Vaporizer Assembly with 3D Heater Coil for Flush Contact
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Solution Overview
Problem
Existing e-vaping devices face challenges in efficiently heating pre-vapor formulations due to suboptimal contact between the heater coil structure and the dispensing interface, leading to inefficient vapor generation and potential electrical shorts.
Innovation Solution
A vaporizer assembly with a heater coil structure that defines a three-dimensional surface, such as conical or paraboloid, and is configured to apply a mechanical force to the dispensing interface structure, ensuring flush contact and improved heat transfer, while the electrical lead structures are coupled independently of the heater coil to mitigate electrical shorts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the heater coil structure is directly coupled to the dispensing interface structure, then heat transfer efficiency is improved, but electrical shorts may occur
Solution Approach 1:
The device separates the heater coil structure from the dispensing interface structure by introducing an independent electrical lead structure. The heater coil is electrically connected to the power source through insulated leads rather than direct contact with the dispensing interface, segmenting the electrical and thermal pathways to prevent shorts while maintaining heat transfer efficiency.
Solution Approach 2:
The electrical lead structure acts as an intermediary between the heater coil and the power source. These insulated leads transmit electrical current without requiring the heater coil to be in direct electrical contact with the dispensing interface structure, thereby preventing electrical shorts while enabling efficient heating.
2Manufacturing precision
If the heater coil structure is pressed against the dispensing interface structure with mechanical force, then contact efficiency is improved, but device complexity increases
Solution Approach 1:
The device employs a dynamic compression mechanism where the heater coil structure is biased against the dispensing interface structure through spring force or elastic deformation. This dynamic approach ensures consistent contact pressure and efficient thermal coupling without requiring complex rigid positioning mechanisms, simplifying the overall assembly.
Solution Approach 2:
The mechanical properties of the heater coil structure or its mounting are designed to change under compression, such as elastic deformation of a support structure or spring-loaded contact. This parameter change enables self-adjusting contact pressure that maintains optimal thermal contact without requiring high-precision manufacturing or complex assembly procedures.
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
Enhances vapor generation efficiency by improving heat transfer and reducing the probability of electrical shorts, resulting in a more reliable and effective e-vaping experience.
Implementation Method 1
the vaporizer assembly is configured to heat pre-vapor formulation drawn from a reservoir by the dispensing interface structure
Implementation Method 2
applying heat to the drawn pre-vapor formulation to vaporize same
Implementation Method 3
The electrical lead structures may be coupled to opposite ends of the heater coil structure
Data Source
AI summary
A vaporizer assembly for an e-vaping device includes a heater coil structure, a set of electrical lead structures coupled to opposite ends of the heater coil structure, and a non-conductive connector structure connected to each of the electrical lead structures, such that the electrical lead structures are coupled together independently of the heater coil structure. The vaporizer assembly may contact a dispensing interface structure through the heater coil structure. The vaporizer assembly may heat pre-vapor formulation drawn from a reservoir by the dispensing interface. The heater coil structure may define a surface, and the vaporizer assembly may apply a mechanical force to the dispensing interface structure, such that the heater coil structure is in compression with the dispensing interface structure and the heater coil structure surface is substantially flush with a surface of the dispensing interface structure. The heater coil structure may define a three-dimensional surface.