US 12,392,374 B2
Methods and apparatus for thermal management of sumps using oleophilic and oleophobic coatings
Arman Mohammad Khan, Bengaluru (IN); Souvik Math, Bengaluru (IN); Ravindra Shankar Ganiger, Bengaluru (IN); Arundhati Sengupta, Bengaluru (IN); Santosh Prasad, Bengaluru (IN); and Duane H Anstead, Evendale, OH (US)
Assigned to GENERAL ELECTRIC COMPANY, Evendale, OH (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on May 31, 2024, as Appl. No. 18/680,506.
Application 18/680,506 is a continuation of application No. 18/305,139, filed on Apr. 21, 2023, granted, now 12,018,722.
Prior Publication US 2024/0352974 A1, Oct. 24, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F16C 33/66 (2006.01); F01M 11/00 (2006.01); F02C 7/06 (2006.01)
CPC F16C 33/6685 (2013.01) [F01M 11/0004 (2013.01); F02C 7/06 (2013.01); F01M 2011/0091 (2013.01); F16C 2360/23 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method to reduce heat load in a gas turbine engine, the method comprising:
applying an oleophobic coating to an internal wall of a sump, the sump located in proximity to a heat generating element of the gas turbine engine; and
applying an oleophilic coating to the heat generating element of the gas turbine engine.