Immersive Showerhead Droplet Segmentation for Heat Retention
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Solution Overview
Problem
Conventional showerheads discharge large water droplets that quickly lose heat, leading to a cooler bathing environment due to rapid heat absorption by ambient air and surfaces, and they lack efficient mechanisms to maintain heat and humidity.
Innovation Solution
The showerhead design incorporates a combination of hollow cone, full cone, and flat fan nozzles that discharge a range of droplet sizes, with larger droplets forming a shielded environment to retain heat and smaller droplets conducting and radiating heat, along with jet orifices to inject larger drops for extended heat retention, and a fluid circuit that ensures fully developed flow to prevent turbulence and inconsistent spray patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional showerheads discharge large water droplets, then water consumption is high, but heat is quickly lost to ambient air and surfaces
Solution Approach 1:
The showerhead segments water discharge into multiple droplet size categories (fine mist, medium droplets, large droplets) through different nozzle types. This segmentation allows small droplets to retain heat longer while large droplets provide thermal shielding, achieving efficient heat retention without requiring excessive water consumption.
Solution Approach 2:
Different regions of the showerhead discharge different droplet sizes tailored to specific functions: fine mist nozzles for heat conduction and radiation, hollow cone nozzles for medium droplets providing balanced performance, and full cone nozzles for large droplets providing thermal shielding. This local quality optimization resolves the contradiction between heat retention and water consumption.
2Loss of energy
If large droplets are discharged to increase heat retention, then heat flux is maintained, but droplets quickly lose heat to ambient air and surfaces
Solution Approach 1:
The invention changes the parameter of droplet size distribution by incorporating multiple nozzle types that discharge droplets across a spectrum of sizes. This parameter change creates a multi-functional droplet system where small droplets conduct and radiate heat efficiently while large droplets provide thermal shielding, resolving the contradiction between heat retention and maintaining bathing environment temperature.
Solution Approach 2:
The shower system creates a composite droplet environment combining fine mist, medium droplets, and large droplets in specific proportions. This composite approach allows different droplet sizes to perform complementary thermal functions, maintaining heat flux while preventing rapid heat loss to the ambient environment.
3Loss of energy
If multiple nozzle types are used to discharge different droplet sizes, then heat retention is improved, but device complexity increases
Solution Approach 1:
The invention merges multiple nozzle types (fine mist nozzles, hollow cone nozzles, full cone nozzles) into a single integrated showerhead body with a unified fluid circuit. This merging approach achieves improved heat retention through diverse droplet sizes while minimizing device complexity by consolidating all nozzle functions into one cohesive structure rather than requiring separate systems.
4Reliability
If fluid flow is not fully developed, then turbulence occurs causing inconsistent spray patterns, but ensuring fully developed flow increases device complexity
Solution Approach 1:
The fluid circuit is designed with sufficient length and appropriate geometry to ensure fully developed flow reaches each nozzle before discharge. This preliminary action of establishing laminar flow conditions upstream of the nozzles guarantees consistent spray patterns and reliable operation, with the fluid circuit design itself serving as the solution rather than requiring additional active control mechanisms.
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
This design maintains a higher average temperature and humidity in the bathing environment by efficiently retaining heat through the combination of droplet sizes and flow patterns, achieving similar heat flux with reduced water consumption and providing a comfortable, immersive experience.
Implementation Method 1
smaller droplets conducting and radiating heat
Implementation Method 2
smaller droplets conducting and radiating heat
Implementation Method 3
larger droplets forming a shielded environment to retain heat
Data Source
AI summary
One variation of a showerhead includes: a body defining a fluid circuit, a first region on a ventral side of the body, and a second region adjacent the first region on the ventral side of the body; a set of hollow cone nozzles distributed within the first region, fluidly coupled to the fluid circuit, and discharging sprays of fluid droplets within a first size range; a set of flat fan nozzles arranged within the second region, fluidly coupled to the fluid circuit, and discharging sprays of fluid droplets within a second size range; and a set of orifices fluidly coupled to the fluid circuit and discharging fluid drops between sprays discharged from the set of hollow cone nozzles and sprays discharged from the flat fan nozzles, fluid drops discharged from the set of orifices within a third size range exceeding the first size range and the second size range.