Iron Limescale Removal Device with Automatic Mechanical Scraping
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Solution Overview
Problem
Existing irons face issues with non-homogeneous limescale deposition in the evaporation chamber, leading to reduced heat exchange capacity, uneven steam diffusion, and potential limescale particles escaping, which require frequent and complex maintenance to remove.
Innovation Solution
An iron with an integrated limescale removal device that automatically scrapes limescale from the evaporation chamber using mechanical means, moving along a longitudinal axis when the iron is in a vertical rest position, preventing solidification and ensuring regular removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thermal shocks are used to remove limescale, then limescale deposits can be broken and expelled, but the operations must be carried out regularly or the encrustations become too thick to remove effectively
Solution Approach 1:
The patent applies preliminary action by providing a removable device with a heating element that can be inserted into the evaporation chamber before water is added. This allows the heating element to pre-heat the chamber walls and create controlled thermal shocks that prevent limescale from adhering strongly to surfaces, addressing the problem before it becomes severe.
Solution Approach 2:
The patent implements self-service through an automatic mechanism that tilts the iron to a specific angle, causing water to flow over the heating element and chamber walls, creating thermal shocks that automatically remove limescale deposits without requiring user intervention for manual cleaning.
2Reliability
If chemical products are used to prevent limescale formation, then limescale accumulation is reduced, but the solution becomes more complex and expensive
Solution Approach 1:
The patent replaces chemical prevention methods with a mechanical/thermal system. Instead of using chemical additives in the water, the invention uses a heating element and controlled thermal shock mechanism to physically prevent limescale adhesion and facilitate its removal, thereby reducing device complexity and eliminating the need for chemical products.
3Reliability
If limescale removal devices are inserted into the evaporation chamber, then limescale can be removed, but the devices require frequent user intervention to maintain effectiveness
Solution Approach 1:
The patent implements self-service through an automatic mechanism that tilts the iron to a specific angle, causing water to flow over the heating element and chamber walls, creating thermal shocks that automatically remove limescale deposits without requiring user intervention for manual cleaning.
Solution Approach 2:
The patent applies periodic action by designing the system to automatically perform limescale removal at regular intervals through controlled thermal shocks generated by the heating element, ensuring consistent maintenance of the evaporation chamber without requiring frequent manual user intervention.
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 solution effectively prevents limescale accumulation and solidification, maintaining efficient steam flow and iron performance without frequent user intervention, extending the iron's lifespan.
Implementation Method 1
an electrically heated element, the water arriving from the tank is transformed into steam
Implementation Method 2
generate thermal shocks, by heating the plate and injecting cold water onto the heated plate, in order to break the limescale deposits
Implementation Method 3
the water arriving from the tank is transformed into steam
Data Source
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AI summary
Iron (10) provided with a limescale removal device (30), inserted in an evaporation chamber and comprising mechanical removal means (31) configured to contact a lower surface (22) of said evaporation chamber (21), with which there is associated an automatic drive device (40).