluid from the pump to raise the vehicle body and increase the vehicle height, or to lower the vehicle body and decrease the vehicle height as the fluid is recovered by the pump.