Patent ID: 11913655
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: Chemical engineering (Chemistry)
Classification: CPC F  B  G  Y | IPC F  G

Claim 8:
9. The controller of claim 8, wherein:
receiving the first set of sensor data of the one or more characteristics of the first fluid within the air duct comprises measuring at least one of a carbon dioxide, nitrous oxide, particulate matter, or ozone levels of the first fluid;
receiving the second set of sensor data of the one or more characteristics of the second fluid after the second fluid has been filtered comprises measuring at least one of a carbon dioxide, nitrous oxide, particulate matter, or ozone levels of the second fluid; and
the first set of sensor data of the one or more characteristics of the first fluid is received by a first set of sensors and the second set of sensor data of the one or more characteristics of the second fluid is received by a second set of sensors.