Water heater
The water heater system addresses the challenge of determining the correct gas and adjustment part combination by using a control device and multiple test modes, ensuring accurate operation and error detection.
US20250198656A1Pending Publication Date: 2025-06-19NORITZ CORP
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Patent Information
- Application Number
- US18/969193
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Priority Date
- 2023-12-14
- Filing Date
- 2024-12-04
- Publication Date
- 2025-06-19
AI Technical Summary
Technical Problem
Existing water heaters struggle to accurately determine whether a combination of gas and adjustment part is correct, as different gases have varying calorific values, leading to potential errors in operation.
Method used
A water heater system that includes a venturi, an adjustment part, a fan, a burner, an ignition part, a sensor, and a control device, which operates in multiple test modes to determine the correctness of the gas and adjustment part combination by adjusting fan rotation speed and monitoring ignition timing.
Benefits of technology
The system effectively determines the correctness of the gas and adjustment part combination, ensuring proper operation of the water heater by accurately identifying errors in gas type and adjustment part usage.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure US20250198656A1-D00000_ABST
Abstract
Processing executed by a water heater includes: performing a first ignition operation in a first test operation mode; in the case where ignition is detected, determining a combination of gas and an adjustment part to be abnormal; performing a second ignition operation in a second test operation mode; in the case where ignition is detected, determining a combination of gas and an adjustment part to be normal; and, in the case where no ignition is detected, determining a combination of gas and an adjustment part to be abnormal.
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