Impeller and shaft assembly for high speed gas compressor
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United States of America Patent
Stats
-
Mar 24, 1981
Grant Date -
N/A
app pub date -
Mar 21, 1979
filing date -
Mar 21, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An impeller and shaft assembly includes an outwardly tapered socket 38 in the rear face of the impeller 12 and into which a frusto-conically shaped extremity 20 seats, the extremity circumferential wall having a plurality of axially extending grooves 42 alternating with intervening lands 44, the socket and extremity being dimensioned and configured so that in the finally seated relation of the parts the land plastically deforms the socket material which has a lower compressive yield strength than the extremity.
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