Modular Meter Roller Segmentation for Variable Flow Control

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Solution Overview

Problem

Existing agricultural metering systems face inefficiencies in adjusting flow rates for different granular products, requiring time-consuming replacements of meter rollers to achieve desired application rates.

Innovation Solution

A modular meter roller system with multiple segments and a dividing ring configuration, allowing for selective blocking of product flow through a slide mechanism to accommodate various products and flow rates without replacing the entire meter roller.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If meter rollers are replaced to accommodate different granular products and flow rates, then adaptability to different products is improved, but loss of time and operational efficiency deteriorate

Engineering Contradiction:

Improveadaptability to different granular productsVSAvoidtime required for replacing meter rollers

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The meter roller is divided into multiple segments (first meter roller segment, second meter roller segment) with different flute profiles, allowing selective engagement of different segments to accommodate different granular products and flow rates without replacing the entire meter roller assembly

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A single meter roller assembly incorporates multiple segments with different profiles, making it universally adaptable to handle various granular products (seeds, fertilizer, etc.) with different sizes and desired application rates, eliminating the need for multiple dedicated meter rollers

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Device complexity

If a single meter roller is used for all products, then device complexity is reduced, but adaptability to different flow rates and product sizes deteriorates

Engineering Contradiction:

Improvesimplicity of meter roller configurationVSAvoidability to accommodate different product sizes and flow rates

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The meter roller is segmented into multiple functional sections, each with different flute profiles optimized for specific product types and flow rates, allowing the system to maintain simplicity while achieving versatility through modular segmentation

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The meter roller assembly incorporates movable components (slides, cutoff mechanisms) that can dynamically adjust which segments are engaged, allowing the system to adapt its configuration based on the specific product and flow rate requirements without changing the overall device structure

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS10816381B2Meter roller and cutoff system

Publication Date: 2020.10.27 CNH IND CANADA

AI summary

A system includes an agricultural metering system a meter roller configured to meter product from an agricultural product storage compartment to a product distribution system via rotation of the meter roller. The meter roller includes a first meter roller segment having a first plurality of flutes and a corresponding first plurality of recesses, and a second meter roller segment having a second plurality of flutes and a corresponding second plurality of recesses. The first meter roller segment includes a first profile, the second meter roller includes a second profile, and the first profile is different from the second profile. The system also has a dividing ring axially positioned between the first meter roller segment and the second meter roller segment.