US 12,442,313 B2
Additive manufactured bearing cap for temperature reduction on bearing cap wetted wall
Jorge Hernandez, Long Beach, CA (US); Makarand A Sovani, San Diego, CA (US); Warner Tse, Culver City, CA (US); and Geoffrey A Potts, Lakeside, CA (US)
Assigned to Solar Turbines Incorporated, San Diego, CA (US)
Filed by Solar Turbines Incorporated, San Diego, CA (US)
Filed on Aug. 24, 2023, as Appl. No. 18/237,780.
Prior Publication US 2025/0067197 A1, Feb. 27, 2025
Int. Cl. F01D 25/16 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); F01D 25/12 (2006.01); F16C 33/66 (2006.01)
CPC F01D 25/16 (2013.01) [B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F01D 25/125 (2013.01); F16C 33/667 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A bearing cap for a gas turbine engine, the bearing cap comprising:
a first surface on a first side, wherein the first surface is annular around a longitudinal axis;
a second surface on a second side that is opposite and downstream from the first side, wherein the second surface is annular around the longitudinal axis;
one or more air insulation cavities between the first surface and the second surface, wherein each of the one or more air insulation cavities is annular around the longitudinal axis; and
an annular mixed air cavity upstream from the one or more air insulation cavities.