Linear Induction Sorter Shoe Assembly
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Solution Overview
Problem
Inventory systems face inefficiencies in resource utilization, leading to lower throughput, long response times, and increased backlogs due to the growing amount of inventory, resulting in poor system performance.
Innovation Solution
A container sorting system utilizing a conveyance assembly with a conveyance surface and shoe assemblies that are moved by linear induction motors to engage and redirect containers, allowing for efficient sorting and reorientation of inventory items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the amount of inventory stored at a single location increases, then the quantity of inventory increases, but resource utilization efficiency decreases and system performance deteriorates
Solution Approach 1:
The patent divides the inventory storage system into multiple sorting locations rather than using a single centralized location. This segmentation allows inventory to be distributed across multiple zones, improving resource utilization and system performance by preventing bottlenecks and enabling parallel processing of inventory items through different conveyance paths.
2Productivity
If traditional conveyance systems are used, then the device complexity is low, but the sorting efficiency and throughput are insufficient
Solution Approach 1:
The patent replaces traditional mechanical conveyance systems with linear induction motors that use electromagnetic fields to propel inventory items. This substitution eliminates mechanical contact and friction, enabling faster acceleration and deceleration, improving throughput, and allowing for more precise control of item movement without proportionally increasing system complexity.
Solution Approach 2:
The patent implements dynamic control of conveyance speed and direction using linear induction motors, allowing the system to adaptively adjust parameters based on real-time inventory flow requirements. This dynamic capability enables optimized throughput while maintaining manageable system complexity through flexible, programmable control.
3Productivity
If linear induction motors are used to move shoe assemblies, then the sorting speed and efficiency improve, but the use of energy increases
Solution Approach 1:
The patent employs linear induction motors that operate in periodic cycles, activating motors only when and where inventory items need to be sorted rather than continuous operation. This periodic activation pattern maintains high sorting efficiency while significantly reducing overall energy consumption compared to continuously operating mechanical conveyance systems.
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 enhances inventory management by improving throughput and reducing backlogs through efficient sorting and reorientation of containers, optimizing space and equipment usage.
Implementation Method 1
A shoe assembly (300) including a shoe (301) and a slat (302). The shoe (301) can be moved along the conveyance surface using a linear induction motor
Implementation Method 2
Linear induction motors can be positioned beneath the conveyance surface. The linear induction motors can be energized to generate a magnetic field
Data Source
AI summary
A container sorting system can receive a container on a conveyance surface and convey the container in a conveyance direction. A linear induction motor positioned relative to the conveyance surface (e.g., below) can generate a magnetic field that causes movement of a shoe coupled to the conveyance surface. The shoe can move relative to the conveyance surface and engage the container to change the movement direction of the container. The movement direction of the container can be changed to move the container off of the conveyance surface.