Removable Juice Press Chamber for Filter Integrity and Cleaning
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Solution Overview
Problem
Existing juice pressing machines face challenges in maximizing juice extraction efficiency, minimizing machine downtime, preventing solids and juice travel, and simplifying cleaning processes.
Innovation Solution
A juice pressing machine with a removable pressing chamber, lightweight permeable filters, and a funnel system that maintains filter integrity and supports even foodstuff layers for efficient juice extraction, using grooved surfaces to direct juice flow and minimize filter rupture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a heavy-duty filter is used to prevent rupture during pressing, then filter strength is improved, but filter cost increases and disposable use becomes less economical
Solution Approach 1:
The patent applies the disposable principle by using a paper filter that is inexpensive enough to be discarded after a single use. The filter is designed to be replaced rather than cleaned and reused, eliminating the need for complex cleaning procedures and ensuring consistent performance without degradation from repeated use. This resolves the contradiction by making the filter cheap enough to dispose of while maintaining adequate strength for the pressing operation.
Solution Approach 2:
The patent changes the physical parameters of the filter system by introducing a support structure (rigid frame or mesh) that provides mechanical reinforcement to the paper filter. This allows the use of a thinner, cheaper paper filter while maintaining the overall structural strength needed to prevent rupture during pressing. The parameter change transforms the filter from a single-layer paper element to a composite structure with distributed load-bearing components.
2Loss of time
If the pressing chamber is made easily removable for quick emptying, then machine downtime is reduced, but device complexity increases
Solution Approach 1:
The pressing chamber is segmented into separable components that can be quickly detached from the main machine body. The chamber includes a removable cover or door mechanism that allows rapid access to the interior for emptying the pressed material. This segmentation enables the chamber to be separated into discrete parts that are easy to handle and clean, reducing machine downtime while keeping the attachment mechanism simple through standardized connectors or friction-fit designs.
3Ease of manufacture
If the filter is made lightweight for cost reduction, then filter cost decreases, but filter rupture risk increases due to pressure exertion
Solution Approach 1:
The patent introduces an intermediary support structure (rigid frame, mesh, or skeleton) that acts as a mediator between the lightweight paper filter and the pressing force. This support structure distributes the mechanical load across multiple points, preventing concentrated stresses that would cause a lightweight filter to rupture. The intermediary element allows the filter to remain lightweight and inexpensive while maintaining reliability during the pressing operation.
4Productivity
If grooves are added to direct juice flow, then juice extraction efficiency is improved, but device complexity increases
Solution Approach 1:
The pressing chamber surfaces (platen and back wall) are equipped with grooves or channels that create localized flow paths for the extracted juice. These grooves are strategically positioned to direct juice toward collection areas, improving extraction efficiency by preventing pooling and facilitating continuous flow. The local quality modification adds functional features only where needed, rather than requiring complete redesign of the entire chamber structure.
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 juice extraction efficiency, reduces filter rupture risk, and simplifies machine cleaning by allowing disposable filters and quick chamber removal for emptying and rinsing.
Implementation Method 1
Foodstuff which preferably has been first macerated may be held in one or more permeable pressing filters
Implementation Method 2
the platen is moved to the extended position within the pressing chamber. As the platen pushes against the one or more filters and foodstuff, the foodstuff and filter(s) move toward the back wall of the pressing chamber and are pressed between the chamber back wall and platen
Data Source
AI summary
A juice pressing machine and methods for pressing juice from a foodstuff includes embodiments having a removable pressing chamber and one or more filters which may be assembled and loaded with macerated foodstuff to form thin layers separated by a pressing plate. Once a juicing operation has been completed, the pressing chamber can be removed from the machine for emptying the pressed filters and solids contents therein. The empty pressing chamber may then be rinsed if needed and reattached to the machine for a subsequent pressing operation with newly filled filter(s). The platen may also be easily removed from the machine for cleaning as desired.