Passive Fluid Dosing Assembly Bypass Design
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Solution Overview
Problem
Existing liquid filtration systems are limited in removing dissolved contaminants and often require active components, leading to increased complexity and risk of mechanical failure, while passive systems struggle to effectively treat flowing liquids without additional components.
Innovation Solution
A passive fluid dosing system that uses a pressure plate and treatment enclosure to generate a treating solution by diverting a portion of the liquid flow through a solute chamber, allowing for proportional dosing without active components, utilizing pressure differences to propel the liquid through the treatment path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If porous filtration devices are used to remove additives from water, then certain larger additives may be filtered out, but dissolved contaminants cannot be removed and treatment efficacy is limited
Solution Approach 1:
The patent changes the treatment mechanism from physical filtration to chemical treatment by introducing treatment media (such as activated carbon, ion exchange resin, or oxidation media) that can chemically interact with and remove dissolved contaminants. This parameter change enables the system to address dissolved contaminants that physical filtration cannot handle.
Solution Approach 2:
The patent introduces treatment media as an intermediary substance between the water and the filtration process. This media chemically interacts with contaminants to transform them into removable forms, enabling effective removal of dissolved substances without requiring complex mechanical systems.
2Reliability
If the efficacy of filtration devices is increased, then better treatment is achieved, but upstream water pressure increases and downstream water pressure decreases
Solution Approach 1:
The patent extracts the high-pressure treatment process from the main water flow path by using a bypass arrangement. Treatment media are placed in a parallel path where water can be treated under controlled conditions, then the treated water is mixed back with the main flow, avoiding pressure buildup in the primary system.
Solution Approach 2:
The patent segments the water treatment process into separate functional zones: a main flow path for water delivery and a bypass path for treatment. This segmentation allows treatment to occur without interfering with the pressure dynamics of the primary water supply system.
3Reliability
If the efficacy of the filtration system is increased, then better contaminant removal is achieved, but the time needed to treat water greatly increases
Solution Approach 1:
The patent ensures continuous water flow through the system by using a bypass arrangement rather than treating all water sequentially through a long filtration path. Water continuously flows through the treatment media in the bypass path and mixes back with the main flow, maintaining continuous treatment without significant delay.
Solution Approach 2:
The patent applies treatment to only a portion of the water flow through the bypass path rather than requiring all water to pass through an extended treatment sequence. This partial action approach achieves effective contaminant removal while maintaining short overall treatment time.
4Ease of operation
If an active treatment system with pump and controller is used to inject neutralizing agents, then dosing can be controlled, but system complexity increases and risk of mechanical failure increases
Solution Approach 1:
The patent enables the water flow itself to perform the dosing function by using the kinetic energy and pressure of the flowing water to drive treatment media through the bypass path and facilitate mixing. The system serves itself without requiring external pumps or electronic controllers to inject treatment agents.
Solution Approach 2:
The patent replaces the mechanical pump and electronic controller system with a passive fluid dynamics-based dosing mechanism. Water pressure and flow velocity naturally drive the treatment process, substituting complex mechanical-electronic systems with simple hydrodynamic principles.
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 system effectively treats flowing liquids by generating a treating solution that mixes with the primary flow, reducing the need for active components and minimizing pressure variations, thus providing a reliable and efficient treatment without increasing treatment time or system complexity.
Implementation Method 1
The pressure plate may define an internal orifice to decrease liquid pressure downstream from the pressure plate
Implementation Method 2
utilizing pressure differences to propel the liquid through the treatment path
Data Source
AI summary
A passive fluid dosing assembly and system is provided. The passive fluid dosing system may include a passive dosing body, a pressure plate, and a treatment enclosure. The passive dosing body may define a primary flow path and a liquid treatment path. The primary flow path may be defined between a fluid inlet and a fluid outlet. The liquid treatment path may be defined between a high pressure port and a low pressure port, bypassing a portion of the primary flow path. The pressure plate may be disposed within the passive dosing body between the high pressure port and the low pressure port. The pressure plate may define an internal orifice. The treatment enclosure may be positioned in fluid communication between the high pressure port and the low pressure port along the liquid treatment path. The treatment enclosure may define a solute chamber housing a dosed media.