Patent · US Active

Exhaust fans for HVAC system with energy recovery wheel

US11906184B2 · kind B2 · utility

0Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2022
Grant dateFeb 20, 2024
Priority date
Expiry dateAug 24, 2042

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.