Mechanical damping of turbine wheel blades

Details Mechanical damping of turbine wheel blades Mechanical damping of turbine wheel blades

1987-12-02

1988-10-11

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

Self-shifting or selectively adjustable mass

416500, 416144, F01D 510

Patent

active

047767634

ABSTRACT:
The selection of the mass of a mechanical damper 20 for a blade 12 in a turbine wheel 10, 12 independent of the size of a damper receiving opening 22 is achieved by making the damper 20, 40, 50, 60, partially hollow (FIG. 4) or completely hollow (FIGS. 5-7, inclusive).

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