Velocity Reducing Pool Filter Port Design
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Solution Overview
Problem
Pool filters experience pressure drops due to manufacturing and plumbing limitations, leading to decreased hydraulic efficiency and increased energy consumption.
Innovation Solution
A velocity reducing tangential port is introduced in the filter housing, increasing the inlet port's cross-sectional area to slow fluid flow, thereby reducing pressure drops and enhancing hydraulic efficiency, while a diversion shield protects the filter cartridge from direct fluid flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the inlet port cross-sectional area is increased to reduce fluid velocity and pressure drop, then hydraulic efficiency is improved, but the filter housing manufacturing complexity increases
Solution Approach 1:
The patent changes the geometric parameters of the inlet port by increasing its cross-sectional area and implementing a tangential orientation. This parameter change reduces fluid velocity and pressure drop across the filter, directly addressing the energy loss issue while maintaining manufacturability through standard housing design modifications.
Solution Approach 2:
The patent introduces a tangential dimension to the inlet port orientation, positioning it tangentially to the circular cross-section of the filter housing. This dimensional change creates a rotating fluid flow pattern that distributes water evenly across the filter cartridge surface, reducing direct impact and improving hydraulic efficiency without complicating manufacturing.
2Duration of action of stationary object
If a diversion shield is added to protect the filter cartridge from direct fluid flow, then the filter cartridge life is extended, but the device complexity increases
Solution Approach 1:
The patent introduces a diversion shield as an intermediary component between the inlet port and the filter cartridge. This shield intercepts the incoming fluid flow and redirects it tangentially, preventing direct impact on the filter cartridge while distributing the flow evenly across the surface. The shield is a simple structural element that extends the filter life without significantly increasing device complexity.
3Productivity
If the inlet port is positioned tangentially to create rotating fluid flow, then hydraulic efficiency is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent employs asymmetric positioning of the inlet port, placing it tangentially to one side of the circular filter housing cross-section rather than centrally. This asymmetric arrangement naturally generates the desired rotating fluid flow pattern and even distribution across the filter cartridge. The tangential position can be achieved with standard manufacturing tolerances, avoiding excessive precision requirements.
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 solution reduces energy requirements for pool pump operation, improves filter performance, and extends the life of the filter cartridge by evenly distributing fluid flow and reducing direct impact on the filter media.
Implementation Method 1
Pool filters typically experience a pressure drop across the filter housing as water enters and exits through the fluid inlet and outlet of the housing
Implementation Method 2
The velocity reducing port of the filter housing slows the velocity of the fluid flow entering a pool filter by increasing the cross-sectional area of the inlet port
Implementation Method 3
the inlet section is tangentially positioned in the sidewall of the filter housing thereby creating a rotating fluid flow within the inner chamber of the filter housing
Implementation Method 4
the filter housing could include a diversion shield to divert the flow of water and protect the filter cartridge from direct fluid flow
Data Source
AI summary
A velocity reducing filter port is provided herein. More specifically, provided herein is a pool filter comprising a filter housing having a sidewall and a bottom wall defining an inner chamber, an inlet section positioned in the sidewall of the filter housing, an outlet section positioned in the sidewall of the filter housing, and a flow controller attached to the inlet section, the flow controller having a flow controller inlet, a flow controller outlet, and a wall therebetween, wherein the flow controller inlet has an inlet cross-sectional area and the flow controller outlet has an outlet cross-sectional area greater than the inlet cross-sectional area.