Seed Orientation Coil Assembly for Furrow Planting

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Solution Overview

Problem

Existing seed orientation systems fail to maintain the orientation of seeds after placement in a furrow, leading to inefficient planting and potential loss of seed orientation.

Innovation Solution

A seed orientation system that includes a seed collector, a seed transfer tube, and a seed orientation coil assembly, which uses air flow and a helical pathway to orient seeds tip-downward and maintain their orientation as they are deposited into a furrow.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If seeds are deposited into furrows using conventional methods, then planting operation is simple and quick, but seed orientation is not maintained after placement

Engineering Contradiction:

Improveseed orientation maintenanceVSAvoidplanting system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The planting system is divided into separate functional modules: a seed collector that receives seeds, a seed orientation coil assembly that orients seeds tip-downward, and a seed transfer tube that delivers oriented seeds to the furrow. This segmentation allows each component to perform its specific function while maintaining overall system manageability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The seed orientation coil assembly uses pressurized air flow to transport seeds through a helical pathway. The pneumatic system creates a controlled airflow that maintains seed orientation during transport and deposition, eliminating the need for complex mechanical handling mechanisms.

Inventive Principle:

Principle #29Pneumatics and hydraulics

2Reliability

If seeds are transported through conventional seed tubes, then transport is simple and direct, but seeds tumble and lose orientation during delivery

Engineering Contradiction:

Improveseed orientation maintenanceVSAvoidsystem fabrication complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The seed orientation coil assembly features a helical (curved) pathway instead of a straight tube. This curved geometry, combined with pressurized air flow, creates a controlled environment that prevents seed tumbling and maintains tip-downward orientation throughout the transport process.

Inventive Principle:

Principle #14Spheroidality (Curvature)

Solution Approach 2:

A pneumatic system with adjustable pressure controls the air flow through the helical pathway. This allows precise control over seed transport conditions, maintaining orientation without requiring complex mechanical guidance structures.

Inventive Principle:

Principle #29Pneumatics and hydraulics

3Manufacturing precision

If seeds are placed directly into furrows without orientation control, then planting speed is fast, but seed placement precision is poor

Engineering Contradiction:

Improveseed placement precisionVSAvoidplanting speed

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

Seeds are oriented tip-downward in the seed collector before being transported to the furrow. This preliminary orientation action ensures that seeds are already in the correct position for optimal placement, eliminating the need for post-placement adjustment and maintaining planting speed.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The controlled pneumatic delivery system gently deposits oriented seeds into the furrow, preserving their tip-downward orientation during the final placement phase. This allows high-speed operation while maintaining precise seed placement.

Inventive Principle:

Principle #29Pneumatics and hydraulics

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 system effectively maintains the orientation of seeds throughout the planting process, ensuring optimal seed placement and reducing seed tumbling and loss of orientation.

Implementation Method 1

the representative aerodynamic forces

Methodology Applied

Scientific EffectAerodynamic forces: Drag

Implementation Method 2

the representative centrifugal forces on the seed

Methodology Applied

Scientific EffectCentrifugal force: Centrifugal Force

Data Source

PatentUS20250063980A1Seed Retaining

Publication Date: 2025.02.27 PRECISION PLANTING LLC

AI summary

A method of depositing oriented seeds into a trench including forming a trench (299); depositing a foam (289) into the trench (299); and depositing seed (279) from a seed orientation device (270) into the foam (289) in the trench (299). Also, an agricultural row unit (200) having: a frame (204); an opening unit (260) connected to the frame (204) for opening a trench (299) as the row unit (200) moves in a direction of travel: a foam delivery tube (281) for delivering foam (289) into the trench (299) opened by the opening unit (260); and a seed orientation device (270) disposed rearward from the foam delivery tube (281) for delivering oriented seeds (279) in the foam (289) delivered by the foam delivery tube (281).