Overpressure Indicator with Interchangeable Calibration Caps
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing overpressure indicators for lubrication systems are not easily adaptable to varying operating pressures and lack reliability and cost-effectiveness, making it difficult to detect critical pressure exceedances that can indicate faulty components or obstructions.
Innovation Solution
A cup-shaped overpressure indicator with a mobile element and interchangeable calibration caps that adjust intervention pressure, allowing for easy adaptation to different pressures and providing a clear indication of exceeding critical pressure through a mechanical and optional electronic signaling mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing overpressure indicators are used, then pressure monitoring is provided, but they are not easily adaptable to varying operating pressures and lack reliability
Solution Approach 1:
The indicator employs an interchangeable calibration cap system that allows the intervention pressure threshold to be dynamically adjusted according to different operating conditions. The mobile element responds dynamically to pressure changes, providing immediate visual indication when critical pressure is exceeded. This dynamic adaptability resolves the contradiction by enabling the same indicator device to reliably monitor multiple different pressure thresholds through simple cap replacement.
Solution Approach 2:
The invention changes the pressure parameter threshold by replacing calibration caps with different spring pre-loads. Each calibration cap is designed with specific mechanical properties that set a particular intervention pressure level. This parameter change approach allows the indicator to adapt to varying operating pressures while maintaining reliable indication through consistent mechanical response characteristics.
2Reliability
If existing overpressure indicators are used, then pressure monitoring is provided, but they are not cost-effective
Solution Approach 1:
The indicator is segmented into modular components: a reusable body containing the mobile element and signaling mechanism, and interchangeable calibration caps. This segmentation allows the expensive, precision-manufactured body to be reused while only the simpler, lower-cost calibration caps need to be replaced or adjusted for different pressure thresholds, improving cost-effectiveness while maintaining reliability.
Solution Approach 2:
Multiple calibration caps can be manufactured as standardized copies with different pressure settings. Once the indicator body design is established, replication of the cap component at different pressure specifications allows for cost-effective adaptation to various operating conditions without requiring custom manufacturing of the entire indicator assembly.
3Loss of information
If pressure monitoring is implemented, then critical pressure exceedances can be detected, but immediate obvious indication of exceeding critical pressure is not provided
Solution Approach 1:
The signaling mechanism uses color changes to provide immediate and obvious indication of critical pressure exceedance. The mobile element is positioned to reveal a colored indicator or change the color state when pressure exceeds the calibration threshold, making the pressure violation immediately visible and obvious to operators without requiring interpretation of gauge readings or complex signals.
Solution Approach 2:
The invention replaces complex electronic or mechanical gauge systems with a simple mechanical pop-up or color-change signaling mechanism. This substitution provides immediate, unambiguous indication of pressure exceedance through direct mechanical response, eliminating the need for continuous monitoring interpretation and providing instant obvious feedback to operators.
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 ensures immediate detection of critical pressure exceedances, extends the life of the indicator by minimizing wear, and is cost-effective, allowing for reliable operation across a range of pressures from 50 to 500 bar.
Implementation Method 1
a mobile element (5) loaded by a spring (6) towards the bottom of the cup-shaped body
Data Source
AI summary
An over-pressure indicator, including a cup-shaped body having, on its bottom, a hole inside which is sealably housed a mobile element loaded by a spring towards the bottom of the cup-shaped body, the mobile element facing an indicator sensitive part for communication with an area where pressure verification is wanted. The mobile element coupled with a signaller of a movement thereof. The spring pressed by a pre-loading ring nut screwed onto the cup-shaped body. The nut torsionally removably coupled with a calibration cap of the indicator. The calibration cap having at least one stop that, when it abuts against a portion of the cup-shaped body, limits further screwing of the nut thus determining pressure beyond which mobile element movement is allowed. The movement causing intervention of the indicator so by coupling the suitable calibration cap and indicator and screwing it in fully, setting the indicator intervention pressure is possible.