Compression device and a thermodynamic system comprising such a compression device
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United States of America Patent
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Jan 24, 2017
Grant Date -
May 30, 2013
app pub date -
Nov 30, 2012
filing date -
Nov 30, 2011
priority date (Note) -
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Abstract
A compression device includes a first compressor and a second compressor mounted in parallel, each compressor including a leakproof enclosure including a low pressure portion containing a motor and an oil sump, an oil level equalization conduit putting into communication the oil sumps of the first and second compressors, and control means adapted for controlling the starting and the stopping of the first and second compressors. The first compressor includes first detection means coupled with the control means and adapted for detecting an oil level in the oil sump of the first compressor. The control means are adapted for controlling the stopping of the second compressor when the oil level detected by the first detection means falls below a first predetermined value.
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