Samsung patents air system that balances pressure using dust and CO2 sensors
Samsung describes a method for controlling indoor air pressure in an air conditioning or ventilation system. It works by measuring indoor carbon dioxide and fine dust levels, then adjusting the speed of supply and exhaust fans to keep the room's pressure within a specific range.
In the filing’s own words
A method comprising detecting an indoor carbon dioxide level; detecting an outdoor fine dust level; driving an air supply fan and an exhaust fan such that an air supply amount of the air supply fan is greater than an exhaust amount of the exhaust fan based on detected indoor carbon dioxide level and outdoor fine dust level; and performing a first indoor pressure control of detecting an indoor pressure and controlling the air supply fan and the exhaust fan. In the indoor pressure control, based on the detected indoor pressure being less than a first set value, a number of revolutions per minute of the exhaust fan is controlled to be decreased, and based on the detected indoor pressure is greater than or equal to a second set value greater than the first set value, the number of revolutions per minute of the exhaust fan is controlled to be increased.
What exactly they claim (claim 1)
1. A method of controlling an indoor pressure, the method comprising: based on a kitchen ventilation fan in the kitchen and an air supply fan being driven, detecting an indoor fine dust level and the indoor pressure; and based on the indoor fine dust level and the indoor pressure, controlling at least one of the air supply fan and an exhaust fan.
Facts
- Company
- Samsung (SAMSUNG ELECTRONICS CO., LTD.)
- Official title
- AIR CONDITIONING APPARATUS AND METHOD OF CONTROLLING INDOOR PRESSURE USING SAME
- Publication number
- US20260318559A1
- Application number
- 19467094
- Filed
- Feb 2, 2026
- Published
- Oct 15, 2026
- Inventors
- 7
- Claims
- 10
Classified under
F24F 11/77 Mechanical engineeringF24F 7/013 Mechanical engineeringF24F 11/0001 Mechanical engineeringF24F 11/64 Mechanical engineeringF24F 2110/40 Mechanical engineeringF24F 2110/52 Mechanical engineeringMore from Samsung in Chips & hardware
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.