Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic
Patent
1982-07-20
1985-05-21
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Coating, specific composition or characteristic
416244A, 403273, F01D 528, F01D 530
Patent
active
045183155
ABSTRACT:
An arrangement for connecting a ceramic rotor wheel, particularly a turbine rotor wheel of a turbomachine, such as a gas turbine, to a metallic shaft. In order to obtain a primarily temperature-resistant (ceramic wheel-to-metal shaft) connection suitable for high speeds, the arrangement includes a thermal insulation ring seated on the shaft journal of a ceramic rotor wheel, on which there is mounted the tubular end portion of the metallic machine shaft, and which is then positioned on the shaft journal for positive connection through the intermediary of at least one fiber ring which is press-fitted onto the end portion of the shaft.
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Garrett Robert E.
Motoren- und Turbinen-Union Munchen GmbH
Pitko Joseph M.
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