Honeywell International Inc.

Shawn Barber

David Buck

A cabin pressure control system comprising an automatic motor controller (AMC); and a manual motor controller (MMC) that comprises a motor configured to regulate cabin pressure; a cabin pressure sensor configured to determine a first set of cabin pressure data; a differential pressure sensor comprising first and second ports, the first port configured to obtain a second set of cabin pressure data and the second port configured to obtain a first set of ambient pressure data; processing circuitry coupled to the cabin pressure sensor and to the differential pressure sensor, the processing circuitry configured to receive the first set of cabin pressure data; determine a first set of differential pressure data, the first set of differential pressure data relating the second set of cabin pressure data with the first set of ambient pressure data; disable the AMC; and control the motor to regulate the cabin pressure.

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Tucson, AZ, United States of America

Shawn Barber