Venturi Atomizer With Spring-Piston Air Supply for Transdermal Delivery
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Solution Overview
Problem
Existing liquid atomization devices for transdermal delivery require replaceable gas cartridges or external air compressors, making them bulky and difficult to handle and transport, and are not suitable for frequent use without frequent replacements.
Innovation Solution
A system utilizing a Venturi tube, cylinder, piston, and elastic member to create high-speed air internally for atomizing and ejecting liquid, eliminating the need for replaceable gas cartridges or external air sources, and allowing for compact, handheld operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If high pressure gas or compressed air is used for atomization, then atomization performance is improved, but device portability and ease of handling deteriorate
Solution Approach 1:
The invention extracts the air compressor function from an external device and integrates it into a compact self-contained mechanism using a spring-loaded piston system, eliminating the need for external air sources while maintaining atomization quality
Solution Approach 2:
The piston is nested within the cylinder, and the spring is contained within the piston structure, creating a compact integrated assembly that provides compressed air generation without increasing overall device footprint
2Manufacturing precision
If replaceable gas cartridges are used, then atomization performance is improved, but operational continuity deteriorates
Solution Approach 1:
The device generates its own compressed air supply through the spring-loaded piston mechanism, eliminating dependence on external gas cartridges and enabling continuous operation without frequent replacements
Solution Approach 2:
The spring is pre-comloaded during the inhalation phase, storing elastic energy that is subsequently released to drive the piston and generate compressed air for atomization, enabling repeated operation cycles
3Manufacturing precision
If external air compressors are used, then atomization performance is improved, but device complexity increases
Solution Approach 1:
The invention extracts only the essential compressed air generation function and implements it through a simple spring-piston mechanism, eliminating the complexity of full external air compressor systems while maintaining atomization effectiveness
Solution Approach 2:
The device uses pneumatic principles with the spring-loaded piston to generate compressed air flow that passes through the Venturi tube, achieving atomization through fluid dynamics rather than complex mechanical compression systems
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
Enables efficient, repeated atomization and ejection of liquids, including high molecular weight substances, with fine droplets suitable for shallow transdermal delivery, without the need for disposable power sources or external compressors, facilitating easy handling and mobility.
Implementation Method 1
a Venturi tube (200) comprising: a longitudinal central axis (X1); and an internal passage (210) extending along this longitudinal central axis (X1), wherein the internal passage (210) is fluidly connected to the tank (100) via an orifice (220) defined in the Venturi tube (200), wherein the internal passage (210) comprises: a converging section (230); a diverging section (240); and a throat section (250) located between the converging section (230) and the diverging section (240)
Implementation Method 2
an elastic member that is deformed according to the displacement of the piston and stores an elastic energy therein while the piston is being displaced in the direction in which the volume of the air intake space increases
Data Source
AI summary
The present invention relates to a system (10) for atomizing and ejecting a liquid (L) for a transdermal delivery. The system (10) comprises: a tank (100) for holding the liquid (L); a Venturi tube (200) comprising a longitudinal central axis (X1) and an internal passage (210) extending along the axis (X1), wherein the internal passage (210) is fluidly connected to the tank (100) via an orifice (220) defined in the Venturi tube (200), wherein the internal passage (210) comprises a converging section (230), a diverging section (240) and a throat section (250) located between the converging and diverging sections (230, 240); a cylinder (300) comprising a longitudinal central axis (X2), an end wall (310) orthogonal to the axis (X2), a circumferential wall (320) extending from the end wall (310) along the axis (X2) and an outlet hole (330) formed on the end wall (310), wherein the outlet hole (330) is fluidly connected to an inlet (232) of the converging section (230); a piston (400) arranged in the cylinder (300) so as to be displaceable in the cylinder (300) along the axis (X2), wherein the piston (400) defines an air intake space (V) in the cylinder (300) in cooperation therewith, wherein the air intake space (V) fluidly communicates with the inlet (232) of the converging section (230) via the outlet hole (330); a driving unit (500) for displacing the piston (400) in a direction in which a volume of the air intake space (V) increases; and an elastic member (600) that is deformed according to the displacement of the piston (400) and stores an elastic energy therein while the piston (400) is being displaced in the direction in which the volume of the air intake space (V) increases. The driving unit (500) comprises an elastic energy release mechanism (M) that releases the elastic energy stored in the elastic member (600), thereby causing the piston (400) to rush in a direction in which the volume of the air intake space (V) decreases.