Title:
【発明の名称】タービンロータ用釣合いおもり
Document Type and Number:
Japanese Patent JP2672676
Kind Code:
B2
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.
Inventors:
Robert james coursemeyer
Richard William Albrecht, Jr.
Richard William Albrecht, Jr.
Application Number:
JP32075689A
Publication Date:
November 05, 1997
Filing Date:
December 12, 1989
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F01D5/02; F01D5/30; F01D5/10; F16F15/32; (IPC1-7): F01D5/30
Domestic Patent References:
| JP61192597U |
Other References:
【文献】米国特許4648799(US,A)
Attorney, Agent or Firm:
Tokunji Ikunuma