US 11,655,731 B2
Oil distribution system for gas turbine engine
Pierre-Yves Legare, Chambly (CA); Sylvain Brouillet, St-Basile-le-Grand (CA); Daniel Alecu, Brampton (CA); Sam Cutrara, Caledon East (CA); and Rose Beaulieu, Verdun (CA)
Assigned to PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed by PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed on Feb. 14, 2020, as Appl. No. 16/791,375.
Prior Publication US 2021/0254506 A1, Aug. 19, 2021
Int. Cl. F01D 25/20 (2006.01); F01M 1/02 (2006.01); F01M 1/10 (2006.01); F01M 11/00 (2006.01); F16H 57/04 (2010.01)
CPC F01D 25/20 (2013.01) [F01M 1/02 (2013.01); F01M 1/10 (2013.01); F01M 11/0004 (2013.01); F16H 57/0402 (2013.01); F16H 57/0436 (2013.01); F16H 57/0452 (2013.01); F16H 57/0457 (2013.01); F01M 2001/105 (2013.01); F01M 2001/1035 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An oil supply system for supplying oil to a lubricating cavity of a gas turbine engine from a source of oil, the oil supply system comprising: a de-oiler having a de-oiler air-oil inlet, a de-oiler oil outlet hydraulically connected to the lubricating cavity, and a de-oiler air outlet in fluid flow communication with an environment outside of the oil supply system; and a closed-loop oil circuit including a main pump having a main pump inlet and a main pump outlet, the main pump outlet hydraulically connected to the lubricating cavity, a de-aerator having a de-aerator inlet hydraulically connected to a scavenge outlet of the lubricating cavity, a de-aerator air-oil outlet in fluid flow communication with the de-oiler inlet, and a de-aerator oil outlet hydraulically connected to the main pump inlet, the de-aerator oil outlet being hydraulically connected to the lubricating cavity via the main pump and bypasses the source of oil.