Materials, apparatus, and methods for electrically shielding components to be heated.
A conductive shielding system addresses the issue of electrical leakage in heating elements by returning leakage current to the neutral conductor, ensuring safe and continuous operation of GFCI-protected circuits.
JP2026518031APending Publication Date: 2026-06-03WAGSTAFF INC
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Patent Information
- Application Number
- JP2025561442
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-04-21
- Filing Date
- 2024-04-17
- Publication Date
- 2026-06-03
AI Technical Summary
Technical Problem
Electric heating elements used in various applications face issues with electrical leakage due to insulating materials becoming conductive at high temperatures, leading to unbalanced loads that can trip Ground Fault Circuit Interrupters (GFCIs), especially when used in conjunction with molten metals.
Method used
The implementation of a conductive shielding system that captures and returns leakage current back to the neutral conductor, preventing the GFCI from tripping and ensuring safe operation of the circuit.
Benefits of technology
The conductive shielding system effectively manages leakage currents, allowing the use of GFCI-protected circuits by maintaining balanced current flow and preventing unnecessary circuit interruptions.
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Smart Images
Figure 2026518031000001_ABST
Abstract
Systems, methods, and apparatus are provided for electrically shielding a heated component, more specifically, in a manner compatible with a circuit protected by a GFCI (Ground Fault Circuit Interrupter). An example is a heated component that is electrically shielded, comprising: a conductor which is a heating element connected between a power line and the neutral line of the circuit from a GFCI; and a shield adjacent to the conductor and connected to the GFCI, the shield receiving a portion of the current from the conductor and returning a portion of the received current to the GFCI.
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