Adjustable Shield Flowmeter In-Line Calibration
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Solution Overview
Problem
Existing flowmeters are complex and require skilled maintenance, making calibration and adjustments challenging, especially in dynamic systems and environments, where user-friendly maintenance solutions are lacking.
Innovation Solution
A flowmeter design featuring an adjustable protective shield with markers for visual flow rate indication, a housing assembly, and drainable fitting assemblies, allowing for in-line calibration and easy maintenance by adjusting the shield's position, with components like polycarbonate and borosilicate glass materials for durability and visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the flowmeter is designed with complex internal structures and multiple components, then the measurement functionality and precision are improved, but the ease of maintenance and calibration deteriorates
Solution Approach 1:
The flowmeter is divided into distinct functional modules: a float assembly for measurement, a protective shield assembly for calibration, and a housing assembly for structural support. This segmentation allows the protective shield to be independently adjusted without disassembling the entire flowmeter, enabling easy maintenance while preserving measurement precision through the specialized float and shield components.
2Ease of manufacture
If the flowmeter is designed with fixed components, then the manufacturing simplicity is improved, but the adaptability for calibration and adjustment deteriorates
Solution Approach 1:
The protective shield is designed as an adjustable component that can be repositioned along the flow path, transforming a static structure into a dynamic one. This allows the shield to be manufactured simply as a movable component with adjustment mechanisms, while providing the adaptability needed for calibration in different operating conditions without complicating the manufacturing process.
3Measurement precision
If the flowmeter requires skilled technician intervention for calibration, then the measurement accuracy is maintained, but the ease of operation deteriorates
Solution Approach 1:
The flowmeter incorporates a user-adjustable protective shield with visual flow scales that can be directly manipulated by the operator. The shield includes transparent or translucent portions allowing visual alignment with calibration marks, enabling operators to perform calibration independently without requiring skilled technicians, while maintaining accurate measurement through the precision engineering of the adjustment mechanism.
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 user-friendly calibration and maintenance of flowmeters, reducing the risk of malfunction and safety hazards by allowing adjustments to be made while in operation, ensuring accurate monitoring and extending the lifespan of the device.
Implementation Method 1
an inner conduit providing a flow path for pressurized fluid
Implementation Method 2
The protective shield can be made of polycarbonate
Implementation Method 3
The inner conduit can be made of borosilicate glass
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A flowmeter having an adjustable protective shield for calibrating the flowmeter is presented. The flowmeter includes an inner conduit providing a flow path for pressurized fluid, a protective shield having a plurality of markers providing a visible indicator of the flow rate of the pressurized fluid according to the position of the float in the flow path, and a housing assembly for receiving the inner conduit and the protective shield. The flowmeter also can include a fitting assembly for securely coupling the inner conduit, the flow label, and the housing assembly in-line within a pipeline path. The flowmeter can be calibrated by adjusting the position of the protective shield while in-line within the pipeline path.