Juicing devices and methods
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Solution Overview
Problem
Existing juicing devices often produce low-quality juice due to heating, aeration, and retention of food particulates, are difficult to clean, and are not well-suited for processing a variety of foods, leading to inefficiencies and health concerns.
Innovation Solution
The juicing devices employ a cold pressing method with a disposable filter and self-filtration mechanism, featuring a grinder assembly and press chamber that minimizes particulate retention and allows easy cleaning, and are designed to handle diverse foods efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If centrifugal force is used to spin pulp against a screen, then juice extraction speed is improved, but juice quality deteriorates due to heating, aeration, and particulate retention
Solution Approach 1:
The juicing process is divided into two separate stages: first grinding/shredding the produce, then pressing it through a screen. This segmentation allows each stage to be optimized independently - the grinding stage extracts juice efficiently while the pressing stage filters particulates without causing heating or aeration that would occur in centrifugal systems.
Solution Approach 2:
A screen is introduced as an intermediary component between the grinding mechanism and the juice collection system. The screen acts as a filter that separates juice from particulates during the pressing stage, preventing particulate retention in the final juice while maintaining high extraction efficiency.
2Manufacturing precision
If traditional juicing devices with screens and cloths are used, then juice filtration is improved, but cleaning difficulty increases due to residual color and flavor retention
Solution Approach 1:
The screen is designed as a disposable component that can be easily replaced rather than cleaned. After use, the screen is discarded and a fresh screen is installed, eliminating the time-consuming cleaning process while maintaining consistent filtration quality. This is particularly valuable in commercial settings where quick turnover between different juice types is needed.
3Productivity
If cheese grater style blades with holes are used, then cutting efficiency is improved, but blade performance deteriorates due to fiber snagging and blunting
Solution Approach 1:
The holes traditionally present in cheese grater style blades are removed entirely. Instead of having holes that cause fibers to snag and blunt the blades, the design uses solid blade surfaces that continuously cut through fibrous materials like ginger and celery without obstruction, maintaining both cutting efficiency and blade sharpness.
4Productivity
If high-speed processing is used for fleshy and fragile produce, then processing speed is improved, but juice quality deteriorates due to deterioration, separation, and foam formation
Solution Approach 1:
The pressing process uses periodic, controlled application of pressure rather than continuous high-speed forcing. The platen advances gradually in stages, allowing the press chamber to process fragile produce gently at each stage while maintaining overall efficient throughput. This prevents the violent shearing forces that cause foam and separation in high-speed systems.
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 devices produce high-quality, nutritionally dense juice with consistent flavor and color, are easy to clean, and efficiently process a wide range of foods, reducing operational time and health risks.
Implementation Method 1
The juicing device can include a lead screw assembly that can be engaged with the movable platen
Implementation Method 2
The grinder assembly can process the food material to produce the ground food material
Data Source
AI summary
Various juicing devices, systems, and methods are disclosed. The juicing device has mechanical squeezers, combination blades, front trays, and/or control systems for effective pressing.