Ultracapacitor Start Module With Two-Post Battery Replacement
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Solution Overview
Problem
Existing ultracapacitor energy devices require extensive modifications for installation, cannot interface with existing battery wiring, and are not suited to handle transient electrical spikes, leading to increased costs and operational challenges.
Innovation Solution
A two-post energy storage module with ultracapacitors, passive electronics for temperature-based current limiting, and an auxiliary charging port, allowing for drop-in replacement of batteries without additional modifications, and capable of handling transient energy spikes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional ultracapacitor energy devices are installed in generator start systems, then energy storage function is provided, but extensive modifications to battery housing and wiring harness are required
Solution Approach 1:
The energy storage device is designed with a universal two-post electrical connection that can interface with both traditional battery systems and ultracapacitor charging systems. The single pair of terminals serves dual functions: providing power output to the generator start system and accepting charging current from the alternator, eliminating the need for separate charging ports and extensive wiring modifications.
Solution Approach 2:
The patent combines the power output function and charging function into a single electrical interface. The two-post connection merges the roles of positive/negative terminals for power delivery with the roles of charging terminals, thereby simplifying the overall system architecture and reducing installation complexity.
2Reliability
If traditional ultracapacitor energy devices are used, then energy storage is achieved, but additional wiring harnesses and adapters are needed
Solution Approach 1:
The two-post electrical connection provides universal compatibility with existing generator start systems while maintaining ultracapacitor energy storage capabilities. This universal interface eliminates the need for system-specific adapters or custom wiring harnesses, thereby reducing manufacturing and installation costs.
3Reliability
If ultracapacitor charging is done through separate charging port, then charging function is provided, but additional wiring is required
Solution Approach 1:
The patent merges the charging function with the power output function by using the same two-post electrical connection for both purposes. The alternator charging current flows through the same terminals that provide power to the generator start system, thereby eliminating the need for separate charging wiring.
Solution Approach 2:
The single pair of terminals serves multiple functions: it provides power output to the generator start system and simultaneously accepts charging current from the alternator. This multi-functional interface reduces wiring complexity while maintaining reliable charging capability.
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
Enables efficient and cost-effective installation and operation by eliminating the need for extensive modifications and active electronic controls, while ensuring safe handling of transient energy spikes.
Implementation Method 1
one or more Positive Temperature Coefficient (PTC) thermistors disposed within the electrical circuit for passively limiting a charge current of the one or more ultracapacitors based on an internal temperature of the energy storage module
Data Source
AI summary
An energy storage system and energy storage module for providing electrical energy to a generator start energy system or other electrically driven system. One or more ultracapacitors are included within the energy storage module for storing and providing electrical charge via a two-post electrical connection of the energy storage module. A mountable housing of the energy storage module provides a variety of mounting orientations within a compartment of the generator start energy system or other electrically driven system.