Inhaler Wick Dual Capillary Gap Design
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Solution Overview
Problem
Existing inhaler components require lengthy waiting periods for wick infiltration, leading to potential aerosol quantity reduction, local overheating, and degradation of vapor-air mixture or aerosol quality, especially in cases where the wick is not adequately supplied with liquid material.
Innovation Solution
Incorporating a second capillary gap to supply the wick from both sides, with the option of connecting all capillary gaps via a third gap for uniform liquid distribution, and using a multilayer printed circuit board to minimize structural complexity and ensure efficient liquid supply without increasing production costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If a single capillary gap is used to supply the wick with liquid material, then the device structure remains simple, but the waiting period for complete wick infiltration becomes excessively long
Solution Approach 1:
The single capillary gap is segmented into multiple capillary gaps (first capillary gap and second capillary gap) that supply liquid material to different sections of the wick simultaneously. This segmentation allows parallel infiltration processes, reducing the total waiting period while maintaining manageable structural complexity through modular design.
Solution Approach 2:
The liquid supply system transitions from a one-dimensional single gap configuration to a two-dimensional multi-gap arrangement. By distributing capillary gaps across different spatial positions and orientations, the system enables simultaneous multi-point infiltration of the wick, dramatically reducing infiltration time without proportionally increasing complexity.
2Reliability
If the wick is not adequately supplied with liquid material, then the device structure remains simpler, but local overheating and degradation of vapor-air mixture quality occur
Solution Approach 1:
Different sections of the wick are supplied by dedicated capillary gaps tailored to their specific requirements. The first capillary gap supplies the first wick section while the second capillary gap supplies the second wick section, ensuring localized adequate saturation. This prevents local overheating and maintains vapor quality without requiring a uniformly complex structure throughout.
Solution Approach 2:
The multiple capillary gaps are positioned and configured in advance to ensure that liquid material is already distributed throughout the wick before heating begins. This pre-distribution cushions against potential supply deficiencies during operation, preventing local overheating and degradation events before they can occur.
3Reliability
If peripheral regions of the wick are not adequately supplied with liquid material, then the capillary gap structure remains simpler, but the security of liquid supply is compromised
Solution Approach 1:
The wick is divided into multiple sections with dedicated capillary gaps for each. This segmentation ensures that peripheral regions receive direct liquid supply from their own capillary gaps rather than relying on diffusion from central regions, significantly improving supply security to previously underserved areas.
Solution Approach 2:
The capillary gaps act as intermediary structures that directly bridge the liquid material source to specific wick sections including peripheral regions. By positioning capillary gaps strategically, the system creates reliable intermediate supply paths that ensure even remote wick areas receive adequate liquid material.
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 significantly reduces the waiting period for complete wick infiltration by at least 50% and ensures reliable liquid supply to peripheral regions, enhancing the security and efficiency of the inhaler component's operation.
Implementation Method 1
a first capillary gap for the automatic supply of the wick with the liquid material, wherein a first end section of the wick extends into the first capillary gap
Implementation Method 2
an electric heating element for the evaporation of a portion of a liquid material
Implementation Method 3
a heating element for the evaporation of a portion of the liquid material
Implementation Method 4
a wick for the automatic supply of the heating element with the liquid material
Data Source
AI summary
The invention relates to an inhaler component for forming a vapor-air mixture and/or condensation aerosol by vaporizing a liquid material and optionally condensing the vapor formed, including: a heating element for vaporizing a portion of the liquid material; a wick for automatically supplying the liquid material to the heating element, wherein the wick comprises at least two end sections arranged apart from each other; a first capillary gap for automatically supplying the liquid material to the wick, wherein a first end section of the wick projects into the first capillary gap. In order that the heating element can be supplied more quickly and more reliably with the liquid material, a second capillary gap is provided, which receives therein the second end section of the wick.