Removable Airbrush Spray Head for Clog Reduction

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Solution Overview

Problem

Media applicators, such as airbrushes, frequently clog due to narrow passages and high gas flow velocity, leading to time-consuming cleaning and waste when switching between media types, necessitating frequent replacement of the entire airbrush body and media reservoir.

Innovation Solution

A removable spray head design for media applicators, where the nozzle portion is detachable from the airbrush body, allowing for easy replacement without disconnecting from the media reservoir, and featuring a discharge tube that draws media into a pressurized gas flow for efficient media application and atomization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the nozzle passages are made narrow to achieve fine spray control, then the spray precision is improved, but the nozzle becomes prone to clogging

Engineering Contradiction:
Improvespray precisionVSAvoidnozzle clogging resistance
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The nozzle is divided into multiple separate components including a spray head, needle assembly, and body sections that can be easily disassembled and cleaned. This segmentation allows thorough cleaning of narrow passages without requiring complete nozzle replacement, resolving the contradiction between maintaining narrow precise passages and preventing clogging through easy maintainability.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the entire airbrush body is replaced to switch between different media types, then the cleaning requirement is eliminated, but the cost and waste increase

Engineering Contradiction:
Improvemedia switching convenienceVSAvoidmedia waste
Core Design Contradiction:
Ease of operationVSLoss of substance

Solution Approach 1:

The airbrush is segmented into a reusable body and replaceable spray heads. Users can attach different spray heads for different media types without cleaning the main body, eliminating cross-contamination while avoiding the waste associated with replacing entire airbrush units.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The airbrush body is designed as a universal platform that can accommodate multiple types of spray heads for different media applications. This multi-functionality allows single use of the body across various media types, reducing waste while maintaining ease of switching between applications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Loss of time

If the spray head is made detachable for easy cleaning, then the cleaning efficiency is improved, but the device complexity increases

Engineering Contradiction:
Improvecleaning timeVSAvoidassembly complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The spray head is designed as a detachable segment from the airbrush body with simple connection and disconnection mechanisms. This segmentation enables rapid removal for cleaning without complex assembly/disassembly procedures, reducing cleaning time while maintaining manageable device complexity.

Inventive Principle:
Principle #1Segmentation

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 reduces cleaning frequency, minimizes waste, and allows for quick switching between media types without cleaning the applicator, promoting consistent media flow and reduced costs by enabling the reuse of the airbrush body with different spray heads.

Implementation Method 1

pressurized gas flow from the first passage through the lumen draws a media contained in the media reservoir through the media tube into the discharge tube

Methodology Applied
Scientific EffectPressure difference: Pressure Gradient

Implementation Method 2

media from the media reservoir is introduced from the discharge tube into a flow of pressurized gas exiting the lumen of the nozzle portion

Methodology Applied
Scientific EffectGas flow entrainment: Entrainment

Data Source

PatentUS10099233B2Cosmetic air brush
Publication Date: 2018.10.16 DAH CHERNG STATIONERY
  • US10099233B2 patent drawing
  • US10099233B2 patent drawing
  • US10099233B2 patent drawing

AI summary

A media applicator includes an airbrush body couplable to a reservoir and defining a passage for conducting a gas, and a spray head couplable to the airbrush body. The spray head has a nozzle portion in fluid communication with a media tube extending into the reservoir, the nozzle portion defining a lumen in fluid communication with the passage when the spray head is coupled to the airbrush body. The nozzle portion further includes a discharge tube in fluid communication with the media tube, and situated such that gas flow from the passage through the lumen draws a media contained in the reservoir through the media tube into the discharge tube, and from the discharge tube into a flow of gas exiting the lumen of the nozzle portion. The spray head is detachable from the airbrush body to allow the nozzle portion to be carried away with the spray head.