Modular Energy Storage Assembly With Adaptive Ventilation

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Solution Overview

Problem

Existing electrical energy storage systems in vehicles are not easily adaptable to different vehicle types with varying energy storage needs, requiring new designs for vehicles that do not have a secondary propulsion engine, leading to larger and more complex systems.

Innovation Solution

A modular electrical energy storage system comprising low and medium voltage modules, with a ventilation system that can adapt to the presence or absence of the medium voltage module, allowing easy configuration for vehicles with or without auxiliary propulsion needs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If the electrical energy storage system is designed with fixed capacity for vehicles without secondary propulsion, then the system provides sufficient energy storage, but the system dimensions and complexity increase significantly

Engineering Contradiction:
Improveenergy storage capacityVSAvoidsystem dimensions
Core Design Contradiction:
Quantity of substanceVSVolume of moving object

Solution Approach 1:

The energy storage system is divided into separate modules (first energy storage module for auxiliary circuits, second energy storage module for propulsion) that can be independently configured. This segmentation allows the system to provide sufficient energy storage capacity when needed while avoiding excessive dimensions by only including necessary modules for each specific vehicle application.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The energy storage system is designed as a universal platform that can serve multiple functions and vehicle types. The modular architecture with optional second energy storage module allows the same basic system design to be adapted for vehicles with or without secondary propulsion needs, eliminating the requirement for completely new designs for different applications.

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

2Adaptability or versatility

If the electrical energy storage system is customized for each vehicle type, then the system optimizes energy storage for specific applications, but the design complexity and variety increase

Engineering Contradiction:
Improveadaptation to different vehicle needsVSAvoiddesign variety
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system uses segmented modular modules that can be selectively combined. The first energy storage module is always present for auxiliary circuits, while the second module for propulsion is added only when needed. This segmentation enables easy adaptation to different vehicle requirements without increasing overall design complexity, as the same modular components are reused across different configurations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system design is made dynamic and flexible through the optional second energy storage module. Rather than creating entirely different fixed designs for each vehicle type, the system allows dynamic configuration where the propulsion module can be added or removed based on specific vehicle needs, simplifying the overall design process while maintaining high adaptability.

Inventive Principle:
Principle #15Dynamics

3Power

If a larger energy storage system is installed to provide propulsion power, then the system can power both auxiliary circuits and propulsion, but the system size and cost increase

Engineering Contradiction:
Improvepower output capabilityVSAvoidsystem size
Core Design Contradiction:
PowerVSVolume of moving object

Solution Approach 1:

The power delivery system is segmented into two separate pathways: the first energy storage module dedicated to auxiliary circuits and the second energy storage module dedicated to propulsion. This segmentation allows the system to provide high power output capability when needed without requiring a single oversized system, as power is drawn from the appropriate module based on the specific demand, optimizing system size.

Inventive Principle:
Principle #1Segmentation

4Temperature

If the ventilation system is designed for both modules, then cooling is provided when both modules are present, but the system complexity increases for vehicles with only one module

Engineering Contradiction:
Improvecooling capabilityVSAvoidventilation system complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The ventilation system is designed as a universal cooling solution that automatically adapts to the configured modules. The same ventilation infrastructure can cool both the first energy storage module and the second energy storage module when both are present, or only the first module when the second is absent. This universal design provides necessary cooling capability without increasing system complexity for different vehicle configurations.

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 system provides flexible energy storage solutions that can be easily adapted to different vehicle configurations without requiring new designs, optimizing size and cost by incorporating lithium-ion batteries and high-capacity capacitors, and ensuring power to both auxiliary circuits and propulsion when external power is unavailable.

Implementation Method 1

The ventilation system includes at least one air intake provided with at least one turbine

Methodology Applied
Scientific EffectTurbine: Turbine

Implementation Method 2

The low voltage module includes at least one lithium-ion battery

Methodology Applied
Scientific EffectLithium-ion battery: Battery (electricity)

Implementation Method 3

The low voltage module includes at least one high-capacity capacitor

Methodology Applied
Scientific EffectCapacitor: Capacitance

Data Source

PatentEP4309970B1Electric energy storage assembly and vehicle
Publication Date: 2025.12.24 SPEEDINNOV
  • EP4309970B1 patent drawingFigure 1
  • EP4309970B1 patent drawingFigure 2

AI summary

Electrical energy storage assembly (12) comprising: - a support (20), and - a low-voltage energy storage module (22) disposed on the support (20). The assembly (12) also includes: - a receiving location (24) on the support (20) for a medium-voltage energy storage module (26), and - a ventilation system (28) arranged to, in the absence of a medium-voltage module received on the location, cool the low-voltage module (22) alone, and in the presence of a medium-voltage module received on the location (24), cool both the low-voltage module (22) and the medium-voltage module (26).