Three-Way Valve Assembly With Interchangeable Traveler Flow Tuning
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Solution Overview
Problem
Existing fluid application systems, such as those used in agriculture, often require separate valves for different flow rate requirements, as they are designed for a single traveler and spring configuration, limiting flexibility and efficiency in adjusting flow rates based on fluid pressures.
Innovation Solution
A three-way valve assembly with a diaphragm drip check and a sensing assembly, including a magnetically actuated plunger and sensor system, allows for interchangeable travelers and springs to adjust flow rates and pressure differentials, enabling precise control over fluid flow through interchangeable components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single traveler and spring configuration is used in the valve assembly, then the valve is designed to output flow rates according to a single flow curve, but different valve performance cannot be obtained without obtaining a separate valve
Solution Approach 1:
The valve assembly is designed with a universal housing that can accommodate multiple different traveler and spring configurations. The housing includes a traveler reception cavity that receives different travelers, and a spring reception cavity that receives different springs, allowing a single valve assembly to perform multiple different flow rate functions by simply changing the internal components rather than replacing the entire valve
Solution Approach 2:
The valve assembly is segmented into separate functional components: the housing structure, the traveler component, and the spring component. This segmentation allows each component to be independently selected and replaced to achieve different flow curves, with the traveler defining flow characteristics through its geometry and the spring providing biasing force, enabling flexible reconfiguration without redesigning the entire valve assembly
2Adaptability or versatility
If separate valves are obtained for different valve performance, then different flow curves can be achieved, but the number of valves and system complexity increases
Solution Approach 1:
A single universal valve assembly housing is designed to accommodate multiple different traveler and spring configurations, allowing one valve to replace multiple specialized valves. The housing includes standardized reception cavities that can receive different travelers with various geometries and different springs with varying force characteristics, enabling multiple flow curve options from a single valve body
Solution Approach 2:
The invention merges the functions of multiple specialized valves into a single universal valve assembly by combining the housing structure with interchangeable internal components. Instead of having separate valves for different flow requirements, the system combines various travelers and springs within one housing, reducing the total number of valves needed while maintaining flow curve diversity
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
Facilitates customizable and adjustable flow rates and pressure differentials, enhancing the flexibility and efficiency of fluid application systems by allowing for tailored flow curves without needing multiple valves.
Implementation Method 1
at least one magnet coupled to the diaphragm and generating a magnetic field, and a sensing assembly. The plunger is operatively coupled to the diaphragm such that deflection of the diaphragm causes corresponding displacement of the plunger. The sensing assembly includes a printed circuit board and at least one sensor, the printed circuit board positioned on the housing assembly such that the at least one sensor is affected by the at least one magnet as the plunger is displaced within the sensing chamber
Data Source
AI summary
A three-way valve assembly includes a housing assembly and a diaphragm drip check. The housing assembly defines an inlet, a return outlet, a dispensing outlet, a return flow path extending from the inlet to the return outlet, and a dispensing flow path extending from the inlet to the dispensing outlet. The diaphragm drip check includes a plunger and a diaphragm retained within a sensing chamber, at least one magnet coupled to the plunger and generating a magnetic field, and a sensing assembly. The plunger is operatively coupled to the diaphragm such that deflection of the diaphragm causes corresponding displacement of the plunger. The sensing assembly includes a printed circuit board and at least one sensor, the printed circuit board positioned on the housing assembly such that the at least one sensor is affected by the at least one magnet as the plunger is displaced within the sensing chamber.