Press-Fit Vaporizer Cartridge Assembly for Leak-Free Filling
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Solution Overview
Problem
Electronic vaporizer devices and cartridges face manufacturing, performance, and usability shortcomings, including challenges in filling, assembling, and ensuring leak-free and safe operation, particularly due to complex and costly equipment requirements and high production costs associated with manual labor.
Innovation Solution
A vaporizer cartridge device and system that allows for press-fit assembly of a mouthpiece and reservoir assembly after filling, utilizing complementary locking ridges and rings for a secure interference fit, along with a cartridge press system for rapid assembly of multiple cartridges, enabling mass production and enhanced safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual labor is used for filling and assembling cartridges, then flexibility and simplicity are maintained, but production costs are high and productivity is low
Solution Approach 1:
The cartridge system is divided into separate components (mouthpiece assembly and reservoir assembly) that can be manufactured independently and then assembled. This segmentation allows each component to be optimized for automated manufacturing while maintaining overall system flexibility, resolving the contradiction between manufacturing simplicity and productivity
Solution Approach 2:
The cartridge components are pre-assembled and pre-filled before final assembly. The reservoir is filled with vaporizable liquid before being coupled to the mouthpiece assembly, and locking features are pre-configured. This preliminary action enables faster final assembly and higher productivity while keeping the manufacturing process simple and flexible
2Productivity
If complex equipment is used for automated filling and assembly, then productivity increases, but device complexity and manufacturing costs increase
Solution Approach 1:
The cartridge components incorporate self-aligning and self-locking features that enable automated assembly without complex positioning equipment. The interference fit between mouthpiece and reservoir assemblies, along with complementary locking ridges and rings, allows the components to self-assemble under pressure, eliminating the need for sophisticated automated assembly machinery while maintaining high productivity
Solution Approach 2:
The design utilizes interference fit parameters and geometric tolerances to enable automated press-fit assembly. By carefully controlling the dimensional parameters of the mouthpiece and reservoir interfaces, the system achieves reliable automated assembly using simple pressing equipment rather than complex positioning and alignment systems
3Productivity
If press-fit assembly is used after filling, then assembly speed increases, but risk of leaking and disassembly increases
Solution Approach 1:
The design incorporates locking ridges and locking rings that engage before final press-fit completion to prevent leakage and disassembly. These preliminary locking features provide mechanical interlocking that secures the seal between components, cushioning against the risks of rapid press-fit assembly while maintaining assembly speed and reliability
4Reliability
If locking features are added for secure assembly, then reliability improves, but device complexity increases
Solution Approach 1:
The locking features (locking ridges and locking rings) are integrated directly into the mouthpiece and reservoir assembly structures rather than being separate components. This merging of locking functionality into the basic structural elements provides secure assembly and leak-free performance without adding significant structural complexity or additional parts
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 facilitates efficient, leak-free, and safe assembly of vaporizer cartridges, reducing production costs and time, while ensuring consistent performance and user safety through automated processes.
Implementation Method 1
a vaporizer assembly can comprise a wick, a heating element, and an electrical connector
Implementation Method 2
a vaporizer assembly can comprise a wick, a heating element, and an electrical connector
Implementation Method 3
The mouthpiece assembly and the reservoir assembly can be configured to provide an interference fit
Data Source
AI summary
Devices, systems and methods to facilitate partially automated production of fluid-filled vaporizer cartridges are disclosed. A device can include a vaporizer cartridge configured to be sealably assembled by a press-fit after filling. Systems and methods include systems and methods for filling an array of partially-assembled vaporizer cartridges and for assembling a array of filled, partially-assembled vaporizer cartridges simultaneously.