Gimbal geometry
By using the traction features and protrusion design of the annular body and balance ring in the aircraft engine rotor assembly, the balance problem of the rotor assembly in a limited space is solved, thereby limiting rotational vibration and saving radial space.
CN113757308BActive Publication Date: 2026-05-26PRATT & WHITNEY CANADA CORP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- PRATT & WHITNEY CANADA CORP
- Filing Date
- 2021-05-20
- Publication Date
- 2026-05-26
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Figure CN113757308B_ABST
Abstract
This disclosure relates to the geometry of a balance ring. A ring-shaped component assembly for mounting to a shaft of an aircraft engine is provided. The assembly includes a first annular body having a surface defining a plurality of pull features extending from the remainder of the surface and circumferentially spaced apart. The assembly includes a second annular body defining a balance ring concentric with the first annular body, the balance ring having a plurality of protrusions and circumferential spaces between adjacent protrusions, the circumferential spaces accommodating the pull features such that the pull features of the first annular body are clamped to the protrusions.
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Citation Information
Patent Citations
Rotor balancing system for turbomachinery
US20020134191A1
Device for rotationally locking a clamping nut for a component on a shaft, clamping nut and shaft comprising it, and aircraft engine equipped therewith
US20060291953A1
Gas turbine engine balancing
US20110081253A1