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US 2003/0199244 A1Published application
Air quality control system based on occupancy
AssigneeHoneywell International Inc.
InventorsLokesh T. Siddaramanna, Arjuna Rao Chavala
Life of this patent
Estimating the term…
Abstract
Air quality within a building is controlled by maintaining a count of people in the building and by ventilating the building with an amount of air dependent on the count. The count may be determined in accordance with an access control system and/or entry and exit sensors, such as infrared sensors.
Claims32
A method of controlling air quality comprising:
- maintaining a count of people in an area to be ventilated;
- and,
- ventilating the area with an amount of air dependent on the count.
A method of controlling air quality comprising:
- maintaining a first count of people in a first space to be ventilated;
- maintaining a second count of people in a second space to be ventilated, wherein the first and second spaces are within the same building, and wherein the first and second counts are separate counts;
- ventilating the first space with an amount of air dependent on the first count;
- and,
- ventilating the second space with an amount of air dependent on the second count.
2 more elements
A method of controlling air quality comprising:
- maintaining a first count of people in a first space to be ventilated;
- maintaining a second count of people in a second space to be ventilated, wherein the first and second spaces are within the same building, and wherein the first and second counts are separate counts;
- controlling a first damper to supply fresh air to the first space dependent on the first count;
- and,
- controlling a second damper to supply fresh air to the second space dependent on the second count.
2 more elements
Dependencies are inferred from the claim text.