Exhaust fans for HVAC system with energy recovery wheel
US11428428B2 · kind B2 · utility
1Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2019 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Aug 16, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/56
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heating, ventilation, and/or air conditioning (HVAC) unit includes an energy recovery wheel, a first exhaust fan configured to draw a first air flow across the energy recovery wheel and discharge the first air flow from the HVAC unit, a second exhaust fan configured to draw a second air flow across the energy recovery wheel and discharge the second air flow from the HVAC unit, and a controller configured to operate the first exhaust fan and the second exhaust fan in an economizer mode and configured to operate the first exhaust fan and suspend operation of the second exhaust fan in an energy recovery mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.