SYSTEMS AND METHODS FOR AIR TEMPERATURE CONTROL INCLUDING R-454B SENSORS

MX434973BActive Publication Date: 2026-06-12GOODMAN MFG CO LP
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Patent Information

Application Number
MX2023008797
Authority / Receiving Office
MX · MX
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-02-01
Filing Date
2023-07-26
Publication Date
2026-06-12
Estimated Expiration
2042-01-31

AI Technical Summary

Technical Problem

HVAC systems using A2L refrigerants like R-454b face challenges in detecting leaks and meeting safety requirements within the required time, as current systems are unable to effectively implement safety measures upon detection of a leak.

Method used

The implementation of an R-454b refrigerant detection system utilizing an R-454b control board and two R-454b sensors, which are electrically coupled in series and perform self-diagnostic tests to ensure correct functioning, allowing for rapid shutdown of non-essential system components upon leak detection.

Benefits of technology

The system effectively detects R-454b leaks and ensures the HVAC system meets safety standards by promptly shutting down non-essential components, reducing environmental impact while maintaining operational safety.

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Abstract

The present invention provides a system for detecting a quantity of A2L refrigerant in an air temperature controller using A2L refrigerant, and a method for installing an A2L sensor configuration in the air temperature controller using A2L refrigerant. The system includes an A2L control board, a first A2L sensor, and a second A2L sensor. The first A2L sensor and the second A2L sensor are connected in series and electrically coupled to the A2L control board. Each of the first A2L sensor and the second A2L sensor includes sensing components configured to detect the quantity of A2L refrigerant.
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