Evaporator Insert with Capillary Wick for Leak-Tight Sealing
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Solution Overview
Problem
Current inhaler evaporator units often run dry or experience insufficient wetting, leading to high temperatures and the formation of pollutants, and are prone to leaks due to manufacturing issues, affecting aerosol quality and safety.
Innovation Solution
A standardized evaporator insert with a base part and flow channel, integrated with a liquid tank, featuring a cartridge or sleeve shape for versatile design, anti-rotation elements, and ventilation to prevent pressure differences, ensuring controlled liquid supply and improved sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wick-coil vaporizer unit is used with diverse geometries to fit various inhaler shapes, then adaptability to different inhaler designs is improved, but manufacturing precision and leak-tightness deteriorate due to complex geometries and manufacturing difficulties
Solution Approach 1:
The vaporizer system is divided into separate modular components: a standardized evaporator insert (with heating element and liquid reservoir) that can be independently manufactured with high precision, and an external housing that provides the geometric adaptation. This segmentation allows the critical evaporator components to be produced with consistent manufacturing precision while the external housing accommodates various inhaler shapes and sizes.
Solution Approach 2:
The evaporator insert is designed as a universal standardized component that can be integrated into multiple different inhaler designs and geometries. The standardized interface and dimensions allow the same evaporator unit to serve multiple applications, achieving versatility without compromising manufacturing precision through repeated customization.
2Ease of operation
If the vaporizer operates without sufficient liquid supply control, then ease of operation is improved, but temperature control deteriorates leading to temperatures above 250°C and harmful substance formation
Solution Approach 1:
The system incorporates feedback mechanisms through capillary wick structure and heating element design that automatically regulate liquid supply to the heating surface. The capillary action provides continuous liquid flow feedback to maintain optimal wetting of the heating element, preventing temperature runaway and harmful substance formation while requiring minimal user intervention.
Solution Approach 2:
The evaporator design enables self-regulating temperature control through the inherent properties of the capillary wick and heating element combination. The system automatically adjusts liquid distribution and heat transfer to maintain safe operating temperatures without requiring external control systems or complex user operations.
3Ease of manufacture
If liquid supply is uncontrolled in current vaporizer systems, then ease of manufacture is improved, but aerosol quality deteriorates due to uncontrolled vaporization influencing aerosol composition
Solution Approach 1:
The invention controls aerosol quality by changing the physical parameters of liquid delivery through standardized capillary dimensions and heating element geometry. These parameter specifications ensure consistent liquid film thickness and vaporization rate, producing reliable aerosol composition while maintaining manufacturing feasibility through standardized component production.
4Manufacturing precision
If a standardized evaporator insert design is implemented, then manufacturing precision is improved, but device complexity increases due to additional components like base part, shell side, and flow channel integration
Solution Approach 1:
The evaporator insert integrates multiple functions into a single standardized component: the base part, shell side, flow channel, heating element support, and liquid reservoir formation are merged into one monolithic or pre-assembled unit. This consolidation achieves manufacturing precision through standardization while actually reducing overall device complexity by eliminating the need for multiple separate parts and assembly steps.
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 provides consistent aerosol quality, prevents leaks, and ensures reliable operation across various inhaler designs, maintaining optimal temperatures and preventing pollutant formation.
Implementation Method 1
an electric vaporizer (3) for vaporizing liquid (2) supplied to the vaporizer (3)
Implementation Method 2
electric vaporizer (3) for vaporizing liquid (2) supplied to the vaporizer (3)
Data Source
Figure 1~2
Figure 3~4
Figure 5~7
AI summary
An evaporator insert (1) for an inhaler (27) comprises at least one electric evaporator (3) for evaporating liquid (2) supplied to the evaporator (3), and electrical contacts (10) for electrically connecting the evaporator insert (1) for supplying electrical energy and/or receiving control signals for the evaporator (3). The evaporator insert (1) has a base part (14) with opposing end faces (11, 12) and a jacket side (31) arranged around at least one flow channel (13) between the end faces (11, 12), wherein at least one liquid opening (15) for supplying evaporable liquid (2) from the outside into the evaporator insert (1) to the evaporator (3) is arranged on the jacket side (31) of the base part (14).