Battery Vibration Isolation Mounts for Electric Refuse Vehicles

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Solution Overview

Problem

Existing refuse vehicles experience vibration-induced degradation of battery systems, leading to performance issues and potential operational disruptions due to disruptive forces during operation.

Innovation Solution

Incorporation of vibration isolation devices, such as coil springs, rubber pads, and elastomer springs, to reduce the impact of disruptive forces on battery systems, combined with a controller system that monitors and adjusts these devices to optimize vibration reduction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If vibration isolation devices are added to protect battery systems, then reliability of battery system is improved, but device complexity increases

Engineering Contradiction:
Improvebattery system reliabilityVSAvoidvibration isolation system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies beforehand cushioning by installing vibration isolation devices (spring elements, elastomeric elements, rubber elements) between the battery system and vehicle frame before vibration damage can occur. These elements are pre-configured to absorb and dampen disruptive forces during vehicle operation, protecting the battery system from vibration-induced degradation while maintaining a relatively simple structural implementation.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Object-affected harmful factors

If multiple types of vibration isolation devices are used, then vibration reduction effectiveness is improved, but device complexity increases

Engineering Contradiction:
Improvevibration effects on batteryVSAvoidvibration isolation device complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent employs composite materials principle by combining different types of vibration isolation elements (spring elements, elastomeric elements, rubber elements) within the same vibration isolation device assembly. Each material type contributes different damping characteristics - springs provide mechanical energy storage and release, while elastomeric and rubber elements provide viscous damping. This composite approach effectively reduces multiple types of vibration effects on the battery system while maintaining a unified, manageable device structure.

Inventive Principle:
Principle #40Composite materials

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 solution effectively minimizes vibration effects on battery systems, enhancing their performance, accessibility, and serviceability, thereby extending their lifespan and reducing maintenance costs.

Implementation Method 1

one or more vibration isolation devices structured to reduce an effect of a disruptive force on the one or more battery cells during operation of the vehicle

Methodology Applied
Scientific EffectVibration isolation: Damping

Data Source

PatentUS20250368152A1Vibration damping mounts for batteries in electric refuse vehicle
Publication Date: 2025.12.04 OSHKOSH CORPORATION
  • US20250368152A1 patent drawing
  • US20250368152A1 patent drawing
  • US20250368152A1 patent drawing

AI summary

A refuse vehicle including a chassis, a body assembly coupled to the chassis, the body assembly defining a refuse compartment, an electric energy system, the electric energy system including one or more battery cells and control hardware, the electric energy system coupled to the body and configured to be accessed through an opening in the body, and one or more vibration isolation devices, the one or more vibration isolation devices structured to reduce effects of disruptive forces on the electric energy system.