Boltless balance weight for turbine rotors

Details Boltless balance weight for turbine rotors Boltless balance weight for turbine rotors

1989-04-17

1991-05-28

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

416220R, F01D 2506

Patent

active

050189433

ABSTRACT:
A balance weight for the rotor of a gas turbine engine is adapted to mount within the cavity formed between the innermost surface of the dovetail slots formed in the circumference of the rotor disk and the bottom of the dovetail root of the rotor blades inserted within the dovetail slots. The balance weight has a head portion formed with a bottom surface which mates with the innermost surface of the dovetail slots, and a lip connected to the head portion which engages the aft surface of the rotor disk. The balance weight is supported in an aft direction within the dovetail slots by an aft blade retainer having a shoulder or projection which contacts the balance weight.

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