US 12,012,893 B2
Lubricant reservoir with integrated heat exchanger
Eric S. Durocher, Boucherville (CA); and Gabriel Naccache, Longueuil (CA)
Assigned to Pratt & Whitney Canada Corp., Longueuil (CA)
Filed by Pratt & Whitney Canada Corp., Longueuil (CA)
Filed on Nov. 14, 2022, as Appl. No. 17/986,539.
Prior Publication US 2024/0159186 A1, May 16, 2024
Int. Cl. F02C 7/14 (2006.01); F01M 5/00 (2006.01); F02C 7/06 (2006.01)
CPC F02C 7/06 (2013.01) [F01M 5/002 (2013.01); F02C 7/14 (2013.01); F05D 2220/32 (2013.01); F05D 2260/213 (2013.01); F05D 2260/98 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus for a gas turbine engine, comprising:
a lubricant reservoir comprising an internal cavity for storing lubricant;
a heat exchanger including a heat exchange conduit and a compressed air passage, the heat exchange conduit arranged in the internal cavity, and the compressed air passage extending longitudinally through the heat exchange conduit;
a lubricant circuit fluidly coupled with the internal cavity; and
a compressed air circuit fluidly coupled with the compressed air passage;
wherein the lubricant reservoir includes a reservoir wall and an access panel, the access panel covers a port through the reservoir wall to the internal cavity, and the heat exchanger is connected to the access panel.