Ordered-Pore Vaporizer Cartridge Atomizers for Thermal Loss Control
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Solution Overview
Problem
Vaporizer devices suffer from thermal losses due to the lack of thermal insulation in atomizers, leading to inefficiencies in vaporizing vaporizable materials and potential damage to internal components.
Innovation Solution
The use of a substrate with an array of ordered pores in the atomizer, combined with thermally insulating materials, to control the flow and heating of vaporizable material, reducing thermal losses and optimizing energy usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a wicking element is used to convey vaporizable material to the heating element, then the vaporizable material can be delivered to the heating zone, but thermal losses occur as heat is lost to the remaining vaporizable material in the reservoir chamber and to other areas of the device
Solution Approach 1:
The wicking element is divided into multiple segments with different thermal properties. The first wick segment has high thermal conductivity to efficiently conduct heat from the heating element, while the second wick segment has low thermal conductivity to minimize heat loss to the reservoir chamber. This segmentation allows the system to achieve both efficient material delivery and reduced thermal losses.
Solution Approach 2:
Different portions of the wicking element are assigned different thermal conductivity characteristics. The region closer to the heating element uses materials with higher thermal conductivity for efficient heat transfer, while regions closer to the reservoir use materials with lower thermal conductivity to prevent heat loss. This local differentiation of material properties optimizes both vaporization efficiency and thermal conservation.
2Productivity
If excess energy is supplied to ensure sufficient vaporization of the vaporizable material, then adequate vapor is generated, but additional thermal losses occur and structural integrity may be compromised
Solution Approach 1:
The heating system employs localized heating zones with different temperature characteristics. The first heating zone maintains a higher temperature for efficient vaporization, while the second heating zone operates at a lower temperature to prevent excessive heat exposure to the reservoir and surrounding structures. This localized temperature control enables adequate vapor generation without causing thermal damage.
Solution Approach 2:
The wicking element acts as an intermediary between the heating element and the reservoir chamber. By using wicking materials with controlled thermal conductivity, the system mediates heat transfer to ensure sufficient vaporization at the heating interface while limiting heat propagation to the reservoir, thereby preventing excess heating damage without compromising vapor generation.
3Ease of operation
If the microstructure of the wicking element is used for material transport, then the vaporizable material can be drawn through the wick, but it becomes difficult to control the amount and rate of material drawn
Solution Approach 1:
The wicking element is segmented into distinct functional zones with different microstructural characteristics. The first wick segment has a microstructure optimized for capillary action and material uptake, while the second wick segment has a microstructure designed for controlled material release and heat insulation. This segmentation provides predictable and controllable material flow rates without requiring overly complex single-structure designs.
Solution Approach 2:
The wicking element utilizes composite material construction combining materials with different thermal and capillary properties. This composite approach enables independent optimization of material transport characteristics and thermal management, providing controllable material flow rates while maintaining structural simplicity through the use of layered or zoned composite structures rather than complex monolithic designs.
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 configuration enhances thermal efficiency by minimizing energy consumption and preventing excess heating of residual material, thereby extending device lifespan and improving vaporization control.
Implementation Method 1
a heating element that vaporizes (e.g., causes a liquid or solid to at least partially transition to the gas phase) a vaporizable material
Implementation Method 2
a wicking element (e.g., a wick) that conveys an amount of a vaporizable material to a part of the atomizer that includes a heating element
Data Source
AI summary
Cartridges for vaporizer devices are provided. In one exemplary embodiment, a cartridge can include a reservoir housing that includes a reservoir chamber configured to selectively hold a vaporizable material, and an atomizer in fluid communication with the reservoir chamber. The atomizer includes a substrate having an array of ordered pores configured to draw a predetermined volume of vaporizable material from the reservoir chamber at a predetermined rate, and at least one heating material configured to selectively heat the at least a portion of the vaporizable material drawn into the substrate to generate a vaporized material. Vaporizer devices are also provided.