Dual-Pump Atomization Nozzle for Combustion-Free Aerosol Delivery
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Solution Overview
Problem
Existing smoking devices fail to provide enhanced functionality and efficient aerosol delivery without significant combustion or pyrolysis, lacking in features that replicate the sensations of traditional smoking while minimizing harmful by-products.
Innovation Solution
An aerosol delivery device incorporating a first pump for air flow and a second pump for liquid flow, with a nozzle to atomize the liquid, utilizing micro-pumps and a power source for controlled aerosol production, allowing for a range of flow rates and pressures, and featuring a removable or refillable reservoir with a variety of ingredients including tobacco and medicinal components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If electrical power is used to atomize aerosol precursor composition, then harmful combustion and pyrolysis products are minimized, but device complexity increases due to pumps and control systems
Solution Approach 1:
The patent replaces the mechanical combustion process with an electrical heating system. A heating element (resistor or coil) is used to vaporize the aerosol precursor composition, eliminating the need for combustion. This substitution of mechanical/chemical energy conversion with electrical energy directly addresses the harmful factors while introducing controlled complexity through electrical control circuits.
Solution Approach 2:
The patent controls the temperature and power parameters of the heating element to optimize aerosol generation without combustion. By adjusting electrical power input and heating temperature within specific ranges, the system achieves efficient atomization while avoiding the harmful thermal decomposition associated with combustion. This parameter control approach manages the complexity through electronic regulation.
2Adaptability or versatility
If multiple pumps are used to deliver air and liquid flows, then aerosol delivery functionality is enhanced, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent divides the aerosol delivery system into separate functional modules: a first pump for air delivery, a second pump for liquid precursor delivery, and a heating/atomization section. This segmentation allows each component to be manufactured and tested independently, then assembled into the complete device. The modular approach manages complexity by breaking down the manufacturing process into manageable stages.
Solution Approach 2:
The patent employs micro-pumps that can be configured for different flow rates and pressures, allowing the same pump type to serve multiple functions or be adapted for different aerosol delivery requirements. This universality reduces the need for entirely different components for each function, simplifying manufacturing while maintaining enhanced functionality.
3Manufacturing precision
If flow rates and pressures are controlled within specific ranges, then aerosol quality is improved, but device complexity increases due to control systems
Solution Approach 1:
The patent incorporates control circuits that monitor and adjust the power supplied to the heating element and the operation of the pumps to maintain optimal flow rates and temperatures. Feedback mechanisms ensure consistent aerosol quality by automatically compensating for variations in component performance and operating conditions, managing complexity through intelligent control rather than rigid mechanical constraints.
Solution Approach 2:
The patent uses dynamically adjustable flow control mechanisms that can adapt pump speeds and heating power in real-time based on operating conditions. This dynamic control allows the system to optimize aerosol quality across varying usage scenarios while managing complexity through electronic adjustment rather than fixed mechanical 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
The device effectively produces inhalable aerosols that mimic smoking sensations without combustion, offering versatility in ingredients and device configurations, including one-piece, two-piece, and three-piece designs, enhancing user experience and functionality.
Implementation Method 1
a nozzle configured to receive the flow of air and the flow of liquid and output the liquid in an atomized form
Data Source
AI summary
The present disclosure provides aerosol delivery devices having a variety of configurations and arrangements. Some aspects of the disclosure provide aerosol delivery devices having a first pump configured to deliver a flow of air; a second pump configured to deliver a flow of liquid; and a nozzle configured to receive the flow of air and the flow of liquid and output the liquid in an atomized form.