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Class of over-constrained two-rotation parallel mechanism with same kinematics |
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Pulse width modulation interleaving |
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Pulse width modulation upshift at partial load to improve total harmonic cancellation performance for chiller applications |
Bassel Al-Annouf |
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Method for soft expulsion of a fluid from a compressor at start-up |
Richard T. Pandzik, William Perdikakis, Mark Edward Rollins |
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Systems and methods for space vector pulse width modulation switching using boot-strap charging circuits |
William Perdikakis, Thomas Gietzold |
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Method and apparatus for improved, high-pressure, fluid pump |
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2014-09-23 |
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Apparatus and method for measuring the liquid level of molten metal |
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Flexible spray nozzle for high pressure washers |
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Flexible spray nozzle for high pressure washers |
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2012-08-21 |
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Apparatus and method for measuring the surface temperature of continuous casting billet/slab |
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2012-01-31 |