Computer Information Systems and Engineering Technology



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Andrew Brierley and Carson Harris, ENT 422: Machine Design II
Faculty Mentor: Professor Jikai Du, Engineering Technology

F.S. Elliott is a global leader in the engineering and manufacturing of centrifugal compressors with operations in over 90 countries. An air compressor efficiently converts energy, utilizing a series of stages to compress and cool the air as it continuously flows through the unit. The company’s P300+ centrifugal compressor is capable of pressurizing air to 150 psig (pounds per square inch gauge). In order to produce such high pressure, the impeller needs to spin at a high RPM (revolutions per minute). This rotation can generate high internal temperatures in the compressor’s gearbox. As a result, a lubrication loop is necessary to supply oil into the gearbox to cool the internal components. The current lubrication loop utilizes individual components such as filters, a heat exchanger, and various check and pressure relief valves connected in-line with tubing. In an effort to simplify the system and to make installation both easier and faster, this project’s goal was to design a new modular lubrication system which would not only meet all of the same requirements as the current system, but also need fewer workers and less time to install the system on the compressor. Replacement of a new modular lubrication system should be also easier and cheaper.

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Computer Sciences | Engineering

Modular Lubrication System for Industrial Air Compressors
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