Pneumatic Booster for High-Pressure Pyro Device Testing

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Solution Overview

Problem

Conventional pneumatic generating systems for testing pyro devices are inefficient due to size limitations and high costs associated with generating high-pressure compressed air, making it economically unfeasible to perform reliable reliability evaluations.

Innovation Solution

A performance testing device comprising a compressor, air storage tank, regulator, pneumatic boosters, and valve control system that generates and applies high pressure to a test object, allowing for efficient and repetitive testing of pyro devices without the need for expensive equipment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stress or pressure

If conventional pneumatic generating systems are used to generate high-pressure compressed air, then the required pressure can be achieved, but the equipment size becomes large and the cost becomes high

Engineering Contradiction:

Improvecompressed air pressureVSAvoidequipment size

Core Design Contradiction:

Stress or pressureVSVolume of stationary object

Solution Approach 1:

The system divides the pressure generation function into two separate components: a compressor that generates compressed air at moderate pressure, and a pneumatic booster that further pressurizes the air to the required high pressure. This segmentation allows each component to be smaller and more efficient than a single large compressor would be.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The pneumatic booster acts as an intermediary device between the compressor and the test object. It receives compressed air from the compressor and transforms it into high-pressure air, enabling the system to achieve high pressure without requiring a large, expensive compressor.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Stress or pressure

If conventional pneumatic generating systems are used to generate high-pressure compressed air, then the required pressure can be achieved, but the equipment cost becomes high

Engineering Contradiction:

Improvecompressed air pressureVSAvoidequipment cost

Core Design Contradiction:

Stress or pressureVSEase of manufacture

Solution Approach 1:

By segmenting the pressure generation into a standard compressor and a pneumatic booster, the system can use off-the-shelf compressor components and only custom-build the booster part, reducing overall cost compared to purchasing a large-capacity high-pressure compressor.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The pneumatic booster is designed as a simple, relatively inexpensive device that can be easily manufactured or replaced. It serves as a cost-effective solution compared to investing in expensive high-pressure compressor equipment.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Stress or pressure

If expensive high-end compressors and air storage tanks are used to evaluate pyro device reliability, then high-pressure compressed air can be generated, but the operational efficiency becomes low due to minimal compressed air consumption

Engineering Contradiction:

Improvecompressed air pressureVSAvoidoperational efficiency

Core Design Contradiction:

Stress or pressureVSProductivity

Solution Approach 1:

The pneumatic booster operates on-demand, converting compressed air to high pressure only when needed for testing. This continuous availability of high-pressure air without waste improves operational efficiency compared to systems that maintain large air storage tanks.

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

The system generates high-pressure air exactly when and where it is needed through the pneumatic booster, eliminating the need for large air storage tanks and reducing wasted compressed air. The booster serves the testing function directly and efficiently.

Inventive Principle:

Principle #25Self-service

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 effective evaluation of pyro device reliability and airtightness under high pressure conditions using a simpler and more economical setup, reducing operational costs and improving testing efficiency.

Implementation Method 1

a pneumatic booster configured to pressurize the compressed air received in the input port line or the output port line

Methodology Applied

Scientific EffectPneumatic pressure: Pressure Increase

Implementation Method 2

a compressor configured to generate compressed air

Methodology Applied

Scientific EffectCompression: Compression

Data Source

PatentUS10295433B2Device for testing performance of pyro device using high-pressure air

Publication Date: 2019.05.21 AGENCY FOR DEFENSE DEV

AI summary

Provided is a performance testing device including: a compressor configured to generate compressed air; an air storage tank configured to receive the compressed air generated by the compressor; a regulator connected to each of the compressor and the air storage tank to control a pressure of the compressed air; a main supply line connected to the regulator to move the compressed air; an input port line and an output port line connected to the main supply line to receive the compressed air from the air storage tank and deliver the compressed air to an input port or an output port of a test object; and a pneumatic booster configured to pressurize the compressed air received in the input port line or the output port line, wherein in order to test a performance of the test object, the pressurized compressed air is applied to the input port or the output port of the test object.