Shower Head pH Dosing With Venturi Cartridge Control
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Solution Overview
Problem
Existing water pH adjustment systems lack precision and are complex, making them unsuitable for residential settings, particularly for personal care applications where optimal skin and hair health is desired.
Innovation Solution
A shower head system with a chemical reservoir, venturi segment, and control valve to adjust pH levels, featuring a chemical cartridge for easy replacement and electronic control for precise pH adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If bulk chemical dosing systems are used to adjust water pH, then pH adjustment capability is achieved, but precision is insufficient and maintenance requirements increase
Solution Approach 1:
The patent employs disposable pH adjustment cartridges containing pre-measured chemical dosing components. These cartridges are replaced rather than maintained, eliminating complex maintenance requirements while achieving precise pH control through factory-calibrated chemical formulations and dosing mechanisms.
Solution Approach 2:
The system divides the pH adjustment function into separate modular cartridges that can be independently replaced. Each cartridge contains specific chemical compounds and dosing mechanisms, allowing precise pH adjustment without requiring the entire system to be maintained or calibrated as a single complex unit.
2Ease of operation
If inline water treatment devices are used, then pH adjustment is achieved, but installation complexity increases and suitability for residential settings decreases
Solution Approach 1:
The pH adjustment cartridges are designed to nest within standard showerhead assemblies or bathtub spout configurations. This nested design allows the complex pH adjustment functionality to be housed within a compact form factor that fits existing residential plumbing fixtures, simplifying installation while maintaining precise pH control capabilities.
3Reliability
If chemical dosing systems are used, then pH adjustment capability is provided, but maintenance requirements increase
Solution Approach 1:
The system uses disposable cartridges that are replaced rather than repaired. Each cartridge contains pre-filled chemical reservoirs and dosing mechanisms that maintain reliable pH adjustment throughout their service life, then are discarded and replaced, eliminating maintenance complexity while ensuring consistent performance.
Solution Approach 2:
The system is designed to discard used cartridges after their chemical supply is depleted and recover the functional units for refilling or replacement. This approach maintains reliability by ensuring fresh chemical supplies while simplifying maintenance through standardized replacement procedures rather than complex repair operations.
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 efficiently and accurately adjusts pH levels in shower water, providing a customizable and safe experience for personal care, addressing the inefficiencies and complexities of prior solutions.
Implementation Method 1
The venturi segment creates a Venturi effect to reduce fluid pressure as water flows through the neck section. The Venturi effect produced by the venturi segment draws the chemical additive from the chemical conduit into the water stream in the shower head conduit.
Data Source
AI summary
The present invention discloses a shower head system. The system comprises a shower head housing comprising a proximal end and a distal end. The proximal end comprises one or more water inlet apertures and the distal end comprises one or more water outlet apertures. The water inlet apertures are in fluid communication with a water source to receive raw water. The system comprises a shower head conduit in fluid communication with the water inlet apertures and the water outlet apertures. The shower head conduit comprises at least one chemical addition aperture. The system comprises a chemical storage system comprising a chemical reservoir comprising chemical outlet apertures and a chemical conduit. The chemical reservoir is configured to store chemical additive. The chemical conduit is in fluid communication with the chemical outlet apertures and the chemical addition aperture to add chemical additive to the water stream to adjust pH level.