Illuminated Water Filter Housing for Visible Service Reminders
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Solution Overview
Problem
Users often neglect to service water filters in refrigeration appliances and other locations due to inadequate visual reminders, leading to suboptimal filter maintenance despite existing indicator lights and messages, especially when filters are in hard-to-reach spaces.
Innovation Solution
A water filter assembly with a translucent outer casing and an illumination device that selectively illuminates based on usage factors, providing visual cues to the user about filter maintenance needs, which can be integrated into refrigeration appliances or other filtration systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If indicator lights or messages are placed on the front door panel or interior control panel, then users are reminded of filter maintenance, but users may ignore, press reset, or fail to locate the filter especially when it is in hard-to-reach spaces inside the cabinet
Solution Approach 1:
The patent introduces a translucent portion on the filter housing as an intermediary visual element that allows users to see the filter status (clean or dirty) directly through the cabinet door, eliminating the need to open the cabinet or locate the filter physically. The illumination device acts as a mediator to enhance the visibility of this translucent indicator, providing clear visual feedback without requiring user interaction with hard-to-reach filter locations.
Solution Approach 2:
The system provides direct visual feedback about filter condition through the translucent housing portion that changes appearance based on filter status. When the filter is dirty, the housing appears different (e.g., darker or obscured), giving immediate feedback to the user without requiring them to locate or inspect the filter closely. This feedback mechanism is enhanced by the illumination device that highlights the translucent portion when maintenance is needed.
2Strength
If the filter housing is made opaque for structural integrity and aesthetics, then the filter is protected and looks clean, but users cannot visually determine filter status without opening the cabinet
Solution Approach 1:
The filter housing is designed with a specific local quality - a translucent portion - that differs from the rest of the opaque housing. This localized translucency allows visual penetration to assess filter status while maintaining the overall structural integrity and aesthetic appearance of the opaque housing. The translucent portion is strategically placed to provide viewing capability without compromising the housing's strength or overall appearance.
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
Enhances user awareness of filter maintenance needs by providing a visible and logical indication of filter service requirements, ensuring more frequent and timely filter changes or cleaning, thus maintaining optimal performance.
Implementation Method 1
The outer casing has at least one portion that is at least partially translucent. An illumination device is mounted within the refrigerated compartment for selectively illuminating the portion of the outer casing that is at least partially translucent so that it is visible from outside of the refrigerated compartment when the door is open.
Data Source
AI summary
An assembly for filtering water includes a housing and a water inlet for supplying unfiltered water to the housing. A water filter includes an outer casing attached to the housing in communication with the water inlet and a filter medium within the outer casing. The outer casing has at least one portion that is at least partially translucent. The water filter filters the unfiltered water through filter medium to provide filtered water. A water outlet is attached to the housing for transferring filtered water from the outer casing to a device via the housing. An illumination device is mounted adjacent to the outer casing for selectively illuminating the portion of the outer casing that is at least partially translucent. Related refrigeration appliances incorporating such devices are also disclosed.