Coating apparatus – Gas or vapor deposition – Having means to expose a portion of a substrate to coating...
Patent
1995-07-18
1997-05-20
Bueker, Richard
Coating apparatus
Gas or vapor deposition
Having means to expose a portion of a substrate to coating...
118730, 118719, 118721, 118500, 118504, 118505, 20429823, 20429825, 20429826, 20429828, C23C 1600, C23C 1404, C23C 1456
Patent
active
056308795
ABSTRACT:
Structural components (2), such as turbine blades (16) partially to be coated, for example with precious metal coatings, are inserted into a circumferential pocket on a carrier wheel (8), so that surface areas (10, 10A) protruding radially outwardly are presented for a coating operation, for example by vapor deposition, gas diffusion, plasma spraying, or sputtering, while surface portions (9) of the components within the wheel are protected against coating by wheel disks (8A, 8B). The wheel is rotated either continuously or stepwise through an active coating chamber (3). Surfaces to be coated participate in forming first and second walls for enclosing a coating space (11). Other walls of the space (11) are formed by one or two coating sources (12, 13), such as cathode sputterers, whereby the need for screens or masks (4, 14) that form the remaining walls of the space (11) are minimized. The bottom (59) of the space (11) is preferably formed by wall portions (4A) of the turbine blades (16).
REFERENCES:
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patent: 2922721 (1960-01-01), Tarkan
patent: 3097104 (1963-07-01), Free
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patent: 5421979 (1995-06-01), Stevenson
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Eichmann Wolfgang
Hartung Johannes
Helling Karl-Heinz
Pillhoefer Horst
Thoma Martin
Bueker Richard
Fasse W. F.
Fasse W. G.
Lund Jeffrie R.
MTU Motoren - und Turbinen-Union Muenchen GmbH
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