Integrated Front Box Structure for Air Tank and Battery Packaging

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Solution Overview

Problem

There is a need to efficiently house components such as battery assemblies, electric motors, radiators, and cooling components in the space typically occupied by the internal combustion engine of traditional vehicles, while ensuring easy installation and structural integrity in electric vehicles.

Innovation Solution

A front box structure utilizing a pair of air tank mounting brackets and elongated braces to support air tanks, which also serve as a structural layer for mounting other components, allowing efficient use of space and facilitating easy installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If components are mounted on frame rails as in traditional vehicles, then installation is simple, but space utilization is inefficient and structural integration is poor

Engineering Contradiction:
Improvespace utilizationVSAvoidmounting structure complexity
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The patent combines multiple mounting functions into a single integrated front box structure. The front box serves as both a structural component and a mounting platform for air tanks, batteries, and other components, eliminating the need for separate frame rail mounting systems and improving space utilization.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent transitions from one-dimensional frame rail mounting to three-dimensional volumetric utilization within the front box. Components are arranged in vertical and horizontal layers within the front box structure, maximizing space utilization in all spatial dimensions rather than relying solely on linear attachment to frame rails.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Volume of moving object

If multiple components are housed in the front box, then space is optimized, but structural soundness and component support become challenging

Engineering Contradiction:
Improvespace optimizationVSAvoidstructural soundness
Core Design Contradiction:
Volume of moving objectVSStrength

Solution Approach 1:

The front box structure is divided into multiple layers (first layer, second layer, third layer) with each layer providing specific structural support functions. This segmentation allows the structure to bear multiple loads while maintaining overall structural integrity and soundness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The front box structure serves multiple functions simultaneously: it provides structural support for the vehicle, acts as a mounting platform for air tanks and batteries, and offers protective enclosure. This multi-functionality enables space optimization without compromising structural soundness.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If traditional mounting methods are used, then component installation is straightforward, but assembly time and production efficiency are reduced

Engineering Contradiction:
Improveinstallation easeVSAvoidassembly speed
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The front box is designed as a modular structure with distinct layers and standardized mounting locations. This segmentation enables pre-assembly of component groups and facilitates quick installation onto the vehicle chassis, improving both ease of operation and assembly speed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The front box structure is pre-configured with mounting brackets, supports, and attachment points during manufacturing. This preliminary preparation eliminates the need for complex on-site fabrication and installation, allowing for rapid assembly while maintaining ease of operation.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12618531B2Air tank integrated front box structure
Publication Date: 2026.05.05 DAIMLER TRUCK NORTH AMERICA LLC
  • US12618531B2 patent drawing
  • US12618531B2 patent drawing
  • US12618531B2 patent drawing

AI summary

Embodiments herein relate to a front box structure for use on an at least partially electrically powered vehicle. The front box utilizes a first pair of air tank mounting brackets and a second pair of air tank mounting brackets as part of a middle structural layer. Each pair of air tank mounting brackets supports an air tank, as well as other structural components of the front box assembly. The middle structural may also include a first brace and a second brace extending between and coupled to the first and second pairs of air tank mounting brackets. The first pair of air tank mounting brackets are adapted to be coupled to a first air tank, and the second pair of air tank mounting brackets are adapted to be coupled to a second air tank that form a part of the middle structural layer.