Aerosol Generator Jet Pump Recirculation System
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Solution Overview
Problem
Existing aerosol generators face challenges with intermittent operation due to complex material compatibility, unknown and variable liquid recirculation quantities, and pressure differences that hinder continuous refilling and recirculation, leading to excessive consumption and hermetic seal issues.
Innovation Solution
The device incorporates non-return valves and jet pumps to manage pressure differences, allowing for uninterrupted operation by recirculating liquid from the collection container to the supply container and enabling manual refilling during operation, using pressurized gas to minimize dilution and maintain a hermetic seal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a liquid pump is used for recirculation, then liquid can be recirculated, but the device complexity increases and material compatibility becomes problematic
Solution Approach 1:
The patent uses jet pumps (a pneumatic device) instead of mechanical liquid pumps to recirculate liquid. The jet pump utilizes pressurized gas to create a vacuum effect that draws liquid from the collection container back to the supply container, eliminating the need for complex mechanical pumping systems while reducing material compatibility issues.
Solution Approach 2:
The system enables self-recirculation of liquid through the jet pump mechanism. The pressurized gas automatically creates the necessary pressure differential to move liquid from the collection container back to the supply container without requiring external pumping equipment or complex control systems.
2Productivity
If the nominal delivery capacity of the liquid pump is greater than the maximum quantity of liquid to be discharged, then intermittent movement of liquid and gas can be handled, but the device complexity and effort increase
Solution Approach 1:
The jet pump system uses pressurized gas to create a vacuum effect that automatically handles variable liquid quantities. The pneumatic mechanism inherently accommodates intermittent liquid and gas movement without requiring oversized pumps or complex flow control systems, as the pressure differential automatically adjusts to the liquid volume available.
3Duration of action of stationary object
If non-return valves and jet pumps are used to manage pressure differences, then continuous operation is enabled, but the device complexity increases
Solution Approach 1:
The system uses jet pumps operated by pressurized gas to manage pressure differences between containers. The pneumatic operation eliminates the need for complex mechanical seals and moving parts that would be required in mechanically-driven pressure management systems, enabling continuous operation with simpler components.
Solution Approach 2:
The patent extracts the pressure management function from complex mechanical systems and implements it through simpler pneumatic jet pumps with non-return valves. This separation of functions allows continuous operation while reducing overall device complexity by using passive pressure equalization mechanisms.
4Duration of action of stationary object
If manual refilling is enabled during operation, then uninterrupted aerosol generation is achieved, but hermetic seal issues may arise
Solution Approach 1:
The jet pump system uses pressurized gas to create a vacuum effect that can draw liquid from the collection container during operation without breaking the hermetic seal. The pneumatic mechanism allows for sealed refilling by utilizing pressure differentials to move liquid through sealed connections, maintaining system integrity while enabling continuous operation.
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 solution ensures continuous aerosol generation without interruption, prevents excessive liquid consumption, and allows for easy refilling, maintaining a hermetic seal and minimizing aerosol dilution, thus optimizing aerosol generation for industrial applications.
Implementation Method 1
the opening pressure of the first non-return valve is smaller than the pressure that can be achieved by the first jet pump
Implementation Method 2
the opening pressure of the second non-return valve is greater than the pressure difference between the supply container of the aerosol generator and the surroundings of the device for aerosol generation
Implementation Method 3
means for continuously suspending a certain amount of specific particles in a pressurized air stream in order to produce a compressed aerosol
Data Source
AI summary
The invention relates to devices for aerosol generation comprising a container holding a liquid, an aerosol generator having a supply container holding the liquid, and an apparatus for conditioning the aerosol of the aerosol generator, said apparatus having a collection container for liquid and an outlet for the aerosol, in a series connection, wherein the aerosol generator is connected to a pressurized gas generator. The invention also relates to uses of such devices. Said devices and uses are characterized in particular by interruption-free operation. For this purpose, the collection container is connected to the aerosol generator via a first non-return valve in the passage direction and via a first jet pump, wherein the opening pressure of the first non-return valve is smaller than the pressure that can be achieved by the first jet pump. Furthermore, the container is connected to the aerosol generator via a second non-return valve in the passage direction and via a second jet pump, wherein the opening pressure of the second non-return valve is greater than the pressure difference between the supply container of the aerosol generator and the surroundings of the device for aerosol generation and smaller than the pressure that can be achieved by the second jet pump.