Clean out alert for water heaters
US6236321A · kind A · utility
34Cited by
12References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2000 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Oct 25, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H9/0042
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for determining and communicating a need for water heater clean out based on scale deposit buildup is disclosed in which a sensed increase in average reheat time is employed as a measure of deposit buildup and to initiate a clean out alert.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.