RECIPROCATING COMPRESSOR WITH VAPOR INJECTION SYSTEM
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 18, 2013
filing date -
Dec 18, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A compressor assembly is provided and may include a compression cylinder and a compression piston disposed within the compression cylinder that compresses a vapor disposed within the compression cylinder from a suction pressure to a discharge pressure. The compressor assembly may additionally include a crankshaft that cycles the compression piston within the compression cylinder and an injection port in fluid communication with the compression cylinder that selectively communicates intermediate-pressure vapor at a pressure between the suction pressure vapor and the discharge pressure vapor to the compression cylinder. The injection port may communicate the intermediate-pressure vapor to the compression cylinder when the compression piston exposes the injection port and may be prevented from communicating the intermediate-pressure vapor to the compression cylinder when the compression piston blocks the injection port.
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