Electromagnetic Pump Laminate Frame and Single Cap Valve
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Solution Overview
Problem
Electromagnetic pumps of the prior art require complex and costly valve systems with multiple components, leading to increased complexity and manufacturing expenses, and generate significant eddy currents due to structural support frames.
Innovation Solution
A simplified electromagnetic pump design featuring a single cap valve with a bowl-shape profile and O-ring seals, reducing the number of components and complexity, and incorporating a laminate ferromagnetic frame to minimize eddy currents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex valve system with multiple components is used, then fluid flow control is achieved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines multiple valve functions into a single integrated valve component. The valve body incorporates both the inlet valve and outlet valve functionalities, eliminating the need for separate valve components. This merging reduces device complexity while maintaining reliable fluid flow control through the piston chamber.
Solution Approach 2:
The single valve component performs multiple functions: it controls fluid entry into the piston chamber, controls fluid exit from the piston chamber, and prevents backflow. This multi-functional design replaces the traditional multi-component valve system, reducing complexity while achieving comprehensive fluid flow management.
2Strength
If a metallic frame structure is used, then structural support is provided, but eddy currents are generated
Solution Approach 1:
The patent replaces the traditional metallic frame with a laminate structure composed of non-conductive or electrically resistive materials. This composite construction maintains the necessary structural support for the pump components while preventing eddy current generation, as the laminate materials do not conduct electricity in the same manner as solid metal frames.
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 simplified valve system reduces manufacturing costs and complexity while effectively controlling fluid flow and minimizing backflow, and the laminate structure reduces eddy currents, resulting in a more efficient and cost-effective electromagnetic pump.
Implementation Method 1
a magnetic field which is generated by the coil when the coil conducts a current, so that the magnetic field generated by the coil when the coil conducts current can force the piston to move towards its second position
Implementation Method 2
generate significant eddy currents due to structural support frames
Data Source
AI summary
An electromagnetic pump includes a coil configured to conduct an alternating current, a cylinder, and a piston assembly. The piston includes a cavity configured to receive fluid and an aperture defined in a first end thereof The piston is arranged within the cylinder to define an interface between the piston and the cylinder, and the piston is configured to move linearly between a first position and a second position within the cylinder. The piston is positioned in the electromagnetic pump such that it is within a magnetic field which is generated by the coil when the coil conducts a current.