Pressure Indicator with Tapered Annular Relief
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Solution Overview
Problem
Conventional pressure indicating devices cannot release excessive pressure into the environment, leading to potential damage to objects connected to pressure sources like air compressors without safety valves.
Innovation Solution
A pressure indicator with a transparent tube and slider that moves along the tube, featuring a tapered annular surface between segments of different diameters, allowing excessive pressure to be released into the environment when it exceeds a predetermined level, thereby protecting connected objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional pressure indicating devices are used, then pressure measurement is achieved, but excessive pressure cannot be released leading to potential damage
Solution Approach 1:
The patent combines the pressure measurement function and pressure relief function into a single integrated device. The pressure indicator measures pressure through slider position while simultaneously providing overpressure protection through the tapered annular surface that releases excess pressure, eliminating the need for separate safety valves
Solution Approach 2:
The pressure indicator serves multiple functions: it measures pressure indication through the transparent tube and slider mechanism, and simultaneously acts as a safety device that releases excessive pressure through the tapered annular surface, making it a multi-functional device that both monitors and protects the system
2Object-affected harmful factors
If safety valves are added to pressure sources, then overpressure damage is prevented, but device complexity increases
Solution Approach 1:
The patent integrates the safety valve function directly into the pressure indicator structure. The tapered annular surface is formed as part of the transparent tube structure, and the slider mechanism serves both measurement and pressure relief functions, thereby reducing overall device complexity while maintaining safety 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
Effectively measures pressure while quickly releasing excessive pressure into the environment, preventing damage to objects connected to pressure sources by utilizing the tapered annular surface to divert excess medium away from the system.
Implementation Method 1
the slider can be forced by the medium supplied from an external pressure source to move, in a way similar to a piston, along the transparent tube
Implementation Method 2
When the pressure of the medium supplied from the external pressure source exceeds a predetermined pressure, the slider can be forced by the medium to reach the tapered annular surface, at which excessive medium can be released to the environment
Data Source
AI summary
A pressure indicator with a pressure-relief function is disclosed, which can release excessive pressure to the environment. The pressure indicator includes a transparent tube defining therein a first bore and a second bore, and a slider which can be forced by the medium supplied from an external pressure source to move along the first and second bores of the transparent tube. In particular, the first bore has a diameter greater than the second bore, and a tapered annular surface is provided between the first bore and the second bore of the transparent tube. When the pressure of the medium exceeds a predetermined pressure, the slider can be forced by the medium to reach the tapered annular surface, at which excessive medium can be released into the environment via an annular gap between the slider and the tapered annular surface.