公开(公告)号：US12281999B2

公开(公告)日：2025-04-22

申请号：US17129049

申请日：2020-12-21

Applicant: Rosemount Inc.

Inventor： Pavel Shuk ,  Chad M. McGuire ,  Matthew Theisen ,  Philip Ostby

IPC: G01N27/416 ,  G01N27/407

Abstract: An improved oxygen analyzer includes a controller configured to receive an oxygen sensor signal and provide an oxygen concentration output. A probe is configured to extend into a source of combustion process gas. An oxygen sensor is disposed within the probe and has a sensing electrode mounted to one side of a solid electrolyte and a reference electrode mounted to an opposite side of the solid electrolyte. The oxygen sensor has catalytic beads that are configured to be disposed between the process gas and the sensing electrode. Measurement circuitry is operably coupled to the oxygen sensor and the controller and is configured to provide the controller with the oxygen sensor signal based on an electrical response of the oxygen sensor. The controller is configured to detect a behavior of the oxygen sensor concentration output over time to provide at least one ancillary output.

公开(公告)号：US20210148853A1

公开(公告)日：2021-05-20

申请号：US17129049

申请日：2020-12-21

Applicant: Rosemount Inc.

Inventor： Pavel Shuk ,  Chad M. McGuire ,  Matthew Theisen ,  Philip Ostby

IPC: G01N27/416 ,  G01N27/407

Abstract: An improved oxygen analyzer includes a controller configured to receive an oxygen sensor signal and provide an oxygen concentration output. A probe is configured to extend into a source of combustion process gas. An oxygen sensor is disposed within the probe and has a sensing electrode mounted to one side of a solid electrolyte and a reference electrode mounted to an opposite side of the solid electrolyte. The oxygen sensor has catalytic beads that are configured to be disposed between the process gas and the sensing electrode. Measurement circuitry is operably coupled to the oxygen sensor and the controller and is configured to provide the controller with the oxygen sensor signal based on an electrical response of the oxygen sensor. The controller is configured to detect a behavior of the oxygen sensor concentration output over time to provide at least one ancillary output.