Water heater performance monitoring system

Details Water heater performance monitoring system Water heater performance monitoring system

2007-01-23

2007-01-23

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C702S136000, C122S014220, C122S504200, C340S589000

Reexamination Certificate

active

11048023

ABSTRACT:
A water heater performance monitoring device for monitoring whether a water heater is functioning optimally or whether it requires service. The device uses maximum heating rates taken from a plurality of measured heating rates to determine if the performance of the water heater has degraded from a threshold performance level. A water heater performance monitoring device can reduce the number of false alarms that occur regarding the need for water heater service by filtering out temporary factors, lasting less than a time cycle, which affect heating rate of water in the water heater. This can save users time and money by reducing unnecessary water heater inspections.

REFERENCES:
patent: 5684717 (1997-11-01), Beilfuss et al.
patent: 6236321 (2001-05-01), Troost, IV
patent: 6265699 (2001-07-01), Scott
patent: 6308009 (2001-10-01), Shellenberger et al.

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