Runner with mechanical coupling
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United States of America Patent
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-
Apr 10, 1990
Grant Date -
N/A
app pub date -
May 5, 1989
filing date -
May 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A runner is provided which consists of a radial turbine ceramic rotor with an integrated ceramic shaft and a non-ceramic compressor impeller which are connected by a releasable, thermally and mechanically loadable mechanical coupling in such a way that the releasable mechanical coupling is located with the compressor impeller. This coupling consists of a cylindrical slotted sleeve which, on the one hand, is fitted into a cylindrical fitting bore in the compressor impeller and, on the other hand, accepts the end of the ceramic shaft in a fitting bore. In addition, the coupling has a tie rod with a screw thread and a pair of conical clamping elements between the cylindrical sleeve and the compressor impeller.
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