THERMODYNAMIC SYSTEM PROVIDED WITH A PLURALITY OF COMPRESSORS
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United States of America Patent
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Issued Date -
Nov 14, 2013
app pub date -
Nov 28, 2011
filing date -
Dec 13, 2010
priority date (Note) -
Abandoned
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Abstract
The thermodynamic system includes a circuit for circulating a refrigerant including a compression device including a first and a second compressors each including a sealed enclosure including a low-pressure portion containing a motor and an oil pan positioned at the bottom of the enclosure, and a refrigerant intake opening leading into the low-pressure portion, a refrigerant dispensing device arranged to connect an evaporator to the intake opening of the first compressor, an oil level equalization conduit putting the oil pans of the first and second compressors in communication, a connecting device putting the low-pressure portion of the first compressor in communication with the intake opening of the second compressor, and control means arranged to control the starting and stopping of the first and second compressors according to four control modes.
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