Method and device for selective sorting of particles by size

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent describes a method and device for highly precise sorting or classification of particles based on their size, specifically their maximum length, width, or thickness. Unlike conventional 2D sieves, this invention uses three-dimensional (3D) sieve openings that allow for much more accurate size separation. The apparatus can be adapted to sort by any of the particle’s principal dimensions by adjusting both the geometry and physical properties of the sieve, such as the friction of the surfaces involved.

Use CasesContent extracted from patent full text and abstract with AI.

• Industrial sorting of bulk materials such as ores, minerals, or construction aggregates by size to optimize processing.
• Quality control and material preparation in agricultural processing, such as sorting seeds, grains, vegetables, or nuts by size.
• Pharmaceuticals or chemicals manufacturing to classify powders and granules for product uniformity and performance.
• Recycling industries to accurately separate different fractions of waste or secondary raw materials based on size.
• Food industry, for example to separate coffee beans, berries, or candies by specific size categories.
• Manufacturing of precise particle-based products, such as catalyst supports, electronic powders, or specialty abrasives.

BenefitsContent extracted from patent full text and abstract with AI.

• Significantly higher sorting accuracy and sharpness of separation compared to conventional 2D sieving techniques.
• Capability to separately control classification by length, width, or thickness, improving process flexibility.
• Reduction of clogging and jammed particles (less cleaning needed), thanks to the specific 3D structure of the sieve openings.
• Customizable sieve design (geometry and materials) for different particle types and size distribution requirements.
• Enhanced product quality and yield due to more accurate and consistent particle sizing.
• Broader range of applications across various industries due to the method's versatility and adaptability.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

Particles (1) are classified selectively according to their size, in industrial particle production. They are classified by three-dimensional sieve openings for particle geometries with a maximum length (a) or width (b) or thickness (c).