Phosphorescent Tube Liquid Level Observation Device

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Solution Overview

Problem

Current methods for observing and measuring liquid levels in storage vessels rely on mechanical, electrical, or magnetic systems, which are inaccurate, require frequent maintenance, and cannot observe the liquid within the vessel, introducing ambient impurities and structural limitations.

Innovation Solution

A self-contained, maintenance-free device with a clear, disc-like body structure and phosphorescent tube that allows visual observation and accurate level measurement by threading into the vessel, enabling liquid level observation without mechanical, electrical, or magnetic systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If mechanical dipsticks are used for liquid level measurement, then measurement can be performed, but the measurement is inaccurate and requires manual removal and wiping multiple times

Engineering Contradiction:
Improveliquid level measurement accuracyVSAvoidoperation complexity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent replaces mechanical dipsticks with an optical system consisting of a light source, optical path through the liquid, and observation window. This substitution eliminates the need for manual insertion and removal of mechanical devices, providing continuous accurate measurement without compromising operation ease.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent creates an optical copy or image of the liquid level and condition through the observation window. Instead of physically contacting the liquid with dipsticks, the system captures and displays visual information about the liquid level and condition, enabling accurate measurement without mechanical interference.

Inventive Principle:
Principle #26Copying

2Reliability

If mechanical or magnetic systems are used for liquid level measurement, then measurement function is provided, but the systems require periodic maintenance and are not maintenance free

Engineering Contradiction:
Improvemaintenance free operationVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical and magnetic systems with a simple optical system. The optical components (light source, transmission path, observation window) have no moving parts and require minimal maintenance, significantly improving reliability while actually reducing overall system complexity compared to mechanical float systems or magnetic measuring devices.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Object-affected harmful factors

If mechanical systems are inserted into the liquid storage vessel, then liquid level measurement is possible, but ambient impurities are introduced into the liquid

Engineering Contradiction:
Improveambient impurities introductionVSAvoidliquid level measurement capability
Core Design Contradiction:
Object-affected harmful factorsVSMeasurement precision

Solution Approach 1:

The patent replaces mechanical insertion devices with an optical measurement system. The optical components can be positioned at the vessel boundary or use non-contact methods to measure liquid level and condition, eliminating the introduction of ambient impurities while maintaining accurate measurement capability through light transmission and observation.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Loss of information

If float type systems or magnetic systems are used, then liquid level indication is provided, but observation of the liquid within the storage vessel is not possible

Engineering Contradiction:
Improveliquid condition observation capabilityVSAvoidsystem structure complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent creates a multi-functional system where the same optical components serve dual purposes: measuring liquid level and observing liquid condition. The observation window and optical path enable visualization of liquid characteristics while simultaneously providing accurate level measurement, eliminating the need for separate float indicators or magnetic sensing systems.

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

Enables accurate, visual measurement of liquid levels and condition within the vessel, with easy installation and removal, and provides ambient or emitted light for observation, overcoming the limitations of existing methods.

Implementation Method 1

a clear phosphorescent tube member 5 attached thereto which extends longitudinally down

Methodology Applied
Scientific EffectPhosphorescence: Phosphorescence

Data Source

PatentUS11099047B2Liquid observation device
Publication Date: 2021.08.24 DECANIO PAUL JOSEPH
  • US11099047B2 patent drawing
  • US11099047B2 patent drawing

AI summary

A liquid observation device having a clear body structure 1C which is a disc-like shape which on the top surface has a thumb support member 1A that includes symbol indicator marks 1B thereon, on the opposite side of the clear body structure 1C a mechanical seal surface 2B having a mechanical seal 2A thereto, which has threads 3A extending from the mechanical seal surface 2B to the bottom of the said clear body structure 1C which located on the bottom surface at the center a phosphorescent tube. member 5 having a vent hole 4 at the top, which extends vertically down from the clear body structure 1C, toward the end has tube indicator section 6 that extends in a downwardly-inclined outwardly spiral. The device is attached to the liquid storage vessel 8 by engagement of the threads in a clockwise direction which define matching threads and turned until the mechanical seal 2A is tight between the seal surface 2B and the liquid storage vessel 8, the phosphorescent tube member 5 indicator section 6 provides light and is submerged into the liquid 9, which the liquid 9 enters the tube entrance 7, the air vents out of the vent hole 4 permitting the liquid to rise up the tube that gives the observer visual observation as well as the liquid level in the liquid storage vessel which is observed through the clear body structure 1C, and by which the claimed invention functions.