Method and apparatus for controlling beats and minimizing pulsation effects in multiple compressor installations
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United States of America Patent
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Feb 1, 2000
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N/A
app pub date -
Dec 7, 1998
filing date -
Dec 7, 1998
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Abstract
In a refrigeration or air conditioning system employing two positive displacement compressors, one compressor has its speed controlled to exactly match the speed of the other compressor whereby beats between pressure pulsations, structural vibrations and radiated sound are minimized.
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