Modular performance indicator for a humidifier
US6523810B2 · kind B2 · utility
30Cited by
17References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Oct 2, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/65
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A humidifier includes a modular performance indicator that is removably attached to a grill of the humidifier air outlet. The performance indicator generally includes at least one humidity sensing means and a display. The humidity sensing means is positioned within the airflow for measuring the exit-relative humidity of the airflow and the display is coupled to the humidity sensing means for indicating when the humidifier wick requires replacement and/or the humidifier water supply requires refilling based upon the measured exit-relative humidity reaching a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.