Method of dynamically balancing ceramic turbine wheels

Details Method of dynamically balancing ceramic turbine wheels Method of dynamically balancing ceramic turbine wheels

1990-12-11

1992-09-29

Robinson, Ellis P.

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428408, 428446, 428698, 428699, 428701, 416241B, 416241R, 415200, B32B 516

Patent

active

051513250

ABSTRACT:
Ceramic turbine wheels are balanced to minimize rotational vibrations by bonding silica-based glass pads to the wheel. The pads are formed from a mixture of sodium silicate, water and a fine ceramic powder, preferably of a composition similar to the underlying ceramic turbine wheel. The weighted pads are machined, without damage to the underlying ceramic wheel, to achieve proper balance.

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