Acoustic Mixer for Developer Mixing Using Resonant Frequency
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Solution Overview
Problem
Conventional developer production processes are inefficient, requiring lengthy mixing and cleaning times, leading to high costs and reduced yield, especially for small-scale shipments, due to the need for extensive blending and cleaning to prevent cross-color contamination.
Innovation Solution
A process utilizing acoustic mixing at a resonant frequency to mix toner and carrier particles within a sealed container, eliminating the need for extensive cleaning and reducing mixing time, allowing for quicker preparation and packaging of developers for shipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional mixing methods are used to blend toner and carrier particles, then the developer is produced with proper mixing, but the mixing time is lengthy and cleaning is required
Solution Approach 1:
The patent applies mechanical vibration through an acoustic mixer that generates resonant frequencies to rapidly mix toner and carrier particles. The vibration causes particles to move and collide, achieving uniform mixing in seconds rather than minutes, thus resolving the contradiction between mixing uniformity and mixing time.
Solution Approach 2:
The patent changes the mixing parameter from conventional mechanical agitation to acoustic resonance at specific frequencies. By tuning the acoustic mixer to resonant frequencies of the container and its contents, the mixing process becomes highly efficient, achieving thorough mixing rapidly without the need for extended mixing times.
2Reliability
If conventional mixing methods are used, then mixing can be performed, but cleaning is required to eliminate cross color contamination
Solution Approach 1:
The patent segments the mixing process by using individual sealable containers for each developer batch. Each container is mixed separately using the acoustic mixer, preventing cross-contamination between different colors or formulations. This segmentation eliminates the need for cleaning between batches while maintaining contamination prevention, thus resolving the contradiction between reliability and productivity.
Solution Approach 2:
The patent employs disposable or single-use containers that are sealed after loading with toner and carrier particles. These containers are used once and then discarded or set aside, eliminating the need for cleaning the mixing apparatus. This approach maintains contamination prevention (reliability) while dramatically improving manufacturing efficiency by eliminating cleaning steps.
3Reliability
If extensive cleaning is performed between batches, then cross color contamination is eliminated, but the yield and manufacturing efficiency are lowered
Solution Approach 1:
By segmenting the mixing process into separate sealed containers for each batch, the patent eliminates cross-contamination without requiring cleaning of the mixing apparatus. Each container is independently processed, ensuring contamination elimination while avoiding the productivity loss associated with cleaning operations.
Solution Approach 2:
The patent extracts the mixing process from a shared, cleanable apparatus and relocates it to individual sealed containers. This extraction removes the need for cleaning operations entirely, as each container is self-contained and does not require cleaning between uses, thus eliminating the trade-off between contamination elimination and yield.
4Manufacturing precision
If preparation, mixing, cleaning and packaging steps are performed, then developer is produced with proper quality, but the cost increases especially for small scale shipments
Solution Approach 1:
The patent segments the production process into loading, sealing, acoustic mixing, and packaging steps using individual containers. This segmentation eliminates the cleaning step entirely, reducing the number of operations required. For small-scale shipments, this reduction in steps directly lowers production costs while maintaining developer quality through controlled mixing in sealed containers.
Solution Approach 2:
The patent replaces conventional mechanical mixing with acoustic mixing using resonant frequencies. This substitution reduces mixing time from minutes to seconds, eliminating or minimizing the need for extensive mixing operations. The result is reduced production time and lower costs, particularly beneficial for small-scale shipments where each batch's profitability is critical.
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 approach significantly reduces mixing time, eliminates the need for post-mixing cleaning, and enhances manufacturing efficiency, enabling cost-effective production and increased yield, particularly for small-scale shipments.
Implementation Method 1
An acoustic mixer is provided for mixing the container, toner particles and carrier particles at a resonant frequency
Implementation Method 2
the toner and the carrier are mixed to become electrically charged with opposite polarities through triboelectrification
Data Source
AI summary
The present teachings describe an apparatus for mixing developer. The apparatus includes a first loader for dispensing a predetermined amount of toner particles into a container and a second loader for dispensing a predetermined amount and carrier particles in the container. A sealer seals the container. An acoustic mixer is provided for mixing the container, toner particles and carrier particles at a resonant frequency. A method of mixing developer is disclosed.