Tankless Water Heater Inlet Filter Tool for Damage-Free Removal
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Solution Overview
Problem
Tankless water heaters require regular maintenance, particularly the removal and replacement of the water inlet filter, which can be difficult due to its design, necessitating a tool for easier access and handling.
Innovation Solution
A tool with a base portion for socket engagement and a head portion configured to fit inside the filter cap, featuring reciprocal engagement devices such as slots or tabs, allowing for easy rotation and removal or installation of the inlet filter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional tools like channel locks or needle nose pliers are used to remove the inlet filter, then the filter can be removed, but the filter cap or tankless water heater may be damaged and the operation becomes difficult in confined spaces
Solution Approach 1:
The patent introduces a specialized removal tool as an intermediary device between the traditional tools and the filter cap. This tool features a head portion that fits inside the filter cap and reciprocal engagement devices that engage with the engagement device along the inner periphery of the filter cap, allowing for controlled removal without damaging the cap or surrounding components.
Solution Approach 2:
The removal tool is divided into distinct functional segments: a base portion with a polygonal shape for socket engagement, a head portion with a circular shape that fits inside the filter cap, and reciprocal engagement devices (slots or tabs) that interface with the filter cap's engagement device. This segmentation allows each part to perform its specific function efficiently.
2Reliability
If the inlet filter is designed with an engagement device along the inner periphery of the filter cap for secure installation, then the filter is securely held, but the filter becomes difficult to remove without specialized tools
Solution Approach 1:
The removal tool incorporates dynamic elements including reciprocal engagement devices that can slide or rotate within the filter cap, and a base portion that converts rotational motion into the necessary movement to disengage the filter. The tool transitions from a static gripping position to an active removal motion through the socket engagement and rotation.
Solution Approach 2:
The specialized tool acts as an intermediary that bridges the secure engagement design of the filter and the user's ability to remove it. The head portion fits inside the filter cap while the reciprocal engagement devices engage with the inner periphery engagement device, creating a controlled interface that allows removal without compromising the secure installation design.
3Object-affected harmful factors
If a specialized removal tool with a head portion fitting inside the filter cap is used, then the filter can be removed safely, but the tool structure becomes more complex
Solution Approach 1:
The tool is segmented into three main components: a base portion with a polygonal shape for socket engagement, a head portion with a circular shape that fits inside the filter cap, and reciprocal engagement devices (either slots or tabs). This segmentation allows for modular manufacturing and assembly while keeping each component relatively simple in design.
Solution Approach 2:
The tool is designed with universal features that allow it to work with standard socket sizes and common filter cap designs. The base portion can engage with standard sockets, and the head portion dimensions are configured to fit typical filter cap interiors, making the tool broadly applicable rather than highly specialized.
Data Source
AI summary
A tool for removing a tankless water heater inlet filter includes a base portion having a hexagonal shape and size configured to be engaged by a socket. The tool also includes a head portion coupled to and aligned with the base portion and configured and sized to fit inside a filter cap of the tankless water heater inlet filter, wherein the inlet filter is for installation in a tankless water heater inlet line and has an engagement device along an inner periphery. In addition, the tool includes at least one reciprocal engagement device of the head portion configured to engage with the engagement device of the filter cap and as a result of rotating the base portion causes the inlet filter to rotate.