Caterpillar Inc.

Greg A Schumacher

Scott G Sinn

David L Dickrell

Michael R Verheyen

Gregory S Gauger

Brian T Rolli

Richard D Rathe

Ronald J Mearek

Robert W Keene

Thomas R Sandborg

Prasad V Parupalli

A system is disclosed for sensing, recording, and selectively displaying data associated with operational characteristics of a vehicle and associated engine. The system includes a plurality of transducers delivering signals corresponding to such operational characteristics to a programmable logic device. These signals are converted to appropriate information signals which are stored in an associated storage device and can be selectively displayed on a suitable display device.

Data recording and display system

The system is provided for controllably monitoring data associated with operational characteristics of an engine. The system determines a maintenance activity requirement based on such characteristics. The system includes a plurality of transducers associated with the engine and connected to a programmable logic device. Signals from the transducers are continuously monitored and stored in an associated storage device. In response to predetermined sets of operational characteristics, an indication of when maintenance is due on the engine is produced by the logic device.

Maintenance monitor system

A system for controllably sensing, recording, and selectively displaying data associated with operational characteristics of a vehicle is described. A plurality of transducers are connected to a programmable logic device along with data entry, data storage, and data display devices. Information received from the transducers is processed by the logic device to determine whether a certain operational characteristic has occurred during the time that certain other characteristics are present. In addition, the amount of time that the particular characteristic occurs is determined.

Data exception reporting system

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Washington, IL, United States of America

Greg A Schumacher