Removable Metering Device for Agricultural Products

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Solution Overview

Problem

Existing agricultural implements, such as seed drills, face difficulties in modifying, maintaining, and efficiently dispensing different types of agricultural products due to inflexible metering devices that require time-consuming adjustments and cleaning processes, and often trap products within bins, leading to incomplete dispensing.

Innovation Solution

The design includes a bin with metering devices secured to its bottom, featuring a removable lower housing and a calibration system with a tray and connection assembly for easy access and adjustment, allowing for efficient dispensing of various products without the need for tools, and incorporates flow tents to prevent product retention within the bin.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If previously-used metering devices were configured for a single type of agricultural product, then dispensing precision for that specific product was maintained, but adaptability to different agricultural products deteriorated

Engineering Contradiction:
Improveadaptability to different agricultural productsVSAvoidcomplexity of changing metering devices
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The metering device is designed with a universal metering chamber that can accommodate different types of agricultural products (seeds, fertilizers, pesticides) through a single standardized interface. The chamber includes adjustable components and removable inserts that allow it to function with various product types without requiring complete device replacement, thus achieving multi-functionality while maintaining operational simplicity

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of repair

If previously-used metering devices required complete removal for maintenance, then interior access was achieved, but time and effort for maintenance deteriorated

Engineering Contradiction:
Improveease of accessing interior spaceVSAvoidtime for maintenance and calibration
Core Design Contradiction:
Ease of repairVSLoss of time

Solution Approach 1:

The metering device is divided into separable components including a removable metering chamber, detachable metering elements, and modular housing sections. This segmentation allows operators to access the interior space and perform maintenance, cleaning, and calibration by simply removing specific components rather than dismantling the entire device, significantly reducing maintenance time and effort

Inventive Principle:
Principle #1Segmentation

3Productivity

If previously-used bins had fixed interior structures, then structural integrity was maintained, but product distribution efficiency deteriorated due to trapped product

Engineering Contradiction:
Improveefficiency of product distributionVSAvoidcomplexity of bin interior structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The bin interior incorporates dynamic elements such as adjustable flow guides, movable discharge chutes, and reconfigurable internal partitions that can be adjusted based on the type and properties of the agricultural product being stored and dispensed. This dynamic configuration optimizes product flow patterns to prevent trapping and ensure complete distribution, thereby improving productivity while maintaining manageable structural complexity

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3782449B1Metering device for agricultural product
Publication Date: 2023.08.02 GREAT PLAINS MANUFACTURING INC
  • EP3782449B1 patent drawingFigure 1
  • EP3782449B1 patent drawingFigure 2
  • EP3782449B1 patent drawingFigure 3

AI summary

A metering device (16) for dispensing agricultural product from a bin (14). The metering device comprises an upper housing (40) and a lower housing (42) removably engaged with the upper housings. The metering device further includes at least one metering wheel (44) positioned within an interior space presented by the upper housing or the lower housing.