Vehicle Assembly Roll Stabilizer Battery Integration

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Solution Overview

Problem

Off-road commercial vehicles face limitations in flexibility and mobility due to restricted off-road capabilities and driving safety issues related to rolling movements, which existing technologies have not adequately addressed.

Innovation Solution

A vehicle assembly featuring a chassis with drivable rigid axle units connected via a roll stabilizer device, incorporating an articulated push tube frame design with a receiving device for battery integration, allowing for flexible energy supply and improved roll stability through the use of electric machines and alternative drives.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a roll stabilizer device is added to reduce rolling movements, then driving safety is improved, but device complexity increases

Engineering Contradiction:
Improvedriving safetyVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The battery receiving device is integrated with the roll stabilizer device structure, combining two functional systems into a unified assembly. The battery mounting structure utilizes the same structural elements and mounting points as the roll stabilizer, thereby reducing overall device complexity while maintaining both roll stabilization and battery integration functions.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The roll stabilizer device structure serves multiple functions: it provides roll stabilization during vehicle operation and simultaneously serves as a mounting structure for the battery. This multi-functional design eliminates the need for separate mounting structures, reducing device complexity while improving driving safety through the roll stabilizer.

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

2Volume of moving object

If batteries are mounted above the push tube frame, then space utilization is improved, but manufacturing precision requirements increase

Engineering Contradiction:
Improvespace utilizationVSAvoidmanufacturing precision
Core Design Contradiction:
Volume of moving objectVSManufacturing precision

Solution Approach 1:

The receiving device structure is pre-integrated into the vehicle chassis assembly during manufacturing, with predetermined mounting positions and attachment points. This preliminary integration establishes precise reference frames and mounting locations before battery installation, ensuring accurate positioning while simplifying the overall manufacturing process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The receiving device acts as an intermediary component between the chassis and the battery, providing a standardized interface with predetermined mounting features. This intermediary structure absorbs and compensates for manufacturing tolerances, ensuring precise battery positioning without requiring extremely high manufacturing precision across all components.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If electric machines are integrated into the drive train, then adaptability is improved, but device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The vehicle assembly is designed with dynamic configurability, allowing the drive train to operate in multiple modes (conventional or electric) based on operational requirements. The receiving device and battery integration enable flexible deployment of electric machines without permanently fixing the drive train architecture, thereby improving adaptability while managing complexity through modular design.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The drive train system is segmented into modular components, with electric machines and battery systems that can be independently added or removed. This segmentation allows the vehicle to maintain its base conventional drive train structure while optionally integrating electric propulsion components, improving adaptability without substantially increasing the complexity of the core system.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3722118B1Vehicle assembly for an off-road utility vehicle in particular
Publication Date: 2022.02.02 GENERAL DYNAMICS EURO LAND SYST MOWAG GMBH
  • EP3722118B1 patent drawingFigure 1~2
  • EP3722118B1 patent drawingFigure 3~4
  • EP3722118B1 patent drawingFigure 5~6

AI summary

Vehicle assembly (1) for an all-terrain utility vehicle (100), comprising a chassis (2) and a drivetrain (12) mountable on the chassis (2) with two rigid axle units (3), each with a torque tube frame (4). The torque tube frames (4) are pivotably connected to the chassis (2) via at least one common roll stabilizer device (5). At least one mounting device (9) is suitable and designed to connect at least one battery (18) of a battery unit (8) for supplying energy to at least one electric motor unit (6) providing an electric drive to the chassis (2) in the forward direction of travel, in front of and/or behind the roll stabilizer device (5) and at least partially above the torque tube frames (4).