Sound abatement in rotary compressors
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United States of America Patent
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-
Sep 21, 1993
Grant Date -
N/A
app pub date -
Dec 10, 1992
filing date -
Dec 10, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The crankcase or cylinder body of a rotary compressor is secured in a shell by a shrink fit thereby providing intimate contact over its entire circumference. To maintain the proper positioning of the crankcase during the shrink fitting process, the outer surface of the crankcase defines a portion of a sphere, specifically the equatorial portion. As a result the spherical surface provides a stable contact surface over a range of positions of the crankcase and the intimate contact changes the frequencies of response of the shell.
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