Rotary compressor with clearance volumes to offset pulsations
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United States of America Patent
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-
Dec 5, 1989
Grant Date -
N/A
app pub date -
Dec 31, 1987
filing date -
Jan 20, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary compressor includes a top clearance volume formed between a cylinder chamber and at least one delivery valve. Another top clearance volume, in communication with the cylinder chamber, produces a reverse flow of compressed fluid which generates pulsations adapted to offset a high frequency component of pulsations generated in the cylinder chamber by compressed fluid reversely flowing from the first top clearance volume to the cylinder chamber. Thereby the high frequency component of pulsations generated in the cylinder chamber is eliminated, and a low-noise rotary compressor is provided.
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