Hydraulically driven reciprocating compressor having a free-floating diaphragm
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United States of America Patent
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-
Dec 15, 1992
Issued Date -
N/A
app pub date -
Jan 7, 1991
filing date -
Nov 14, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compressor with a flexible diaphragm used as the pumping element such as for Stirling coolers or pulse-tube refrigerators, said compressor further including a sensor to monitor the position of the diaphragm and a control circuit for maintaining the diaphragm position in a preselected range to avoid contact between the diaphragm and the rest of the compressor. The compressor also includes an expansion member for compensating for the thermal expansion of the working fluid of the compressor.
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