Electric Vehicle Conversion Kit with Symmetrical Battery Placement

Solution Overview

Problem

Existing methods for converting vehicles with internal combustion engines into electric vehicles face limitations in battery capacity, leading to reduced autonomy and stability issues due to asymmetrical weight distribution.

Innovation Solution

A conversion kit that includes an electric motor, battery pack, inverter, and battery management system, with a counterplatform to support the battery pack in a central location on the vehicle chassis, ensuring symmetrical weight distribution and improved stability by creating a purpose-made space within the platform.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If recycling spaces originally intended for other purposes (fuel tank, spare wheel) are used to house electric batteries, then the conversion can be implemented with existing vehicle structures, but the battery capacity is limited and weight distribution becomes asymmetrical

Engineering Contradiction:

Improveease of conversionVSAvoidbattery capacity

Core Design Contradiction:

Ease of manufactureVSQuantity of substance

Solution Approach 1:

The invention divides the vehicle platform into multiple modular opening spaces where battery packs can be independently installed. The platform is segmented to accommodate multiple battery units, allowing flexible configuration and increased total battery capacity while maintaining ease of conversion.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention intentionally creates symmetrical weight distribution by positioning battery packs in a balanced configuration across the vehicle platform. Multiple openings are arranged to ensure that the battery mass is distributed evenly, preventing asymmetrical weight issues while maximizing battery capacity.

Inventive Principle:

Principle #4Asymmetry

2Ease of manufacture

If recycling spaces originally intended for other purposes are used to house electric batteries, then the conversion can be implemented with existing vehicle structures, but stability problems occur due to asymmetrical weight distribution

Engineering Contradiction:

Improveease of conversionVSAvoidvehicle stability

Core Design Contradiction:

Ease of manufactureVSStability of the object's composition

Solution Approach 1:

The invention intentionally creates symmetrical weight distribution by positioning battery packs in a balanced configuration across the vehicle platform. Multiple openings are arranged to ensure that the battery mass is distributed evenly, preventing asymmetrical weight issues while maximizing battery capacity.

Inventive Principle:

Principle #4Asymmetry

Solution Approach 2:

The platform is segmented into multiple opening spaces that are strategically positioned to achieve balanced weight distribution. This segmentation allows the battery system to be divided into modules that collectively provide symmetrical mass distribution, improving vehicle stability.

Inventive Principle:

Principle #1Segmentation

3Device complexity

If a limited number of batteries are housed in recycled spaces, then the conversion is simpler, but autonomy is limited

Engineering Contradiction:

Improveconversion complexityVSAvoidautonomy

Core Design Contradiction:

Device complexityVSDuration of action of moving object

Solution Approach 1:

The platform is segmented into multiple opening spaces that are strategically positioned to achieve balanced weight distribution. This segmentation allows the battery system to be divided into modules that collectively provide symmetrical mass distribution, improving vehicle stability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The platform openings are designed with universal characteristics that allow them to accommodate different battery pack configurations. The same opening structure can house one or multiple battery units depending on autonomy requirements, providing flexibility without increasing conversion complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 enhances battery capacity, providing better autonomy and stability by ensuring symmetrical weight distribution, thus addressing the limitations of prior art solutions.

Implementation Method 1

The conversion kit includes a battery pack

Methodology Applied

Scientific EffectBattery (electricity): Battery (electricity)

Data Source

PatentEP3498511B1Method for converting a vehicle with an internal combustion engine into an electrical vehicle

Publication Date: 2021.01.13 ALMA MATER STUDIORUM UNIV DI BOLOGNA

Figure 1
Figure 2A~2B
Figure 2C~2D

AI summary

A method for converting into an electric vehicle (1) a vehicle with an internal combustion engine, equipped with a chassis including a platform (11), comprises the following steps: preparing a conversion kit (2), including an electric motor (201), a battery pack (22), an inverter (23), an air conditioning system and a battery management system; making an opening (13) in the platform (11), by cutting and removing material from the platform (11); coupling the conversion kit (2) to the vehicle (1), where the battery pack (22) is placed in the opening (13) made in the platform (11).