Utility Vehicle Adjustable Suspension and Storage
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Solution Overview
Problem
Utility vehicles lack efficient storage solutions and adjustable suspension systems that can accommodate varying loads and terrain conditions, affecting their performance and cargo carrying capacity.
Innovation Solution
The design incorporates a modular frame with adjustable suspension systems featuring air shocks with adjustable fluidic and mechanical stiffness, and storage bins strategically positioned for optimal cargo retention and operator access, along with an electronic power steering system that varies assist based on vehicle speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If storage bins are positioned under the dashboard, then cargo storage capacity is improved, but operator access convenience deteriorates
Solution Approach 1:
The storage bin is designed with a movable cover that can be opened and closed, allowing dynamic access to stored cargo. The cover mechanism enables the operator to quickly access items without removing the entire storage bin structure, balancing enclosed storage with ease of access.
2Stability of the object's composition
If suspension stiffness is increased for heavy loads, then vehicle stability is improved, but terrain adaptability deteriorates
Solution Approach 1:
The suspension system employs adjustable air shocks that allow the operator to change the stiffness characteristics based on load conditions and terrain requirements. This dynamic adjustability enables the suspension to provide firm support for heavy loads while remaining compliant for rough terrain, resolving the contradiction between stability and adaptability.
Solution Approach 2:
The air shock suspension system allows modification of the stiffness parameter through air pressure adjustment. By changing the air pressure in the shock absorbers, the system can adapt its mechanical properties to match different operational requirements, maintaining both stability and terrain adaptability across varying conditions.
3Ease of operation
If electronic power steering assist is increased at low speeds, then steering ease is improved, but steering precision deteriorates
Solution Approach 1:
The electronic power steering system dynamically adjusts the level of assist based on vehicle speed and steering conditions. At low speeds, increased assist provides ease of maneuvering, while at higher speeds or during precise positioning tasks, the assist is reduced to maintain steering precision and direct feedback to the operator.
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
Enhances the utility vehicle's performance by providing adaptable suspension for different loads and terrain, improving cargo handling and operator convenience through efficient storage and responsive steering.
Implementation Method 1
air shocks with adjustable fluidic and mechanical stiffness
Implementation Method 2
spring compressed between a first stop member and a second stop member
Implementation Method 3
at least one intermediate body panel member positioned between the dashboard body panel member and the floor body panel member, wherein the at least one intermediate body panel member substantially blocks air from a front portion of the utility vehicle from entering the operator area
Data Source
AI summary
A utility vehicle is disclosed. The utility vehicle may include storage areas under the dash. The utility vehicle may include suspension systems for utility vehicles having shocks with both a fluidic stiffness adjustment and a mechanical stiffness adjustment. The utility vehicle may include an electrical power steering.