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Search Results - paul allaire

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Gas Expanded Lubricants
Executive SummaryThis invention provides a method for lubricating bearings during operation in which mixtures of lubricant and high-pressure gas are supplied inside a reinforced casing. The gas serves to control the viscosity and thermal conductivity of the lubricant such that bearing characteristics, such as power loss, can be minimized as loading...
Published: 3/7/2012   |   Inventor(s): Andres Clarens, Paul Allaire, Amir Younan, Shibo Wang
Keywords(s):  
Category(s): Mechanical & Environmental
Self-Sensing Integrated System for Determining the Position of a Shaft in a Magnetic Bearing
Magnetic bearings levitate a rotating object (typically a rotor) with a magnetic field and are unstable in open-loop operation. Position feedback control is required to maintain the rotor in a centered position. Typically, a separate position sensor is used to directly measure the rotor's position for use in this feedback loop. Self-sensing magneti...
Published: 3/7/2012   |   Inventor(s): Paul Allaire, Wei Jiang
Keywords(s):  
Category(s): Mechanical & Environmental
Hybrid 5-Axis Magnetic Bearing System
BackgroundMagnetic bearings are commonly used in many rotating machines, such as pumps, compressors and turbines. In such machines, a five-axis, active magnetic bearing configuration is frequently employed; this configuration must maintain power to electromagnets for each of the five axes. In this arrangement, one axial active magnetic thrust beari...
Published: 3/7/2012   |   Inventor(s): Paul Allaire, Wei Jiang
Keywords(s):  
Category(s): Mechanical & Environmental
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