Pressurized Liquid Cartridge With Partition Wall
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Solution Overview
Problem
Existing liquid dispensers with pressurized cartridges face challenges in environmentally friendly production and disposal, as used cartridges often end up as waste.
Innovation Solution
A liquid cartridge design featuring a pressure chamber with separate gas and liquid chambers, an outlet valve for controlled liquid discharge, and a displaceable partition wall, allowing for efficient filling and recycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pump is used to dispense liquid, then liquid can be delivered reliably, but the device complexity increases and requires additional energy
Solution Approach 1:
The invention extracts and removes the pump from the system entirely. Instead of using a mechanical pump to deliver liquid, the system relies on the pressure differential created by the pressurized cartridge itself. The liquid is forced out through a valve mechanism by the internal pressure, eliminating the need for complex pumping machinery and reducing overall device complexity while maintaining reliable liquid delivery.
Solution Approach 2:
The pressurized cartridge is designed to be self-service, where the stored pressure within the cartridge automatically drives the liquid dispensing process without requiring external power sources or mechanical actuators. The system uses its own internal energy (stored pressure) to perform the work of liquid delivery, eliminating the need for pumps and reducing device complexity.
2Object-affected harmful factors
If the outlet valve is kept closed for safety, then liquid leakage is prevented, but the ease of operation decreases
Solution Approach 1:
The outlet valve is pre-configured in a closed position during manufacturing and storage, ensuring safety and preventing accidental leakage before use. The valve is designed to remain closed until the user intentionally activates it by inserting the cartridge into the dispenser, at which point the insertion action automatically opens the valve. This preliminary closed state maintains safety while the simple insertion action provides ease of operation when needed.
3Reliability
If the liquid cartridge is designed for single use, then reliability is improved, but waste increases and environmental impact worsens
Solution Approach 1:
The system is segmented into two distinct parts: a reusable dispenser unit and a disposable pressurized cartridge. The cartridge contains the liquid and pressure medium, while the dispenser contains the valve and dispensing mechanism. After use, only the cartridge is discarded while the dispenser remains for reuse. This segmentation reduces overall waste compared to disposable entire units while maintaining reliability through consistent cartridge quality.
Solution Approach 2:
The invention implements a system where the pressurized cartridge is designed for single use and disposal, while the dispenser unit is recovered and reused. The cartridge is discarded after contents are depleted, but the main dispenser infrastructure remains in place for continued use with new cartridges. This approach minimizes waste by recovering and reusing the more complex and expensive dispenser components while accepting the cartridge as a consumable item.
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 design enables simple production, efficient liquid discharge, and easy recycling, minimizing environmental impact by reducing waste and promoting sustainable practices.
Implementation Method 1
The pressure in the pressure chamber pushes the liquid through the outlet opening when the latter is opened.
Implementation Method 2
The pressure chamber of a liquid cartridge according to the invention comprises a displaceable or deformable partition wall, which divides the pressure chamber into a gas chamber and a liquid chamber.
Data Source
AI summary
A liquid cartridge has an outer body composed of at least two wall components and which surrounds a pressure chamber for receiving pressurized gas and pressurized liquid. The liquid cartridge has an outlet opening which penetrates one of the wall components. The liquid cartridge has an outlet valve component held movably or fastened on an inner side of the pressure chamber on at least one wall component, and which, in a closed state, prevents liquid from leaving the pressure chamber through the outlet opening. The outlet valve component can be transferred to an open state by application of force from the outside. For separation of gas and liquid in the pressure chamber, the pressure chamber includes a displaceable or deformable partition wall, which divides the pressure chamber into a gas chamber and a liquid chamber.