Fluid Check Piping With Pressure-Actuated Visual Flow Indication
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Solution Overview
Problem
Existing fluid check piping systems for electric power apparatuses face challenges in reliably checking the condition of internal fluids without increasing manufacturing costs.
Innovation Solution
The proposed fluid check piping system includes a piping main body, a check window, and a rotatable check plate that droops by its own weight and rises to block the check window in response to fluid pressure, allowing for visual inspection of the fluid flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a window is provided to view the inside of the piping, then the visibility of fluid flow is improved, but when the fluid is transparent it becomes difficult to check the fluid condition
Solution Approach 1:
The invention applies a light-reflecting member (such as a reflective tape or coating) on the inner circumferential surface of the piping at the check window location. This reflective surface creates a visible contrast when fluid flows past it, allowing operators to easily detect fluid flow and condition even when the fluid itself is transparent. The reflective member changes its visual appearance based on fluid presence, providing reliable detection without requiring fluid opacity.
2Loss of information
If an impeller is provided in the piping to indicate fluid flow, then the fluid flow detection is improved, but the manufacturing cost increases
Solution Approach 1:
The invention replaces expensive mechanical components like impellers with a simple, inexpensive light-reflecting member that can be easily applied to the piping interior. This reflective member provides sufficient fluid flow indication through optical contrast without the complexity and cost of rotating mechanical parts. The solution uses a durable but low-cost material that maintains its function throughout the piping's service life.
Solution Approach 2:
The invention substitutes a mechanical detection system (impeller) with an optical detection system (light-reflecting member). Instead of using mechanical motion to indicate fluid flow, the reflective member utilizes optical principles to create visible contrast when fluid passes by, thereby reducing mechanical complexity and manufacturing cost while maintaining detection effectiveness.
3Loss of information
If a check plate is provided to block the check window in response to fluid pressure, then the fluid pressure indication is improved, but the device complexity increases
Solution Approach 1:
The check plate is designed to dynamically respond to fluid pressure by rotating or moving between two positions: blocked (when fluid is flowing with sufficient pressure) and open (when fluid is not flowing or pressure is insufficient). This dynamic positioning provides clear visual indication of fluid pressure status through the check window, allowing operators to immediately understand system state without complex instrumentation.
Solution Approach 2:
The check plate operates autonomously using only the fluid pressure itself as the actuating force. When fluid flows with adequate pressure, the pressure differential automatically pushes the check plate to the blocked position, providing visual confirmation of proper flow. When flow stops or pressure drops, the plate returns to the open position by spring force or gravity. This self-actuating mechanism eliminates the need for external power sources, sensors, or control systems.
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
This solution enables reliable confirmation of fluid flow without the need for expensive components, thus maintaining low manufacturing costs while ensuring effective fluid condition monitoring.
Implementation Method 1
droops by its own weight
Implementation Method 2
rises so as to block the check window in response to a pressure of the fluid
Data Source
AI summary
A fluid check piping of an embodiment includes a piping main body, a check window, and a check plate. The piping main body is arranged along a horizontal direction, and a fluid flows through an inside of the piping main body. The check window is provided on an upper portion of a circumferential wall of the piping main body, and the inside of the piping main body is capable of being viewed from an outside of the piping main body. The check plate is provided on an inner circumferential surface of the piping main body, is rotatably arranged side-by-side with the check window, droops by its own weight, and rises so as to block the check window in response to a pressure of the fluid.