Food Waste Disposer Interlock with Magnetic Activation
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Solution Overview
Problem
Current batch feed food waste disposer interlock devices fail to adequately meet requirements for removability, magnetically activated switch activation, debris collection, and ease of use, safety, and durability when used with various food waste disposers, particularly in retrofitting existing installations.
Innovation Solution
A batch feed food waste disposer interlock device with a disk-shaped base, cylindrical collar, and magnetically activated switch mechanism, featuring a strainer basket and rotatable spindle seal that allows or blocks fluid flow, enabling activation and deactivation of the disposer based on seating position and facilitating easy cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a batch feed food waste disposer interlock device is designed to be removably seated in the sink flange with magnetically activated switches, then the device can be easily installed and removed for cleaning, but the device complexity increases due to the magnetic activation mechanism and multiple functional components
Solution Approach 1:
The interlock device is designed to perform multiple functions: it acts as a magnetic switch activator, a strainer basket for debris collection, a water flow control valve, and a removable cover. By combining these functions into a single universal device, the patent reduces the number of separate components needed while maintaining ease of installation and removal.
Solution Approach 2:
The patent merges the magnetic activation mechanism, strainer basket, and water flow control valve into a single integrated interlock device. This consolidation simplifies the overall system by reducing the number of separate parts that need to be installed and removed, while the magnetic mechanism provides the necessary activation functionality.
2Productivity
If the interlock device includes a strainer basket and rotatable spindle seal for debris collection and fluid control, then debris collection efficiency improves, but the device complexity increases due to additional moving parts and sealing mechanisms
Solution Approach 1:
The strainer basket is nested within the interlock device housing, and the rotatable spindle seal is nested within the basket structure. This nested arrangement allows multiple functional components to be contained within each other, maximizing space utilization while maintaining ease of assembly and disassembly for cleaning.
Solution Approach 2:
The rotatable spindle seal provides a dynamic sealing mechanism that can rotate to control water flow while maintaining a seal. This dynamic component allows the device to adapt its sealing and flow control functions based on operational needs, improving debris collection efficiency while keeping the structure relatively simple.
3Reliability
If the interlock device uses opposing magnets adjacent to the collar periphery for magnetic activation, then the activation reliability improves, but the manufacturing precision requirements increase due to precise magnet placement
Solution Approach 1:
The opposing magnets are pre-positioned in specific locations adjacent to the collar periphery during the manufacturing process. This preliminary placement ensures that when the interlock device is installed, the magnets are already in the correct positions to reliably activate the disposer without requiring complex adjustment or alignment procedures during installation.
Solution Approach 2:
The magnetic activation system is segmented into multiple opposing magnets distributed around the collar periphery. This segmentation provides multiple activation points, increasing the reliability of activation by ensuring that at least one magnet pair will align properly to activate the disposer, while allowing for some variation in manufacturing tolerances.
4Adaptability or versatility
If the device is designed to control water flow through the spindle seal mechanism, then fluid management capability improves, but the ease of cleaning decreases due to the sealed mechanism and moving parts
Solution Approach 1:
The strainer basket and spindle seal mechanism are designed to be easily extracted from the interlock device housing for cleaning. The basket can be removed to access and clean the sealing surfaces and moving parts, separating the cleaning task from the main device body and making maintenance simpler despite the presence of complex sealing mechanisms.
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 device provides a durable, lightweight, and safe solution for controlling food waste disposer operation, allowing easy installation and retrofitting, while ensuring efficient debris collection and fluid management, meeting the needs of versatility and convenience.
Implementation Method 1
The interlock device has opposing interlock device magnets adjacent the periphery of the substantially cylindrical collar... the interlock device activating the food waste disposer when the interlock device is removably seated in the sink flange and one of the opposing interlock device magnets is adjacent the switch magnet
Data Source
AI summary
An interlock device coupled to a magnetically activated switch when the interlock device is removably seated in a sink flange coupled to a food waste disposer, comprising: a base having interlock device magnets, a recessed seat having drain holes, a helical cam, a strainer basket adjoined to a rotatably mounted spindle having a handle adjoined thereto, opposing nubs, which travel within the helical cam, when the handle is twisted, a spindle mounted seal adapted to block flow through the interlock device, when the spindle mounted seal is releasably seated in the recessed seat, and allowing fluid to flow through the interlock device, when the spindle mounted seal is releasably unseated from the recessed seat; the interlock device activating the food waste disposer when the interlock device is removably seated in the sink flange and one of the interlock device magnets is adjacent a switch magnet of the magnetically activated switch.