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Axial load management system

Patent ·
OSTI ID:1771501
; ;
An axial load management system for a turbomachine including a rotating drivetrain, a thrust bearing assembly, a sensor, and a valve supply line. The rotating drivetrain includes a compressor section and an expander section fluidly coupled together by a closed flowpath. The thrust bearing assembly includes a thrust runner, a thrust bearing housing, and a gas thrust bearing extending between the thrust runner and the thrust bearing housing. Further, the gas thrust bearing supports the rotating drivetrain. The sensor is attached to at least one of the thrust bearing housing or the gas thrust bearing. The valve supply line is fluidly coupled to the closed flowpath. A valve positioned within the valve supply line selectively allows a working fluid to flow between the closed flowpath and a thrust chamber defined by a rotating surface and a fixed surface to modify an axial load on the rotating drivetrain.
Research Organization:
General Electric Co., Schenectady, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0007109
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
10,801,549
Application Number:
15/993,819
OSTI ID:
1771501
Country of Publication:
United States
Language:
English

References (4)

Supercritical CO2 Brayton cycles for solar-thermal energy journal November 2013
Application of Air Bearings to High-Speed Turbomachinery
  • Barnett, M. A.; Silver, A.
  • Farm, Construction, Industrial Machinery and Powerplant Meetings, SAE Technical Paper Series https://doi.org/10.4271/700720
conference September 1970
Foil Air/Gas Bearing Technology — An Overview conference June 1997
Rotordynamic Performance of Flexure Pivot Hydrostatic Gas Bearings for Oil-Free Turbomachinery journal January 2007

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42 ENGINEERING