Method and systems for setting an air filter change threshold value in an HVAC system
US8613792B2 · kind B2 · utility
72Cited by
30References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2011 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Jun 19, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A clean air filter may be used to set an air filter change threshold value for an air filter monitor installed in an HVAC system. The air filter change threshold value may be used to determine a status of an air filter (e.g., clean or dirty).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.