System and method for controlling an ultraviolet air treatment device for return air duct applications
US6849234B2 · kind B2 · utility
8Cited by
16References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Feb 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S422/90
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system and method for controlling operation of an ultraviolet air treatment device including an ultraviolet lamp positioned to treat air within an air handling system that operates in either an on state or an off state. The method includes activating the ultraviolet lamp, and determining the operational state of the air handling system. The ultraviolet lamp is deactivated upon expiration of a predetermined time period during which the air handling system remains in the off state. The predetermined time period is preferably 30-60 minutes, preferably 40 minutes for residential applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.