Method of dynamically balancing ceramic turbine wheels

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

1989-05-26

1991-09-10

Lawrence, Evan

Coating processes

Nonuniform coating

Deforming the base or coating or removing a portion of the...

427279, 427287, B05D 312, B05D 500

Patent

active

050472640

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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patent: 4429003 (1984-01-01), Fredriksson et al.
patent: 4817455 (1989-04-01), Buxe

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