Integrated Suspension Assembly Layout for Electric Utility Vehicles
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Solution Overview
Problem
Electrically-powered delivery and utility vehicles face limitations in conventional components and systems, necessitating the development of improved suspension assemblies to enhance performance and efficiency.
Innovation Solution
The design incorporates a chassis with a pair of front and rear suspension assemblies, each supporting a pair of wheels for rotation relative to the chassis, featuring unique mountings and shock absorbers, and includes a power source cradle and electronics cradle to house and support drive units and electronic devices, respectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional components and systems are used in electrically-powered delivery vehicles, then manufacturing simplicity is maintained, but vehicle performance and efficiency are limited
Solution Approach 1:
The suspension assembly merges the shock absorber and spring into a single integrated unit, where the shock absorber is received within the spring assembly. This combination reduces the number of separate components while maintaining both shock absorption and suspension functions, thereby improving vehicle performance without proportionally increasing complexity.
Solution Approach 2:
The spring assembly serves multiple functions: it provides suspension support, houses the shock absorber, and contributes to overall vehicle stability. This multi-functionality allows a single component to perform what would traditionally require multiple separate parts, improving performance while managing complexity.
2Stability of the object's composition
If suspension assemblies are mounted inward of frame arches, then structural compactness is improved, but wheel rotation stability may be compromised
Solution Approach 1:
The suspension assembly is positioned inward of the frame arches in the lateral dimension, but the spring assembly extends vertically to provide adequate suspension travel. This dimensional arrangement allows compact lateral packaging while maintaining sufficient vertical space for wheel rotation and suspension operation.
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
This configuration enhances the stability and efficiency of electric vehicles by optimizing wheel rotation and supporting critical components, thereby improving overall vehicle performance.
Implementation Method 1
suspension assemblies, and components therefor
Data Source
AI summary
Land vehicles are disclosed. A land vehicle includes a chassis extending in a longitudinal direction, a plurality of wheels supported by the chassis including a pair of front wheels and a pair of rear wheels arranged rearward of the pair of front wheels in the longitudinal direction, a pair of front suspension assemblies each coupled to one of the pair of front wheels and the chassis to support the pair of front wheels for rotation relative to the chassis in use of the land vehicle, and a pair of rear suspension assemblies each coupled to one of the pair of rear wheels and the chassis to support the pair of rear wheels for rotation relative to the chassis in use of the land vehicle.