Vaporization Chamber With Spaced Orifices for Scale Control

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing hair treatment appliances face challenges with scaling up of steam generators, leading to obstruction of water and steam outlets, especially when using tap water, which is impractical to filter and difficult to clean in compact designs.

Innovation Solution

A vaporization chamber with multiple spaced-apart orifices for introducing liquid water, allowing for even distribution and reduced risk of obstruction, maintaining efficient steam flow without additional components or coatings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the steam generator is scaled up to increase steam output, then the steam flow rate is improved, but the inlet orifice and steam outlet orifices become obstructed by scale

Engineering Contradiction:

Improvesteam flow rateVSAvoidorifice obstruction

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The single inlet orifice is divided into multiple smaller orifices (at least two, preferably three or more) spaced apart from each other. This segmentation distributes the water flow and scale deposition across multiple points, preventing any single orifice from becoming completely obstructed while maintaining overall steam generation capacity.

Inventive Principle:

Principle #1Segmentation

2Reliability

If a filtration system is installed to prevent scale accumulation, then the orifice obstruction is reduced, but the device complexity increases and pressure drops occur

Engineering Contradiction:

Improveorifice obstructionVSAvoidfiltration system

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The filtration function is extracted from the main water flow path and implemented passively through the chamber geometry itself. The chicanes and orifice arrangement create a filtering effect without requiring an active filtration system, thus avoiding additional complexity and pressure drops while still preventing scale accumulation at the outlets.

Inventive Principle:

Principle #2Taking out (Extraction)

3Ease of repair

If the vaporization chamber is made removable for cleaning, then the ease of repair is improved, but the device complexity increases and safety refitting becomes difficult

Engineering Contradiction:

Improvechamber cleaningVSAvoidremovable chamber

Core Design Contradiction:

Ease of repairVSDevice complexity

Solution Approach 1:

The vaporization chamber is designed to be self-cleaning through its geometric configuration. The chicanes and multiple orifices arrangement naturally prevent scale accumulation and allow easy disassembly for manual cleaning without requiring complex removable mechanisms, thus maintaining simplicity while enabling maintenance.

Inventive Principle:

Principle #25Self-service

4Reliability

If distilled or demineralized water is used to prevent scale, then the orifice obstruction is prevented, but the ease of operation deteriorates as users prefer tap water

Engineering Contradiction:

Improveorifice obstructionVSAvoidwater usage

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The design converts the harmful effect of scale-forming tap water into a beneficial self-cleaning mechanism. The multiple orifices and chicanes arrangement allows scale to deposit in controlled locations rather than obstructing outlets, transforming the problem of using tap water into an advantage for passive scale management without requiring water filtration.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 effectively prevents obstruction and ensures consistent steam delivery, even with tap water, by distributing scale formation uniformly within the chamber, thus maintaining optimal steam output.

Implementation Method 1

a heating element positioned in the vaporization chamber and configured to heat the vaporization chamber to a temperature sufficient to cause the liquid water to evaporate

Methodology Applied

Scientific EffectEvaporation: Evaporation

Implementation Method 2

a heating element positioned in the vaporization chamber and configured to heat the vaporization chamber

Methodology Applied

Scientific EffectHeating: Heating

Implementation Method 3

The inlet or inlets for feeding liquid product have, together, a plurality of orifices that open into the interior of the vaporization chamber and are spaced apart from one another

Methodology Applied

Scientific EffectFluid flow distribution:

Implementation Method 4

the particles of scale therefore have to be retained in the vaporization chamber. This is achieved conventionally by equipping the vaporization chamber with one or more chicanes

Methodology Applied

Scientific EffectScale deposition: Deposition (physical)

Data Source

PatentUS20250311828A1Vaporization chamber for a hairstyling appliance that diffuses steam

Publication Date: 2025.10.09 LOREAL SA

AI summary

The present invention relates to a vaporization chamber for a hairstyling appliance that diffuses steam, comprising a hollow body defining a free interior space between at least one inlet for feeding liquid water to be vaporized and at least one outlet for the water in the form of steam, said steam chamber being characterized in that the inlet or inlets for feeding liquid water have, together, a plurality of orifices that open into the interior of the vaporization chamber and are spaced apart from one another.