US 11,994,165 B2
Lubricant supply system
Charles S. Orkiszewski, Cincinnati, OH (US); and Weize Kang, Mason, OH (US)
Assigned to GENERAL ELECTRIC COMPANY, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Mar. 1, 2022, as Appl. No. 17/653,027.
Prior Publication US 2023/0279902 A1, Sep. 7, 2023
Int. Cl. F01D 25/16 (2006.01); F16C 27/02 (2006.01); F16C 27/04 (2006.01); F16F 15/023 (2006.01); F16N 7/40 (2006.01); F16N 31/00 (2006.01)
CPC F16C 27/045 (2013.01) [F01D 25/164 (2013.01); F16C 27/02 (2013.01); F16F 15/0237 (2013.01); F16N 7/40 (2013.01); F16N 31/00 (2013.01); F05D 2220/32 (2013.01); F05D 2240/50 (2013.01); F16F 2230/04 (2013.01); F16F 2230/24 (2013.01); F16F 2232/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lubricant supply system for a squeeze film damper, the lubricant supply system comprising:
a fluid passage configured to supply a lubricant to the squeeze film damper of a bearing assembly, the fluid passage having:
a first flow path for lubricant into the lubricant supply system and into the squeeze film damper of the bearing assembly; and
a second flow path for lubricant into the squeeze film damper of the bearing assembly; and
a valve assembly configured to allow the fluid passage to move from the first flow path to the second flow path in response to an interruption of the first flow path,
wherein the lubricant supply system is provided within a damper housing or within a housing fluidly coupled to the damper housing.