Impact Screen Redirects Motor Unit Momentum in Vehicle Collisions
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Solution Overview
Problem
Conventional vehicle designs face challenges in maintaining the integrity of critical components like batteries during collisions, as they become more compact and lighter, increasing the likelihood of damage and harm to occupants due to the close proximity of components such as motors and batteries, which can lead to extensive losses and safety hazards.
Innovation Solution
The implementation of an impact screen configured to extend laterally across a vehicle cavity, secured to frame elements, which redirects or interferes with the travel of components during a collision, reducing the likelihood of the motor unit contacting the battery and minimizing impact force by allowing relative movement between the motor unit and the battery during an impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If vehicles become smaller and lighter to increase efficiency, then vehicle efficiency is improved, but the likelihood of impact damage to components like the battery increases
Solution Approach 1:
The impact screen acts as an intermediary component positioned between the motor unit and battery. During a collision, the screen intercepts the motor unit's travel path, redirecting it away from the battery through lateral extension across the vehicle cavity. This mediator prevents direct contact between the motor unit and battery, protecting the battery from impact damage while maintaining the compact vehicle design.
2Reliability
If components are spaced farther apart to reduce collision impact, then component safety is improved, but vehicle footprint increases
Solution Approach 1:
Rather than increasing longitudinal spacing between the motor unit and battery, the impact screen extends laterally across the vehicle cavity in the transverse dimension. This lateral positioning creates a protective barrier that redirects the motor unit's longitudinal travel path without requiring additional longitudinal space. The screen's lateral extension interferes with the motor unit's travel in three-dimensional space, achieving protection while maintaining a compact vehicle footprint.
3Reliability
If the impact screen redirects motor unit travel, then battery protection is improved, but device complexity increases
Solution Approach 1:
The impact screen is implemented as a separate, discrete component that can be independently positioned and secured within the vehicle cavity. This segmentation allows the screen to function as a dedicated protective element without requiring redesign of the entire vehicle structure. The screen's modular nature enables it to be integrated into existing vehicle architectures with minimal additional complexity, providing battery protection as a distinct functional addition.
Data Source
AI summary
A vehicle system may include an impact screen for reducing damage in a collision involving the vehicle. The impact screen may be disposed in a cavity of the vehicle system between a motor unit and a battery to reduce a likelihood of impact and/or a force of an impact between the motor unit and the battery. The impact screen may be fixed at opposite sides of the vehicle, such that motor unit moves relative to the impact screen during the collision.