HVAC systems with evaporator bypass and supply air recirculation and methods of using same
US-11859849-B2 · Jan 2, 2024 · US
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with temperature control at constant rate of air-flow
with temperature control at constant rate of air-flow · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F3/048 |
| Official title | with temperature control at constant rate of air-flow |
| Display label | with temperature control at constant rate of air-flow |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control system and method for controlling a fluid distribution system
US-11630469-B2 · Apr 18, 2023 · US
Hvac systems with evaporator bypass and supply air recirculation and methods of using same
US-2023063742-A1 · Mar 2, 2023 · US
Air conditioner
US-11555619-B2 · Jan 17, 2023 · US
HVAC systems with evaporator bypass and supply air recirculation and methods of using same
US-11549714-B2 · Jan 10, 2023 · US
Hvac systems with evaporator bypass and supply air recirculation and methods of using same
US-2021140673-A1 · May 13, 2021 · US
HVAC systems with evaporator bypass and supply air recirculation and methods of using same
US-10941958-B2 · Mar 9, 2021 · US
Control system and method for controlling a fluid distribution system
US-2020340689-A1 · Oct 29, 2020 · US
Control and optimization of indirect evaporative cooling units for data center cooling
US-10820452-B2 · Oct 27, 2020 · US
Hvac systems with evaporator bypass and supply air recirculation and methods of using same
US-2020300497-A1 · Sep 24, 2020 · US
Control and optimization of indirect evaporative cooling units for data center cooling
US-2020015389-A1 · Jan 9, 2020 · US
Air conditioner
US-2019390861-A1 · Dec 26, 2019 · US
Systems and methods for detecting airflow in heating, ventilation, and air conditioning units
US-2019286173-A1 · Sep 19, 2019 · US
Control of a conditioned air supply system
US-9995496-B2 · Jun 12, 2018 · US
Method for controlling constant air volume of ECM motor in HVAC system
US-9835350-B2 · Dec 5, 2017 · US
Supply air system
US-2017176037-A1 · Jun 22, 2017 · US
Method for controlling constant air volume of ecm motor in hvac system
US-2016116180-A1 · Apr 28, 2016 · US